hi just built a new pc everything works apart from the 200gb ata hard drive.I cannot get xp to load.it formats and copies files then reboots as usualand the windows logo comes on then i get a blue screen with unmountable boot volume with code stop 0x000000ed(0x85b7d900,0xc000009c,0x000000000x00000 000. i have never installed a sata hdd before.everything else is fine as i put a ide hdd in and it works perfect,so i must be doing somethig wrong.guess its me or the hdd at fault. please help

SATA and IDE/ATA in the same configuration is often problematic during an XP install.

Also make sure your SATA is in a SATA slot and not a SATA/RAID slot.

That being said there is a lot to browse here re: your error message:

http://support.microsoft.com/?kbid=892000

http://groups.google.com/groups?hl=e...9c&sa=N&tab=wg

http://www.google.com/search?hl=en&l...0ed+0xc000009c