My System Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_rtm.040803-2158) System Manufacturer: ASUSTeK Computer INC. System Model: A7N8X-E BIOS: Ver 1.65 Processor: AMD Athlon(tm) XP 3200+, MMX, 3DNow, ~2.2GHz Memory: 1536MB RAM DirectX Version: DirectX 9.0c (4.09.0000.0904) Adaptec Serial ATA 1205SA Host Controller Ailicon Image Sil 3112 SATARaid Controller (on motherboard) DRIVE 1: Maxtor 6 Y080M0 DRIVE 2: DiamondMax 10 250GB SATA 150 HDD My problem I have Maxtor 6 Y080M0 SATA drive and wanted to add a bigger drive a DiamondMax 10 250GB SATA 150 HDD, I added the new drive to the 2nd SATA port on the motherboard, booted up computer went to computer management to format the new drive and what I discovered is the drive did not show up in disk management I looked in device manager to see if the drive is there and it shows up there but not in disk management. So I picked up Adaptec Serial ATA 1205SA host controller thinking that the SATA ports on the motherboard did not work right. I installed the card with the latest drives I plugged in the 2 drives to the Host Controller and boot the computer, everything worked ok I formatted the drive and rebooted the computer got to the windows XP logo with the scrolling bar and the computer rebooted by itself. I cant get pass the windows XP logo with the scrolling bar. All the drives and the Host Controller seem to work ok when I use MaxBlast3 to copy the partitions to the new dive. But when I try to start windows XP I cant get passed windows XP logo with the scrolling bar using Adaptec Serial ATA 1205SA Host Controller. I disabled the SATA on motherboard to see if host controller conflicts with the A7N8X-E SATA. That did not help and still got the same problem not getting passed the windows XP logo with the scrolling bar HELP!!!!