diff --git a/How-to-compile-DevTerm-CM3-Kernel.md b/How-to-compile-DevTerm-CM3-Kernel.md
index 5d169bb..7ccdaed 100644
--- a/How-to-compile-DevTerm-CM3-Kernel.md
+++ b/How-to-compile-DevTerm-CM3-Kernel.md
@@ -24,3 +24,20 @@ cp arch/arm/boot/zImage $1/boot/kernel7.img
 cp arch/arm/boot/dts/bcm2710-rpi-cm3.dtb $1/boot/bcm2710-rpi-cm3.dtb
 cp arch/arm/boot/dts/overlays/*.dtbo $1/boot/overlays/
 ```
+
+### config_a
+```
+ignore_lcd=1
+dtoverlay=vc4-kms-v3d,audio=0,cma-384
+dtoverlay=devterm-pmu
+dtoverlay=devterm-panel
+dtoverlay=devterm-wifi
+dtoverlay=devterm-bt
+dtoverlay=devterm-misc
+gpio=5=op,dh
+gpio=9=op,dh
+gpio=10=ip,np
+gpio=11=op,dh
+
+enable_uart=1
+```
\ No newline at end of file