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Low benchmark results with X25-M G2 160GB

A

aatf510

Golden Member
Updated a next to new X25-M G2 160GB yesterday with the brand new Intel firmware (02HA).

Installed the drive as a secondary (D drive). Deleted the existing partition on the drive. Made a new partition and formatted it.

Ran AS SSD Benchmark and got rather poor results. A "69" read score!
Screenshot to AS SSD Benchmark results

I decided to install Win 7 on the drive itself and do the test again. Rebooted into Window 7 installation and make brand new partitions again on the X25. After Windows 7 installation, I didn't bother installing any drivers. The only thing I did was installing the Intel SSD toolbox and ran TRIM against the drive.

Ran AS SSD Benchmark again and received the same results.

It seems that my 4k-64Thrd being 23.75MB/s is extremely low.
According to legitreviews, they are getting around 150MB/s for 4k-64Thrd.
Legitreviews' numbers

Yes. SATA mode is set to AHCI. (Otherwise Windows won't boot...)

Any ideas?
 
Those look like Intel Matrix Storage Manager numbers. I know that at least certain versions (or all) of IMSM disable NCQ under Windows Vista or 7. If you are using IMSM, you may want to uninstall and revert to the original Microsoft drivers and see.
 
I don't think I have installed Intel Matrix Storage Manager drivers though because the test was performed 5 minutes after a fresh Windows 7 install. I didn't even bother installing any drivers (e.g. Intel, Nvidia etc.) The only things on the SSD are 1) Fresh Win 7 Pro installation, 2) Intel SSD Toolkit (for running TRIM), 3) AS SSD Benchmark.
 
Either way, NCQ is not enabled. Perhaps check to see if you have the latest chipset drivers? Update your BIOS? I heard nForce chipsets in general don't support AHCI properly (i.e no NCQ).
 
Thanks for the reply, jimhsu.

My motherboard is ASUS P5Q Pro (P45/ICH10R), and I didn't even install chipset driver at that point.

Is there anyway to check if NCQ has been enabled?
 
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