It could be bad RAM, incorrect HAL, bad or incorrect driver, etc.

http://support.microsoft.com/kb/244617/en-us

http://oca.microsoft.com/en/windiag.asp





--

Regards,

Dave Patrick ....Please no email replies - reply in newsgroup.
Microsoft Certified Professional
Microsoft MVP [Windows]
http://www.microsoft.com/protect

"BruceInTx" wrote:
>I changed a setting in the BIOS and now Windows SBS 2003 is seeing the hard
> drive. I got partitions set and the C: partition formatted.
>
> The installation begins. It gets to "Installing Windows" and an
> "Installing
> Devices" progress bar gets halfway. Then it crashes to a death screen.
>
> The message on the screen is IRQL_NOT_LESS_OR_EQUAL.
>
> What now???
>
> Thanks