mitunchidamparam

Distinguished
Jan 14, 2012
192
0
18,690
Hi guys,
Thanks to your help I finally got a SSD for my laptop and it works like charm.
The SSD is a OCZ petrol 128 GB.
My laptop has a SATA 1 connector.
In the below link I have a benchmark of my SSD compared to my HDD.
https://picasaweb.google.com/117865179184096338440/OCZPetrolSSDHDD?authkey=Gv1sRgCJvNmqu1zrbD2wE
My SSD gives me such a awesome perfomance as you can see.
My question , I read in review sites TRIM increases perfomance of SSD over time , but I dont know how to enable it.
In my BIOS I have seen that the sata has a option called ASH(?) , I dont really know what that does.
I would be thank ful if you guys have any tips about TRIM or other stuff for a SSD.
Thank you
 

mitunchidamparam

Distinguished
Jan 14, 2012
192
0
18,690

I have windows 7 ultimate 64 bit.
So how do i know that it is working.
 
TRIM is a Microsoft Windows feature that was introduced in Windows 7. It is a message from Windows to the ssd indicating that data has been deleted. The Windows TRIM feature compliments the ssd's own garbage collection process.

The Windows TRIM feature is enabled by default. You have to go in and go through a series of steps in order to disable the Windows TRIM feature. If you did not go in and disable it on purpose, then the Windows Trim feature is enabled.

Here is how to determine if Windows TRIM is enabled:

Open Command Prompt with Administrative privileges (Run as administrator) and enter the follow command:

fsutil behavior query DisableDeleteNotify

If the result is '0' TRIM is enabled.

NOTA BENE - Even if TRIM is enabled in Microsoft Windows 7 that does not necessarily mean that an ssd will recognize and use the Windows 7 feature. For example, some old ssd's do not recognize TRIM. Old versions of Microsoft Windows do not have the TRIM feature. Some configurations such as ssd RAID arrays do not recognize TRIM. Instead, these situations rely on an ssd's own garbage collection process. Modern ssd's do an excellent job of garbage collection without the Windows TRIM feature.
 
I seem to recall several interesting articles about the Microsoft Windows TRIM feature and ssd performance degradation. I think one of the hardware review sites ran a series of tests or benchmarks with TRIM enabled and TRIM disabled and then compared the difference. The problem is that information is old. Modern ssd's have excellent garbage collection that works very well without Windows TRIM.