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post #11 of 21
Thread Starter 
Quote:
Originally Posted by RPIJG View Post
go into the bios and start raising the FSB in 5-10MHz increments, then check to make sure the system is stable with a program like Orthos, monitor heat, no higher than 60ºC at full load. If you get errors try raising the vcore a notch and check stability again. At some point you may need to unlink the memory, which may not be a bad idea to start with.
How much is a notch? Also how do I check stability? How can a system be called stable?
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Northwood P4 2.4Ghz Asus P4PE Geforce 4 - 64 MB 1G (2 x 512 MB) 
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Northwood P4 2.4Ghz Asus P4PE Geforce 4 - 64 MB 1G (2 x 512 MB) 
OS
Windows XP SP2 
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post #12 of 21
In your bios you should see a list of possible voltages to select from. A "notch" by definition is one voltage higher/lower than the selected voltage. You should check the downloads section of the site for a program called Orthos. If Orthos can run on your setup for 8 or more hours (some go to 12 or 24 hours) it is considered a stable overclock.
R'lyeh
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300GB WD VelociRaptor, 320GB WD Caviar 7200 Lite-On 20X DVD+R Ubuntu 10.04 x64 / Vista Home Premium x64 Samsung 226BW 
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R'lyeh
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300GB WD VelociRaptor, 320GB WD Caviar 7200 Lite-On 20X DVD+R Ubuntu 10.04 x64 / Vista Home Premium x64 Samsung 226BW 
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post #13 of 21
Quote:
Originally Posted by afzsom View Post
In your bios you should see a list of possible voltages to select from. A "notch" by definition is one voltage higher/lower than the selected voltage. You should check the downloads section of the site for a program called Orthos. If Orthos can run on your setup for 8 or more hours (some go to 12 or 24 hours) it is considered a stable overclock.
exactly
    
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Q9650 E0 @ 4GHz (445x9) on 1.325V (bios) | ASUS Rampage Formula x48 | | BIOS 0410 | Visiontek 4870 790/1100 | 2x2GB G.Skill PI @1069MHz | 1.9V | 5-5-5-15 2T | 
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post #14 of 21
Thread Starter 
Quote:
Originally Posted by afzsom View Post
In your bios you should see a list of possible voltages to select from. A "notch" by definition is one voltage higher/lower than the selected voltage. You should check the downloads section of the site for a program called Orthos. If Orthos can run on your setup for 8 or more hours (some go to 12 or 24 hours) it is considered a stable overclock.
In case of unstable, how can I say its unstable? Will the system not boot at all or it will boot? Does it still boot even unstable? I am just making sure its not set too high or it may ruin my system.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Northwood P4 2.4Ghz Asus P4PE Geforce 4 - 64 MB 1G (2 x 512 MB) 
OS
Windows XP SP2 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Northwood P4 2.4Ghz Asus P4PE Geforce 4 - 64 MB 1G (2 x 512 MB) 
OS
Windows XP SP2 
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post #15 of 21
That is why you do it in increments. You don't just run the system up to 4GHz, jump the Vcore up to 1.55V and say, here we go. You do it in steps and you check stability as you go. There are varying degrees of stability. If you really go too far, it may not boot, heck it may not even POST and then you'll have to do a CMOS clear and startover. Sometimes you'll get a POST, but it won't go any further, sometimes you get a boot but then you get alot of BSOD's. Sometimes you may think that everything is fine, when in fact... it's really not for longer periods of time. Hence, Orthos should be run for at least 8 hours with no errors, then you know that you can make it at least 8 hours with the computer at full screech without a problem.
    
CPUMotherboardGraphicsRAM
Q9650 E0 @ 4GHz (445x9) on 1.325V (bios) | ASUS Rampage Formula x48 | | BIOS 0410 | Visiontek 4870 790/1100 | 2x2GB G.Skill PI @1069MHz | 1.9V | 5-5-5-15 2T | 
Hard DriveOptical DriveOSMonitor
Seagate 2x320GB 7200.10 in RAID 0 + 250GB 7200.10 Lite-On DVD+-R/RW DL Vista Ultimate x64 42" Aquous @ 1440 x 900 (1920 x 1080 is too small) 
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Logitech MX5500 Silverstone DA750 THE Rocketfish Logitech MX Revolution 
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Neat one from Body Worlds exhibit 
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CPUMotherboardGraphicsRAM
Q9650 E0 @ 4GHz (445x9) on 1.325V (bios) | ASUS Rampage Formula x48 | | BIOS 0410 | Visiontek 4870 790/1100 | 2x2GB G.Skill PI @1069MHz | 1.9V | 5-5-5-15 2T | 
Hard DriveOptical DriveOSMonitor
Seagate 2x320GB 7200.10 in RAID 0 + 250GB 7200.10 Lite-On DVD+-R/RW DL Vista Ultimate x64 42" Aquous @ 1440 x 900 (1920 x 1080 is too small) 
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post #16 of 21
Thread Starter 
Quote:
Originally Posted by RPIJG View Post
That is why you do it in increments. You don't just run the system up to 4GHz, jump the Vcore up to 1.55V and say, here we go. You do it in steps and you check stability as you go. There are varying degrees of stability. If you really go too far, it may not boot, heck it may not even POST and then you'll have to do a CMOS clear and startover. Sometimes you'll get a POST, but it won't go any further, sometimes you get a boot but then you get alot of BSOD's. Sometimes you may think that everything is fine, when in fact... it's really not for longer periods of time. Hence, Orthos should be run for at least 8 hours with no errors, then you know that you can make it at least 8 hours with the computer at full screech without a problem.
wow, so it takes days. Every time you increment it, you check it with Orthos for at least 8 hours.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Northwood P4 2.4Ghz Asus P4PE Geforce 4 - 64 MB 1G (2 x 512 MB) 
OS
Windows XP SP2 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Northwood P4 2.4Ghz Asus P4PE Geforce 4 - 64 MB 1G (2 x 512 MB) 
OS
Windows XP SP2 
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post #17 of 21
Nah, not every single time. Lets say you go 5-10MHz increments, and you do this a few times for a sum total increment of 30MHz on your FSb. Every 25-30MHz, I'd do an 8hr stability testing. Every 5-10MHz, only 15-30 minutes is sufficient for me, personally.
R'lyeh
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CPUMotherboardGraphicsRAM
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Hard DriveOptical DriveOSMonitor
300GB WD VelociRaptor, 320GB WD Caviar 7200 Lite-On 20X DVD+R Ubuntu 10.04 x64 / Vista Home Premium x64 Samsung 226BW 
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R'lyeh
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CPUMotherboardGraphicsRAM
Q9550 (4.03GHz) Gigabyte EP45-UD3P EVGA GTX285 4GB (2x2) Corsair Dominator (5-5-5-15, 2.1v) 
Hard DriveOptical DriveOSMonitor
300GB WD VelociRaptor, 320GB WD Caviar 7200 Lite-On 20X DVD+R Ubuntu 10.04 x64 / Vista Home Premium x64 Samsung 226BW 
KeyboardPowerCaseMouse
Generic P/S2 Corsair HX750W Lian-Li V2000 Logitech G3 
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post #18 of 21
Pretty much what he said. In the beginning you can take bigger chunks, but as you start nearing thresholds you have to go slower. When I OC'd my PD940 it took me 3 or 4 days to get it to a stable 4GHz. I've been tinkering to go higher ever since.
    
CPUMotherboardGraphicsRAM
Q9650 E0 @ 4GHz (445x9) on 1.325V (bios) | ASUS Rampage Formula x48 | | BIOS 0410 | Visiontek 4870 790/1100 | 2x2GB G.Skill PI @1069MHz | 1.9V | 5-5-5-15 2T | 
Hard DriveOptical DriveOSMonitor
Seagate 2x320GB 7200.10 in RAID 0 + 250GB 7200.10 Lite-On DVD+-R/RW DL Vista Ultimate x64 42" Aquous @ 1440 x 900 (1920 x 1080 is too small) 
KeyboardPowerCaseMouse
Logitech MX5500 Silverstone DA750 THE Rocketfish Logitech MX Revolution 
Mouse Pad
Neat one from Body Worlds exhibit 
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CPUMotherboardGraphicsRAM
Q9650 E0 @ 4GHz (445x9) on 1.325V (bios) | ASUS Rampage Formula x48 | | BIOS 0410 | Visiontek 4870 790/1100 | 2x2GB G.Skill PI @1069MHz | 1.9V | 5-5-5-15 2T | 
Hard DriveOptical DriveOSMonitor
Seagate 2x320GB 7200.10 in RAID 0 + 250GB 7200.10 Lite-On DVD+-R/RW DL Vista Ultimate x64 42" Aquous @ 1440 x 900 (1920 x 1080 is too small) 
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Logitech MX5500 Silverstone DA750 THE Rocketfish Logitech MX Revolution 
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post #19 of 21
Thread Starter 
Ok this is what I did. I changed the CPU External Frequency to 155 Mhz. The default was 133. I gained like around 400 Mhz speed (2.80 Mhz). I fired up XP to check the temp. It was 45 C under idle condition for half an hour. So there is no change in temperature even after overclocking. Does that mean I can overclock it more? I set it back to default after half an hour not sure if I am doing the right thing. Thought I might have left settings for RAM and others. So in terms of 1:1 ratio, I have no idea what is it. If I change the CPU External Frequency, do I need to change any thing else like RAM frequency as well or increasing the CPU External Frequency can do it all?

Sorry guys this is my first attempt to oc.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Northwood P4 2.4Ghz Asus P4PE Geforce 4 - 64 MB 1G (2 x 512 MB) 
OS
Windows XP SP2 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Northwood P4 2.4Ghz Asus P4PE Geforce 4 - 64 MB 1G (2 x 512 MB) 
OS
Windows XP SP2 
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post #20 of 21
Without a doubt, three things affect cpu temperatures. Final clock speeds, ambient temps, and most of all, voltages. More voltage running through the chip lets off way more heat than simply increasing the final speeds.
R'lyeh
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CPUMotherboardGraphicsRAM
Q9550 (4.03GHz) Gigabyte EP45-UD3P EVGA GTX285 4GB (2x2) Corsair Dominator (5-5-5-15, 2.1v) 
Hard DriveOptical DriveOSMonitor
300GB WD VelociRaptor, 320GB WD Caviar 7200 Lite-On 20X DVD+R Ubuntu 10.04 x64 / Vista Home Premium x64 Samsung 226BW 
KeyboardPowerCaseMouse
Generic P/S2 Corsair HX750W Lian-Li V2000 Logitech G3 
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R'lyeh
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CPUMotherboardGraphicsRAM
Q9550 (4.03GHz) Gigabyte EP45-UD3P EVGA GTX285 4GB (2x2) Corsair Dominator (5-5-5-15, 2.1v) 
Hard DriveOptical DriveOSMonitor
300GB WD VelociRaptor, 320GB WD Caviar 7200 Lite-On 20X DVD+R Ubuntu 10.04 x64 / Vista Home Premium x64 Samsung 226BW 
KeyboardPowerCaseMouse
Generic P/S2 Corsair HX750W Lian-Li V2000 Logitech G3 
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