At 13:42 3/19/99 -0500, Roberto Safora wrote:
>I put a amd k6-2/350 cpu in a Shuttle hot 591p mobo.
>From time to time when pc starts you can red a message "IOS device
>error initializing. windows protection error. Restart your pc"...
>The same thing happens in more than 15 PCs

If you are using Win95 OSR2, this is a known problem. See
<http://www.amd.com/products/cpg/k623d/win95_update_k6.html>.

"When you are starting Windows 95 OSR2, OSR2.1, or OSR2.5 on a
computer with an AMD-K6-2 processor running at speeds of 350 MHz
and above, you may receive one of the following error messages:

     Device IOS failed to initialize.
     Windows Protection Error.
     You must reboot your computer.

The first error is a result of a divide exception in IOS.VXD,
the second is due to a similar error within ESDI_506.PDR or
SCSIPORT.PDR.

This observation is caused by a software timing loop that is
sensitive to processor frequency, and is not a processor erratum.
This DOES NOT occur with Windows 98 or Windows NT."...

You can download the following fix:
<http://support.microsoft.com/download/support/mslfiles/Amdk6upd.exe>.

Regards,
Bill

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