Legit Reviews

Hi I'am a newbie and have problem with my CPU overclock

My system specs are:

Asus P5k3 Deluxe
Intel QX6850
Corsair XMS3 Twins 2GB DDR3 10666(1333MHz)
Enermax AL-066 720W
Window XP x64 SP2

I start from this BIOS settings

AI Overclocking: Manual
CPU Ratio Control: Auto
FSB Strap to Northbridge: 333
FSB Frequency: 333
PCI-E Frequency: 100
DRAM Frequency: 1333
DRAM Command Rate: 2T
DRAM Timing Control: Manual
CAS# Latency: 9
RAS# to CAS# Delay: 9
RAS# Precharge: 9
RAS# Activate to Precharge: 24
TWR: Auto
TRFC: Auto
TWTR: Auto
TRRD: Auto
TRTP: Auto
DRAM Static Read Control: Enabled
Transaction Booster: Auto
Clock Over-Charging Mode: Auto
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
CPU Voltage: Auto
CPU Voltage Reference: Auto
CPU Voltage Damper: Enabled
CPU PLL Voltage: Auto
DRAM Voltage: 1.6v
FSB Termination Voltage: Auto
North Bridge Voltage: Auto
North Bridge Voltage Reference: Auto
South Bridge Voltage: Auto

Advance CPU Settings

CPU Ratio Control: Auto
C1E Suppport: Enabled
Max CPUID Value Limit: Disabled
Vanderpool Technology: Enabled
CPU TM Function: Enabled
Execute Disable Bit: Enabled
PECI: Disabled

When I set the FSB frequency to 345 the system is stable but I tried 356 and XP freeze on startup. Could you help me?

1 - How do you define stable? What did you run to deem it stable at 345? For how long?
2 - If it truly was stable at 345, then kick the cpu voltage up a notch and it should be fine.
3 - Are you sure the Dram voltage is 1.6? 1.8 is normally the lowest for most ram modules.

BTW showing the stock bios settings isn't real helpful. Please show your adjusted bios settings applied to the overclock in question.

ibleet wrote:1 - How do you define stable? What did you run to deem it stable at 345? For how long?
2 - If it truly was stable at 345, then kick the cpu voltage up a notch and it should be fine.
3 - Are you sure the Dram voltage is 1.6? 1.8 is normally the lowest for most ram modules.

BTW showing the stock bios settings isn't real helpful. Please show your adjusted bios settings applied to the overclock in question.

1. Read the guide stickied at the top of this forum
this is ddr3 mem, not ddr2, so 1.6 is fine. as for your problem, up the volts a bit. and could you edit your post to only include the following options: CPU FSB, cpu voltage, cpu multi ram speed volts and timings, and c1e and that crap, we really dont need the rest of it

These aren't stock bios settings but I have done by myself, then I start to up FSB frequence leaving the other as posted.

Not to jack the thread or any thing but, what is the FSB strap to North Bridge, what does it do, and if I've got the FSB running at 333 what should I have it set to?

Dang after 10 years of AMD I feel like a noob again.

its just the external hardware refresh rate, just leave it to auto 99% of the time

Cool it's set to auto.