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    SubjectRe: Linus' laptop and Num lock status
    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
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