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Extremely low 4k writes

post #1 of 11
Thread Starter 
Heya. I was doing some benchmarks on my relatively new Crucial m4 SSD (about a month old) to see how it performed after various SSD tweaks I applied (ie disable superfetch, prefetch, Win 7 tweaks).






I installed Win 7 on it as an AHCI drive, then later changed to raid to enable my data drives as Raid 0. It's plugged into the Intel Sata III drive on the mobo. Latest 0009 firmware.


I have no clue why my 4k writes are so low. Anyone have an idea as to what's wrong or how to fix it?
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post #2 of 11
Thread Starter 
Annnd found the culprit. Somehow the "Write-caching policy" wasn't registering even though it was checked in device manager/disk/properties. Had to re-check it and reboot for it to register.

Updated screens:




Writes across the board improved with the fix.
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post #3 of 11
looks great
post #4 of 11
thanks for posting your fix, as I am getting this SSD and will check it out when I get it all installed. Now I just have to learn how to install it properly and update the Firmware.
post #5 of 11
Thread Starter 
Ya, it took me quite a few tries to get the install right.
I suggest installing the firmware first before doing anything as there is a possibility of causing problems with a fresh Windows install and your mobo settings. You can do it via usb drive. Also make sure it is AHCI mode before you begin your Windows installation. You can change it Raid afterwards with no problems (if your setting up a raid with your remaining HD's that is).

I also followed this guide:http://www.sevenforums.com/tutorials...tallation.html to help move the User and other folders Win 7 makes onto my other HD so I could keep my SSD clean as can be. I highly recommend it.

I can honestly say it took me about 5 fresh Win 7 installs to get everything right as this was my first SSD, but the results def. paid off =D
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post #6 of 11
I am basically wondering if once I install it can I still run programs off my other HDD or do I have to boot from that one anytime I want to do that? I will use steam mover if I can figure it out properly and then I am only going to install adobe photoshop CS5 and BF3 on the SSD. I want the speed of the SSD for photo editing then I will store them on the HDD.
post #7 of 11
Thread Starter 
Yes you certainly can. I currently only have WoW and Win 7 on my SSD with everything else installed on my raid drive. I will also be installing my Adobe suite and the upcoming BF3 on the ssd as well.

I basically have it setup like this :
C drive - my SSD; boot drive with Win 7 and few specific apps
X drive - my raid 0 setup with 2 WD blacks; most apps installed here
Z drive - my backup HDD for Windows and other backups

When following the guide I linked, you basically relocate the Users folder and ProgramData to your other drive so your SSD will only have Windows and whatever other applications you choose. If you don't want to go through that hassle - Steam Mover will work just fine for whatever specific apps you want to move.

Also one big thing to note - if you do decide to move your Users folder off your SSD and ever have to do a system restore or a bios/firmware update for the mobo or hd's you need to make SURE you go back into the bios before Windows loads up. Some Mobo's set the SSD back to AHCI mode which disables the RAID drives and Windows cannot find the /User folders which seriously screws everything up. I learned that that the hard way...twice =P. Ended up having to do a clean install all over again. The perks of moving the folders are huge (you save a ton of space on the SSD and you lighten the load of work it has to do)...we just have to be careful that Windows can always find them when it loads.
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post #8 of 11
I understood like three words in your post.lol I am very new to this stuff. No but really I am not going to do a RAID or was not planning on it anyway. I want to use my HDD as storage for photos and kep the games on it I dont really play much. I was not even thinking of moving any folders off the SSD. Should I? I hate reinstalling an OS so I am not looking forward to this but I really want to the SSD performance. You are right that Steam mover looks to be an easy way to move stuff around. I was hopin my girlfriends friend who is a computer nerd could hold my little hand while I do it.lol

Quote:
Originally Posted by Maniak View Post
Yes you certainly can. I currently only have WoW and Win 7 on my SSD with everything else installed on my raid drive. I will also be installing my Adobe suite and the upcoming BF3 on the ssd as well.

I basically have it setup like this :
C drive - my SSD; boot drive with Win 7 and few specific apps
X drive - my raid 0 setup with 2 WD blacks; most apps installed here
Z drive - my backup HDD for Windows and other backups

When following the guide I linked, you basically relocate the Users folder and ProgramData to your other drive so your SSD will only have Windows and whatever other applications you choose. If you don't want to go through that hassle - Steam Mover will work just fine for whatever specific apps you want to move.

Also one big thing to note - if you do decide to move your Users folder off your SSD and ever have to do a system restore or a bios/firmware update for the mobo or hd's you need to make SURE you go back into the bios before Windows loads up. Some Mobo's set the SSD back to AHCI mode which disables the RAID drives and Windows cannot find the /User folders which seriously screws everything up. I learned that that the hard way...twice =P. Ended up having to do a clean install all over again. The perks of moving the folders are huge (you save a ton of space on the SSD and you lighten the load of work it has to do)...we just have to be careful that Windows can always find them when it loads.
post #9 of 11
Thread Starter 
It's not a requirement to move the folders off the SSD. It just helps as far as saving space and workload on the drive.

I say don't worry about it if it gets you confused. Just install Windows on the SSD like normal and use your HDD for other stuff like you want. You can do other tweaks in guides listed on the site to help improve the speed of the SSD. You can install whatever programs you want on the HDD and not have to install it on the SSD as well.

As far as important things to do, first thing is to make sure your SSD is connected to your Intel Sata 6GB port. This is the tan colored Sata port in between the white and black one's on your mobo.

Try not to mess with the white Marvel ports as they are crap.


You should also make sure that in your motherboard bios your SSD drive is set to AHCI mode in the SATA configuration menu. There are 3 options that it can be changed to - IDE, AHCI, and RAID. AHCI is what you want before you install Windows. It's the first option on top in this pic: SATA Mode
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post #10 of 11
Very cool thanks a lot. If i have to update firmware though i am not supposed to use the 6gb ports correct?
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