I'll be going over a Gigabyte GA-965P-DQ6 (Rev 1.0), with BIOS F8 installed in about 4 hours.
Clearing the BIOS (remove battery for 60 seconds while unplugged from mains power) is an important step. - Try this instead of shorting the CMOS CLEAR jumper.
I'll be raising the FSB to 333, from 266, and using a CPU voltage of 1.375 - To overclock a Intel Core 2 Duo E6600 from 2.40 GHz to 3.00 GHz - This is the same chip everyone else is mentioning problems with here.
You're all raising the CPU Voltage to 1.375 or higher right ?
Maybe try VDIMM and other voltage tweaks too, but only slight ones (unless your RAM needs 2.x Volts to work that is).
The F8 BIOS adds a Voltage 'Detection Probe' to the boot up sequence, which improves DRAM compatibility on the board (high end modules need more volts, as above).
Have you checked all BIOS settings using Ctrl+F1 at the main BIOS menu?
PCI Express Frequency I plan to lock at between 97 and 101.
Here are my stable settings with any other BIOS version less than the F8 verison.
I'm back @ 3.40Ghz with the ver. F7.
A wise man once said to me:
"User the Force" & remember the DISCLAIMER!!!
DISCLAIMER: If someone reading this wishes to OC & test their system using these parameters below please do so at your own risk. The parameters are for my specific hardware. I'm not sure if it would work equally for a different system.
I took a chance with the help from the guys hanging out here & I'm still here writing about it on my OC'ed system. I'm only posting my findings to make it easy/easier for noobies like me on OCing. Your welcome.
The changes in my BIOS are in BOLD Blue & Red below:
[Gigabyte BIOS (M.I.T.) Menu Options word-for-word with the F7 BIOS update]
Robust Graphics Booster: [AUTO]
CPU Clock Ratio: (9x)
CPU Host Frequency (Mhz): [378]
PCI Express Frequency (Mhz) [100]
C.I.A.2: [Disabled]
System Memory Multiplier: [2.00]
Memory Frequency (Mhz) {this option is shaded out}: [726]
======================================
{Pressing Ctrl + F1 key Combo At Main BIOS Screen Enables DRAM Timings Below}
DRAM Timing Selectable: [AUTO]
CAS Latency Time: [grayed out]
DRAM RAS# To CAS# Delay: [grayed out]
DRAM RAS# Precharge: [grayed out]
Precharge Delay: [grayed out]
ACT to ACT Delay: [Auto]
Rank Write To READ Delay: [Auto]
Write To Precharge Delay: [Auto]
Refresh To ACT Delay: [0]
Read To Precharge Delay: [Auto]
Memory Performance Enhance: [Normal]
======================================
{blinking} ***** System Voltage NOT Optimized!! ***** {blinking}
======================================
System Voltage Control: [Manual]
DDR2 OverVoltage Control: [+0.025V]
PCI-E OverVoltage Control: [Normal]
{option appears after pressing Ctrl + F1 key combo}
(G)MCH OverVoltage Control: [Normal]
FSB OverVoltage Control: [+0.15V]
CPU OverVoltage Control: [1.42500V]
--------------------------------------------------
Like I said. All has been good with these settings until the new F8 came & it was all down hill from there...
). I think I may have stopped the booting too - I hope so anyway :?: It seems to have stopped since I removed a self-powered USB hub I had connected.
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