Article View: comp.sys.ibm.pc.hardware.misc
Article #698Re: "PCI Bus Mainboard 486" & DX4-100 'Dead' ?
From: David Longley
Date: Sun, 24 Dec 1995 00:00
Date: Sun, 24 Dec 1995 00:00
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In article <819841158snz@briac.demon.co.uk>
Ray@briac.demon.co.uk "Ray Hyman" writes:
> In article <819765886snz@longley.demon.co.uk>
> David@longley.demon.co.uk "David Longley" writes:
>
> > - PCI Bus Mainboard 486 - AMIBIOS 1994/5
>
> Is this the one with the red (or brown) A5 sized, 3 chapter, 28 page
> manual with a little '48' and a huge '6' ?
>
> Never heard of it !
>
> Seriously though, J2 shorted across pins 3 & 4 will clear CMOS if it is
> the one I have the manual for. The way I normally do it is:
> 1 - short pins 3-4
> 2 - turn the power on for 10 secs
> 3 - turn power back off
> 4 - return the jumper to its default setting for internal battery
> across pins 2&3
>
> I believe there is also another slight possibility of a problem, there
> are two versions of the AMD DX4, a normal one and an enhanced one.
> The enhanced one will only allow booting from a floppy with the internal
> cache turned off and can cause other assorted floppy disk problems.
>
> Turn off the cache and they run like Amstrad PC's but never give a
> moment's problem, turn it on and if you never use floppy disks you
> might not notice a problem.
>
> --
> Ray Hyman
>
Now I've got this sorted out - can you let me have your setup? I have the
3.3V Intel DX100 and yes, the same manual. How do you rate the board?
--
David Longley
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 1036bc,348aa69fab2a15b5 X-Google-Attributes: gid1036bc,public X-Google-Thread: 110292,348aa69fab2a15b5 X-Google-Attributes: gid110292,public X-Google-Thread: 109e38,348aa69fab2a15b5 X-Google-Attributes: gid109e38,public From: David Longley <David@longley.demon.co.uk> Subject: Re: "PCI Bus Mainboard 486" & DX4-100 'Dead' ? Date: 1995/12/24 Message-ID: <819848837snz@longley.demon.co.uk> X-Deja-AN: 122739988 x-nntp-posting-host: longley.demon.co.uk references: <819765886snz@longley.demon.co.uk> <819841158snz@briac.demon.co.uk> x-mail2news-path: longley.demon.co.uk organization: Relational Systems & Technology reply-to: David@longley.demon.co.uk newsgroups: comp.sys.ibm.pc.hardware.misc,demon.tech.pc,comp.sys.intel