2013-05-20 12:07:03 +00:00
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################################################################################
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## Raspberry Pi Configuration Settings
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##
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## Revision 14, 2012/10/22
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##
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## Details taken from the eLinux wiki
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## For up-to-date information please refer to wiki page.
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##
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## Wiki Location : http://elinux.org/RPi_config.txt
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##
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##
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## Description:
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## Details of each setting are described with each section that begins with
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## a double hashed comment ('##')
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## It is up to the user to remove the single hashed comment ('#') from each
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## option they want to enable, and to set the specific value of that option.
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##
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## WARNING: Setting the following combination of parameters will set a
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## permanent bit within the SOC and your warranty is void.
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## over_voltage>0, and at least one of the following:
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## force_turbo=1
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## current_limit_override=0x5A000020
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## temp_limit>85
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##
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## Overclock settings will be disabled at runtime if the SoC reaches temp_limit
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##
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################################################################################
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################################################################################
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## Standard Definition Video Settings
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################################################################################
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## sdtv_mode
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## defines the TV standard for composite output
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Normal NTSC (Default)
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## 1 Japanese version of NTSC - no pedestal
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## 2 Normal PAL
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## 3 Brazilian version of PAL - 525/60 rather than 625/50, different
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## subcarrier
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##
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#sdtv_mode=0
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## sdtv_aspect
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## defines the aspect ratio for composite output
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 1 4:3 (Default)
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## 2 14:9
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## 3 16:9
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##
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#sdtv_aspect=1
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## sdtv_disable_colourburst
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## Disables colour burst on composite output. The picture will be
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## monochrome, but possibly sharper
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Colour burst is enabled (Default)
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## 1 Colour burst is disabled
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##
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#sdtv_disable_colourburst=1
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################################################################################
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## High Definition Video Settings
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################################################################################
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## hdmi_safe
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## Use "safe mode" settings to try to boot with maximum hdmi compatibility.
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Disabled (Default)
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## 1 Enabled (this does: hdmi_force_hotplug=1, config_hdmi_boost=4,
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## hdmi_group=1, hdmi_mode=1,
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## disable_overscan=0)
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##
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#hdmi_safe=1
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## hdmi_force_hotplug
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## Pretends HDMI hotplug signal is asserted so it appears a HDMI display
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## is attached
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Disabled (Default)
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## 1 Use HDMI mode even if no HDMI monitor is detected
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##
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#hdmi_force_hotplug=1
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## hdmi_ignore_hotplug
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## Pretends HDMI hotplug signal is not asserted so it appears a HDMI
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## display is not attached
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Disabled (Default)
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## 1 Use composite mode even if HDMI monitor is detected
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##
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#hdmi_ignore_hotplug=1
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## hdmi_drive
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## chooses between HDMI and DVI modes
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 1 Normal DVI mode (No sound)
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## 2 Normal HDMI mode (Sound will be sent if supported and enabled)
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##
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#hdmi_drive=2
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## hdmi_ignore_edid
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## Enables the ignoring of EDID/display data
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##
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#hdmi_ignore_edid=0xa5000080
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## hdmi_edid_file
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## Read the EDID data from the edid.dat file instead of from the attached
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## device
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Read EDID data from attached device (Default)
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## 1 Read EDID data from edid.txt file
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##
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#hdmi_edid_file=1
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## hdmi_force_edid_audio
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## Pretends all audio formats are supported by display, allowing
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## passthrough of DTS/AC3 even when not reported as supported.
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Use EDID provided values (Default)
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## 1 Pretend all audio formats are supported
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##
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#hdmi_force_edid_audio=1
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## avoid_edid_fuzzy_match
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## Avoid fuzzy matching of modes described in edid.
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Use fuzzy matching (Default)
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## 1 Avoid fuzzy matching
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##
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#avoid_edid_fuzzy_match=1
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## hdmi_group
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## Defines the HDMI type
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Use the preferred group reported by the edid (Default)
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## 1 CEA
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## 2 DMT
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##
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#hdmi_group=1
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## hdmi_mode
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## defines screen resolution in CEA or DMT format
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##
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## H means 16:9 variant (of a normally 4:3 mode).
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## 2x means pixel doubled (i.e. higher clock rate, with each pixel repeated
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## twice)
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## 4x means pixel quadrupled (i.e. higher clock rate, with each pixel
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## repeated four times)
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## reduced blanking means fewer bytes are used for blanking within the data
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## stream (i.e. lower clock rate, with fewer wasted bytes)
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##
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## Value hdmi_group=CEA hdmi_group=DMT
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## -------------------------------------------------------------------------
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## 1 VGA 640x350 85Hz
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## 2 480p 60Hz 640x400 85Hz
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## 3 480p 60Hz H 720x400 85Hz
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## 4 720p 60Hz 640x480 60Hz
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## 5 1080i 60Hz 640x480 72Hz
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## 6 480i 60Hz 640x480 75Hz
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## 7 480i 60Hz H 640x480 85Hz
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## 8 240p 60Hz 800x600 56Hz
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## 9 240p 60Hz H 800x600 60Hz
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## 10 480i 60Hz 4x 800x600 72Hz
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## 11 480i 60Hz 4x H 800x600 75Hz
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## 12 240p 60Hz 4x 800x600 85Hz
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## 13 240p 60Hz 4x H 800x600 120Hz
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## 14 480p 60Hz 2x 848x480 60Hz
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## 15 480p 60Hz 2x H 1024x768 43Hz DO NOT USE
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## 16 1080p 60Hz 1024x768 60Hz
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## 17 576p 50Hz 1024x768 70Hz
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## 18 576p 50Hz H 1024x768 75Hz
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## 19 720p 50Hz 1024x768 85Hz
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## 20 1080i 50Hz 1024x768 120Hz
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## 21 576i 50Hz 1152x864 75Hz
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## 22 576i 50Hz H 1280x768 reduced blanking
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## 23 288p 50Hz 1280x768 60Hz
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## 24 288p 50Hz H 1280x768 75Hz
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## 25 576i 50Hz 4x 1280x768 85Hz
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## 26 576i 50Hz 4x H 1280x768 120Hz reduced blanking
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## 27 288p 50Hz 4x 1280x800 reduced blanking
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## 28 288p 50Hz 4x H 1280x800 60Hz
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## 29 576p 50Hz 2x 1280x800 75Hz
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## 30 576p 50Hz 2x H 1280x800 85Hz
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## 31 1080p 50Hz 1280x800 120Hz reduced blanking
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## 32 1080p 24Hz 1280x960 60Hz
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## 33 1080p 25Hz 1280x960 85Hz
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## 34 1080p 30Hz 1280x960 120Hz reduced blanking
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## 35 480p 60Hz 4x 1280x1024 60Hz
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## 36 480p 60Hz 4x H 1280x1024 75Hz
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## 37 576p 50Hz 4x 1280x1024 85Hz
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## 38 576p 50Hz 4x H 1280x1024 120Hz reduced blanking
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## 39 1080i 50Hz reduced blanking 1360x768 60Hz
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## 40 1080i 100Hz 1360x768 120Hz reduced blanking
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## 41 720p 100Hz 1400x1050 reduced blanking
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## 42 576p 100Hz 1400x1050 60Hz
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## 43 576p 100Hz H 1400x1050 75Hz
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## 44 576i 100Hz 1400x1050 85Hz
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## 45 576i 100Hz H 1400x1050 120Hz reduced blanking
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## 46 1080i 120Hz 1440x900 reduced blanking
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## 47 720p 120Hz 1440x900 60Hz
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## 48 480p 120Hz 1440x900 75Hz
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## 49 480p 120Hz H 1440x900 85Hz
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## 50 480i 120Hz 1440x900 120Hz reduced blanking
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## 51 480i 120Hz H 1600x1200 60Hz
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## 52 576p 200Hz 1600x1200 65Hz
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## 53 576p 200Hz H 1600x1200 70Hz
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## 54 576i 200Hz 1600x1200 75Hz
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## 55 576i 200Hz H 1600x1200 85Hz
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## 56 480p 240Hz 1600x1200 120Hz reduced blanking
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## 57 480p 240Hz H 1680x1050 reduced blanking
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## 58 480i 240Hz 1680x1050 60Hz
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## 59 480i 240Hz H 1680x1050 75Hz
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## 60 1680x1050 85Hz
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## 61 1680x1050 120Hz reduced blanking
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## 62 1792x1344 60Hz
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## 63 1792x1344 75Hz
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## 64 1792x1344 120Hz reduced blanking
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## 65 1856x1392 60Hz
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## 66 1856x1392 75Hz
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## 67 1856x1392 120Hz reduced blanking
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## 68 1920x1200 reduced blanking
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## 69 1920x1200 60Hz
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## 70 1920x1200 75Hz
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## 71 1920x1200 85Hz
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## 72 1920x1200 120Hz reduced blanking
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## 73 1920x1440 60Hz
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## 74 1920x1440 75Hz
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## 75 1920x1440 120Hz reduced blanking
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## 76 2560x1600 reduced blanking
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## 77 2560x1600 60Hz
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## 78 2560x1600 75Hz
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## 79 2560x1600 85Hz
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## 80 2560x1600 120Hz reduced blanking
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## 81 1366x768 60Hz
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## 82 1080p 60Hz
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## 83 1600x900 reduced blanking
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## 84 2048x1152 reduced blanking
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## 85 720p 60Hz
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## 86 1366x768 reduced blanking
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##
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#hdmi_mode=1
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## config_hdmi_boost
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## configure the signal strength of the HDMI interface.
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 (Default)
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## 1
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## 2
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## 3
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## 4 Try if you have interference issues with HDMI
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## 5
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## 6
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## 7 Maximum
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##
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#config_hdmi_boost=0
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## hdmi_ignore_cec_init
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## Doesn't sent initial active source message. Avoids bringing
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## (CEC enabled) TV out of standby and channel switch when rebooting.
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Normal behaviour (Default)
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## 1 Doesn't sent initial active source message
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##
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#hdmi_ignore_cec_init=1
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## hdmi_ignore_cec
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## Pretends CEC is not supported at all by TV.
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## No CEC functions will be supported.
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Normal behaviour (Default)
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## 1 Pretend CEC is not supported by TV
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##
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#hdmi_ignore_cec=1
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################################################################################
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## Overscan Video Settings
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################################################################################
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## overscan_left
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## Number of pixels to skip on left
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##
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#overscan_left=0
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## overscan_right
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## Number of pixels to skip on right
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##
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#overscan_right=0
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## overscan_top
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## Number of pixels to skip on top
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##
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#overscan_top=0
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## overscan_bottom
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## Number of pixels to skip on bottom
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##
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#overscan_bottom=0
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## disable_overscan
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## Set to 1 to disable overscan
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Overscan Enabled (Default)
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## 1 Overscan Disabled
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##
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#disable_overscan=1
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|
|
|
|
|
|
|
|
################################################################################
|
|
|
|
|
## Framebuffer Video Settings
|
|
|
|
|
################################################################################
|
|
|
|
|
|
|
|
|
|
## framebuffer_width
|
|
|
|
|
## Console framebuffer width in pixels. Default is display width minus
|
|
|
|
|
## overscan.
|
|
|
|
|
##
|
|
|
|
|
#framebuffer_width=0
|
|
|
|
|
|
|
|
|
|
## framebuffer_height
|
|
|
|
|
## Console framebuffer height in pixels. Default is display height minus
|
|
|
|
|
## overscan.
|
|
|
|
|
##
|
|
|
|
|
#framebuffer_height=0
|
|
|
|
|
|
|
|
|
|
## framebuffer_depth
|
|
|
|
|
## Console framebuffer depth in bits per pixel.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## 8 Valid, but default RGB palette makes an unreadable screen
|
|
|
|
|
## 16 (Default)
|
|
|
|
|
## 24 Looks better but has corruption issues as of 2012/06/15
|
|
|
|
|
## 32 Has no corruption issues but needs framebuffer_ignore_alpha=1
|
|
|
|
|
## and shows the wrong colors as of 2012/06/15
|
|
|
|
|
##
|
|
|
|
|
#framebuffer_depth=16
|
|
|
|
|
|
|
|
|
|
## framebuffer_ignore_alpha
|
|
|
|
|
## Set to 1 to disable alpha channel. Helps with 32bit.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## 0 Enable Alpha Channel (Default)
|
|
|
|
|
## 1 Disable Alpha Channel
|
|
|
|
|
##
|
|
|
|
|
#framebuffer_ignore_alpha=0
|
|
|
|
|
|
|
|
|
|
################################################################################
|
|
|
|
|
## General Video Settings
|
|
|
|
|
################################################################################
|
|
|
|
|
|
|
|
|
|
## display_rotate
|
|
|
|
|
## Rotate the display clockwise or flip the display.
|
|
|
|
|
## The 90 and 270 degrees rotation options require additional memory on GPU,
|
|
|
|
|
## so won't work with the 16M GPU split.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## 0 0 degrees (Default)
|
|
|
|
|
## 1 90 degrees
|
|
|
|
|
## 2 180 degrees
|
|
|
|
|
## 3 270 degrees
|
|
|
|
|
## 0x10000 Horizontal flip
|
|
|
|
|
## 0x20000 Vertical flip
|
|
|
|
|
##
|
|
|
|
|
#display_rotate=0
|
|
|
|
|
|
|
|
|
|
################################################################################
|
|
|
|
|
## Licensed Codecs
|
|
|
|
|
##
|
|
|
|
|
## Hardware decoding of additional codecs can be enabled by purchasing a
|
|
|
|
|
## license that is locked to the CPU serial number of your Raspberry Pi.
|
|
|
|
|
##
|
|
|
|
|
## Up to 8 licenses per CODEC can be specified as a comma seperated list.
|
|
|
|
|
##
|
|
|
|
|
################################################################################
|
|
|
|
|
|
|
|
|
|
## decode_MPG2
|
|
|
|
|
## License key to allow hardware MPEG-2 decoding.
|
|
|
|
|
##
|
|
|
|
|
#decode_MPG2=0x12345678
|
|
|
|
|
|
|
|
|
|
## decode_WVC1
|
|
|
|
|
## License key to allow hardware VC-1 decoding.
|
|
|
|
|
##
|
|
|
|
|
#decode_WVC1=0x12345678
|
|
|
|
|
|
|
|
|
|
################################################################################
|
|
|
|
|
## Test Settings
|
|
|
|
|
################################################################################
|
|
|
|
|
|
|
|
|
|
## test_mode
|
|
|
|
|
## Enable test sound/image during boot for manufacturing test.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## 0 Disable Test Mod (Default)
|
|
|
|
|
## 1 Enable Test Mode
|
|
|
|
|
##
|
|
|
|
|
#test_mode=0
|
|
|
|
|
|
|
|
|
|
################################################################################
|
|
|
|
|
## Memory Settings
|
|
|
|
|
################################################################################
|
|
|
|
|
|
|
|
|
|
## disable_l2cache
|
|
|
|
|
## Disable arm access to GPU's L2 cache. Needs corresponding L2 disabled
|
|
|
|
|
## kernel.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## 0 Enable L2 Cache (Default)
|
|
|
|
|
## 1 Disable L2 cache
|
|
|
|
|
##
|
|
|
|
|
#disable_l2cache=0
|
|
|
|
|
|
|
|
|
|
## gpu_mem
|
|
|
|
|
## GPU memory allocation in MB for all board revisions.
|
|
|
|
|
##
|
|
|
|
|
## Default 64
|
|
|
|
|
##
|
|
|
|
|
#gpu_mem=128
|
|
|
|
|
|
|
|
|
|
## gpu_mem_256
|
|
|
|
|
## GPU memory allocation in MB for 256MB board revision.
|
|
|
|
|
## This option overrides gpu_mem.
|
|
|
|
|
##
|
|
|
|
|
#gpu_mem_256=128
|
|
|
|
|
|
|
|
|
|
## gpu_mem_512
|
|
|
|
|
## GPU memory allocation in MB for 512MB board revision.
|
|
|
|
|
## This option overrides gpu_mem.
|
|
|
|
|
##
|
|
|
|
|
#gpu_mem_512=128
|
|
|
|
|
|
2015-02-11 10:17:55 +00:00
|
|
|
## gpu_mem_1024
|
|
|
|
|
## GPU memory allocation in MB for 1024MB board revision.
|
|
|
|
|
## This option overrides gpu_mem.
|
|
|
|
|
##
|
|
|
|
|
#gpu_mem_1024=128
|
|
|
|
|
|
2013-05-20 12:07:03 +00:00
|
|
|
################################################################################
|
|
|
|
|
## Boot Option Settings
|
|
|
|
|
################################################################################
|
|
|
|
|
|
|
|
|
|
## disable_commandline_tags
|
|
|
|
|
## Stop start.elf from filling in ATAGS (memory from 0x100) before
|
|
|
|
|
## launching kernel
|
|
|
|
|
##
|
2016-04-07 19:25:10 +00:00
|
|
|
#disable_commandline_tags=2
|
|
|
|
|
|
|
|
|
|
## enable_uart
|
|
|
|
|
## Enables or disables uart pin multiplexing
|
|
|
|
|
## Raspberry Pi 1/2: if unset, uart is enabled by default
|
|
|
|
|
## Raspberry Pi 3: if unset uart is disabled by default
|
|
|
|
|
##
|
|
|
|
|
enable_uart=1
|
2013-05-20 12:07:03 +00:00
|
|
|
|
|
|
|
|
## cmdline (string)
|
|
|
|
|
## Command line parameters. Can be used instead of cmdline.txt file
|
|
|
|
|
##
|
|
|
|
|
#cmdline=""
|
|
|
|
|
|
|
|
|
|
## kernel (string)
|
|
|
|
|
## Alternative name to use when loading kernel.
|
|
|
|
|
##
|
|
|
|
|
#kernel=""
|
|
|
|
|
|
|
|
|
|
## kernel_address
|
|
|
|
|
## Address to load kernel.img file at
|
|
|
|
|
##
|
2016-04-07 19:25:10 +00:00
|
|
|
#kernel_address=0x8000
|
2013-05-20 12:07:03 +00:00
|
|
|
|
|
|
|
|
## ramfsfile (string)
|
|
|
|
|
## ramfs file to load
|
|
|
|
|
##
|
|
|
|
|
#ramfsfile=""
|
|
|
|
|
|
|
|
|
|
## ramfsaddr
|
|
|
|
|
## Address to load ramfs file at
|
|
|
|
|
##
|
|
|
|
|
#ramfsaddr=0x00000000
|
|
|
|
|
|
|
|
|
|
## initramfs (string address)
|
|
|
|
|
## ramfs file and address to load it at (it's like ramfsfile+ramfsaddr in
|
|
|
|
|
## one option).
|
|
|
|
|
##
|
|
|
|
|
## NOTE: this option uses different syntax than all other options - you
|
|
|
|
|
## should not use "=" character here.
|
|
|
|
|
##
|
|
|
|
|
#initramfs initramf.gz 0x00800000
|
|
|
|
|
|
|
|
|
|
## device_tree_address
|
|
|
|
|
## Address to load device_tree at
|
|
|
|
|
##
|
2016-04-07 19:25:10 +00:00
|
|
|
#device_tree_address=0x100
|
2013-05-20 12:07:03 +00:00
|
|
|
|
|
|
|
|
## init_uart_baud
|
|
|
|
|
## Initial uart baud rate.
|
|
|
|
|
##
|
|
|
|
|
## Default 115200
|
|
|
|
|
##
|
2016-04-07 19:25:10 +00:00
|
|
|
#init_uart_baud=115200
|
2013-05-20 12:07:03 +00:00
|
|
|
|
|
|
|
|
## init_uart_clock
|
|
|
|
|
## Initial uart clock.
|
|
|
|
|
##
|
|
|
|
|
## Default 3000000 (3MHz)
|
|
|
|
|
##
|
2016-04-07 19:25:10 +00:00
|
|
|
#init_uart_clock=3000000
|
2013-05-20 12:07:03 +00:00
|
|
|
|
|
|
|
|
## init_emmc_clock
|
|
|
|
|
## Initial emmc clock, increasing this can speedup your SD-card.
|
|
|
|
|
##
|
|
|
|
|
## Default 100000000 (100mhz)
|
|
|
|
|
##
|
|
|
|
|
#init_emmc_clock=100000000
|
|
|
|
|
|
|
|
|
|
## boot_delay
|
|
|
|
|
## Wait for a given number of seconds in start.elf before loading
|
|
|
|
|
## kernel.img.
|
|
|
|
|
##
|
|
|
|
|
## delay = (1000 * boot_delay) + boot_delay_ms
|
|
|
|
|
##
|
|
|
|
|
## Default 1
|
|
|
|
|
##
|
|
|
|
|
#boot_delay=0
|
|
|
|
|
|
|
|
|
|
## boot_delay_ms
|
|
|
|
|
## Wait for a given number of milliseconds in start.elf before loading
|
|
|
|
|
## kernel.img.
|
|
|
|
|
##
|
|
|
|
|
## delay = (1000 * boot_delay) + boot_delay_ms
|
|
|
|
|
##
|
|
|
|
|
## Default 0
|
|
|
|
|
##
|
|
|
|
|
#boot_delay_ms=0
|
|
|
|
|
|
|
|
|
|
## avoid_safe_mode
|
|
|
|
|
## Adding a jumper between pins 5 & 6 of P1 enables a recovery Safe Mode.
|
|
|
|
|
## If pins 5 & 6 are used for connecting to external devices (e.g. GPIO),
|
|
|
|
|
## then this setting can be used to ensure Safe Mode is not triggered.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## 0 Respect Safe Mode input (Default)
|
|
|
|
|
## 1 Ignore Safe Mode input
|
|
|
|
|
##
|
|
|
|
|
#avoid_safe_mode=1
|
|
|
|
|
|
|
|
|
|
################################################################################
|
|
|
|
|
## Overclocking Settings
|
|
|
|
|
##
|
|
|
|
|
## ARM, SDRAM and GPU each have their own PLLs and can have unrelated
|
|
|
|
|
## frequencies.
|
|
|
|
|
##
|
|
|
|
|
## The GPU core, h264, v3d and isp share a PLL, so need to have related
|
|
|
|
|
## frequencies.
|
|
|
|
|
## pll_freq = floor(2400 / (2 * core_freq)) * (2 * core_freq)
|
|
|
|
|
## gpu_freq = pll_freq / [even number]
|
|
|
|
|
##
|
|
|
|
|
## The effective gpu_freq is automatically rounded to nearest even integer, so
|
|
|
|
|
## asking for core_freq = 500 and gpu_freq = 300 will result in divisor of
|
|
|
|
|
## 2000/300 = 6.666 => 6 and so 333.33MHz.
|
|
|
|
|
##
|
|
|
|
|
##
|
|
|
|
|
## Standard Profiles:
|
|
|
|
|
## arm_freq core_freq sdram_freq over_voltage
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## None 700 250 400 0
|
|
|
|
|
## Modest 800 300 400 0
|
|
|
|
|
## Medium 900 333 450 2
|
|
|
|
|
## High 950 450 450 6
|
|
|
|
|
## Turbo 1000 500 500 6
|
|
|
|
|
##
|
|
|
|
|
################################################################################
|
|
|
|
|
|
|
|
|
|
## force_turbo
|
|
|
|
|
## Control the kernel "ondemand" governor. It has no effect if no overclock
|
|
|
|
|
## settings are specified.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## 0 Enable dynamic clocks and voltage for the ARM core, GPU core and
|
|
|
|
|
## SDRAM (Default).
|
|
|
|
|
## Overclocking of h264_freq, v3d_freq and isp_freq is ignored.
|
|
|
|
|
## 1 Disable dynamic clocks and voltage for the ARM core, GPU core
|
|
|
|
|
## and SDRAM.
|
|
|
|
|
## Overclocking of h264_freq, v3d_freq and isp_freq is allowed.
|
|
|
|
|
##
|
|
|
|
|
#force_turbo=0
|
|
|
|
|
|
|
|
|
|
## initial_turbo
|
|
|
|
|
## Enables turbo mode from boot for the given value in seconds (up to 60)
|
|
|
|
|
## or until cpufreq sets a frequency. Can help with sdcard corruption if
|
|
|
|
|
## overclocked.
|
|
|
|
|
##
|
|
|
|
|
## Default 0
|
|
|
|
|
##
|
|
|
|
|
#initial_turbo=0
|
|
|
|
|
|
|
|
|
|
## temp_limit
|
|
|
|
|
## Overheat protection. Sets clocks and voltages to default when the SoC
|
|
|
|
|
## reaches this Celsius value.
|
|
|
|
|
## Setting this higher than default voids warranty.
|
|
|
|
|
##
|
|
|
|
|
## Default 85
|
|
|
|
|
##
|
|
|
|
|
#temp_limit=85
|
|
|
|
|
|
|
|
|
|
## arm_freq
|
|
|
|
|
## Frequency of ARM in MHz.
|
|
|
|
|
##
|
|
|
|
|
## Default 700.
|
|
|
|
|
##
|
|
|
|
|
#arm_freq=700
|
|
|
|
|
|
|
|
|
|
## arm_freq_min
|
|
|
|
|
## Minimum frequency of ARM in MHz (used for dynamic clocking).
|
|
|
|
|
##
|
|
|
|
|
## Default 700.
|
|
|
|
|
##
|
|
|
|
|
#arm_freq_min=700
|
|
|
|
|
|
|
|
|
|
## gpu_freq
|
|
|
|
|
## Sets core_freq, h264_freq, isp_freq, v3d_freq together.
|
|
|
|
|
##
|
|
|
|
|
## Default 250.
|
|
|
|
|
##
|
|
|
|
|
#gpu_freq=250
|
|
|
|
|
|
|
|
|
|
## core_freq
|
|
|
|
|
## Frequency of GPU processor core in MHz. It has an impact on ARM
|
|
|
|
|
## performance since it drives L2 cache.
|
|
|
|
|
##
|
|
|
|
|
## Default 250.
|
|
|
|
|
##
|
|
|
|
|
#core_freq=250
|
|
|
|
|
|
|
|
|
|
## core_freq_min
|
|
|
|
|
## Minimum frequency of GPU processor core in MHz (used for dynamic
|
|
|
|
|
## clocking). It has an impact on ARM performance since it drives L2 cache.
|
|
|
|
|
##
|
|
|
|
|
## Default 250.
|
|
|
|
|
##
|
|
|
|
|
#core_freq_min=250
|
|
|
|
|
|
|
|
|
|
## h264_freq
|
|
|
|
|
## Frequency of hardware video block in MHz.
|
|
|
|
|
##
|
|
|
|
|
## Default 250.
|
|
|
|
|
##
|
|
|
|
|
#h264_freq=250
|
|
|
|
|
|
|
|
|
|
## isp_freq
|
|
|
|
|
## Frequency of image sensor pipeline block in MHz.
|
|
|
|
|
##
|
|
|
|
|
## Default 250.
|
|
|
|
|
##
|
|
|
|
|
#isp_freq=250
|
|
|
|
|
|
|
|
|
|
## v3d_freq
|
|
|
|
|
## Frequency of 3D block in MHz.
|
|
|
|
|
##
|
|
|
|
|
## Default 250.
|
|
|
|
|
##
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#v3d_freq=250
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## sdram_freq
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## Frequency of SDRAM in MHz.
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##
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## Default 400.
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##
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#sdram_freq=400
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## sdram_freq_min
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## Minimum frequency of SDRAM in MHz (used for dynamic clocking).
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##
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## Default 400.
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##
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#sdram_freq_min=400
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## avoid_pwm_pll
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## Unlink core_freq from the rest of the gpu. Analog audio should still
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## work, but from a fractional divider, so lower quality.
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##
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## Value Description
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## -------------------------------------------------------------------------
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## 0 Linked core_freq (Default)
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## 1 Unlinked core_freq
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##
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#avoid_pwm_pll=1
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################################################################################
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## Voltage Settings
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################################################################################
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## current_limit_override
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## Disables SMPS current limit protection. Can help if you are currently
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## hitting a reboot failure when overclocking too high.
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##
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#current_limit_override=0x5A000020
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## over_voltage
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## ARM/GPU core voltage adjust.
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##
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## Value Description
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## -------------------------------------------------------------------------
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## -16 0.8 V
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## -15 0.825 V
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## -14 0.85 V
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## -13 0.875 V
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## -12 0.9 V
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## -11 0.925 V
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## -10 0.95 V
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## -9 0.975 V
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## -8 1.0 V
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## -7 1.025 V
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## -6 1.05 V
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## -5 1.075 V
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## -4 1.1 V
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## -3 1.125 V
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## -2 1.15 V
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## -1 1.175 V
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## 0 1.2 V (Default)
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## 1 1.225 V
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## 2 1.25 V
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## 3 1.275 V
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## 4 1.3 V
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## 5 1.325 V
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## 6 1.35 V
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## 7 1.375 V (requires force_turbo=1)
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## 8 1.4 V (requires force_turbo=1)
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##
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#over_voltage=0
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|
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## over_voltage_min
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|
|
## Minimum ARM/GPU core voltage adjust (used for dynamic clocking).
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|
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##
|
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|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## -16 0.8 V
|
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|
|
## -15 0.825 V
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|
|
## -14 0.85 V
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|
## -13 0.875 V
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|
## -12 0.9 V
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|
## -11 0.925 V
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## -10 0.95 V
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## -9 0.975 V
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## -8 1.0 V
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|
## -7 1.025 V
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## -6 1.05 V
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## -5 1.075 V
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## -4 1.1 V
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## -3 1.125 V
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## -2 1.15 V
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## -1 1.175 V
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|
## 0 1.2 V (Default)
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|
## 1 1.225 V
|
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## 2 1.25 V
|
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|
## 3 1.275 V
|
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|
|
## 4 1.3 V
|
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|
|
## 5 1.325 V
|
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|
|
## 6 1.35 V
|
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|
|
## 7 1.375 V (requires force_turbo=1)
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|
|
## 8 1.4 V (requires force_turbo=1)
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|
|
##
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|
|
#over_voltage_min=0
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|
|
## over_voltage_sdram
|
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|
|
## Sets over_voltage_sdram_c, over_voltage_sdram_i, over_voltage_sdram_p
|
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|
|
## together
|
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|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## -16 0.8 V
|
|
|
|
|
## -15 0.825 V
|
|
|
|
|
## -14 0.85 V
|
|
|
|
|
## -13 0.875 V
|
|
|
|
|
## -12 0.9 V
|
|
|
|
|
## -11 0.925 V
|
|
|
|
|
## -10 0.95 V
|
|
|
|
|
## -9 0.975 V
|
|
|
|
|
## -8 1.0 V
|
|
|
|
|
## -7 1.025 V
|
|
|
|
|
## -6 1.05 V
|
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|
|
## -5 1.075 V
|
|
|
|
|
## -4 1.1 V
|
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|
|
## -3 1.125 V
|
|
|
|
|
## -2 1.15 V
|
|
|
|
|
## -1 1.175 V
|
|
|
|
|
## 0 1.2 V (Default)
|
|
|
|
|
## 1 1.225 V
|
|
|
|
|
## 2 1.25 V
|
|
|
|
|
## 3 1.275 V
|
|
|
|
|
## 4 1.3 V
|
|
|
|
|
## 5 1.325 V
|
|
|
|
|
## 6 1.35 V
|
|
|
|
|
## 7 1.375 V
|
|
|
|
|
## 8 1.4 V
|
|
|
|
|
##
|
|
|
|
|
#over_voltage_sdram=0
|
|
|
|
|
|
|
|
|
|
## over_voltage_sdram_c
|
|
|
|
|
## SDRAM controller voltage adjust.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## -16 0.8 V
|
|
|
|
|
## -15 0.825 V
|
|
|
|
|
## -14 0.85 V
|
|
|
|
|
## -13 0.875 V
|
|
|
|
|
## -12 0.9 V
|
|
|
|
|
## -11 0.925 V
|
|
|
|
|
## -10 0.95 V
|
|
|
|
|
## -9 0.975 V
|
|
|
|
|
## -8 1.0 V
|
|
|
|
|
## -7 1.025 V
|
|
|
|
|
## -6 1.05 V
|
|
|
|
|
## -5 1.075 V
|
|
|
|
|
## -4 1.1 V
|
|
|
|
|
## -3 1.125 V
|
|
|
|
|
## -2 1.15 V
|
|
|
|
|
## -1 1.175 V
|
|
|
|
|
## 0 1.2 V (Default)
|
|
|
|
|
## 1 1.225 V
|
|
|
|
|
## 2 1.25 V
|
|
|
|
|
## 3 1.275 V
|
|
|
|
|
## 4 1.3 V
|
|
|
|
|
## 5 1.325 V
|
|
|
|
|
## 6 1.35 V
|
|
|
|
|
## 7 1.375 V
|
|
|
|
|
## 8 1.4 V
|
|
|
|
|
##
|
|
|
|
|
#over_voltage_sdram_c=0
|
|
|
|
|
|
|
|
|
|
## over_voltage_sdram_i
|
|
|
|
|
## SDRAM I/O voltage adjust.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## -16 0.8 V
|
|
|
|
|
## -15 0.825 V
|
|
|
|
|
## -14 0.85 V
|
|
|
|
|
## -13 0.875 V
|
|
|
|
|
## -12 0.9 V
|
|
|
|
|
## -11 0.925 V
|
|
|
|
|
## -10 0.95 V
|
|
|
|
|
## -9 0.975 V
|
|
|
|
|
## -8 1.0 V
|
|
|
|
|
## -7 1.025 V
|
|
|
|
|
## -6 1.05 V
|
|
|
|
|
## -5 1.075 V
|
|
|
|
|
## -4 1.1 V
|
|
|
|
|
## -3 1.125 V
|
|
|
|
|
## -2 1.15 V
|
|
|
|
|
## -1 1.175 V
|
|
|
|
|
## 0 1.2 V (Default)
|
|
|
|
|
## 1 1.225 V
|
|
|
|
|
## 2 1.25 V
|
|
|
|
|
## 3 1.275 V
|
|
|
|
|
## 4 1.3 V
|
|
|
|
|
## 5 1.325 V
|
|
|
|
|
## 6 1.35 V
|
|
|
|
|
## 7 1.375 V
|
|
|
|
|
## 8 1.4 V
|
|
|
|
|
##
|
|
|
|
|
#over_voltage_sdram_i=0
|
|
|
|
|
|
|
|
|
|
## over_voltage_sdram_p
|
|
|
|
|
## SDRAM phy voltage adjust.
|
|
|
|
|
##
|
|
|
|
|
## Value Description
|
|
|
|
|
## -------------------------------------------------------------------------
|
|
|
|
|
## -16 0.8 V
|
|
|
|
|
## -15 0.825 V
|
|
|
|
|
## -14 0.85 V
|
|
|
|
|
## -13 0.875 V
|
|
|
|
|
## -12 0.9 V
|
|
|
|
|
## -11 0.925 V
|
|
|
|
|
## -10 0.95 V
|
|
|
|
|
## -9 0.975 V
|
|
|
|
|
## -8 1.0 V
|
|
|
|
|
## -7 1.025 V
|
|
|
|
|
## -6 1.05 V
|
|
|
|
|
## -5 1.075 V
|
|
|
|
|
## -4 1.1 V
|
|
|
|
|
## -3 1.125 V
|
|
|
|
|
## -2 1.15 V
|
|
|
|
|
## -1 1.175 V
|
|
|
|
|
## 0 1.2 V (Default)
|
|
|
|
|
## 1 1.225 V
|
|
|
|
|
## 2 1.25 V
|
|
|
|
|
## 3 1.275 V
|
|
|
|
|
## 4 1.3 V
|
|
|
|
|
## 5 1.325 V
|
|
|
|
|
## 6 1.35 V
|
|
|
|
|
## 7 1.375 V
|
|
|
|
|
## 8 1.4 V
|
|
|
|
|
##
|
2015-07-14 07:37:29 +00:00
|
|
|
#over_voltage_sdram_p=0
|
2015-08-17 06:04:48 +00:00
|
|
|
|
|
|
|
|
################################################################################
|
|
|
|
|
## Device Tree Settings
|
|
|
|
|
################################################################################
|
|
|
|
|
|
2016-07-07 07:22:07 +00:00
|
|
|
dtparam=random=on
|
|
|
|
|
dtparam=watchdog=on
|
|
|
|
|
dtparam=audio=on
|
|
|
|
|
dtparam=i2c0=on
|
|
|
|
|
dtparam=i2c1=on
|
|
|
|
|
dtparam=spi=on
|
2015-10-05 10:27:41 +00:00
|
|
|
|
2016-06-08 09:59:37 +00:00
|
|
|
#dtoverlay=adau1977-adc
|
|
|
|
|
#dtoverlay=audioinjector-wm8731-audio
|
2016-07-07 07:22:07 +00:00
|
|
|
#dtoverlay=dionaudio-loco
|
2016-06-08 09:59:37 +00:00
|
|
|
#dtoverlay=hifiberry-amp
|
|
|
|
|
#dtoverlay=hifiberry-dac
|
|
|
|
|
#dtoverlay=hifiberry-dacplus
|
|
|
|
|
#dtoverlay=hifiberry-digi
|
2016-09-10 12:54:26 +00:00
|
|
|
#dtoverlay=hifiberry-digi-pro
|
2016-06-08 09:59:37 +00:00
|
|
|
#dtoverlay=iqaudio-dac
|
|
|
|
|
#dtoverlay=iqaudio-dacplus
|
2016-07-07 07:22:07 +00:00
|
|
|
#dtoverlay=iqaudio-digi-wm8804-audio
|
2016-06-08 09:59:37 +00:00
|
|
|
#dtoverlay=justboom-dac
|
|
|
|
|
#dtoverlay=justboom-digi
|
|
|
|
|
#dtoverlay=raspidac3
|
|
|
|
|
#dtoverlay=rpi-dac
|
|
|
|
|
#dtoverlay=rpi-proto
|
|
|
|
|
#dtoverlay=rra-digidac1-wm8741-audio
|
