Re: Am486/100 writeback processor reboot woes

Erik (erik@fenris.campus.vt.edu)
23 Oct 1996 13:31:57 GMT

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On Wed, 16 Oct 1996 13:24:14 +0100 (BST), Bryn Paul Arnold Jones <bpaj@gytha.demon.co.uk> posted:
>On Wed, 16 Oct 1996, Toni Nikkanen wrote:
>
>>
>> Linux has never been able to start a reboot on my AMD 486/100 processor,
>> the machine simply hangs itself right at the spot where the machine should
>> start rebooting. I thought I'll start playing around with the stuff in
>> arch/i386/kernel/process.c but would appreciate some hints as to what is
>> worth trying and what is not.
>>
>>
>Have you tried 2.0.22 ? If I remember correctly, it has the cold
>reboot code that's in 2.1 ....

If you have this problem, your motherboard is MISCONFIGURED. You must
configure your motherboard as either
(A) a 486S (SL?) chip (not SX )
(B) an INTEL 486 DX/4 chip

This is a fairly common problem on 486 DX4/120s from AMD, and probably should
be a FAQ.

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