E8500@x48 LT oc

[kkman786]

hi,
I have a E8500 and I want to overclock it to 4.0G(500x8)
I use Ultra 120 extreme~
Should I raise any voltage?
Cpu Vore 1.2875
CPU VTT 1.35
Is it enough for 24/7 use??
Nb voltage?

thanks,guys
MB X48 LT@0307 bios
E8500 Q741A403

[Clunk]

Try these.

CPU Feature
Thermal Management Control: Disabled
PPM(EIST) Mode: Disabled
Limit CPUID MaxVal: Disabled
CIE Function: Disabled
Execute Disable Bit: Disabled
Virtualization Technology: Disabled
Core Multi-Processing: Enabled

Exist Setup Shutdown: Mode 2
Shutdown after AC Loss: Disabled
CLOCK VC0 divider: AUTO
CPU Clock Ratio Unlock: Enabled
CPU Clock Ratio: 9 X
CPU
Target CPU Clock: 4009Mhz
CPU Clock: 450
Boot Up Clock: AUTO
DRAM Speed: 333/667
Target DRAM Speed: 900Mhz
PCIE Clock: 100mhz
PCIE Slot Config: 1X 1X

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
SATA Spread Spectrum: Disabled

Voltage Settings
CPU VID Control: 1.2v-1.28125v - these are as a guide, you can go a little bit higher if needed.
CPU VID Special Add: AUTO
DRAM Voltage Control: 2.19v Set this to whatever your RAM shout be set at.
SB Core/CPU PLL Voltage: 1.51v
NB Core Voltage: 1.356v You can try upping this if not stable
CPU VTT Voltage: 1.1v-1.3v - I only needed 1.1v for 4Ghz
Vcore Droop Control: Enabled
Clockgen Voltage Control: 3.45v
GTL+ Buffers Strength: Strong
Host Slew Rate: Weak
GTL REF Voltage Control: Disabled - Not needed yet.
x CPU GTL1/3 REF Volt: 110
x CPU GTL 0/2 REF Volt: 110
x North Bridge GTL REF Volt: 110

DRAM Timing
Enhance Data transmitting: AUTO
Enhance Addressing: AUTO
T2 Dispatch: Disabled

Clock Setting Fine Delay
Ch1 Clock Crossing Setting: AUTO
DIMM 1 Clock fine delay: Current
DIMM 2 Clock fine delay: Current
Ch 1 Command fine delay: Current
Ch 1 Control fine delay: Current


Ch2 Clock Crossing Setting: AUTO
DIMM 3 Clock fine delay: Current
DIMM 4 Clock fine delay: Current
Ch 2 Command fine delay: Current
Ch 2 Control fine delay: Current

Ch1Ch2 CommonClock Setting: Auto

Ch1 RDCAS GNT-Chip Delay: Auto
Ch1 WRCAS GNT-Chip Delay: Auto
Ch1 Command to CS Delay: Auto

Ch2 RDCAS GNT-Chip Delay: Auto
Ch2 WRCAS GNT-Chip Delay: Auto
Ch2 Command to CS Delay: Auto

CAS Latency Time (tCL): 5
RAS# to CAS# Delay (tRCD): 5
RAS# Precharge (tRP): 5
Precharge Delay (tRAS): 15
All Precharge to Act: AUTO
REF to ACT Delay (tRFC): AUTO
Performance LVL (Read Delay) (tRD): AUTO

Read delay phase adjust: Enter

Ch1 Read delay phase (4~0)
Channel 1 Phase 0 Pull-In: Auto
Channel 1 Phase 1 Pull-In: Auto
Channel 1 Phase 2 Pull-In: Auto
Channel 1 Phase 3 Pull-In: Auto
Channel 1 Phase 4 Pull-In: Auto

Ch2 Read delay phase (4~0)
Channel 2 Phase 0 Pull-In: Auto
Channel 2 Phase 1 Pull-In: Auto
Channel 2 Phase 2 Pull-In: Auto
Channel 2 Phase 3 Pull-In: Auto
Channel 2 Phase 4 Pull-In: Auto

MCH ODT Latency: AUTO
Write to PRE Delay (tWR): AUTO
Rank Write to Read (tWTR): AUTO
ACT to ACT Delay (tRRD): AUTO
Read to Write Delay (tRDWR): AUTO
Ranks Write to Write (tWRWR): AUTO
Ranks Read to Read (tRDRD): AUTO
Ranks Write to Read (tWRRD): AUTO
Read CAS# Precharge (tRTP): AUTO
ALL PRE to Refresh: AUTO

[kkman786]

thankd Clunk!
I'll try it and report~

[tommylim]

ts sorry to hijack ur thread....
clunk, can i use above settings to oc my e8400 to 3.6ghz only (400Mhz x 9 multiplier)??? thanks...

[Clunk]

Yes, just adjust the voltages accordingly

[Kelainefes]

Out of curiosity, do you need to up NB voltage if you up the CPU multi?
Cause i am at 450 FSB with a 7x but i only need 1.30 (in the BIOS, SG reports 1.28) for stability.

[tommylim]

CPU VID Control: 1.2v-1.28125v
CPU VID Special Add: AUTO
DRAM Voltage Control: 2.19v
SB Core/CPU PLL Voltage: 1.51v
NB Core Voltage: 1.356v
CPU VTT Voltage: 1.1v-1.3v

sorry clunk...which voltages u referring to....can i start with above settings? or i shd lower some of them? thanks..

[Clunk]

Adjust these voltages to suit your overclock.

Voltage Settings
CPU VID Control: 1.2v-1.28125v - these are as a guide, you can go a little bit higher if needed.
CPU VID Special Add: AUTO
DRAM Voltage Control: 2.19v Set this to whatever your RAM shout be set at.
SB Core/CPU PLL Voltage: 1.51v
NB Core Voltage: 1.356v You can try upping this if not stable
CPU VTT Voltage: 1.1v-1.3v - I only needed 1.1v for 4Ghz
Vcore Droop Control: Enabled
Clockgen Voltage Control: 3.45v
GTL+ Buffers Strength: Strong
Host Slew Rate: Weak
GTL REF Voltage Control: Disabled - Not needed yet.

[Clunk]

Originally Posted by Kelainefes

Out of curiosity, do you need to up NB voltage if you up the CPU multi?
Cause i am at 450 FSB with a 7x but i only need 1.30 (in the BIOS, SG reports 1.28) for stability.

No, you don't have to, but if you are running a high FSB and then up the multi, the chances are that you will need to increase it a bit, and probably vcore.