**Official e8400/e8500 Retail OC Thread

[DOM.]

well just passed 20x intelburntest @ 422X9.5

[bigwill68]

naw it was just for benching test

i was just going to ask what is safe for 24/7 1.35 or 1.4 or 1.45 ive seen alot of different opinions

at 1.35 is safe enough for a 24/7 bench test 1.362 is the max keep and eye on your temps as you bench it..a good thing is try to get your system dust free and build up in the fins of your heatsink and if you got alot of case fans keep the blades dusted off also as much as possible to keep good air flow

[DOM.]

at 1.35 is safe enough for a 24/7 bench test 1.362 is the max keep and eye on your temps as you bench it..a good thing is try to get your system dust free and build up in the fins of your heatsink and if you got alot of case fans keep the blades dusted off also as much as possible to keep good air flow

Im on water

[radaja]

heres my new e8500

[Mumid]

thx but I'm still looking for better, thx to Nilos for having me swap this one... other one was 1.25Vcore required for the same ops...

CPU Voltage: 1.25
CPU GTL Voltage Reference (0/2): 0.645
CPU GTL Voltage Reference (1/3): 0.645
CPU PLL Voltage: 1.56
FSB Termination Voltage: 1.2
DRAM Voltage: 1.94 (4gb Mushkin redline pc8000)
NB Voltage: 1.22
NB GTL Reference: 0.63
SBridge Voltage: AUTO
PCIE SATA Voltage: AUTO

How did you stumble upon those GTL settings mate and why are you using them?

[Leeghoofd]

Trial and error mate, I set for 45nm 0.630 for both and test Vcore, then I try to set one notch Vcore lower and mess with GTL 's up and down... in my case core 1 always capped out, so I tried a bit higher and settled on 0.645... runs linpack test flawlessly and survived OCCT 2 hor CPU test too... stable enough for me... I'm no mathematician but I've read that most 45nm CPU's tend to like to be around 0.8...

[Mumid]

Trial and error mate, I set for 45nm 0.630 for both and test Vcore, then I try to set one notch Vcore lower and mess with GTL 's up and down... in my case core 1 always capped out, so I tried a bit higher and settled on 0.645... runs linpack test flawlessly and survived OCCT 2 hor CPU test too... stable enough for me... I'm no mathematician but I've read that most 45nm CPU's tend to like to be around 0.8...

Sounds good fella, will have to give them a try on my rig when I get chance

[BooStFeD]

E8400 Q746A489 C0
P5B Deluxe Bios 1236
vCore 1.41
500 x 8.5
CPU WC peak @ 61c

2+ hours and pending

[carepolice]

BooStFeD ;change your coretemps TJmax to 100c

[DOM.]

E8400 Q746A489 C0
P5B Deluxe Bios 1236
vCore 1.41
500 x 8.5
CPU WC peak @ 61c

2+ hours and pending

Nice to see another P5B Dlx
wut fsb and NB volts are you using ? also heres links to Core Temp 0.99.3 and OCCT Perestroïka 2.0.1 there updated with the 100 tjmax

have you tryed lower Multi and higher fsb ? my max and stable is 580 and it helps the mem in read and write and i didnt have to up the volts that much on the fsb and NB but mines a E8500 E0 idk if the E0 would help the fsb more worth a try

[bigwill68]

@BooStFeD

Whats your oc speed on your and volts you got volts on 2.1v or 2.0v it's goota be running loose..
I can't tighten my memory up to 4-4-4-12 unless the memory alittle Oc'd about 413 a stick..right
now it's at 991 oc'd at 2.0v...

@Dom7184

Brother you got a monster there looks great hey got a question. I'm planning another build in 09 a water build..I been seacrhing around to if there
is different type of water coolant colors available in different types really..I'm looking for a purple color so far all..i have seen is green,clear,blue and..i believe red just wondering have you seen different 1's any where else? bye the I got a clear case myself..but i only used it once it's back in the box where it was shipped it from newegg was'nt keeping things Cool for me

http://www.newegg.com/Product/Produc...82E16811148001

+ shipping cost

[FabricioGS]

E8400 Q746A489 C0
P5B Deluxe Bios 1236
vCore 1.41
500 x 8.5
CPU WC peak @ 61c

2+ hours and pending

E8400 E0
P5Q Deluxe Bios 1406
vCore 1.3360v (1.34375v on bios)
500x8.5
CPU on AIR peak @ 63ºC

5+ hours done



25x Linpack done



That's my 24/7 now.

[BooStFeD]

Nice to see another P5B Dlx
wut fsb and NB volts are you using ? also heres links to Core Temp 0.99.3 and OCCT Perestroïka 2.0.1 there updated with the 100 tjmax

have you tryed lower Multi and higher fsb ? my max and stable is 580 and it helps the mem in read and write and i didnt have to up the volts that much on the fsb and NB but mines a E8500 E0 idk if the E0 would help the fsb more worth a try

Dom Thank you for the links

I have not tried higher fsb stability testing. Did post at 600*7 though. Bios NB settings is 1.45 and FSB is 1.30. Going to see if i can lower these more.

Just passed IntelBurnTest x5 will do x20 after some FarCry2.



bigwill68 Just updated sig. Not using 2x1gb XMS2 anymore. Running 2x2gb Mushkin Ascent

[DOM.]

@Dom7184

Brother you got a monster there looks great hey got a question. I'm planning another build in 09 a water build..I been seacrhing around to if there
is different type of water coolant colors available in different types really..I'm looking for a purple color so far all..i have seen is green,clear,blue and..i believe red just wondering have you seen different 1's any where else? bye the I got a clear case myself..but i only used it once it's back in the box where it was shipped it from newegg was'nt keeping things Cool for me

http://www.dangerden.com/store/produ...&cat=63&page=1

[subaruwrc]

Hi!
let me share some pics.
4ghz 1.152v prime 1 hour: http://images.netbag.hu/20081028/21400352011.jpg
4ghz 1.136v burntest 5 pass: http://images.netbag.hu/20081028/21385172924.jpg
4.4ghz 1.32v occt 30 min: http://images.netbag.hu/20081028/21422790662.jpg

[Quad-Damage]

I hate my C0 4.2ghz needs 1.41 v core
4.1ghz isn't bad tho

[bigwill68]

http://www.dangerden.com/store/produ...&cat=63&page=1

Thanks brother good looking out..saved to my favorites..Now I can order some and have it ready for the build

[BooStFeD]

I hate my C0 4.2ghz needs 1.41 v core
4.1ghz isn't bad tho

I feel 1.41vcore is not bad. I would not go higher with these cpu's. Pumping 1.41-1.43 to my C0 E8400 for almost 8 months. Still alive and kicking thats for sure

[hokiealumnus]

Just got rid of my E8500 (C0) for an E8400 (E0) and the difference is already apparent. Waiting on a Biostar Tpower I45 to be able to test further than where I'm at. The IP35-E beta BIOS that works with E0 CPUs borked the MCH code, so you can't adjust the voltage; hence I can't go farther than this FSB.

3.8GHz, default Vcore (1.25v in BIOS, which is VID; 1.20v after Vdroop) ...this took +.04v from VID with my E8500.



CPU info:



Will update once I can clock it like it should be clocked.

[misho]

Hi!
let me share some pics.
4ghz 1.152v prime 1 hour: http://images.netbag.hu/20081028/21400352011.jpg
4ghz 1.136v burntest 5 pass: http://images.netbag.hu/20081028/21385172924.jpg
4.4ghz 1.32v occt 30 min: http://images.netbag.hu/20081028/21422790662.jpg

AMAZING! E8400 E0 at 1.31V for 4.4Ghz?!

My stupid E8500 C0 needs 1.37V for 4.2Ghz, and over 1.41V for 4.3Ghz

Damnit u guys are soooooo lucky to live in countries that cell E0s///!

[Melhisedek]

I have an 8400 E0 that won't do more than 3950 no matter the volts or settings.
Be happy with what you got, very happy

[misho]

I have an 8400 E0 that won't do more than 3950 no matter the volts or settings.
Be happy with what you got, very happy

I wont be happy cuz I deserve more!! I've been waiting for more than 2 months, going to store every week check when they have the new E0s, they never had it... I looked up stores to order from US, had problems paypal, etc etc.. and then at the end from ordering newegg NEW JERSEY warehouse where ppl got E0s, I get a ty C0, made in June.. thrown on the ground by UPS in front of my door.. all this for C0, when I could of bought C0 300000 years ago ...

Anyway I guess 4.2Ghz on 1.38 is OK for a C0.........

Edit: After a few months imma just JUICE this shiiet to like 1.5V see what it can handle.. I dont give a crud

[OCX600RR]

My E0 E8400 does 4.4Ghz at 1.31v, but needs 1.39v for 4545MHz...lil too much for me! Currently running 4.0GHz at 1.2v.

[subaruwrc]

AMAZING! E8400 E0 at 1.31V for 4.4Ghz?!

My stupid E8500 C0 needs 1.37V for 4.2Ghz, and over 1.41V for 4.3Ghz

Damnit u guys are soooooo lucky to live in countries that cell E0s///!

Thanks dude.
Im really happy with this cpu but i want more

[subaruwrc]

My E0 E8400 does 4.4Ghz at 1.31v, but needs 1.39v for 4545MHz...lil too much for me! Currently running 4.0GHz at 1.2v.

mine does the some but I only tried to 1.368v but it failed within a minute in prime...
at 4500mhz...
how much cpu vtt do u use az 4545mhz?