- Oct 19, 2004
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I dont know really...setting Vcore at 1.6 or over seemed to make system unstable but after changing it around, i set it to 1.4-1.55V and ran prime and was surprised that it didnt crash for the first 3 hrs...I even Ran OCCT and everything was fine...now Im running at 274x10 @ 1.52Vcore and passed OCCT and now Im priming and will let it sit for another 8-10 hrs...good thing I never gave up on this cpu...phew!! thanks again for replies guys...and btw its weird that I only had to play around with Vcore in order to achieve a good 740 MHz OC... i just cant explained what really happened...
GuitarDaddy
Lifer
- Nov 9, 2004
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- Oct 19, 2004
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Ok ive found something weird...everytime I run 274x10....the CPU is rock stable...but when i try to set the memory to 1:1 devider so that it runs at 275 with 2.3-3-3-7 timings, prime AND OCCT fail....this is weird because I know my RAM IS guaranteed to hit PC4400 speeds at 2.5-3-3-7 timings...do you guys think it might be the mem controller??? im very confused now
hi x
what type of thermal paste and how did you apply it?
you can take offf your HSF and see if thermal paste is thin and even- no dry spots
case have good airflow?
did you "burn in" your memory?
ht at 3x for testing in the 270 HTT range?
you can try setting your memory to 3-3- etc 2t and then work the divider towards 1:1 one step at a time
once you get to max divider then start fiddeling with the timings
you could also try the 9x or 8x cpu ratios at the same cpu speed (htt will be greater) so set your HT back to 3x while you do this -which will give you different choices of memory speeds
use the overclocking calculator or sharpen your pencil
if there is a better way to do this someone speak up
remember cpu speed is much more important than ram speed
chipset and ram cooled?
you're at the point of fine tuning- take it one step at a time and make good notes
what type of thermal paste and how did you apply it?
you can take offf your HSF and see if thermal paste is thin and even- no dry spots
case have good airflow?
did you "burn in" your memory?
ht at 3x for testing in the 270 HTT range?
you can try setting your memory to 3-3- etc 2t and then work the divider towards 1:1 one step at a time
once you get to max divider then start fiddeling with the timings
you could also try the 9x or 8x cpu ratios at the same cpu speed (htt will be greater) so set your HT back to 3x while you do this -which will give you different choices of memory speeds
use the overclocking calculator or sharpen your pencil
if there is a better way to do this someone speak up
remember cpu speed is much more important than ram speed
chipset and ram cooled?
you're at the point of fine tuning- take it one step at a time and make good notes
I have a very similar setup. I actually used the OC'ing guide on Hard Forum. It seemed a little easier for me to understand.
I was totally confused as to how to test my memory, but I did test my CPU and FSB.
Here's what I ended up changing in BIOS:
CPU Freq 297MHz
CPU Multi 8.5x
Max Memclock DDR 2266 (2:3)
HT Freq down to 3x
To be totally honest with you, I'm not sure exactly what this did, but I ended up with a OC @ 2534Mhz. I'm pretty happy with it. I'm sure I could go a little higher if I messed with my RAM settings, but that's well over my head.
FWIW,
Aaron
I was totally confused as to how to test my memory, but I did test my CPU and FSB.
Here's what I ended up changing in BIOS:
CPU Freq 297MHz
CPU Multi 8.5x
Max Memclock DDR 2266 (2:3)
HT Freq down to 3x
To be totally honest with you, I'm not sure exactly what this did, but I ended up with a OC @ 2534Mhz. I'm pretty happy with it. I'm sure I could go a little higher if I messed with my RAM settings, but that's well over my head.
FWIW,
Aaron
- Oct 19, 2004
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I was using the AS5 but it was getting hot too so i thought id try the one that came from thermaltake.
yes i did apply an even coat without any dry spots.
yes i have an antec 120mm fan at 60 cfm as intake and another one as an exhaust...
i dont recall doing this but if you could give me a link to any software that does that would be great
definately
the xp90 is positioned so that it also blows air into Ram sticks..
I just can see why my cpu cant handle the Ram at 1:1 devider...again the RAM is guaranteed to hit 275 at 2.5-3-3-7 timings 1T but i just dont know....
wouldnt the 8.5 multi make the Ram run slower than you think?? i think i heard that using half multipliers kinda lowers your OC on Ram....correct me if im wrong
half multipliers do not work with all boards/ bios check a motherboard forum
everything else looks good
you'll have to run a benchmark to have a baseline
then try the cpu multiplier down to 9 and re-overclick first the cpu then the memory
i'M THINKING 300X9=2700 5:6 DIVIDER GIVES 240 MEMORY CLOCK
If your HTT goes 300
which benchmarks best
if ram ends up not 1:1 no biggie- it's always async anyway with x64
you may find you bench higher with tight timings and a divider than 1:1 with loose timing
guaranteed or not you may have to then isolate which ram timing is the problem
is there a g-skill forum?
what do others with your motherboard/ memory combo get-- lots of forums on DFI
do they have special bios or recommendations for g-skill?
everything else looks good
you'll have to run a benchmark to have a baseline
then try the cpu multiplier down to 9 and re-overclick first the cpu then the memory
i'M THINKING 300X9=2700 5:6 DIVIDER GIVES 240 MEMORY CLOCK
If your HTT goes 300
which benchmarks best
if ram ends up not 1:1 no biggie- it's always async anyway with x64
you may find you bench higher with tight timings and a divider than 1:1 with loose timing
guaranteed or not you may have to then isolate which ram timing is the problem
is there a g-skill forum?
what do others with your motherboard/ memory combo get-- lots of forums on DFI
do they have special bios or recommendations for g-skill?
- Oct 19, 2004
- 3,675
- 423
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well yah they have bios for TCCD Ram but again they are not bios that are good for every board but just for you...i have the 6/18s right now but i will try some other bios to see which ones are better for me...yes i have tried diff multi 9, 8, 7 but seems that mem controller is a lil weak but i will keep trying
GuitarDaddy
Lifer
- Nov 9, 2004
- 11,465
- 1
- 0
When overclocking memory at 1:1 on A64's it puts more stress on the CPU and requires more CPU voltage because of the onboard mem controller. Overclocking ram 1:1 almost always lowers your max CPU overclock unless you have unlimited vcore and better than air cooling.
Bottom line is that it is a damn good overclock
tweeking the memory might be fun but will not buy you much in real world benchmarks
did youever find out what the big breakthrough was?
nice series of posts
wyrmrider
let us know if gskill or the bios'es come up with anything
tweeking the memory might be fun but will not buy you much in real world benchmarks
did youever find out what the big breakthrough was?
nice series of posts
wyrmrider
let us know if gskill or the bios'es come up with anything
what bios you using?
i was using the 310 official but i got THOUSANDS of errors in memtest...
switched over to 615 official and errors disappeared...
try that...
i was using the 310 official but i got THOUSANDS of errors in memtest...
switched over to 615 official and errors disappeared...
try that...
to go further you are going to have to hack at the bios settings yourself or do a lot of research at the various DFI speciality forums - beware of hype
is there a g-skill forum?
looking good
Wyrmrider
is there a g-skill forum?
looking good
Wyrmrider
hang in there...
i am trying to do the same with my venice, its 2550 at 1.52 (reported in CPU-Z)
tweaking, tweaking it...
I am only trying to find the max clockspeed for this venice, will work on the ram lter
i am trying to do the same with my venice, its 2550 at 1.52 (reported in CPU-Z)
tweaking, tweaking it...
I am only trying to find the max clockspeed for this venice, will work on the ram lter
just a quick comment on the memory "burn in"
its TCCD there is no such thing as burn in with TCCD
burn in was only supposedly effective with winbond chips ie bh5, utt and so on.
2.9v on that LE stuff is about the best voltage for that for high overclocks.
if you got that chip and right away out of the box started OC'ing it and came here saying it wasnt working. I'm not surprised its taking a while to get more. take it easy overclock it for a few days and push it hard at that setting then go a little higher.
Technically with electronics there is no such thing as "break in" time. its gunna run the same way now or a year from now. they are not a type of an object that relaxes and breathes better over time. once you hook them up and make sure everything is good to go. If it wont OC it just isnt gunna OC stable.
Im having very similar issues with my 3500+ newcastle except for some gawd aweful reason my max HTT is 270. is it the board? is it the chip ? i have no idea but this ram should be cranking 290 easy and 310+ on a 9/10 divider(my last kit of ocz PC4000 el gold rev 2 ran 310@9/10 divider all day but this kit wont cuz the HTT limitation)
what other chips have you had hooked to that board ? what were your results then ?
its possible you damaged the ram or another component when you were handling them. (even if you wore a static strap your not guarenteed to be static free, and if you dont have a ground tester to test yourself for ground after putting on the strap then its like a 50% protection cuz you dont know if your grounded or not.)
at that high of an 2x htt multi is where you really wanna be to eliminate that as you already did.
going up to 1.7xv its highly possible you hurt that chip. thats not a voltage setting i would be using on air.
infact if your running 2700 on air count your blessings.
btw what are your temps running anyways?
im in the market for a venice so if you dump it let me know lol.
its TCCD there is no such thing as burn in with TCCD
burn in was only supposedly effective with winbond chips ie bh5, utt and so on.
2.9v on that LE stuff is about the best voltage for that for high overclocks.
if you got that chip and right away out of the box started OC'ing it and came here saying it wasnt working. I'm not surprised its taking a while to get more. take it easy overclock it for a few days and push it hard at that setting then go a little higher.
Technically with electronics there is no such thing as "break in" time. its gunna run the same way now or a year from now. they are not a type of an object that relaxes and breathes better over time. once you hook them up and make sure everything is good to go. If it wont OC it just isnt gunna OC stable.
Im having very similar issues with my 3500+ newcastle except for some gawd aweful reason my max HTT is 270. is it the board? is it the chip ? i have no idea but this ram should be cranking 290 easy and 310+ on a 9/10 divider(my last kit of ocz PC4000 el gold rev 2 ran 310@9/10 divider all day but this kit wont cuz the HTT limitation)
what other chips have you had hooked to that board ? what were your results then ?
its possible you damaged the ram or another component when you were handling them. (even if you wore a static strap your not guarenteed to be static free, and if you dont have a ground tester to test yourself for ground after putting on the strap then its like a 50% protection cuz you dont know if your grounded or not.)
at that high of an 2x htt multi is where you really wanna be to eliminate that as you already did.
going up to 1.7xv its highly possible you hurt that chip. thats not a voltage setting i would be using on air.
infact if your running 2700 on air count your blessings.
btw what are your temps running anyways?
im in the market for a venice so if you dump it let me know lol.
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