Topic Title: 890GX RAID supports 2TB drives, but does not support 3TB drives
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Created On: 09/05/2012 09:37 PM
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 09/05/2012 09:37 PM
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Joined: 09/05/2012


Motherboard: Gigabyte GA-890GPA-UD3H (AMD 890GX chip set), rev 3.1, firmware F5H. Works fine with 3TB drives connected to the SATA ports as non-RAID drives.

OS: Windows 7 Ultimate 64-bit, all the latest updates as of 5-Sep-2012.

AMD chipset drivers: v12.8

RAIDXpert: v3.3.1540.19, Build date 14-Dec-2011

2TB drives: Hitachi Green

3TB drives: Western Digital Green

What works:

  1. Configure a 6-drive RAID 0 array in BIOS with (6) Hitachi 2TB drives.
  2. Boot into Win7x64.
  3. Windows device manager detects a 12TB RAID 0 array labeled "AMD 6+0 Stripe/RAID0 SCSI Disk Device".
  4. Format the 12TB array as a GPT volume. No problems. Very fast.


What doesn't work:

  1. Connect (5) Western Digital 3TB drives to the same SATA ports as above (leaving one empty).
  2. Configure a 5-drive RAID 0 array in BIOS on the (5) Western Digital 3TB drives.
  3. Boot into Win7x64.
  4. Windows device manager detects five discreet 3TB disk drives labeled "WDC WD30EZRX-00MMMB0 SCSI Disk Device".
  5. Windows device manager DOES NOT detect a 15TB array.


Is there a fix? Am I doing something wrong? 


Edited: 09/05/2012 at 09:47 PM by docBrian
 11/12/2012 04:46 PM
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Alpha Geek

Posts: 1579
Joined: 01/31/2010

you need a 9xx series based boards with UEFI to be able to use the bigger disk.

to boot 7 you also need to use the x64 edition



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