ASUS P5N-E SLI 650i Thread

[TriBeCa]

yeah kopi, i've seen a couple other people that had trouble with platinums in this board. i did work out the problem, that's why you'll notice my system specs say i have corsair dominators now

But Neveziah's problem with the two DIMM slots with his 'unknown' RAM chips sounds exactly like the final round of the P5N-E v. OCZ Platinum match I refereed, when the Plat's finally got the P5N-E in a brutal DIMM-slot hold that resulted in a long-term injury for the P5N-E and lost it the match. :P

[dpawl31]

As for the 1:1 issue, I'd tend to agree that 1:1 is something to shoot for at all (ok, most) costs. But as long as you keep the divider issue in the back of your mind I don't see a reason to keep 1:1 for your whole OCing process. I was able to get 13:16 and 15:16 dividers no problem. I only ran into trouble when I tried to boot into what would've been a 31:32 divider, but since that was clearly a longshot it was no trouble to jump forward to 1:1.

Yeah, I am not saying 1:1 is NECCESSARY during the whole process. But to rule out dividers crashing your OC, running 1:1 while testing new settings is best.
Once you achieve highest CPU OC, then bump your RAM up to stock, or whatever gets you a good divider. Unless of course you go over your rated speed while overclocking, lol.

I'd say run sync till you get your highest OC, with stock timings and voltage, and 2T. Then try 1T, if it works, tighten timings.

[The Pook]

1) Do not run board 24/7 on the 1.748v NB voltage option, no matter your temps or cooling. Fine for those SuperPi and 3DMark benchies you want to run, but you'll be killing it slowly.

2) LDT Frequency is your friend for LGA775. Heard about HTT Frequency multipliers on AMD? Same deal with Intel - just NB -> SB instead of NB -> RAM/CPU like on AMD. Maintains a higher FSB without errors, and doesn't kill your performance much, if at all. (8x vs 1x = 22 points lower in 3DMark05)

3) More of a RAM suggestion - do NOT run past 2.2v without a fan blowing across your RAM. Not only will it makes your RAM last longer, it'll maintain a higher OC.

4) "Auto OC" on this board is fairly good - but often use too much voltage. If you use the auto OC, which I don't suggest, you can usually crank down the vcore by about .35-.55v, vDimm by about .15v, and NB to the 1.3/1.5v option depending on the OC.

5) Give the SB a cooler as soon as you can; even though it won't help OCing, really. Why then? Keeping your board alive is important, no? That extra 25C off the SB isn't going to terribly shorten the life span, but 3-6 months is 3-6 months more of OCN and OCing, is it not?

6) Do not use large heatsinks for the NB. Use "high rise" NB coolers, like the HR-05 SLI, since most large heatsinks for the NB won't fit between aftermarket CPU coolers/your video card.

7) Don't have to clear your CMOS! That is, if you have an on/off switch on your PSU. If you've OCed too far, you can still boot and the board will temporarily clear the CMOS until your next reboot or until you change the settings in the BIOS, whichever comes first. Simply turn the computer off when you know it won't be able post (through the switch on your PSU), turn it back on, wait for the green LED to turn back on the board, and quickly turn it back off and press the power button for your case. It will spin the fans for about a second, then shut off. (Power running through the computer, even though you turned the switch off.) Once it turns off again, flip the switch to on, and start again.

For the last one, easier instructions:
1) Turn off computer through the switch on your PSU.
2) Turn it back on, wait for green LED on mobo to turn on.
3) Quickly switch the switch to off, press power button.
4) Make sure fans briefly spin (and stop.)
5) Flip switch back on, press power, go into BIOS.



Good enough?

[dpawl31]

Originally Posted by The Pook

1) Do not run board 24/7 on the 1.748v NB voltage option, no matter your temps or cooling. Fine for those SuperPi and 3DMark benchies you want to run, but you'll be killing it slowly.

2) LDT Frequency is your friend for LGA775. Heard about HTT Frequency multipliers on AMD? Same deal with Intel - just NB -> SB instead of NB -> RAM/CPU like on AMD. Maintains a higher FSB without errors, and doesn't kill your performance much, if at all. (8x vs 1x = 22 points lower in 3DMark05)

3) More of a RAM suggestion - do NOT run past 2.2v without a fan blowing across your RAM. Not only will it makes your RAM last longer, it'll maintain a higher OC.

4) "Auto OC" on this board is fairly good - but often use too much voltage. If you use the auto OC, which I don't suggest, you can usually crank down the vcore by about .35-.55v, vDimm by about .15v, and NB to the 1.3/1.5v option depending on the OC.

5) Give the SB a cooler as soon as you can; even though it won't help OCing, really. Why then? Keeping your board alive is important, no? That extra 25C off the SB isn't going to terribly shorten the life span, but 3-6 months is 3-6 months more of OCN and OCing, is it not?

6) Do not use large heatsinks for the NB. Use "high rise" NB coolers, like the HR-05 SLI, since most large heatsinks for the NB won't fit between aftermarket CPU coolers/your video card.

7) Don't have to clear your CMOS! That is, if you have an on/off switch on your PSU. If you've OCed too far, you can still boot and the board will temporarily clear the CMOS until your next reboot or until you change the settings in the BIOS, whichever comes first. Simply turn the computer off when you know it won't be able post (through the switch on your PSU), turn it back on, wait for the green LED to turn back on the board, and quickly turn it back off and press the power button for your case. It will spin the fans for about a second, then shut off. (Power running through the computer, even though you turned the switch off.) Once it turns off again, flip the switch to on, and start again.

For the last one, easier instructions:
1) Turn off computer through the switch on your PSU.
2) Turn it back on, wait for green LED on mobo to turn on.
3) Quickly switch the switch to off, press power button.
4) Make sure fans briefly spin (and stop.)
5) Flip switch back on, press power, go into BIOS.



Good enough?

HOLY HELL POOK USED SMILEYS!

I always feel like you are in a bad mood because you never use "!" or

LOL..

Anyway, awesome tips. Only 2 questions:

• how'd you come about the 1.7v NB voltage being dangerous for 24/7?
• LDT Frequency... never knew what it was - teach me master Pook!

[TriBeCa]

/me reboots and sets NB voltage down 1.5x and tests it.

[The Pook]

Originally Posted by dpawl31

HOLY HELL POOK USED SMILEYS!

I always feel like you are in a bad mood because you never use "!" or

LOL..

Anyway, awesome tips. Only 2 questions:

• how'd you come about the 1.7v NB voltage being dangerous for 24/7?
• LDT Frequency... never knew what it was - teach me master Pook!

1) The specs of the 650i state that 1.6v is the max safe voltage...Asus had it up on their site for a while, but I can't find it anymore. ThaWaxShop and SDumper confirmed it for me, so thats enough proof for me. The site never mentioned if it'll quickly kill it or its a very slow/not noticble "death", but .13v won't do much for a NB, so I tend to believe a very slow death, hence the "OK for benchmarks parts."
2) Will do.


(Bad mood? Step up from an ass, I guess. )

[dpawl31]

LOLZ...

I am only @ 1.3 so I am ok. Then again I am stuck with a 14 multi, so im @ 265 FSB lol.

[dpawl31]

(Bad mood? Step up from an ass, I guess. )

hah! Me likey the new Pooky!

[The Pook]

Stuck? I wouldn't be complaining...I'm stuck with a x7.

(With a 477FSB roof, at that.)

Anywho.
If I ever get my modded BIOS to work right, I'll post it up.
Right now, enter the BIOS = freeze.
So I gotta stick with the ASUS made stuff for now.

[TriBeCa]

lowered to 1.5x, system hang after 4 minutes of orthos

i'm trying more vcore now, in the smallest possible steps.

any hints if this doesn't work?