d9jnm overclock

[aerie]

umh i am testing a kit of g.skill with d9jnm.

i found i can bench @ 960 7-7-7-21 with 2,1v and fully stable 960 8-8-8-20 with 1,9v!!

but the problem is i cannot go more than 970 at any cas... i tryed 7 , 8 and cannot go higher 970 with any voltage also.

i have a R.E. there is something i can do to try ?
vNB i tryed up to 1,65v.

[CryptiK]

I would hazard a guess that you are at the limit of the ram, it is not renowned for overclocking at all. You should be able to do ~900 MHz at CAS 5, but more than that is not likely. Increasing CL to 6, 7 and 8 when at ~960 is just going to lose you performance compared to ~900 CL 5.

I'd invest in some more ram that overclocks better, DDR2 is quite cheap these days compared to back in the day.

[aerie]

LOL i was talking about DDR3 ^_^

[cadaveca]

try adjust skews in memory timings page.

[zanzabar]

I would hazard a guess that you are at the limit of the ram, it is not renowned for overclocking at all. You should be able to do ~900 MHz at CAS 5, but more than that is not likely. Increasing CL to 6, 7 and 8 when at ~960 is just going to lose you performance compared to ~900 CL 5.

I'd invest in some more ram that overclocks better, DDR2 is quite cheap these days compared to back in the day.

use this next time
http://www.micron.com/support/part_info/fbga/decoder.aspx

ur thinking of hnl/hnm

the jnm is the same chip as the jnl, so u should be good for a little more what board do u have, if ur x48 then 1.65V on the NB is low for that kind of benching

[jugeen]

before adjusting skew try to raise NB DDRVref, DDR3 ChannelA Vref, DDR3 ChannelB Vref one or two steps higher

[aerie]

rampage extreme motherboard!!
umh i dont have too much confidence with skew... someone can give me an example to adjust to try for my configuration ? ^_^
oh my IC's there's write D9JNL :)
i tryed up to 1,75vNB @ liquid cooling custom (not wb of rampage) but nothing
i will try with DDR ref but with csx diablo i dont need to push em.
what about skew?

[CryptiK]

LOL i was talking about DDR3 ^_^

use this next time
http://www.micron.com/support/part_info/fbga/decoder.aspx

ur thinking of hnl/hnm

the jnm is the same chip as the jnl, so u should be good for a little more what board do u have, if ur x48 then 1.65V on the NB is low for that kind of benching

LOL sorry it was late when I posted that I must have been half asleep. I even saw you had a R.E and still missed it :p:

[aerie]

ideas about how to set skews ?

[cadaveca]

Not on the same board, but I can say each channel should get different skew.

[aerie]

what are u talking about ??
i have rampage extreme, how can i set dram skews to try if its better ?? delay 150ps or adavance xxx ps ?? or ??

[cadaveca]

like I said, I have a different board.


skew on that board is easy to test, as you adjust either way, it will not boot, obviously midpoint is most stable.

[aerie]

channel A and B must be the same Skew or different?

[cadaveca]

possibly different, there may already be some offset between the two already in asus bios, I am not sure.

[aerie]

if someone with R.E. can give me some help with skew would be great ^_^

[hiwa]

pll : 1.55
Vtt: 1.35
strap to nb : 400
Dram :1800
7-6-5-18 1T
Vnb:1.54
Vcore : ??
Vdimm: 2.08 u can try 2.20max :yepp:
use the white slots and boot @ 600 X 6
i have ur same rams and can boot @ 630 X 6 without problem cpu@ Nirvana Nb stock aircooling with 80mm fan and 120mm for rams
620 Am3 stable all air ;)

[over@locker886]

pll : 1.55
Vtt: 1.35
strap to nb : 400
Dram :1800
7-6-5-18 1T
Vnb:1.54
Vcore : ??
Vdimm: 2.08 u can try 2.20max :yepp:
use the white slots and boot @ 600 X 6
i have ur same rams and can boot @ 630 X 6 without problem cpu@ Nirvana Nb stock aircooling with 80mm fan and 120mm for rams
620 Am3 stable all air ;)

Your D9JNM like 7-6-5-X ? Interesting.. But 2,2v no healthy for JNM..

[aerie]

pll : 1.55
Vtt: 1.35
strap to nb : 400
Dram :1800
7-6-5-18 1T
Vnb:1.54
Vcore : ??
Vdimm: 2.08 u can try 2.20max :yepp:
use the white slots and boot @ 600 X 6
i have ur same rams and can boot @ 630 X 6 without problem cpu@ Nirvana Nb stock aircooling with 80mm fan and 120mm for rams
620 Am3 stable all air ;)

this is not the problem :)
900 7-6-5 its easy with 2v ^_^

[hiwa]

Your D9JNM like 7-6-5-X ? Interesting.. But 2,2v no healthy for JNM..

with 7-7-7-21 and 2.10 ram got 2ghz :) 8m stable
jnm look like very good for rampge and my Ex evolution ;) as u tested too

[aerie]

7-7-7-21 2,1 1T ? my runs only 2T @ high freq. ^_^