Check that the drive isnt set to PIO mode
To ensure your drives are operating in DMA mode:
(1) Control Panel,
(2) System,
(3) Goto the Hardware Tab,
(4) Device Manager,
(5) IDE ATA/ATAPI Controllers,
(6) Right Click on Primary IDE Channel --> Properties,
(7) Goto the Advanced Settings Tab, Make sure both drop down boxes say 'DMA if Available', Click OK,
(8) Right Click on Seconady IDE Channel --> Properties,
(9) Goto the Advanced Settings Tab, Make sure both drop down boxes say 'DMA if Available', Click OK,
(10) Reboot.