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overclocking q9550 E0 with asus rampage formula

post #1 of 3
Thread Starter 
Hey all im new to this forum.

I just got my new pc set up 1month ago and i've tried overclocking my cpu. Currently all i done is raising up the cpus fsb 377 with a multiplier of 8.5, this makes 3.2ghz and i left the rest of the settings on auto.

I ran prime95 and i was stable for 10hrs with no errors, so then i started being greedy and tried to make it 3.5ghz, i did get into windows but as i start prime95 the system freezes. So then increased the cpu voltage to 1.31 which is an option in the bios (newbie question: how do i add cpu voltage by tiny little bits with asus rampage formula, instead of choosing the options) after increasing the voltage the system did not even boot.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
q9550 E0 asus rampage formula 4870 x2 2x2 4gb G.skill PC8800 2x2 4gb 1100mhz 
Hard DriveOSMonitorKeyboard
2x 500gb seagate barracuda vista ultimate 64bit samsung 2493hm g15 
PowerCaseMouseMouse Pad
antec quattro 1000w antec 1200 g5 cyber snipa tracer 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
q9550 E0 asus rampage formula 4870 x2 2x2 4gb G.skill PC8800 2x2 4gb 1100mhz 
Hard DriveOSMonitorKeyboard
2x 500gb seagate barracuda vista ultimate 64bit samsung 2493hm g15 
PowerCaseMouseMouse Pad
antec quattro 1000w antec 1200 g5 cyber snipa tracer 
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post #2 of 3
You can use the + and - keys on the numeric keypad to raise and lower the CPU voltage and all the other options in BIOS.

Before you go too much farther, though, you'll have to replace your CPU cooler. The Zalman isn't up to the task of cooling an overclocked quad core.

You will also have to increase the northbridge voltage. Try some settings like this to get a solid 3.8 (but on your Zalman this is going to get warm and toasty!)

CPU ratio = 8.5
FSB = 450
FSB Strap to Northbridge = Auto
DRAM = DDR2-1081 (or is it 1066)
DRAM timings and voltage as necessary
CPU voltage = 1.37500 (may need slightly more or less)
Loadline Calibration = Disabled
NB voltage = 1.49
CPU GTL ref = 0.67x
NB GTL ref = 0.67x
Edited by error10 - 12/21/08 at 6:22am
Underground
(14 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 920 C0 ASUS P6T6 WS Revolution GTX 460 TR3X6G1600C8D 
Hard DriveOptical DriveCoolingOS
WD1001FALS SAMSUNG SH-S223F 22X DVD MULTI Corsair H50 Fedora 16 KDE x86_64 
MonitorKeyboardPowerCase
HP w19b Microsoft Comfort Curve Corsair CX600 Thermaltake Armor VA8003BWS 
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Razer DeathAdder Black 
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Underground
(14 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 920 C0 ASUS P6T6 WS Revolution GTX 460 TR3X6G1600C8D 
Hard DriveOptical DriveCoolingOS
WD1001FALS SAMSUNG SH-S223F 22X DVD MULTI Corsair H50 Fedora 16 KDE x86_64 
MonitorKeyboardPowerCase
HP w19b Microsoft Comfort Curve Corsair CX600 Thermaltake Armor VA8003BWS 
MouseMouse Pad
Razer DeathAdder Black 
  hide details  
Reply
post #3 of 3
Thread Starter 
zalman is cooling my cpu pretty well, upper 40 degree celsius on full load.
I know the +/- on numeric pad changes the voltage but its like choosing the options they give me, for example 1.2v,1,25v,1,31v. I cant seem to change the voltage by tiny little bits.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
q9550 E0 asus rampage formula 4870 x2 2x2 4gb G.skill PC8800 2x2 4gb 1100mhz 
Hard DriveOSMonitorKeyboard
2x 500gb seagate barracuda vista ultimate 64bit samsung 2493hm g15 
PowerCaseMouseMouse Pad
antec quattro 1000w antec 1200 g5 cyber snipa tracer 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
q9550 E0 asus rampage formula 4870 x2 2x2 4gb G.skill PC8800 2x2 4gb 1100mhz 
Hard DriveOSMonitorKeyboard
2x 500gb seagate barracuda vista ultimate 64bit samsung 2493hm g15 
PowerCaseMouseMouse Pad
antec quattro 1000w antec 1200 g5 cyber snipa tracer 
  hide details  
Reply
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