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OMG...Just found out I have been running my SSD without TRIM!

post #1 of 9
Thread Starter 
I was 99% sure I installed the SSD correctly in ACHI mode (and checked in cmd that it was enabled), however when I was in my BIOS yesterday I noticed that it was in IDE mode.

This means that I have been running this drive for 16months or so without TRIM enabled.

Does this mean that I have ruined my drive? I have noticed performance dropping slightly, however it is still damn fast (have not tried any bechies though).

I know I need to reformat (might just upgrade to a 2500k), but do you think I have damaged my drive?
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post #2 of 9
Nope. Just do the windows IDE to AHCI registry edit, reboot, and change BIOS to AHCI, save and exit. There's a CMD command to check in TRIM is enabled but I don't remember it.
post #3 of 9
You drive is just fine, but it might have slowed down over time. You don't have to reformat. Follow this guide: http://www.sevenforums.com/tutorials...sta.html?ltr=A

Run AS SSD benchmark to check if are now running everything right. Post the screenshot here.

Quote:
Originally Posted by linkin93 View Post
Nope. Just do the windows IDE to AHCI registry edit, reboot, and change BIOS to AHCI, save and exit. There's a CMD command to check in TRIM is enabled but I don't remember it.
There is no way of checking if TRIM is actually working. Only if it's enabled in the OS. And most likely if he ran this command before he realized he was in IDE, it would still have said that TRIM was enabled.
post #4 of 9
As far as I am aware TRIM works just fine in IDE mode anyway, so you don't have to worry. It's often wrongly stated that it does not work in IDE mode.

http://www.overclock.net/ssd/747658-...-ide-mode.html
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post #5 of 9
Thread Starter 
Thanks for the replies guys, have some rep for your time and answers!

Seems its not as bad as I thought.

Trying the cmd, the pc reports that its running in TRIM mode, however it was the fact that ACHI was not enabled made me believe that it was not.

I will run a benchie when I get home to validate if its lost any performance.

Even with TRIM enabled will a SSD display slowdown over time on a single install?

Thanks again
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post #6 of 9
Quote:
Originally Posted by djglenn View Post
Trying the cmd, the pc reports that its running in TRIM mode, however it was the fact that ACHI was not enabled made me believe that it was not.

I will run a benchie when I get home to validate if its lost any performance.

Even with TRIM enabled will a SSD display slowdown over time on a single install?
As you have already worked out the cmd DisableDeleteNotify method of telling if TRIM is enabled just tells you that Windows is sending the command. The drive controller must be able to understand the command and pass it through to the SSD. Some older controllers didn't pass the command.

Finally the SSD will receive the command but it has to know what to do with it. All modern SSDs will handle the command fine. So actually checking that DisableDeleteNotify flag in windows is pretty pointless. It defaults to the correct value and is extremely unlikely to have been changed.

Since you've been running TRIM all this time I doubt you'll notice any significant slowdown. If you are worried you can encourage garbage collection to kick in by logging out and leaving your PC at the log in screen for a good few hours. I doubt this is necessary though given that you have been running TRIM.

You will get better performance by changing to AHCI mode though. You can do it without a reinstall using this Microsoft support article.
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post #7 of 9
Just to clarify, what is TRIM exactly?
   
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post #8 of 9
Quote:
Originally Posted by gerickjohn View Post
Just to clarify, what is TRIM exactly?
The easiest explanation is that Windows 7 will mark data for deletion for the drive. Without it, the drive relies on normal garbage collection which works good but is slower and therefore not as effective as trim.
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post #9 of 9
Quote:
Originally Posted by gerickjohn View Post
Just to clarify, what is TRIM exactly?
a feature found on Windows 7, designed specifically For SSD's, in so little words, enabling it keeps it running as fast as the day you installed it

TRIM makes any blocks within the SSD that are no longer considered to be used will be completely wiped from the SSD internally (almost like reformatting a very small part of a traditional HDD), keeping write speeds running at the maximum

http://www.windowsitpro.com/article/...-it-important-
    
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