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#1
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There is an awesome Blog about SSD's in general on MSDN that is good reading to help understand the basics.
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Support accounts and tickets can be created at https://support.corsair.com. Last edited by RAM GUY; 04-09-2010 at 07:06 PM. |
#2
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Ramguy,
Checking if trim is enabled worked flawlessly! Thanks, I was worried when I saw a scheduled defragmentation that trim was not enabled. Does the scheduled defrag seem correct for a recognized ssd? |
#3
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I have one system with 1 ssd and 3 regular hdds, and under the "last run" column it shows the date for the 3 hdds, but for the ssd it says "never run" even though the system has been up and running for some months now. I believe it uses the windows experience index score for each hard drive to determine whether or not it is an ssd and doesn't rely on things like trim (my case is a perfect example - I have an X64 in this system running the old non-trim firmware and Windows still knows not to defrag it). |
#4
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I did the test for TRIM and it appears to be working.
C:\Users\Owner>fsutil behavior query disabledeletenotify DisableDeleteNotify = 0 When I open Regedit and look at the value you mention to enable it, I find. Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msahci] "Start"=dword:00000003 If zero is really the proper value, how do I explain the difference in the results? Is there any way I can actually verify TRIM is truly working? |
#5
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I don't have a command named FSUTIL ?! it isn't working...
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#6
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ya gotta have it somewhere, i even have it in XP!! it's in your \windows\system32 folder
http://commandwindows.com/fsutil.htm
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Thinking about combining 2 or more sets of ram?? even the same part# is not suggested, recommended or supported. ![]() Last edited by Synthohol; 07-17-2010 at 10:31 AM. |
#7
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If not, your installation is probably corrupt. In that case, try running: SFC /SCANNOW
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#8
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ok I think i missed something. it works now
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#9
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i would like to add a point to this that i have found to be easiest and most reliable way to have/confirm TRIM is working;
Simply log off windows, also make sure all other users are logged off if multiple, and leave the computer idling for a couple of hours or overnight. i can physically see the difference in ATTO when i log-on again so for my system this is a confirmed way of having TRIM working the most effectively. I have seen this posted randomly, but i feel this method is a little "underestimated" :) Cheers, |
#10
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#11
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Hello, all.
I've got a P256 which is certainly faster than my original hard drive. My problem is that I'm using a Sony VAIO laptop - and there's no obvious way to flip AHCI on within the BIOS. (It's a Sony thing - this disabling of features like VT and AHCI). So - Even though I've set the registry and 'enabled' TRIM - without AHCI I'm toast, right? Any advice would be appreciated. Thanks! |
#12
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Get a different laptop?
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#13
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Occams Razor: popularly interpreted as "the simplest explanation is usually the correct(Best) one". Yes - a new laptop would be the answer.
Clearly, however, you are not aware of she-who-must-be-obeyed. I can get away with hours of putzing about but not a simple trip down to the Best Buy. ![]() Plan B: Get AHCI working "somehow". Anyone know how to flip that bit on a VAIO BIOS? (Assumes I NEED it to get TRIM working.) So the real question is; Will TRIM work ONLY if MSAHCI.sys is loaded? |
#14
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You have to have a driver that can pass the TRIM command AND have the controller AHCI mode. The newest Intel driver will pass the TRIM command (on Intel controllers of course) and the Microsoft driver will of course pass it. But, if you can't do AHCI mode on your controller, it's a moot point.
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#15
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FYI, the P series has its own garbage collection function which works at the controller level and is completely independent of the OS. So, not having TRIM is not the end of the world in this case.
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