I have an Nvidia P5nsli mainboard with xp home and vista premium installed on two different hard drives.
The XP has no problem but the Vista has the error code. I am waiting for a reply from Microsoft Techs and Nvidia Techs to answer. I am also checking Anandtech Forums to see if anybody has come up with this same issue. My Usb ram drives work but my iomega clik drive does not. I have three versions of Vista on two computers which all have the code 12. But not on the XP Versions. Might want to add that it may only be a Nvidia mainboard problem.

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