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Help overclocking P5K Pro

post #1 of 7
Thread Starter 
Ok so I have a mild overclock right now 333mhz*8, ram set at 667 for 1:1 but I have tried several other clocks and for what ever reason none of them will run, I have tried 400mhz at 7 multiplier 333 at 9 and several other combinations but it wont post, it seems that my current clock is the only one that has worked. Im assuming this is a settings issue? here is my bios settings as of now, sorry I dont have a screenshot to help. Any help would be appreciated, my goal is 400mhz front side bus at an 8 multi. for a 3.2ghz overclock if possible

AI Overclock Tuner: Manual
CPU Ratio: 8
FSB Strap to NB: Auto
FSB Freq.: 333Mhz
PCI Express Freq.: 100
Dram Freq.: Auto
Dram Command Rate: Auto
Dram Timing: Auto

Dram Static Read: Auto
Transaction Booster: Auto
Cpu Voltage: Auto
Cpu PLL Voltage: Auto
FSB Termination Voltage: Auto
Dram Voltage: Auto
NorthBridge Voltage: Auto
Southbridge Voltage: Auto
Clock Over Charging Voltage: Auto
Load Line Calibration: Enabled
CPU GTL Voltage Reference: Auto
CPU Spread Spectrum: Disabled
PCI Express Spread Spectrum: Disabled
post #2 of 7
Thread Starter 
Noone can help me? I am able to get to 3.0ghz with a 333mhz*9 multi, I cant go above a 9 multi or above a 333mhz bus speed at any multi, anyone have any suggestions, I had to adjust my vcore from auto to 1.35 in order to maintain 3.0 but thats as far as I can get. please help
post #3 of 7
looks like there are very (vvvvveeeeerrrrrryyyyy) few asus p5k pro.
iam at 318x10
     
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CPUMotherboardGraphicsRAM
Pentium 4 2.4ghz 512kb 400mhz d510 epc motherboard intel extreme graphics 2gb ddr 
Hard DriveOptical DriveCoolingOS
40gb ide slim drive dvdrw stock Windows Embedded POSReady 2009  
KeyboardCaseMouseAudio
mitsai usb evo d510 epc genius usb sound max 
CPUMotherboardGraphicsRAM
POWERPC G4 800MHZ DUAL (7450) L3 CACHE NOT WORKING QUICKSILVER LOGIC BOARD MSI GEFORCE 4 TI 4600 128MB AGP (mac bios)  1.5GB sdram pc133 
Hard DriveOptical DriveOSKeyboard
Seagate 120gb ide 7200rpm superdrive mac osx 10.4.11 PRO KEYBOARD 
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powermac g4 quicksilver series ONBOARD 
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post #4 of 7
Quote:
Originally Posted by Mattb2e View Post
Ok so I have a mild overclock right now 333mhz*8, ram set at 667 for 1:1 but I have tried several other clocks and for what ever reason none of them will run, I have tried 400mhz at 7 multiplier 333 at 9 and several other combinations but it wont post, it seems that my current clock is the only one that has worked. Im assuming this is a settings issue? here is my bios settings as of now, sorry I dont have a screenshot to help. Any help would be appreciated, my goal is 400mhz front side bus at an 8 multi. for a 3.2ghz overclock if possible

AI Overclock Tuner: Manual
CPU Ratio: 8
FSB Strap to NB: Auto
FSB Freq.: 333Mhz
PCI Express Freq.: 100
Dram Freq.: Auto
Dram Command Rate: Auto
Dram Timing: Auto

Dram Static Read: Auto
Transaction Booster: Auto
Cpu Voltage: Auto
Cpu PLL Voltage: Auto
FSB Termination Voltage: Auto
Dram Voltage: Auto
NorthBridge Voltage: Auto
Southbridge Voltage: Auto
Clock Over Charging Voltage: Auto
Load Line Calibration: Enabled
CPU GTL Voltage Reference: Auto
CPU Spread Spectrum: Disabled
PCI Express Spread Spectrum: Disabled
okay first set the vcore manually. you can go as high as 1.45vcore on air cooling. i would say pop it up to 1.40 vcore. 1:1 ration for cpu to dram is a myth. your intel requires as much bandwith as possible. pop it on to ddr 800.

disable transaction booster and pop compatibilty to 3

overclock charge mode can be disabled.

put you south bridge and north bridge cores at max. temps wont really matter. they wont get that hot that will be a risk.

dram core can be put up to 2.30v. that will be fine for your mushkin.

look on your ram. get the timings and pop them into dram timings. and set the command rate to 2t.

pci express can be set to 110. that should be fine.

FSB strap to northbridge can be left on auto. i find this better as you can easily change the ddr speeds.

now for the cpu. max out the multiplier. them up the FSB in incruments of 5. stress test for a while then reboot and increase. if you cant boot then up the vcore. i got my e2180 to 1.52vcore on air cooling and its fine. these 65nm chips are very tolerant when it comes to vcore.
    
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post #5 of 7
Thread Starter 
Well at least im not the only one lol. Good thing for youtube I found someone on there that had the same processor and a similar asus board, apparently the e4500 has a fsb wall at 390 mhz, Im not pushing it that high because apparently the guy need over 1.5 vcore, instead im at 380*8 1.39 vcore with a .02 vdrop. been running prime95 for 5 minutes so far no problems, temp around 60c, thats a pretty solid 3.0ghz as far as I can see.
post #6 of 7
the thing is that the P5K pro is the lower end mother board to the P5K. it not that much of a overclocker compared to the rest of the P5K models on the market. but none the less it is a god board compared to some other.

when i mean lower end i can tell you one thing it has alot more BIOS features. these are the settings that i have on my P5K and they should work. and i wouldn't really trust youtube as the people don't really show stress testing.

edit: each CPU is different. they come from different parts of the waffer. i have two e2180's and one stops at 3.1ghz @ 1.45vcore the other to 3.1ghz on 1.35vcore. big difference i know.
Edited by usman_hussain1987 - 6/22/08 at 2:32pm
    
CPUMotherboardGraphicsRAM
Phenom 8450 x3 DFI DK 790FX ATi 2350 OCZ Fatality 2x2Gb 
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1x WD Cavier Blue - 1x Samsung Spinpoint F! 1Tb Samsung Write Master Vista 7 RC1 Wireless Keybaord 
PowerCaseMouseMouse Pad
Gigabyte ODIN Pro 550w Quad Rail 4U Rack Mountalble Wireless Laser Mouse BED LOL! 
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CPUMotherboardGraphicsRAM
Phenom 8450 x3 DFI DK 790FX ATi 2350 OCZ Fatality 2x2Gb 
Hard DriveOptical DriveOSKeyboard
1x WD Cavier Blue - 1x Samsung Spinpoint F! 1Tb Samsung Write Master Vista 7 RC1 Wireless Keybaord 
PowerCaseMouseMouse Pad
Gigabyte ODIN Pro 550w Quad Rail 4U Rack Mountalble Wireless Laser Mouse BED LOL! 
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post #7 of 7
Thread Starter 
well one of them, the settings Im using now did show a stress test, his voltage was higher though, he had his at 1.44 or something like that, its now been 22 minutes on prime95 no problems, if I can get a few hours out of prime 95 ill try lowering my core again, trying to get the lowest possible vcore and thusly the lowest temp. highest temp so far has been 67c which is a bit high but then again my system temp is at 46c
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