memory timings

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InspectahACE
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memory timings

Post by InspectahACE »

i got a 2gb kit of patriot ddr2-800 ram timed at 4-4-4-12...but cpu-z sees it at 5-5-5-15...i manually set it to the 4-4-4-12..but the system gets unstable so i left it at auto..im at a loss here...i was thinkin its the mobo since it was the only piece in my system that wasnt more than $150...but im not gonna keep that assumption since cost isnt always the factor of somethin wrong lol..any ideas?
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kenc51
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Post by kenc51 »

What memory voltage have you set?
Try 2.0v and see how that helps! If it doesn't, try adding .1v more to the chipset (MCH).
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dgood
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Post by dgood »

isn't there something about running intel chips that you can't get the ram to do cas 4? and only can with amd chips, thats the only real advantage to getting an amd chip at the moment. Because the Amd chips have a better memory controller, or something like that. correct me if i'm wrong.
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InspectahACE
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Post by InspectahACE »

its set at 1.85v...i left the pc on runnin on 4-4-4-12 manually..havent seen the rig go down yet..but i havent been home to see it lol...so far so good...if it goes..ill try that 2.0.v ....i was startin to wonder if it was undervolted..thanks:)..will keep ya'll posted on it..thanks again
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InspectahACE
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Post by InspectahACE »

wtf lol..i set the voltage to 2.0 and manually set the ram at 4-4-4-12 for $hits and gigglez..and now i see in cpu-z that it ssayin the timings are at 3-4-4-20 with 2:3 divider it looks like...arghhh
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Post by SAMSAMHA »

you need to make srue taht the voltage matches what the ram's specs. If you cant get it to work well, try to update the bios.
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Post by InspectahACE »

they at the voltages Patriot says they should be at..(2.2v) set it at 4-4-4-12 again and its still showin 3-5-5-20.....couldnt find a bios update tho :/
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Post by kenc51 »

Are you manually setting the timings after you set the voltage?
Try setting the timings to SPD settings, then reboot back into the bios and set them manually.
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Post by InspectahACE »

yes i manualyl set them after i set the voltage..but i am a lil confused on what ya mean by settin them to SPD settings tho
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Post by kenc51 »

InspectahACE wrote:yes i manualyl set them after i set the voltage..but i am a lil confused on what ya mean by settin them to SPD settings tho
SPD is using the bios default settings!
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Post by InspectahACE »

thats what i figured after i signed off to look...sorry lol.i did what ya mentioned kenc..but its still not lookin like its doin it...i took these screen grabs to show what cpu-z says to show if im doin anythin wrong from it if possible

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Post by InspectahACE »

well after more digging..i found that the SPD timings are intially 5-5-5-15..but says they were tested at 4-4-4-12 at 2.2v and after adjusting the timings manually im still comin up at 3-4-4-20...which looks better but i dunno lol damn it...im sure its not a real big issue..but it bothers me that i paid $250 for this kit to run at 4-4-4-12 and im not gettin it..
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Post by kenc51 »

InspectahACE wrote:well after more digging..i found that the SPD timings are intially 5-5-5-15..but says they were tested at 4-4-4-12 at 2.2v and after adjusting the timings manually im still comin up at 3-4-4-20...which looks better but i dunno lol damn it...im sure its not a real big issue..but it bothers me that i paid $250 for this kit to run at 4-4-4-12 and im not gettin it..
3-4-4-20 is better than 4-4-4-12!!!!
Check your bios for TRAS and change that to 12 your currently at 20
TRAS doesn't give much performance, but CAS does!
Are you planning to OC the ram past 400? If so, change the CAS to 4 (currently on 3)
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Post by InspectahACE »

well then lol..the TRAS has been set at 12 in the bios the whole time so why its 20 ill never know...im not plannin on OC'ing anytime soon..just was weirdin out why the sticker on the ram an all say those timings but wasnt gettin them...anyhow...kenc..ur the man..you've helped me out alot..thanks:)
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Post by kenc51 »

InspectahACE wrote:well then lol..the TRAS has been set at 12 in the bios the whole time so why its 20 ill never know...im not plannin on OC'ing anytime soon..just was weirdin out why the sticker on the ram an all say those timings but wasnt gettin them...anyhow...kenc..ur the man..you've helped me out alot..thanks:)
NP.
But you should try lowering the TRAS anyway! If it doesn't set to 12, try around ~14. But even then I doubt you'll see any improvements.......mayby ~8mb/sec in Sandra benchmarks :mrgreen:
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Post by InspectahACE »

ill give it a shot..maybe not much improvment but long as its stable lol..it will make it look better anyway..:P.thanks again :)
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Post by InspectahACE »

i do think its the mobo though(either that or somethin lol)....i was just messin around...i put the TRAS at 14 in the bios and it went up to 22 in cpu-z...so i figured id try somethin and go way below in the bios..the bios let me go down to 4 on the TRAS...and now cpu-z says i got 3-4-4-12 at 800 mhz ddr2....now...so far its stable LOL...whether how much better who knows..but if it doesnt hurt the ram at stock speeds then im all for it...im just glad it works at the timings u helped me with ken :)
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Post by kenc51 »

Your welcome......I'm glad you got it sorted!
But that's just cazy :rolleyes:
But as you said, if it's stable......who cares?
You should run "Orthos" blend test for a while to be sure it's stable
http://www.techpowerup.com/downloads/385
also 2x instances of superpi 32M tests
http://www.xtremesystems.com/pi/

Ken
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Post by InspectahACE »

yea it is crazy..had to do a lil math to see what i would get lol...hate math..but ill run those tests to make sure...never really tested this new rig to see how it is..i know it eats games and movies and whut not alive..but never ran it thru a test :)
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Post by InspectahACE »

hehe no game liked those 3-4-4-12 timings lol..oh well..least i know what it can do :)
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