e8400 overclock

sokol · 07-03-2008, 12:24 AM

I just got a new pc. I am running e8400 with an upgraded cpu cooler, and 2 gigs of gaming ram. I saw couple of people running this at 4ghz with ease. Anyone got the bios settings for it. I got enough cooling. I currently have it overclocked at 3.4ghz i get constant 39c and 42 under load. Hope to get some help what would the recommended voltage for it I found a guy running the same cpu at 1.23v.

Thanks.

hermeslyre · 07-03-2008, 10:09 AM

It's always safer to OC with your own numbers. Someone can give you a estimate at what to set things, but too many variables exist (NB/SB temp, RAM tolerance, gradient CPU design/integrity, blah) to ensure an optimized or even safe configuration. Just slowly bump up the voltages when things get unstable, and you'll find your volt. niche quickly.

That said, there might be someone willing to pop in and OC for you. I'm not familiar with Wolfsdale OCing numbers anyways.

sokol · 07-03-2008, 07:34 PM

Thatguy16 has his cpu same one as mine running at 4ghz. So I know I get do it too.

ThatGuy16 · 07-03-2008, 07:38 PM

I have a very "low" voltage chip, or "golden" rather. Keep bumping up your FSB and running orthos for about five minutes at a time until you reach 4Ghz, then run orthos for no less than four hours. If unstable, be sure your memory has enough voltage, and the multiplier is correct. Then raise the CPU voltage little at a time. You may need to play with your boards MCH voltages too.

Keep it under 60c using Real Temp, and under 1.35v

sokol · 07-04-2008, 12:25 AM

I tried do that but my pc keeps restarting here is what I got

CPU Clock ratio - 9x
CPU N/2 Ratio - Disabled
Target CPU Clock - 4005
CPU Clock - 445
DRAM Speed - Auto
Target DRAM Speed - DDR2 1069

In Voltage Settings

CPU VID Special Add - Auto
DRAM Voltage Control - 1.925v
SB 1.05 Voltage - 1.070v
SB Core/CPU PLL Voltage - 1.55v
NB Core Voltage - 1.45v
CPU VTT Voltage - 1.100v
Clockgen Voltage Control - 3.45v
CPU GTL 0/2 REF Voltage - 0.67x
CPU 1/3 REF Voltage - 0.67x
Northbridge GTL REF Voltage - 0.67x]

sokol · 07-04-2008, 01:19 AM

I dont know what is happening I get 4ghz and it boots up and I run the cpu-z it reads 2600mhz and x6 multiplier and when I run core temp I get 4005mhz 445x9 but my vid is 1.175 is this right or is the voltage to low.

sho95 · 07-04-2008, 01:26 AM

looks like your ram need more juice try 2.1

sokol · 07-04-2008, 01:59 AM

Aight will try can somone explain why in cpu-z It read core 2670.5mhz and multiplier 6x when its 4005mhz and 9x multiplier and why is the voltage not showing it right in bios It shows 1.23v same in coretemp it shows 1.17v. Anyone know why this is.

[-0MEGA-] · 07-04-2008, 02:01 AM

Quote:

Originally Posted by sokol

Aight will try can somone explain why in cpu-z It read core 2670.5mhz and multiplier 6x when its 4005mhz and 9x multiplier and why is the voltage not showing it right in bios It shows 1.23v same in coretemp it shows 1.17v. Anyone know why this is.

It's because C1E is enabled, which lowers the multiplier and voltage.

sokol · 07-04-2008, 02:06 AM

ok boot seems to work everything is working I want to run orthos just to make sure no problems come up how long recommend me running it for.

07-03-2008, 12:24 AM	#1 (permalink)
sokol Silver Member Join Date: Feb 2008 Posts: 177	e8400 overclock I just got a new pc. I am running e8400 with an upgraded cpu cooler, and 2 gigs of gaming ram. I saw couple of people running this at 4ghz with ease. Anyone got the bios settings for it. I got enough cooling. I currently have it overclocked at 3.4ghz i get constant 39c and 42 under load. Hope to get some help what would the recommended voltage for it I found a guy running the same cpu at 1.23v. Thanks. __________________ Case: Raidmax Smilodon Extreme Black MB: DFI Lanparty DK P35 T2RS CPU: Intel Core 2 Duo E8400 @ 4.1ghz 1.312v, 456x9 Ram: Mushkin 2GB (2x1GB) DDR2 961 @ 5-5-5-12 2.125v PSU: Xigmatek MC NRP-MC651 650W GPU: EVGA Geforce 8800GT @ 701/1747 HDD: Western Digital Raptor X 150GB @ 10k SC: Creative X-FI EXtreme 7.1 OS: Windows XP Home Edition 3dmark06: 13963

07-03-2008, 07:34 PM	#3 (permalink)
sokol Silver Member Join Date: Feb 2008 Posts: 177	Thatguy16 has his cpu same one as mine running at 4ghz. So I know I get do it too. __________________ Case: Raidmax Smilodon Extreme Black MB: DFI Lanparty DK P35 T2RS CPU: Intel Core 2 Duo E8400 @ 4.1ghz 1.312v, 456x9 Ram: Mushkin 2GB (2x1GB) DDR2 961 @ 5-5-5-12 2.125v PSU: Xigmatek MC NRP-MC651 650W GPU: EVGA Geforce 8800GT @ 701/1747 HDD: Western Digital Raptor X 150GB @ 10k SC: Creative X-FI EXtreme 7.1 OS: Windows XP Home Edition 3dmark06: 13963

07-03-2008, 07:38 PM	#4 (permalink)
ThatGuy16 VIP Member Join Date: Apr 2007 Location: USA Age: 18 Posts: 5,791	I have a very "low" voltage chip, or "golden" rather. Keep bumping up your FSB and running orthos for about five minutes at a time until you reach 4Ghz, then run orthos for no less than four hours. If unstable, be sure your memory has enough voltage, and the multiplier is correct. Then raise the CPU voltage little at a time. You may need to play with your boards MCH voltages too. Keep it under 60c using Real Temp, and under 1.35v __________________ CPU: C2D E8400 @ 4Ghz 1.24v HSF: Apogee GTX MB: Gigabyte X38-DS4 Ram: 2x2GB G. Skill DDR2-1068 HDD: 320GB Seagate PSU: OCZ GameXStream 700w OS: Vista Home Premium 64bit GFX: 2x HD4850 Crossfire LCD: LG 22" L226WTQ 3DMark06: 20974

07-04-2008, 12:25 AM	#5 (permalink)
sokol Silver Member Join Date: Feb 2008 Posts: 177	I tried do that but my pc keeps restarting here is what I got CPU Clock ratio - 9x CPU N/2 Ratio - Disabled Target CPU Clock - 4005 CPU Clock - 445 DRAM Speed - Auto Target DRAM Speed - DDR2 1069 In Voltage Settings CPU VID Special Add - Auto DRAM Voltage Control - 1.925v SB 1.05 Voltage - 1.070v SB Core/CPU PLL Voltage - 1.55v NB Core Voltage - 1.45v CPU VTT Voltage - 1.100v Clockgen Voltage Control - 3.45v CPU GTL 0/2 REF Voltage - 0.67x CPU 1/3 REF Voltage - 0.67x Northbridge GTL REF Voltage - 0.67x] __________________ Case: Raidmax Smilodon Extreme Black MB: DFI Lanparty DK P35 T2RS CPU: Intel Core 2 Duo E8400 @ 4.1ghz 1.312v, 456x9 Ram: Mushkin 2GB (2x1GB) DDR2 961 @ 5-5-5-12 2.125v PSU: Xigmatek MC NRP-MC651 650W GPU: EVGA Geforce 8800GT @ 701/1747 HDD: Western Digital Raptor X 150GB @ 10k SC: Creative X-FI EXtreme 7.1 OS: Windows XP Home Edition 3dmark06: 13963

07-04-2008, 01:19 AM	#6 (permalink)
sokol Silver Member Join Date: Feb 2008 Posts: 177	I dont know what is happening I get 4ghz and it boots up and I run the cpu-z it reads 2600mhz and x6 multiplier and when I run core temp I get 4005mhz 445x9 but my vid is 1.175 is this right or is the voltage to low. __________________ Case: Raidmax Smilodon Extreme Black MB: DFI Lanparty DK P35 T2RS CPU: Intel Core 2 Duo E8400 @ 4.1ghz 1.312v, 456x9 Ram: Mushkin 2GB (2x1GB) DDR2 961 @ 5-5-5-12 2.125v PSU: Xigmatek MC NRP-MC651 650W GPU: EVGA Geforce 8800GT @ 701/1747 HDD: Western Digital Raptor X 150GB @ 10k SC: Creative X-FI EXtreme 7.1 OS: Windows XP Home Edition 3dmark06: 13963 Last edited by sokol; 07-04-2008 at 03:09 AM.

07-03-2008, 10:09 AM	#2 (permalink)
hermeslyre VIP Member Join Date: Feb 2007 Location: Portland, Oregon Age: 19 Posts: 4,973	It's always safer to OC with your own numbers. Someone can give you a estimate at what to set things, but too many variables exist (NB/SB temp, RAM tolerance, gradient CPU design/integrity, blah) to ensure an optimized or even safe configuration. Just slowly bump up the voltages when things get unstable, and you'll find your volt. niche quickly. That said, there might be someone willing to pop in and OC for you. I'm not familiar with Wolfsdale OCing numbers anyways.

07-04-2008, 01:26 AM	#7 (permalink)
sho95 Gold Member Join Date: Dec 2004 Posts: 400	looks like your ram need more juice try 2.1

07-04-2008, 01:59 AM	#8 (permalink)
sokol Silver Member Join Date: Feb 2008 Posts: 177	Aight will try can somone explain why in cpu-z It read core 2670.5mhz and multiplier 6x when its 4005mhz and 9x multiplier and why is the voltage not showing it right in bios It shows 1.23v same in coretemp it shows 1.17v. Anyone know why this is. __________________ Case: Raidmax Smilodon Extreme Black MB: DFI Lanparty DK P35 T2RS CPU: Intel Core 2 Duo E8400 @ 4.1ghz 1.312v, 456x9 Ram: Mushkin 2GB (2x1GB) DDR2 961 @ 5-5-5-12 2.125v PSU: Xigmatek MC NRP-MC651 650W GPU: EVGA Geforce 8800GT @ 701/1747 HDD: Western Digital Raptor X 150GB @ 10k SC: Creative X-FI EXtreme 7.1 OS: Windows XP Home Edition 3dmark06: 13963

07-04-2008, 02:06 AM	#10 (permalink)
sokol Silver Member Join Date: Feb 2008 Posts: 177	ok boot seems to work everything is working I want to run orthos just to make sure no problems come up how long recommend me running it for. __________________ Case: Raidmax Smilodon Extreme Black MB: DFI Lanparty DK P35 T2RS CPU: Intel Core 2 Duo E8400 @ 4.1ghz 1.312v, 456x9 Ram: Mushkin 2GB (2x1GB) DDR2 961 @ 5-5-5-12 2.125v PSU: Xigmatek MC NRP-MC651 650W GPU: EVGA Geforce 8800GT @ 701/1747 HDD: Western Digital Raptor X 150GB @ 10k SC: Creative X-FI EXtreme 7.1 OS: Windows XP Home Edition 3dmark06: 13963

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