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How to get your Kingston 40GB SSD to support TRIM - Page 23

post #221 of 285
Thread Starter 
Quote:
Originally Posted by Waterox View Post
After successfully followed all the steps and get windows 7 to see my SSDnow 40gb to support TRIM, I found out the bloody drive (bought from buy.com) is iaStor controller instead of meahci controller.

I already confirmed my drive as TRIM supported with DOS: ''fsutil behavior query disabledeletenotify'' returns 0.

However, the speed is pretty bad vs the SSDnow with meahci controller (based on the picture from Hotdog Storm quote)

Is there a way to switch from iaStor controller to meahci controller?
No. I am afraid the controller is hardware based..what you have is what you are stuck with kind of thing. Sorry mate
post #222 of 285
Quote:
Originally Posted by Waterox View Post
After successfully followed all the steps and get windows 7 to see my SSDnow 40gb to support TRIM, I found out the bloody drive (bought from buy.com) is iaStor controller instead of meahci controller.

I already confirmed my drive as TRIM supported with DOS: ''fsutil behavior query disabledeletenotify'' returns 0.

However, the speed is pretty bad vs the SSDnow with meahci controller (based on the picture from Hotdog Storm quote)

Is there a way to switch from iaStor controller to meahci controller?
disabledeletenotify thing only tells you that windows is sending trim commands to the SSD. This is enabled by default in win7 and does not mean your drive is trim capable. Please read the OP to enable trim on your drive and then test speeds (after it has been 'trimmed' for a while)
post #223 of 285
Intel Rapid Storage Technology recognizes the firmware on my SSD as 2CV102HD.

AS SSD Benchmark recognizes my SSD firmware as 2CV1 (iaStor controller).

CrystalDiskInfo also recognizes the firmware as 2CV102HD. So I'm pretty sure I flashed it right.

My SSD, with iaStor controller, does horribly on "4K" benchmark. It only gets half of what HotDog Storm posted. Is this normal? If not, how can I fix it?
Edited by Waterox - 9/5/10 at 2:09pm
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post #224 of 285
Thread Starter 
Quote:
Originally Posted by Waterox View Post
Intel Rapid Storage Technology recognizes the firmware on my SSD as 2CV102HD.

AS SSD Benchmark recognizes my SSD firmware as 2CV1 (iaStor controller).

CrystalDiskInfo also recognizes the firmware as 2CV102HD. So I'm pretty sure I flashed it right.

My SSD, with iaStor controller, does horribly on "4K" benchmark. It only gets half of what HotDog Storm posted. Is this normal? If not, how can I fix it?
Does Crystaldiskinfo state that TRIM is enabled on the drive though. Is the TRIM is bold black on the Crystaldisk program ?
post #225 of 285
Quote:
Originally Posted by ENTERPRISE View Post
Does Crystaldiskinfo state that TRIM is enabled on the drive though. Is the TRIM is bold black on the Crystaldisk program ?
It looks exactly like the picture you posted in the instruction:

S.M.A.R.T., 48bit LBA, APM, AAM, NCQ, TRIM

only APM and AAM is in fade color. The rest of them aren't really bolden black but clear.



edit: I just noticed my SSD is over 2000 hours usage lol maybe that's a reason why it not doing so good. I only wipe the drive once though. I was using the alternate fake TRIM before, combination of Diskeeper's solidate free space and a program that writes 1 on the free space.

Here are the results of the two test I took: (Left is what I got, Right is from HotDog)





As you can see the 4k write and read suffered terribly.
Edited by Waterox - 9/5/10 at 6:59pm
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post #226 of 285
Quote:
Originally Posted by Waterox View Post
Is there a way to switch from iaStor controller to meahci controller?
iaStor = Intel, msahci = Microsoft. You can revert back to msahci (default Microsoft drivers) by uninstalling the Intel drivers.

Did you trim your drive with Intel SSD Toolbox before testing the speed?
http://www.overclock.net/ssd/660723-...ssd-intel.html
post #227 of 285
I want to do this but don't want to mess up my SSD...damn.
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post #228 of 285
Quote:
Originally Posted by Telnet View Post
iaStor = Intel, msahci = Microsoft. You can revert back to msahci (default Microsoft drivers) by uninstalling the Intel drivers.

Did you trim your drive with Intel SSD Toolbox before testing the speed?
http://www.overclock.net/ssd/660723-...ssd-intel.html
Yup used Intel SSD toolbox to TRIM the drive a few times then test, TRIM a bit more and test... same result.

I guess I will have to live with this kind of crappy respond from my SSD.
Edited by Waterox - 9/7/10 at 7:30am
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post #229 of 285
Quote:
Originally Posted by Waterox View Post
Yup used Intel SSD toolbox to TRIM the drive a few times then test, TRIM a bit more and test... same result.

I guess I will have to live with this kind of crappy respond.
Did you already update the intel drivers to the latest 9.6 ?

You could try a secure erase.
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post #230 of 285
Quote:
Originally Posted by TheDreadedGMan View Post
Did you already update the intel drivers to the latest 9.6 ?

You could try a secure erase.
??? How do I update the Intel driver? So firmware and drivers are different lol.

I already secure erased my SSD couple of times already before installing this OS. Still got terrible results with 4k. I remember getting good benchmark numbers when I first bought it.

I just re-read my post "I guess I will have to live with this kind of crappy respond." I meant crappy respond from my SSD, not attacking anybody. I really appreciate your works Telnet. My brain went on vacation with that last sentence. I'm sorry if I offended you.
Edited by Waterox - 9/7/10 at 7:37am
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