Topic Title: AMD AHCI driver 13.1 BSOD Windows7/8 and driver renaming
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Created On: 02/06/2013 06:42 AM
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 05/22/2014 01:03 PM
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Whiznot
Peon

Posts: 3
Joined: 09/21/2012

A web search led to the solution and now I have the AMD AHCI driver working with the AMD SB700 chipset.

The solution was provided by linhtinh on the AMD forum and involves correcting an error in the amd_sata.inf file. The line below should not begin with a semi-colon.

;HKR, "Parameters\Device","AmdSataPMDisabled",%REG_DWORD%, 0xFF

Delete the semi-colon, save the modified INF file and install the unsigned driver from Device Manager.

For how to install an unsigned driver, see here http://www.howtogeek.com/167723/how...8.1-so-that-you-can-install-unsigned-drivers/

The modified driver must be installed from Device Manager in the following manner. Right click, update driver software, browse my computer for driver software, let me pick from a list of device drivers on my computer then browse to the correct folder and install. Reboot and done.

 12/09/2014 01:58 AM
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justtesting
Peon

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Joined: 03/07/2012

I hadn't the opportunity to test it, but in the 14.12 ahci drivers that came out today, there's something interesting in the release notes:

Revision History

1.3.001.0245

 

-     Fix the SB700 A12 boot hang issue if PM is enabled

Could this finally be the first driver to work since the 11.12s?

 

 12/13/2014 09:23 PM
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BuzzGUN
Peon

Posts: 16
Joined: 07/18/2009

14.12 works for me!

Motherboard: GA-MA790XT-UD4P

Windows 7 64-bit

 12/14/2014 11:23 AM
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justtesting
Peon

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Joined: 03/07/2012

Unfortunately there's a catch with this driver. On my SB750 while benching a drive I get abnormally high CPU usage on the System Interrupts process. Instead of ~0.2% (msahci) it goes over ~6% (amd_sata). No problem on SB850.



Edited: 12/19/2014 at 09:22 PM by justtesting
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