Question about P4B266 1.8A Overclocking...

chaknchngo

Member
Jul 31, 2000
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My Rig (P4 1800) as you can see is overclocked to 2.1GhZ. That is a 20% increase from the CPU. My first question is, how much is considered "safe" increase in O/Cing. After reading this post by ThugsRook I tried the 3:4 ratio lock. I proceeded with the first few steps of the instructions. I set a 132 fsb with a 3:4 ratio, saved and exited. As soon as windows logged on, I browsed a little, and crash...my whole system reboots. So if my system can't handle it at 132 fsb, does that mean that it won't handle it at much higher fsb? If I was to proceed with the jumper settings anyways, would my system be able to stand or would I just be putting my hardware in danger? Any advice of how I can get more juice out of this baby would be greatly appreciated.
 

SupermanCK

Platinum Member
Mar 31, 2000
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setting fsb to 132+ would give your cpu to 2.4GHz+...and your ram would be running at 352ddr...meaning you are running your ram at 176MHz bus...jumpermode was said to be more stable...try it out...it won't hurt cause when you set your fsb to 133...all your pci/agp spec goes back to beginning 33/66 and up as you up your fsb...
if your system is still unstable...up the vcore by a notch...or until it is stable...test with prime95 and 3dmark2k1se...some games...multitask a bit...
 

SupermanCK

Platinum Member
Mar 31, 2000
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anything below 1.75v is good...that is the reading from windows...above that is not recommanded
HTH :)
 

THUGSROOK

Elite Member
Feb 3, 2001
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try it @ 133fsb 3:4 jumper mode see how it runs.
the problem @ 132fsb could simply be AGP/PCI spec being way off.