Is the fix in the article 977323, the same as that mentioned in 974073?

I'm looking to correct some slowness on my AMD system based with AHCI enabled (Vista Ultimate 64, ASUS M4A79 Deluxe, 8 GB of RAM, 500 and 1 TB SATA disks)

After reading the two articles, they solve different problems.

974073: slows down due to journal entries deployed.
The update changes the Msahci.sys driver so that the driver does not call RecordExecutionHistory(), which is called repeatedly, as after each execution of the command. This copy activity may reduce the performance of the CPU AMD chipsets based because Msahci.sys saves entries whenever it is executed.

977323: 60 break when the AHCI driver detects no application i/o.
This problem occurs because of a race condition between the interrupt in the driver (Msahci.sys) AHCI handler and the disk device. Therefore, the AHCI driver does not detect some i/o requests are executed until the timeout Manager collects these requests 60 seconds later.

None of them appear to be specific AMD because Intel drivers listed for two patches.

You should read the articles carefully and only apply IF you are expereincing the particular issue described. You can look for problems with your Board from ASUS to see if this is a known issue.

I hope this helps Mark <> Microsoft Partner

Tags: Windows

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