FM / cmos_nvram0

/sys/devices/pnp0/00:03/cmos_nvram0

Name	Size	Mode	Actions
power/	-	0755	rm
subsystem/	-	0755	rm
nvmem	0	0644	edit dl rm
uevent	4096	0644	edit dl rm

Edit: /sys/devices/pnp0/00:03/cmos_nvram0/nvmem (0B)

cmd: