Re: Cyrix and the 2.0.35-pre6

Turbo Fredriksson (turbo@tripnet.se)
21 Aug 1998 09:11:32 -0700


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alan@lxorguk.ukuu.org.uk (Alan Cox) wrote:

> > problem with lockups and 'instant reboots'. I stumbled across some info
> > that the upcomming 2.0.36 should have better Cyrix detection and bug
> > workaround, but so faar it doesn't work for me.
>
> The cyrix handling doesnt including "random reboot" Im afraid

Lucky me... :)

> > cpu : 486
> > model : 486 DX-25/33
> > vendor_id : GenuineIntel
>
> Ok thats a problem. That should have been detected by the 5/2 test

Yeah... I'd had a look at the code, and I can't se why it didn't find the
correct ID...

So what's to fix? :)

> > Sometimes, when I'm using X and Communicator, al of a sudden, I see the BIOS
> > starting to count and check the memmory! That's a fast reboot for ya'... :)
>
> Check the fan is to spec, check the machine ventilation on those kind of sudden
> restarts with 2.0.x. The cyrix CPU's seem to output a lot of heat. I had
> a fair bit of fun getting the MII stable

Ohh... The cooling is not a problem, beleve me.. It used to be, but a couple of
month ago, I bought a Pentium Pro 'HeavyDuty' hatsink, with extra powerfull
ballbering fan, that white stuff you putt between a chip and the heatsink, I'm
not using the top on the casing, and I have a very big (4") ballbering 'HeavyDuty'
fan blowing right at the interior (~ at the CPU) from the side of the computer...

Without all of this, it's a _LOT_ more sensitive... :)

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