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XP 2400 struggling at O/Cing

F

farmercal

Golden Member
I have an Asus A7N8X Dlx, Corsair XMS PC3500 RAM(2 X 512), and a XP 2400 CPU. The best overclock I can manage is 200 X 10 or 177 X 13. Any higher FSB or multiplier and I get either an overclocking failure or memory failure. I am running at stock voltage on the CPU, 165V. Would increasing the CPU voltage improve my overclock and what is the highest voltage you can set without frying the CPU? My CPU temps range in the 36-40C range in the current configuration. Any ideas would be appreciated.

Cal
 
Originally posted by: farmercal
I have an Asus A7N8X Dlx, Corsair XMS PC3500 RAM(2 X 512), and a XP 2400 CPU. The best overclock I can manage is 200 X 10 or 177 X 13. Any higher FSB or multiplier and I get either an overclocking failure or memory failure. I am running at stock voltage on the CPU, 165V. Would increasing the CPU voltage improve my overclock and what is the highest voltage you can set without frying the CPU? My CPU temps range in the 36-40C range in the current configuration. Any ideas would be appreciated.

Cal
Click to expand...

177X13 is very good - 2.3 Ghz! If your CPU goes up that high then your motherboard probably isn't that stable at 200 FSB - try running at 12 X 190 and see if that works.
 
Bump Core voltage to 1.7V - - - Vdimm to 2.8v

You should easily pull 2.2ghz or at least run a 200 FSB stable..

If not, bump your chipset voltage.

🙂
 
I raised the vcore to 1.75 and I am able to get 2.24GHz (13 X 172). When I had the Vcore set at 1.70 I had an overclocking failure with the same settings. I will keep raising the bus and see where it tops out. What does Prime 95 do for me and how long should I run the torture test?
 
When I started o/clocking my 2400+, admittedly on a kt400, I got to 2500 and hit a major wall. I went to every forum I could find and found that the wall is there for a lot of folks w/ nforce 2 boards and watercooling also. I can benchmark all night at 2250 but if I go ONE step up on the fsb at lower multi (higher volts etc) or try to o/clock my video card ONE step more the whole thing falls to pieces.

Maybe it is my lack of skillz but so many folks told me their sob stories too that I accepted it - got an nforce2 board to try again but then grabbed a cute 1700+ chip, built a second system, etc. so I just left this one at 2250.

Good luck; think if you pass this one you can really make a big jump afterwards. Course I'll turn green with envy!
 
its all about stepping bootoo. with a bad chip stepping it doesn't matter what you do. with a good one, even a pos m/b like my ecs can pull off miracles🙂

 
I am at 13 X 174 (2.26G) and Prime Torture test failed almost as soon as it started. Does that mean I have gone too high and need to back off? System seems to be stable at this time and CPU temp is 40C idle.
 
When you say needs more juice...do you mean the Vcore? I have it up to 1.775V now, do I need to go higher? I have the settings of 205 x 11 right now (2.26G) and Prime Torture test failed within 2 minutes of starting. How high can you set the Vcore safely?
 
more vcore.

vcore can be set in some bios. in others... you don't have the option. that or you can do the pin or socket mods.
 
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