diff --git a/boards/t430/t430.config b/boards/t430/t430.config
index dde67329..45585b16 100644
--- a/boards/t430/t430.config
+++ b/boards/t430/t430.config
@@ -1,4 +1,9 @@
 # Configuration for a t430 running Qubes and other OSes
+# STATIC_OPTION_TABLE is set inside of coreboot config
+#
+# Deactivated to fit in coreboot's CONFIG_CBFS_SIZE=0x700000 :
+# dropbear support(ssh client/server)
+# e1000e (ethernet driver)
 export CONFIG_COREBOOT=y
 export CONFIG_COREBOOT_VERSION=4.8.1
 export CONFIG_LINUX_VERSION=4.14.62
@@ -18,13 +23,21 @@ CONFIG_PCIUTILS=y
 CONFIG_POPT=y
 CONFIG_QRENCODE=y
 CONFIG_TPMTOTP=y
-CONFIG_DROPBEAR=y
 
+#Whiptail in console mode
+#CONFIG_SLANG=y
+#CONFIG_NEWT=y
+
+#whiptail in graphical mode
 CONFIG_CAIRO=y
 CONFIG_FBWHIPTAIL=y
 
 CONFIG_LINUX_USB=y
-CONFIG_LINUX_E1000E=y
+
+#SSH client/server
+CONFIG_DROPBEAR=n
+#Ethernet driver (Heads only)
+CONFIG_LINUX_E1000E=n
 
 export CONFIG_TPM=y
 export CONFIG_BOOTSCRIPT=/bin/gui-init
diff --git a/boards/x230-hotp-verification/x230-hotp-verification.config b/boards/x230-hotp-verification/x230-hotp-verification.config
index 5eef5868..9138ddf5 100644
--- a/boards/x230-hotp-verification/x230-hotp-verification.config
+++ b/boards/x230-hotp-verification/x230-hotp-verification.config
@@ -1,5 +1,12 @@
 # Configuration for a x230-hotp-verification (Nitrokey/Purism USB Security dongle enabled HOTP support) 
-# running Qubes and other OSes
+# running Qubes and other OSes.
+#
+# Deactivated to fit in coreboot's CONFIG_CBFS_SIZE=0x700000 :
+# dropbear support(ssh client/server)
+# e1000e (ethernet driver)
+#
+# Addition vs standard x230 board config:
+# HOTP_KEY: HOTP challenge for currently supported USB Security dongles
 export CONFIG_COREBOOT=y
 export CONFIG_COREBOOT_VERSION=4.8.1
 export CONFIG_LINUX_VERSION=4.14.62
@@ -19,7 +26,6 @@ CONFIG_PCIUTILS=y
 CONFIG_POPT=y
 CONFIG_QRENCODE=y
 CONFIG_TPMTOTP=y
-CONFIG_DROPBEAR=y
 
 #CONFIG_SLANG=y
 #CONFIG_NEWT=y
@@ -28,7 +34,11 @@ CONFIG_FBWHIPTAIL=y
 CONFIG_HOTPKEY=y
 
 CONFIG_LINUX_USB=y
-CONFIG_LINUX_E1000E=y
+
+#SSH client/server
+CONFIG_DROPBEAR=n
+#Ethernet driver (Heads only)
+CONFIG_LINUX_E1000E=n
 
 export CONFIG_TPM=y
 export CONFIG_BOOTSCRIPT=/bin/gui-init
diff --git a/boards/x230/x230.config b/boards/x230/x230.config
index f52fb355..5333b34f 100644
--- a/boards/x230/x230.config
+++ b/boards/x230/x230.config
@@ -1,4 +1,9 @@
 # Configuration for a x230 running Qubes and other OSes
+# STATIC_OPTION_TABLE is set inside of coreboot config
+#
+# Deactivated to fit in coreboot's CONFIG_CBFS_SIZE=0x700000 :
+# dropbear support(ssh client/server)
+# e1000e (ethernet driver)
 export CONFIG_COREBOOT=y
 export CONFIG_COREBOOT_VERSION=4.8.1
 export CONFIG_LINUX_VERSION=4.14.62
@@ -18,13 +23,18 @@ CONFIG_PCIUTILS=y
 CONFIG_POPT=y
 CONFIG_QRENCODE=y
 CONFIG_TPMTOTP=y
-CONFIG_DROPBEAR=y
 
+#CONFIG_SLANG=y
+#CONFIG_NEWT=y
 CONFIG_CAIRO=y
 CONFIG_FBWHIPTAIL=y
 
 CONFIG_LINUX_USB=y
-CONFIG_LINUX_E1000E=y
+
+#SSH client/server
+CONFIG_DROPBEAR=n
+#Ethernet driver (Heads only)
+CONFIG_LINUX_E1000E=n
 
 export CONFIG_TPM=y
 export CONFIG_BOOTSCRIPT=/bin/gui-init
diff --git a/config/coreboot-t430.config b/config/coreboot-t430.config
index b90f8d5a..405e0bba 100644
--- a/config/coreboot-t430.config
+++ b/config/coreboot-t430.config
@@ -1,26 +1,17 @@
 CONFIG_LOCALVERSION="heads"
 CONFIG_ANY_TOOLCHAIN=y
-# CONFIG_INCLUDE_CONFIG_FILE is not set
-# CONFIG_COLLECT_TIMESTAMPS is not set
-CONFIG_USE_BLOBS=y
 CONFIG_MEASURED_BOOT=y
 CONFIG_VENDOR_LENOVO=y
-CONFIG_CBFS_SIZE=0x710000
-# CONFIG_POST_IO is not set
-# CONFIG_POST_DEVICE is not set
-CONFIG_DRIVERS_UART_8250IO=y
+CONFIG_CBFS_SIZE=0x700000
 CONFIG_BOARD_LENOVO_THINKPAD_T430=y
-CONFIG_DRIVERS_PS2_KEYBOARD=y
+CONFIG_NO_POST=y
 CONFIG_UART_PCI_ADDR=0
 # CONFIG_CONSOLE_SERIAL is not set
 CONFIG_CONSOLE_CBMEM_BUFFER_SIZE=0x80000
 CONFIG_DEFAULT_CONSOLE_LOGLEVEL_5=y
 CONFIG_PAYLOAD_LINUX=y
 CONFIG_PAYLOAD_FILE="../../build/t430/bzImage"
-CONFIG_PAYLOAD_OPTIONS=""
-# CONFIG_PXE is not set
 CONFIG_LINUX_COMMAND_LINE="intel_iommu=igfx_off quiet"
 CONFIG_LINUX_INITRD="../../build/t430/initrd.cpio.xz"
-CONFIG_DEBUG_SMM_RELOCATION=y
 CONFIG_USE_OPTION_TABLE=y
 CONFIG_STATIC_OPTION_TABLE=y
diff --git a/config/coreboot-x230-hotp-verification.config b/config/coreboot-x230-hotp-verification.config
index 150c7333..092064af 100644
--- a/config/coreboot-x230-hotp-verification.config
+++ b/config/coreboot-x230-hotp-verification.config
@@ -2,7 +2,7 @@ CONFIG_LOCALVERSION="heads"
 CONFIG_ANY_TOOLCHAIN=y
 CONFIG_MEASURED_BOOT=y
 CONFIG_VENDOR_LENOVO=y
-CONFIG_CBFS_SIZE=0x710000
+CONFIG_CBFS_SIZE=0x700000
 CONFIG_BOARD_LENOVO_X230=y
 CONFIG_NO_POST=y
 CONFIG_UART_PCI_ADDR=0
diff --git a/config/coreboot-x230.config b/config/coreboot-x230.config
index 68ef480c..ac344588 100644
--- a/config/coreboot-x230.config
+++ b/config/coreboot-x230.config
@@ -1,27 +1,17 @@
 CONFIG_LOCALVERSION="heads"
 CONFIG_ANY_TOOLCHAIN=y
-# CONFIG_INCLUDE_CONFIG_FILE is not set
-# CONFIG_COLLECT_TIMESTAMPS is not set
-CONFIG_USE_BLOBS=y
 CONFIG_MEASURED_BOOT=y
 CONFIG_VENDOR_LENOVO=y
-CONFIG_CBFS_SIZE=0x710000
-# CONFIG_POST_IO is not set
-# CONFIG_POST_DEVICE is not set
-CONFIG_DRIVERS_UART_8250IO=y
+CONFIG_CBFS_SIZE=0x700000
 CONFIG_BOARD_LENOVO_X230=y
-CONFIG_DRIVERS_PS2_KEYBOARD=y
+CONFIG_NO_POST=y
 CONFIG_UART_PCI_ADDR=0
 CONFIG_NO_GFX_INIT=y
-# CONFIG_CONSOLE_SERIAL is not set
 CONFIG_CONSOLE_CBMEM_BUFFER_SIZE=0x80000
 CONFIG_DEFAULT_CONSOLE_LOGLEVEL_5=y
 CONFIG_PAYLOAD_LINUX=y
 CONFIG_PAYLOAD_FILE="../../build/x230/bzImage"
-CONFIG_PAYLOAD_OPTIONS=""
-# CONFIG_PXE is not set
 CONFIG_LINUX_COMMAND_LINE="intel_iommu=igfx_off quiet"
 CONFIG_LINUX_INITRD="../../build/x230/initrd.cpio.xz"
-CONFIG_DEBUG_SMM_RELOCATION=y
 CONFIG_USE_OPTION_TABLE=y
 CONFIG_STATIC_OPTION_TABLE=y