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Just overclocked with BIOS - P4 3.0E to 3.3 GHz

post #1 of 6
Thread Starter 
i have juss over clocked my P4 3.0E GHz cpu to 3.3 GHz. i am concerned if my board will over heat or anything. here is a current list of what everything is running at.

CPU - 3.3GHz with a multiplier of 15
FSB- 220.0 MHz
Bus Speed - 879.9 MHz
Memory Freq on CPU-Z - 220MHz
Memory Freq on Easytune 5 - 438MHz (Why is this different than CPU-Z, if anyone knows please explain)
FSBRAM - 1:1
CAS# Latency - 3.0 clocks
RAS# to CAS# Delay - 4 clocks
RAS# Precharge - 4 clocks
Cycle Time (Tras) - 8 clocks
AGP - 66.66 MHz
PCI - 33.00 MHz

my average temp is about 34 degrees celsius
VCore - 1.328v

if everything looks good can i over clock a little more and if so how much?
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post #2 of 6
Congrats on the overclock! You should be able to push a bit more out of your system. Try upping the fsb somemore and see if your system is stable. Depending on what type of Kingston RAM you have you may be about to hit your memory's max speed. If this is the case, put on a divider so that you can continue to up the fsb. The reason CPU-Z shows a different speed is because the RAM is DDR (double data rate) so it just means that twice the work is done per clock cycle effectively doubling the speed of the RAM so your 220 mhz will be 440 mhz.
    
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post #3 of 6
Thread Starter 
how would i put on a divider and what should i divide by?
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CPUMotherboardGraphicsRAM
P4 Prescott 3EGHz OC @ 3.675GHz Asus P4C800-e Nvidia 6600 OC @ 400Mz Core 570 Memory 4 x Kingston 512MB PC3200 Dual Channel 
Hard DriveOSMonitorKeyboard
Seagate 320 Gig 7200 RPM Sata Raid Windows XP Home Edition Hyundai B70A Microsoft Wireless 
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post #4 of 6
In the BIOS, look for an option for either a fraction or speeds section. It'll say something like 4/4, 3/5 or DDR400, DDR333. Those are your dividers. To find out what speeds that correlates to, for the fractions just multiply your speed times the fraction to get the speed. If it says DDR333, 400 etc. just take that number and divide by 400 and then times the speed you are running (ie. a divider of DDR333 on RAM running at 240 mhz - 333/400*240 = 200mhz). So throw a divider on the RAM and then up the fsb until the computer stalls. Back down a bit until the computer doesn't stall. You can run Prime95 to check the stability of that fsb speed. Once you know the max of your fsb, you can put the divider back on a 1:1 ratio. Return the fsb back down and then up it until the computer stalls again. This should be lower than the fsb speed. Lower bit by bit again until it doesn't stall and check stabillity with MemTest. Now you have found your RAM and fsb max.

Of course, this is a quick crash course on OCing. You can always refer to the guides stickied at the top of the page for more in depth instructions on how to OC.

Good luck!
    
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post #5 of 6
Thread Starter 
so i should lower the frequency of my ram to something like 333?
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Seagate 320 Gig 7200 RPM Sata Raid Windows XP Home Edition Hyundai B70A Microsoft Wireless 
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My System
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CPUMotherboardGraphicsRAM
P4 Prescott 3EGHz OC @ 3.675GHz Asus P4C800-e Nvidia 6600 OC @ 400Mz Core 570 Memory 4 x Kingston 512MB PC3200 Dual Channel 
Hard DriveOSMonitorKeyboard
Seagate 320 Gig 7200 RPM Sata Raid Windows XP Home Edition Hyundai B70A Microsoft Wireless 
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post #6 of 6
Quote:
Originally Posted by scotty8825
so i should lower the frequency of my ram to something like 333?
Yes, lower your ram to 333 and then up the fsb a few increments at a time. Test for stability and continue if stable. Once stability is reached you can then test for ram timings.

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