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Cyrix DX4 - 100 CPU internal cache

Posted on 1998-01-08
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Last Modified: 2008-02-26
I just built my little spare machine to play with but opin installation of Windows 95 it crashes each time just after hitting the 1'st "continue button" if i turn OFF CPU internal cache in the bios it works

does this mean

the cpu is bad?

the voltage is bad?

the multiplier / clock speed?

or something else could it still be the motherboard even tho the external cache is ON and working (a rare thing on most lower quality 486 m/b's)

thanks for your time people

also what is the correct voltage for this CPU?
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Question by:abrasion
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jhance earned 0 total points
ID: 1122559
This probably means one of three things:

1) The BIOS is incompatible with the DX4 chip
2) The hardware (i.e. motherboard) was not designed for the DX4
3) The jumpers are not setup correctly for the CPU you are using

My guess is #3.  Break out your motherboard manual and go over the jumper settings for the DX4 processor.  If it's not listed, it is probably not supported.
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Expert Comment

by:rmarotta
ID: 1122560
abrasion,
I'm not sure of that CPU, but on some Cyrix's if you look closely, the voltage is printed on it.
Regards & just my $.02,
Ralph

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Author Comment

by:abrasion
ID: 1122561
i turned off the internal cache and apparently there is a cyrix bug ...... with that on 486's AND the ram seems dodgy too .. how do i know if its edo ( it sohuldnt be) ? by the serial # on it?


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