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Windows 7: Trim, SSD and Windows 7 - not necessary?


23 Nov 2010   #1

Windows 7 Panasonic CF F9 (used to have CF F8)
 
 
Trim, SSD and Windows 7 - not necessary?

"TRIM was introduced soon after SSDs started to become an affordable alternative for traditional hard disks as permanent storage in PCs."

According to wikiepdia -

Do you need to add TRIM when installing a fresh SSD and Windows 7?

Thanks


My System SpecsSystem Spec
.

23 Nov 2010   #2

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
 
 

No.

Windows 7 will automatically turn TRIM on if the SSD is TRIM capable.

Last paragraph.
"Operating system and SSD support"
http://en.wikipedia.org/wiki/TRIM

There is also a way to check and make sure it is on. I'll see if I can find that for you.
I can't seem to find it right now.

Mike
My System SpecsSystem Spec
23 Nov 2010   #3

Windows 7 Panasonic CF F9 (used to have CF F8)
 
 

Thanks -
My System SpecsSystem Spec
.


23 Nov 2010   #4

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
 
 

Looks like Hopalong cant find it so here it is.

Run Command Prompt as Administrator and change directory to C:\Windows\system32, then type:

fsutil behavior query disabledeletenotify

The result will be one of the following:-

DisableDeleteNotify = 1 (Windows TRIM commands are disabled)
DisableDeleteNotify = 0 (Windows TRIM commands are enabled)
My System SpecsSystem Spec
23 Nov 2010   #5

win 7 X64 Ultimate SP1
 
 
Trim

Open an elevated Command Prompt (run as admin) and paste this command into the Command Prompt window:

fsutil behavior query DisableDeleteNotify

If Command Prompt returns a 0 (zero), your drive supports TRIM and it is enabled.
If it returns 1 (one), the file system has disabled TRIM for your drive. This means your drive's controller does not support TRIM.

From an earlier post by WHS

Way too late, everyone beat me too it.
My System SpecsSystem Spec
23 Nov 2010   #6

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
 
 

lister

I knew someone would find it for you.

Mike
My System SpecsSystem Spec
23 Nov 2010   #7

Windows 7 Panasonic CF F9 (used to have CF F8)
 
 

as usual amazing support thanks guys.

In fact I do have TRIM and it is enabled using the above advice.

I am shortly going to install/replace the drive with an SSD drive - I guess this TRIM will activate itself again?
My System SpecsSystem Spec
23 Nov 2010   #8

 
 

Yep
My System SpecsSystem Spec
23 Nov 2010   #9

Windows 7 Home Premium
 
 

Correct me if I'm wrong, but doesn't the DisableDeleteNotify command only reveal that the OS is sending the TRIM command, not necessarily that the SSD is TRIM capable and receiving the command?
My System SpecsSystem Spec
23 Nov 2010   #10

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
 
 

Yukon

I beleive you are right.
Capability will be listed by manufacturer and buyer should find out ahead of time if it is a feature they want.

Mike
My System SpecsSystem Spec
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 Trim, SSD and Windows 7 - not necessary?




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