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Does the automatic trim really work ?
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11-09-2009 03:32 AM
Two weeks ago I have successfully updated the firmware of my brand new Intel X25 G2 80GB (to 02HA). I set the ICH9R to AHCI and then installed my brand new Windows 7 OS. I have checked that my ssd was using the MS AHCI driver. So according to Intel, everything was ok to make automatic trim work : 02HA firmware + MS ACHI driver + windows 7.
Two weeks after, all my softwares were installed on my ssd (10 GB are free now). I launched Crystal diskmark and I had only 30 MB/s for the "4k write". All the other tests ( 512 k read/write, sequential read/write and 4k read) were also a bit disappointed (but fortunately not as much as the 4k write).
So I launched the Intel SSD toolbox and ran the ssd optimizer (manual trim). And yes, after that, my ssd is like brand new : 70 MB for the 4k write... (the other values are also higher).
So, does the automatic trim really do its job ? How can I check that it is really active ?
39 REPLIES 39
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11-09-2009 11:07 AM
I have exactly the same experience with a Intel X-25M 160GB G2, FW: 02HA, Win7 64bit.
After the firmware update and running intel ssd optimizer for the 1rst time I had a score of 423 in AS SSD Benchmark:
Now after 10 days without running intel SSD optimizer I get a score of 335 in AS SSD Benchmark:
After I just run the intel ssd optimizer today, I get a score of 418 :
Same question as oplichta: Does the automatic trim really do its job ?
It looks like we need to run intel ssd optimizer in Win7 ?!
Some Links:
AS SSD Benchmark: http://www.alex-is.de/PHP/fusion/news.php http://www.alex-is.de/PHP/fusion/news.php
CrystalDiskMark/CrystalDiskInfo: http://crystalmark.info/?lang=en http://crystalmark.info/?lang=en
Note: CrystalDiskInfo says TRIM is enable after the firmware update.
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11-09-2009 11:47 AM
That is odd. What storage driver do you have? BIOS set to AHCI? Did you install Windows 7 with BIOS set to AHCI? What is the setting for your SATA ports in BIOS?
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11-09-2009 12:10 PM
I have standard Microsoft Win7 x64 driver V6.1.7600.16385 from 21-06-2006.
BIOS "SATA configuration: ENHACED" and "configured SATA as: AHCI" in ASUS P5B Deluxe Wifi (ICH8R).
Win7 was instaled with AHCI enable in BIOS and intel FW updade was done with AHCI enable after win7 was installed.
I deleted the "dayly_schedule_job" from intel ssd optimizer, but now I think we need to run it once a day as it was set by default after instalation.
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11-09-2009 12:39 PM
What are the choices in your BIOS for SATA ports? Enhanced and what else? Hmm...ICH8R just might be the problem.
You should not have to run the Optimizer with MS AHCI driver and BIOS set to AHCI. I have not seen any deterioration of performance using AS SSD tool to evaluate--and I have not used the optimizer.
