P4 2Ghz @ 2,67 Ghz anyone?

vbimport

#1

Hi,

I did some tests today with a 2Ghz CPU; 400Mhz FSB.
It runs without any problem on an ASUS P4T-533c, at 533 FSB…

Because of it’s locked multiplier, the cpu runs at 20 x 133 = 2667Mhz, without overclocking the whole motherboard. Normally, the CPU is designed for 100Mhz quadpumped but the system has been running for a day now and no error occured. 100% cpu-usage was no problem at all. Temperatures stay under 48°C.

I did some Sisoft Sandra tests and it equals the 2,66Ghz model (it’s even slightly faster)

Is this all normal, or am I extremely lucky? Or am I about to fry my cpu and mobo? :slight_smile:


#2

Not every P4 2,0 CPU will be able to run at this frequency, but it is not a miracle.

When the first P4 2,2’s hit the market, www.blue-hardware.com ran it at 2,93, and it worked. Many P4 Northwoods run at astonishing clock speeds.

However, I’m less lucky: My P4 2,4 does not want to run faster than 2,84.

P4’s are internally protected against overheating, so it’s virtually impossible to fry it.


#3

Just make sure you don’t raise your VCore above 1,70V. Lots of Northwoods have (suddenly) died because of overlocking (VCore too high). This is called SDNS - Sudden Death Northwood Syndrome.

About Sandra: don’t trust it too much. It’s nice for comparing your system with other systems, but the built-in values don’t perfectly represent the real-life performance. These values are “synthetic”…


#4

That’s indeed pretty similar to my experiences; I can’t overclock a 2.26Ghz on the ASUS mobo, whereas the 2Ghz now runs 400Mhz faster than the 2.26 on the very same mobo.

So I guess I had good luck with the 2Ghz and bad luck with the 2.26 :slight_smile: