**Official ABIT IP-35 Pro Review/Overclock/Guide Thread**

[EnJoY]

You might try a little more voltage on the MCH. At least on my board, when I up the voltage cpu temps and pwm temps seem to go down, also the 3.3 and 5V rails seem to go up. Odd but I'm still playing with uguru and watching my volts / temps to see what affects what. FWIW my MCH is set at 1.41 and is being reported at 1.42, and I'm running 4GB of ram. I have had my MCH as high as 1.56 and all it seemed to do was create heat for me.

Well technically that makes sense. Increasing vcore and other voltages should make the PWM's job easier as it has less conversion to do.

[scorpion]

Keetha3,try this vcre1.50to1.51 mch 1.48 cpu 1.27 icho 1.65 you might bringyour mem volts up.

[steve30x]

You could try upping the MCH voltage some.

I personally gave up on 3.6Ghz today. 3.5Ghz seems to be super stable so far. 7C cooler on CPU and 6-8C cooler on the PWM without even reducing the voltages I used for 3.6Ghz.

Thanks for the tip Keetha. Ill try that in a bit. i think it may also have been my windows install didnt install properly a few days ago so I am just after reinstalling my homebrew XP with most of the programs I need. Just need to sort out a few settings first.

[scorpion]

sorry post was ment for steve30x, scorpion!

[Keetha3]

Keetha3,try this vcre1.50to1.51 mch 1.48 cpu 1.27 icho 1.65 you might bringyour mem volts up.

I've already tried higher than that. VCore 1.5650, MCH 1.64, VTT 1.31, ICHIO 1.70... Mem volts as high as 2.2250.

I just think my processor or board can't do 3.6Ghz.

[steve30x]

You might try a little more voltage on the MCH. At least on my board, when I up the voltage cpu temps and pwm temps seem to go down, also the 3.3 and 5V rails seem to go up. Odd but I'm still playing with uguru and watching my volts / temps to see what affects what. FWIW my MCH is set at 1.41 and is being reported at 1.42, and I'm running 4GB of ram. I have had my MCH as high as 1.56 and all it seemed to do was create heat for me.

Thank you also for your tips. Will try all those settings ASAP.

BTW I am using OCCTP for stress testing the CPU. When I run 2 instances of Orthis (Dual prime95) one instance fails while the otherr keeps running but when I run OCCT my computer reboots without any warning.

Keetha3,try this vcre1.50to1.51 mch 1.48 cpu 1.27 icho 1.65 you might bringyour mem volts up.

Thank you too. Ill give those settings a try. I already have my ram @ 2.3v and 1:1.

[TMonte]

few little bugs, nothing major

heres my best with the 8400 so far:
http://valid.x86-secret.com/show_oc.php?id=303790

vcore? cooling?

[steve30x]

Ive tried your suggestions guys but I cant get this thing stable at 3.8ghz. It will boot up @ 4.05ghz but wont go into windows. @ 3.8ghz the machine reboots 1 minute into stress testing. I am now about to test 3.6ghz with 4 instances of prime95.

[scorpion]

keetha3 how much ram do you have and whats the stock voltage

[scorpion]

Tmonte, nice

[Keetha3]

keetha3 how much ram do you have and whats the stock voltage

Well, I had a bad stick and returned some... So right now I have only 2GB. Stock is 2.0V, running at 2.2V.

[scorpion]

try bumbing your voltage to 2.50 and backing down on others, iam running ddr800 2.175 .

[silverphoenix]

I don't know about you guys but I've noticed after 3.5ghz my G0 requires a significant more amount of voltage than what was required before 3.5.

[Keetha3]

try bumbing your voltage to 2.50 and backing down on others, iam running ddr800 2.175 .

I'll try cuz I'm desperate, but I'm running PC8500 (1066) rated at 2.0V... It's already at 2.2250v and running at around 1000. Shouldn't be the issue.

I don't know about you guys but I've noticed after 3.5ghz my G0 requires a significant more amount of voltage than what was required before 3.5.

That's exactly the point I'm at. G0.... runs perfect at 3.5 and decent voltage... semi-stable but not really at 3.6 and tons more volts across the board.

[scorpion]

your wright shouldn't not be the issue. my rated v1.8 you see what iam running at this is slight oc 960.

[tripleflip18]

Just purchased a new CPU, motherboard and ram from my local Microcenter that had a deal going on. First got an Asus P5K vanilla board that worked great for about 5 days before it started throwing up windows errors and eventually got to a no post state... Never came back from that, so the next day I went back to Microcenter and exchanged for the IP35 Pro, I have much higher hopes for this board. (Maybe at least a year or two...)

Anyways, I've done lots of overclocking on the AMD side of things, but I haven't had an Intel to overclock since the Celeron 300A days.

I'm wondering what people's experiences have been with the 16 beta bios and the E8400s on the IP35 Pro? I am currently running the 14 BIOS and even though the bios reports CPU temps wrong, other applications are able to report it correctly.

I am going for a mild 4ghz overclock with this CPU and it seems to take a bit of voltage to get it there. Setting 1.5250 in the BIOS gives me a 1.44 at idle in windows, 1.40 under full load. Is the beta 16 bios any better at attaining stability while overclocking the 45nm cpus? Also, can I be sure the voltages I am seeing currently are accurate on the VCore, anyone compared between the 14 and 16B03 / 16B04 bioses?

I am just a little hesitant to flash the latest bios because of a few problems I've heard here and there with regards to memory compatibility and the memory I've got is NOT good overclocking memory. Bought it because for $75 at a store 4GB is tough to ignore, and besides I just want 4ghz and leave it at that.

I have a few questions on voltages, was wondering what the ideal voltages would be for this E8400 with a FSB of 446? I currently have the following voltages:

VCore = 1.5250 bios ~1.45 idle - 1.41 load
MCH = 1.25 bios ~ 1.26-1.27 idle/load
CPU VTT = 1.23 bios ~ 1.25 idle/load
ICH = 1.12 bios ~ 1.14 idle/load
ICHIO = 1.50 bios ~ 1.53 idle/load
CPU GTLREF 0&2 = 59%
CPU GTLREF 1&3 = 60%
DDR2 REF = +2%
DDR2 = 2.100 ~ 2.10 load/idle

I was wondering what CPU GTLREF is ideal for this CPU and the IP35 Pro? I can get my CPU stable (Orthos blend for 8+ hours) by giving it more voltage, but right now CPU-Z is reporting 1.45 when idle, and 1.41 under load. If under load the cpu starts getting into the 1.40 range orthos will fail.

When I raise the CPU VTT voltage it seems to actually drop .01 V on the VCore, so I have stuck with 1.23. Not sure why that is, but perhaps someone can shed some light on that.

First post here so go easy on me, I'm not a noob to this at all, just refreshing on the Intel side of things. Thanks in advance for any help!

Edited to add:
Also figured I'd throw in my VID: 1.0375

I have same cpu and MO as you, RAISE MCH to at least 1.33, the more you raise MCH in my case the less vcore i need for whatever clock. So i suggest you find a nice balance

[HaTaX]

Okay, here's what I was trying. Using uguru to adjust the voltages within windows I brought the VCore down to a point where orthos would fail within a few minutes. Then I started playing with the other settings to see which changes would have an effect on orthos running the longest.
Here's what I came up with:
VCore = 1.5250 bios ~1.43 idle - 1.39 load
MCH = 1.41 bios ~ 1.42-1.43 idle/load
CPU VTT = 1.23 bios ~ 1.25 idle/load
ICH = 1.12 bios ~ 1.14 idle/load
ICHIO = 1.60 bios ~ 1.63 idle/load
CPU GTLREF 0&2 = 71%
CPU GTLREF 1&3 = 60%
DDR2 REF = +2%
DDR2 = 2.100 ~ 2.10 load/idle

I just loaded the Beta 16 Build 03 on my board and am running orthos on the above settings, if it doesn't stay stable, then I will bring the VCore up one more notch.

Also, the beta bios seems to have done nothing for me, the temps reported are still whacked out, under load the CPU shows 27c from the BIOS, at idle 5-8c. Don't think those are anywhere close as other core monitor programs show it to load up around 60 and idle in low 40s. It does at least follow the 20 degree increase, too bad I can't set the EQFans to monitor the CPU for 10 on the low end, and 25 on the high..

[Ron 61]

Hi HaTaX, Im on bios 16 04 with E8400 and it (16 04) gives more realistic temps in uguru than 03 did. I get 31 idle and 50 load. Vcore and cpu vtt both under volt what is set in bios. I set 1.43 vcore to get 1.33 vcore and set 1.35 cpu vtt to get 1.23 cpu vtt. I would be carefull with these two voltages until more is known about these chips. There is already concern about degredation of these chips. http://www.xtremesystems.org/forums/...d.php?t=174821 I am still testing but these are my current settings: 8 X 500 FSB 5,5,5 Auto mem timings
Vcore 1.435v set in bios = 1.33v uguru and DMM
DDR2v 2.175v
CPU VTT 1.35v set in bios =1.23v in uguru
MCH 1.44v
ICH 1.05v
ICHIO 1.50v
DDR2 REF 0%
GTL REF 0&2 67%
GTL REF 1&3 67%
So far I got about 40 minutes orthos small fft with these settings at 4.0Ghz. Also core temp looks like it needs an update because I don't think 48c idle temp at default vcore for this chip is even close. Most likely the delta is correct and the Tj.Max is off.

[HaTaX]

Good call on the B04 version Ron, I just flashed to it and all is good. I'm going to let my reduced voltages run tonight with orthos. If it's stable I'll see if I can back off VCore a little more.

I have set my CPU VTT to 1.23 and this gives me in 1.25 in all the monitoring programs, must vary a little from board to board. The CPU temps are about 10-12c off from what everest, coretemp report and about 8c off from what rivatuner's C2D plugin reads.

Need to ask this question people, is it safe to continue running this cpu at 1.44 idle and 1.40 at it's lowest under load? I am seeing coretemp reporting about 67c max and the bios now reports about 55c, rivatuner's plugin reported 64c for a max temp. Temps and volts getting too high for an air cooled Tuniq 120?

If so I will back off to 3.6 and begin the slower trek upwards, I went for 4ghz because it seemed so easily obtained on these chips, perhaps mine was not a soldier that stood tall.....

[UrbanSmooth]

Hey, guys, think I can push my system a little more? Specs in sig.

[yannis18]

First of all, I feel the need to say hi to all. This thread is the reason that I got my IP35 pro (replacing an aging IC7).
I initially got myself a 2gb kit of Corsair DDR2@800 and it really did not bother overclokcing the memory at all.
However, one of the sticks craped out on me, so I am on the hunt for memory again.
Is there a preferred brand? Should I opt for 1066 memory?
My local shop stacks all the usual brands, my choice is between Supertalent, TeamGroup, Mushkin, Cellshock, Geil and Transcend.
Anyone having any opinions? Should I avoid a particular brand?
As I said before, I did not overclock my memory, but I am planning to when I find my max stable CPU OC.
Yannis.

[steve30x]

I don't know about you guys but I've noticed after 3.5ghz my G0 requires a significant more amount of voltage than what was required before 3.5.

I havent tested @ 3.5ghz or below yet with my new ram installed , but I am going to do a 1 hour test with OCCT and if it passes that its further than Ive gotten since I got this ram. If not I have 1 of 3 problems. Either my ram is incompatible with this motherboard or I have defective ram or My chiset and CPU isnt capable of being stable above 3.5ghz.

First of all, I feel the need to say hi to all. This thread is the reason that I got my IP35 pro (replacing an aging IC7).
I initially got myself a 2gb kit of Corsair DDR2@800 and it really did not bother overclokcing the memory at all.
However, one of the sticks craped out on me, so I am on the hunt for memory again.
Is there a preferred brand? Should I opt for 1066 memory?
My local shop stacks all the usual brands, my choice is between Supertalent, TeamGroup, Mushkin, Cellshock, Geil and Transcend.
Anyone having any opinions? Should I avoid a particular brand?
As I said before, I did not overclock my memory, but I am planning to when I find my max stable CPU OC.
Yannis.

Hi yanis. I would suggest ram of a speed of 1066mhz or more so that you can get a good overclock and I would go for either Supertalent , Mushkin , Geil or Cell Shock. But I would suggest wait for about an hour until I report back because this Cell Shock ram might not be compatible with this motherboard.

[mysticwizard]

I mailed the shop where i bought the abit mobo and they say it has a new bios revision on it that support wolfdales.. No worries i guess so??? (will i also have vdrops and other stuff? :p )

[steve30x]

As I type this my cpu is under 100% load for testing with over 40 minutes with no errors @ 3ghz. I have OCCT testing both ram and CPU. So this Cell Shock ram seems to be ok.

So to those guys stuck @ 3.5ghz could you guys please post your settings so that I can give that a shot please?

[aoch88]

I think it's pretty easy to get the quads @ 3Ghz and you can easily go for more.