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Help with OCing P4 630.

post #1 of 11
Thread Starter 
Hi, i have just got my new system togeather. I have a ASUS P5LD2, P4 630 and 2 Gb corsair DDR2 533. I have got it over clocked to 3.8 with water cooling and a Vcore of 1.55. I know thats a little high for the vcore btu i had to in order to stop it from getting a BSOD. I want to to see how fast i can get my cpu to. I heard it can reach speeds of about 4.5 Ghz. I dont want to ceap it that high just ge it there and bench it then return to 3.8. My mobo has many over clocking options such as voltage adjustment for the cpu, ram chipset and others. Also timing and speed adjustment for the ram. By probelm is i dont kno wwhat to do. What should I adjust. My current mem timings are 4 4 4 12. I dont even know what that means. I have gotten my cpu up to 4Hgz at a 266 fsb x 15 but when ever i go higher it will get to widnows then restart. Can some one please help me and tell me what some other thing i can do to overclock. I have water cooling so heat is not an issue ans i just want to push it to the limits for a few minutes long enough to run a bench mark. Thanks for all your help. Feel free to email me or PM me if you need more specs.

P4 630 3.0 Ghz 64 bit 2mb L2
4 x 512 corsair pc 4200
ASUS P5LD2
480W PSU
Thermaltake water cooling
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post #2 of 11
Hi, i have the same cpu with a msi 945p. I can bench 4125mhz on air with some extra fans so you should be able to get higher imo.1.47v was enough to reach 4125mhz and bench without any troubles for me but the trick is i'm not increasing fsb on mobo,get 3.8ghz and use software overclocker (Asus's aibooster i think) after that on Windows. You gotta lower your fsb/dram ratio to make your mems work stable at ocd speeds.266fsb means +132mhz to the memory and if your divider is set to 1/1 that makes 665mhz and ofc your rams wont work at that speed with default voltage/timings.If there is an option for fsb/dram ratio on bios, lower it like 4/3 . I had Kingston 4200s but my mobo didnt had a fsb/dram divider option so i get mushkin pc5400s and works ok now.
post #3 of 11
Hi and welcome to overclock.net

You should go to user cp > edit system specs, fill that out and your system will show in your signature.

yeah i'd try keeping your Vcore down :s

Other then that, Kindredice is right about your RAM.
It's rated to run at 266, and its probably holding you back from going higher.
Try setting a divider (set your RAM-frequency on anything lower then 400 if you have this available)
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post #4 of 11
Thread Starter 
Why would the RAM be causing it? If the RAM is PC4200 then it runs at a speed of 266 Mhz right. And if i set my fsb to 266x15=4.0ghz. Thats as high as i can go. So you mean i cant even OC my mem my 1 Mhz. Also how can i adjust the mem timings and voltage. I can change them in the bios but im not sure what to set them to. Thanks
My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 ASUS P4LD2 Windows XP Pro 20" ViewSonic LCD 
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Logitech wireless 480W Nija Logitech wireless/optical 
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P4 630 ASUS P4LD2 Windows XP Pro 20" ViewSonic LCD 
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post #5 of 11
Quote:
Originally Posted by kbreudi
Why would the RAM be causing it? If the RAM is PC4200 then it runs at a speed of 266 Mhz right. And if i set my fsb to 266x15=4.0ghz. Thats as high as i can go. So you mean i cant even OC my mem my 1 Mhz. Also how can i adjust the mem timings and voltage. I can change them in the bios but im not sure what to set them to. Thanks
Doubt it's your problem, but PC 4200 means it runs at 262.5 mhz. (4200/16) You're running it a tad over stock, so you might have to loosen a timing or 2. For now, loosen them all the way up to see how high you can get them to run. You can work on tightening them back down once you have them at the speed you want.
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post #6 of 11
sounds like ur pci / agp locks arnt on they start to act up after 200mhz over clock hope this helps :-D
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post #7 of 11
Thread Starter 
Well i have the pci set to 33.33, i dont have an AGP slot but i have PCIE and it can be set to 90 to 150. What should it be set too?
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post #8 of 11
PCI-E should be set to 100 (or 90 I suppose if you really don't have any other option -which I doubt- ). It couldn't take 150
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Samsung: F1 640GB & F2 1000GB - Seagate: 320GB NEC ND3540A Win7 Pro LG L227WT 22" 
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Samsung: F1 640GB & F2 1000GB - Seagate: 320GB NEC ND3540A Win7 Pro LG L227WT 22" 
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post #9 of 11
Quote:
Originally Posted by kbreudi
Why would the RAM be causing it? If the RAM is PC4200 then it runs at a speed of 266 Mhz right. And if i set my fsb to 266x15=4.0ghz. Thats as high as i can go. So you mean i cant even OC my mem my 1 Mhz. Also how can i adjust the mem timings and voltage. I can change them in the bios but im not sure what to set them to. Thanks
Your cpu is 800fsb right,then it runs on 200mhz quad bumped,so while your cpu work on 200 your mems work on 266 as default and if you overclock your cpu to 266fsb and leave fsb/dram ratio on default that would make you mems work at 266+66=332(664 as ddr) and i dont think a ddr533 can work stable on 664 without any voltage or timing increase.Thats why.
post #10 of 11
Thread Starter 
No. When the mem and the cpu are at stock the cpu works at 200 and the ram does work at 266. But when i OC the cpu to 266 the FSB:RAM ratio gos to 1:1 so they both work at 266. So is it still the memory?
My System
(13 items)
 
  
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P4 630 ASUS P4LD2 Windows XP Pro 20" ViewSonic LCD 
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Logitech wireless 480W Nija Logitech wireless/optical 
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My System
(13 items)
 
  
CPUMotherboardOSMonitor
P4 630 ASUS P4LD2 Windows XP Pro 20" ViewSonic LCD 
KeyboardPowerCaseMouse
Logitech wireless 480W Nija Logitech wireless/optical 
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