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Windows 7: sisoft sandra 2010 processor arithmetic benchmark


07 Apr 2010   #11

windows ultimate 7 64 bit
 
 

found my ram on a page and a guy was reviewing it playing with the timings so i adjusted them. OverClocked inside - Redaktion ocinside.de PC hardware page

timings set to auto (on cpuz) 9,9,9,24,33,2T
timings adjusted to what they should be 9,9,9,30,33,2T
overclocked 8,8,8,24,33,2T (as per what a guy tested them with on website)
overclocked 7,7,7,20,27,2T (as per timings table on cpuz)

ive already put up the before and after pics for changing the local policy now im attaching the original and the 2 overclocked results.

i couldnt find anything for the voltages in the bios unless its "memory over voltage" ? i didnt want to mess with that though incase it was putting voltage over and above what it already was. any thoughts on this?

is there anything else i could do ? i dont want to go mental overclocking but from what i originally had ive gained over 1% in efficiency.

is there any tests i should do to make sure its stable? i have sisoft sandra and cpuz and prime 95.




Attached Thumbnails
sisoft sandra 2010 processor arithmetic benchmark-original.jpg   sisoft sandra 2010 processor arithmetic benchmark-oc_8_8_8_24_33_2t.jpg   sisoft sandra 2010 processor arithmetic benchmark-oc_7_7_7_20_27_2t.jpg  
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07 Apr 2010   #12

Win 7 Pro x64/Win 8 Pro x64 dual boot
 
 

Well, it's supposed to be set at 1.5 Volts, according to Crucial's website. There's a Crucial support forum here:

Standard DRAM Memory - Crucial Community

You can usually bump up the voltage a little on your RAM. At least that's true of performance RAM. My sticks are auto set by the motherboard at 1.75 Volts, and that's just enough to get into BIOS and bring it up to spec so Windows will run properly. Most motherboards are conservative in their automatic settings.

I'd check in that forum to see if anyone else has the same problem. You can probably get away with upping the voltage slightly, but you never want to go over the maximum. Just take it up in small increments to the minimum level you need for stability. Less is more, as they say, and do your research before trying it out.

Memtest86+ is a good way of testing your RAM for faults. There's a link in the software section, in Brink's Free Software sticky.

EDIT. Just saw your post as I was writing this one. It's probably Memory Over Voltage in the BIOS. Keep in mind that if you tighten your timings (7-7-7 etc.), you often will need a slight voltage increase. Memory tuning is a bit of a science. Usually, the tighter the timings, or the higher the memory clock speed, the more voltage you need, and it is motherboard dependent. For example, my motherboard will not run my Mushkin 1066 sticks at 1066, no way, no how, no matter what. I'll burn them up over volting them before they'll get stable. It's not the RAM, it's the board.
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07 Apr 2010   #13

windows ultimate 7 64 bit
 
 

thanks for the info your help is appreciated i tried the voltage at 1.5 and it didnt like it it froze my system in windows so i thought ok and i tried 2 lower settings first 1.350 and 1.425v both failed to boot to post, luckily on my system if it does not boot to post i press reset then it will boot with defaults and tell you the problems.

in the end i got 1.515v with the timings as i left them before 7,7,7,20,27,2T i think im at a limit now i could try more voltage but i dont want to go to mad with it. i read somewhere this ram wont run above 1.5v so im assuming it wont go much higher and im guessing the setting im on now is probably what it was doing at auto as the lower ones failed and 1.5v failed. also i havent seen any ram of the sizes i have under cas latency 7 so i guess it probably wont go any lower now.

considering your problems with your ram maybe this is the same issue ive been having. i dont know just need to wait and see now.
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07 Apr 2010   #14

Win 7 Pro x64/Win 8 Pro x64 dual boot
 
 

If you relax your timings a little, like 8-8-8... or 9-9-9... it might be a little more stable. Instability can be caused by having the timings too tight. Benchmarks don't always show the whole picture, they only show specific performance. Sometimes, you have to tune for middle of the road to get the best overall performance. I wound up with very good performance by using aggressive timings and running the sticks slower than stock. Mine run at 972, not 1066, but the performance is much better.

Cheers.
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08 Apr 2010   #15

windows ultimate 7 64 bit
 
 

good point that i will look into that
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08 Apr 2010   #16

Win 7 Pro x64/Win 8 Pro x64 dual boot
 
 

Let us know how it works out for you, ok?
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09 Apr 2010   #17

windows ultimate 7 64 bit
 
 

considering its not any worse with tighter timings i feel its probably best keeping them as they are. i feel my problems lie with my processor now as i found a guy i know with exactly the same processor but the rest of his hardware is different to mine as an example his graphics are totally opposite, mine nvidia his ati. he is having the exact same problems as i am. im pretty sure its the processor driver either that or a bios setting. the processor driver is 2006 and windows 7 wasnt even out then so its not a windows 7 specific driver.

i think it also has a lot to do with us both using our computers several hours daily where as other people with the same processor may not use their computers as much and not see the problem.

as far as sisoft sandra testing goes though i feel the problem is now solved.
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09 Apr 2010   #18

Win 7 Pro x64/Win 8 Pro x64 dual boot
 
 

My PC at work has the exact same CPU and a slightly different ASUS board, with Nvidia graphics. Mine runs 24/7 with no issues at all.

Some thoughts on the crashing:

1. How long did you let Prime95 run?
2. Is there a specific thing you are running when the machine crashes?
3. Have you ever tested the memory with Memtest86+?

When I didn't have my RAM tuned up just right, my home machine would always crash after about 4 or 5 minutes of using Firefox. Guaranteed. It would also fail the Memtest. Tweaking the voltage and timings a little made it fine.

I'll look around about your RAM sticks and I'll see if I can find anything that might help.
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10 Apr 2010   #19

windows ultimate 7 64 bit
 
 

run prime for about 6 hrs in total
no theres not a specific time it crashes it crashes using several programs including office programs and adobe cs4 programs and browsing on IE and opera.

ive run memtest86 on 5 passes see attached pic

read my post here on my thoughts.... http://www.sevenforums.com/crashes-d...tml#post676108

oh and apparently my ram is compatiable with this board according to crucial when i looked for ram for my board the stuff i got was second on the list. see most of the time you get a list of ram (like in the mobo manual) but people tend to just buy the ram they want and hope it works, most of the time it does.


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sisoft sandra 2010 processor arithmetic benchmark-09042010-005-.jpg  
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