Cruicial M4 0009 Firmware Update

Soldato
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http://www.crucial.com/support/firmware.aspx

Release Date: 08/25/2011
Change Log:

Changes made in version 0002 (m4 can be updated to revision 0009 directly from either revision 0001 or 0002)
Improved throughput performance.
Increase in PCMark Vantage benchmark score, resulting in improved user experience in most operating systems.
Improved write latency for better performance under heavy write workloads.
Faster boot up times.
Improved compatibility with latest chipsets.
Compensation for SATA speed negotiation issues between some SATA-II chipsets and the SATA-III device.
Improvement for intermittent failures in cold boot up related to some specific host systems.

Not my Benchmarks but performance seems to be up a fair bit.

Before
crystalm4002.jpg

asssdm4002.jpg


After
cryatalm4009.jpg

asssdm4009.jpg
 
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i got my 128gb M4 yesterday and updated it straight to the 009 firmware but iam only getting around 300 mb/s read speeds using my marvell controller on my evga x58 sli3

The Marvell controller is horrible, you need a Sandy Bridge setup to get full use out of SATA 3 drives.
 
Most Sandy Bridge motherboards have 2 SATA 3 ports that are an Intel controller, 4 SATA 2 that are an Intel controller and then 2 SATA 3 ports that are a Marvell controller. Saying that there's no point wasting one of your Intel SATA 3 ports with a mechanical HDD because they aren't fast enough to make proper use of the interface.
 
I purchased the 64gb version after my vertex 2 gave me a bsod !
I have updated the firmware on the day i received the ssd. My write speed does not seem to be around 180 -200 that most people are getting, i am on around 105.
Read speed is around 514.

Any ideas what is with the slow write speeds?

Those speeds are normal for the 64GB drive.
 
Why are the seq write times so slow?

my spinpoints seq's are faster than that

64GB drives have less channels, so writes are slower.

With trim, how long before performance on these drives starts to degrade? Seems a bit of a major negative for SSD's if you ask me. What do you need to do to restore performance? A reinstall of windows?

With TRIM performance won't degrade, that's the whole point of TRIM.
 
I know TRIM is supposed to reduce degredation. But I didn't think it stopped it altogether?

Drives with proper TRIM support, such as these Crucial drives will have a very small performance degradation compared to a fresh drive, you honestly don't have to worry about it.

If you look at this review of the new firmware on Anandtech you can see after TRIM has done its magic that performance is good as new.

http://www.anandtech.com/show/4712/the-crucial-m4-ssd-update-faster-with-fw0009/6
 
Why are my read speeds down compared to most and my write speeds higher than others? I'm guessing it could be due to the size of the drive but surely I should still see 500MB/s+ Read?

This is a 240GB M4 that came with 0009 already on it.

OZo3u.png

Power saving/CPU clock speed can make a fair amount of difference to SSD speeds, I was getting similar read speeds to you until I clocked my CPU to 4.4GHz now I get the following.

clipboard01tl.png


If I disabled power saving I'd likely get another small bump.
 
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