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Crucial M4 64 GB- slow speed - Page 2

post #11 of 19
Quote:
Originally Posted by Jcoffin1981 View Post
I was a little afraid to run AS-SSD write function, so I just ran a simple HD-Tune instead. You can see the 231MB/s read speed that I'm getting.
Nothing to be afraid of
post #12 of 19
Quote:
Originally Posted by Jcoffin1981 View Post
I think (trying to remember) that I did a full format using Disk Management and then aligned the sectors offset for Windows 7. I just don't know what the variable is that is slowing the speed. I was getting 262MB/s in XP and am now getting about 12% slower speed in 7. I do virtually no writing to the drive after the initial app and OS installation, so I cannot imagine performance degrade. I will post a screenshot.
From what I know, doing a full format is not good since it writes to every single bit on the drive. You need to do an actual secure erase to zero it out and regain performance or let it sit and have garbage collection do it's job.
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post #13 of 19
Thread Starter 
There is no degrade in the write speed, only the read speed, and there has been plenty of idle time for GC to do it's job. According to "Performance Test 7.0," the write speed is 102 MB/s, which is exactly what I got when the drive was new. To be honest I do not think that that is the problem, but how does one go about doing a "secure erase?" My drive did not come with any software.

Could the problem be the native Win 7 AHCI drivers??
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post #14 of 19
Quote:
Originally Posted by Jcoffin1981 View Post
There is no degrade in the write speed, only the read speed, and there has been plenty of idle time for GC to do it's job. According to "Performance Test 7.0," the write speed is 102 MB/s, which is exactly what I got when the drive was new. To be honest I do not think that that is the problem, but how does one go about doing a "secure erase?" My drive did not come with any software.

Could the problem be the native Win 7 AHCI drivers??
I usually use Parted Magic to do a secure erase since I have a USB drive with it on hand. Once you get Parted Magic installed to a USB drive and boot it, go into the start menu, I think it's System, then Erase Disk. Choose the last option that says Internal Secure Erase or something similar. Then select your SSD and perform the function. If it says do you want to do enhanced secure erase, don't, since that won't actually write 0's to the drive, rather a random pattern that was designed to destroy data.

If you get an error where it says your drive is frozen, shut off the computer, unplug the SSD data cable, and start back into Parted Magic. Once at the desktop hot plug the SSD in and then try the secure erase again.
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post #15 of 19
Thread Starter 
Thanks for the info!
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post #16 of 19
Thread Starter 
Oh, just to give an update, it was the SATA drivers. Windows 7 installed the native drivers. I upgraded to the Intel RST and I got a nice little performance boost. I'll post a bench.... if anyone cares... lol.
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post #17 of 19
Do please post a bench, I'm curious myself! But ya the IRST drivers are a nice little boost in performance. But with Sata II I'd expect the speeds to be a bit on the lower end, time to upgrade!!!
post #18 of 19
Have you tried SSDLife? I'm new to SSD's so I don't really know what could be causing your issue, but it's worth trying SSDLife to see if it can see anything.
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post #19 of 19
Thread Starter 
Quote:
Originally Posted by crabby654 View Post
Do please post a bench, I'm curious myself! But ya the IRST drivers are a nice little boost in performance. But with Sata II I'd expect the speeds to be a bit on the lower end, time to upgrade!!!
This is in HD tune, which isnt ideal for SSD, but I like this program. I don't think I have the benches before and after in ASSSD. Actually I have the once from before I updated the firmware. I'll post that too.


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