Bpi m3 ubuntu /proc/cmdline

Bonjour, dans cmdline

root@alpha63:/proc# pg cmdline
board=bpi-m3 console=ttyS0,115200 console=tty1 service=linux root=/dev/mmcblk0p2 rootfstype=ext4 rootwait bootmenutimeout=10 datadev=mmcblk0p2 enforcing=1 initcall_debug=0 loglevel=8 init=/init vmalloc=384M ion_cma_list=120m,176m,512m panic=10 disp.screen0_output_type=3 disp.screen0_output_mode=5 disp.screen1_output_type=3 disp.screen1_output_mode=5
root@alpha63:/proc# man cmdline                                                                                

bootmenutimeout, son rĂ´le SVP

JB