On Thu, 15 Feb 2007 06:34:35 -0800, H. Peter Anvin wrote: > Jean Delvare wrote: > > On x86, the BIOS led state can be read from byte 0x97 the BIOS RAM. The > > BIOS RAM is mapped at 0x400 so all we need to do is to one byte from > > RAM (offset 0x497). This is how Suse's hwinfo does. > > Perhaps that's what Suse does, but the proper address is 0x417. > > 0x497 is the rarely-used LPT2 timeout counter.
Still, the information printed by hwinfo is correct, I've tested it myself. Is there some publicly available documentation about the x86 BIOS RAM mapping? Thanks, -- Jean Delvare - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
