Windows 95 got the same timing loop problem with P4 platform as occurred on AMD K6/2 processor before. To install Win95 on P4 motherboard, you need to downgrade the processor to 800MHz if possible and load the AMDK6UPD patch file from Microsoft. If the processor frequency is locked like regular retail processors, Win95 and the AMDK6UPD patch have to be preloaded on another platform to get rid of the IOS protection error. The AMDK6UPD patch is available from the following URL.
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q19284
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