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post #3581 of 5733
Actually IDE mode does hurt performance alot. wink.gif

http://www.sevenforums.com/tutorials/61869-ahci-enable-windows-7-vista.html

Edit: He beat me too it smile.gif
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post #3582 of 5733
So... I just bought a Samsung 840 Evo 250GB like 2 hours ago. Got everything set up and running and manually did all the optimizations for Windows 7 on a fresh install.
Since I have two WD disks in Raid 0 and since supposedly Raid drivers are compatible with AHCI I left it at that.
But the Samsung software doesn't detect my SSD nor does the Crystal Mark.
Ran a bench with AS SSD and here are the results

The write seems to be correct but the read slowly decays in the 4k-64 to those values, anything I should be worried about?
It's way faster than it was before thats certain.
Edited by Tokkan - 1/6/14 at 5:53am
post #3583 of 5733
You have a 31.25GB drive? (GB = GigaBYTE, Gb = GigaBIT) tongue.gif 4k-64 speeds look to be about half of what is expected from that drive. Odd. Not sure how to fix it. I wouldn't worry about it if you can't fix it, but try to at least.
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post #3584 of 5733
Quote:
Originally Posted by CynicalUnicorn View Post

You have a 31.25GB drive? (GB = GigaBYTE, Gb = GigaBIT) tongue.gif 4k-64 speeds look to be about half of what is expected from that drive. Odd. Not sure how to fix it. I wouldn't worry about it if you can't fix it, but try to at least.

Fixed the GB lol.
Drivers are okay, it is on the AMD chipset, all the other results seem to be arround the expected values except that specific one so I guess I'll ignore it for now. Got 3 years warranty so its plenty of time
Got 3 more drives on it too so Idk.
post #3585 of 5733
Quote:
Originally Posted by Tokkan View Post

So... I just bought a Samsung 840 Evo 250GB like 2 hours ago. Got everything set up and running and manually did all the optimizations for Windows 7 on a fresh install.
Since I have two WD disks in Raid 0 and since supposedly Raid drivers are compatible with AHCI I left it at that.
But the Samsung software doesn't detect my SSD nor does the Crystal Mark.
Ran a bench with AS SSD and here are the results

The write seems to be correct but the read slowly decays in the 4k-64 to those values, anything I should be worried about?
It's way faster than it was before thats certain.

I've got the same setup as you. I get the AHCI mode not enabled thing in Samsung Magician.
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post #3586 of 5733
Quote:
Originally Posted by MiiX View Post

If you diddnt install the OS with AHCI enabled you have to enable it:
Error message occurs after you change the SATA mode of the boot drive

Quote:
Originally Posted by garikfox View Post

Actually IDE mode does hurt performance alot. wink.gif

http://www.sevenforums.com/tutorials/61869-ahci-enable-windows-7-vista.html

Edit: He beat me too it smile.gif

Running windows 8.1, those registry entries don't exist.
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post #3587 of 5733
Quote:
Originally Posted by wierdo124 View Post


Running windows 8.1, those registry entries don't exist.
Okay, then take a look here: http://answers.microsoft.com/en-us/windows/forum/windows_8-hardware/problems-changing-from-ide-to-ahci-in-windows-8/6ffe9fa6-84bd-4da1-b88d-620d1237bf9f
I think the last post made is working. atleast the reg values are there.
post #3588 of 5733
Count me in! Got an 830 (25% full, OS only, 3tb written. Used to have a few games on it.) in December 2012 and got the 840 Pro (70% full, games, 0.30tb written) in December 2013.

post #3589 of 5733
Anyone know why my boot time, using boot racer, is 35 seconds with an 840 Pro? That seems incredibly slow. AHCI is enabled and everything.
post #3590 of 5733
How about on an HDD? wink.gif Is there an option to disable the BIOS screen from appearing? I don't recommend it but that can add some time to POSTing.
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