I've got V5 5500 w/ Toshiba memory and BIOS 1.06.
Is there any reason to upgrade BIOS to 1.18 (stability, speed, etc ) ?
Are you having problems?
If not, then there's no reason to upgrade.
Upgrades are for people who have problems.:D
I upgraded from 1.06 to 1.18 and saw absolutely no difference :D
it does "fix" a few VESA dos modes.......