FSB question

TheMainFrame · 05-15-05, 01:32 PM

I go into bios and set my FSB to lets say 250..

When i restart it shows it at 251 at startup

No matter what i set it at its always 1 higher on startup

Is that normal? is it 251 or is it 250?

fAlCoNNiAn · 05-15-05, 02:40 PM

on my 8KNXP, the clock gen isnt always on the dot about the clock, same goes for almost every motherboard. if you open up cpu-z, look at the fsb, it will say something like 250.X, if that x is higher then 5, then the bios will round it off to the next number, in your case, 251, but the clock is still 250.X . its just the bios rounding it off. if it gets unstable at 250, go down to 249, becuase it might be clocked at 249.8 and you will still get a close enough clock rate.

hope that helps.

Hamm3r · 05-15-05, 02:51 PM

Im running 230FSB with my NF7-s, and on post it always says memory frequency is 458Mhz. But then I check it from CPU-z and it says 230.5

fAlCoNNiAn · 05-15-05, 10:49 PM

Quote:

Originally Posted by Hamm3r

Im running 230FSB with my NF7-s, and on post it always says memory frequency is 458Mhz. But then I check it from CPU-z and it says 230.5

.... Memory is DDR (Double Data Rate). 230 x 2 = 460 mhz ~ 458 mhz...... so is the fsb for amd boards, 200x2=400mhz. for intel its quad, 200x4=800.

to the world of overclocking.

05-15-05, 01:32 PM	Thread Starter #1
TheMainFrame Member Join Date: Mar 2005	FSB question I go into bios and set my FSB to lets say 250.. When i restart it shows it at 251 at startup No matter what i set it at its always 1 higher on startup Is that normal? is it 251 or is it 250? __________________ Enclosure - Silver MGE Sidewinder CPU - Pentium 4 3.2Ghz 640 @ 4.0Ghz - 250 x 16 - 1.45v :p CPU Cooling - Swiftech MCP6002, MCP655 Pump, and BIX II Mobo - GA-8I915P Duo w/ Northpole Northbridge Cooler and Mosfet Sinks Memory - 2 X 512 OCZ Platinum EB Rev 2 LE Dual Channel PC2-4200 - 3-2-2-8 @ DDR500 1:1 Graphics - MSI 6600GT @ 575/1250 3DMark05 = 3920 3DMark03 = 9341 3DMark01SE = 21237 GPU Cooler - NV Silencer 6 Rev 2 and Ram sinks Sound - Sound Blaster Audigy 2 Power - OCZ Powerstream 520W
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05-15-05, 02:40 PM	#2
fAlCoNNiAn Member Join Date: May 2004 Location: Washington, D.C. \| Syracuse University	on my 8KNXP, the clock gen isnt always on the dot about the clock, same goes for almost every motherboard. if you open up cpu-z, look at the fsb, it will say something like 250.X, if that x is higher then 5, then the bios will round it off to the next number, in your case, 251, but the clock is still 250.X . its just the bios rounding it off. if it gets unstable at 250, go down to 249, becuase it might be clocked at 249.8 and you will still get a close enough clock rate. hope that helps. __________________ Pentium 4 3.4E (SL7E6 D0 Step) @ 3.8 Ghz Stock vcore * Gigabyte 8KNXP Rev. 2.0 Mobo (i875) FK * 1.5 Gig Dual Channel 3200 Ram Samsung TCCC 3-3-3-6 1:1 * TTBT (Aerocool GateWatch) * Sapphire 9800 XT + ATI Sliencer 3 * OCZ Powerstream 600 Watt PSU .:..:.:. "Sitting on a bench in the sunshine, Filling up my belly with some fine wine."
	QUOTE Thanks

05-15-05, 02:51 PM	#3
Hamm3r Join Date: Mar 2004 Location: Varazdin, Croatia	Im running 230FSB with my NF7-s, and on post it always says memory frequency is 458Mhz. But then I check it from CPU-z and it says 230.5 __________________ P5B-dlx wifi Core2Duo E4300 2GB Corsair DDR2 800Mhz Sapphire Radeon HD4850 Enermax 460 Watt Support Overclockers.com DC teams!
	QUOTE Thanks

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