overclocking error?

[Caprice]

well I just got my G400(Cya ATI!)and it seems
to work pretty good...Now my P3-450 is already at 504MHZ but I wanted to try it at
124FSB(558)...installed fan onto heatsink of
video card and positioned another one right
at the card itself...have factory fan/heatsink on processor and of course one
in front(intake)and one out back(exhaust)
Q2 timedemo ran ok but when trying 3DMark
it kicked me back to desktop...tried GP500
demo...same thing...now is this a video card thing or is it sumthing else?...I'm familiar
with the Bios so if anyone has any suggestions I'd appreciate it...Thanx!
Caprice

[Caprice]

sorry...almost forgot system spex....
P3-450@504Mhz(for now!?)
BH6 mobo
128 PC100
SB Live! Value
G400 single head OEM
(o/c at 150/200 but did clock it back when o/c computer)
Maxtor 10.2 7200RPM
Fujitsu 13.6 5400RPM
Pioneer 6x DVD
Winblows 98SE

P.S.what is the actual clock speed of this G400? Thanx for any replies!

[Thundrchez]

The vanilla G400 runs its core at 125MHz and its memory at 150MHz, if I'm not mistaken. The AGP interface speed should be set to 2/3 of your FSB. Make sure that you are not using the 1/1 divisor with that FSB speed.

With overclocking, it could be anything. It could be that your CPU can't handle it, your chipset couldn't handle it, video card couldn't handle it, etc.

One thing that you might try is forcing agp 1x. Download the PD 5 registry hacks from the MURC utility downloads and install the one named forceagp1x.reg, and reboot for it to take effect. There really is very minor differences between agp1x and agp2x with today's games, and it could be just the extra stability you need to have your system nicely overclocked.

[ALBPM]

Hi Caprice,

You may have to increase the CPU voltage a bit. It sounds like your there but need a bit more voltage to keep it running through the more taxing applications.

Paul




[This message has been edited by ALBPM (edited 22 January 2000).]

[Caprice]

well ALBPM...that was it!...upped the voltage
to 2.10 and its stable...ran 3DMark2000 for
30 minutes and played KP online for an hour
and smooth as silk...no crashes!...will try
2.05 later this week to see if it will run
at that setting...the lower the better right?
thanx again...Cya

[This message has been edited by Caprice (edited 22 January 2000).]

[Thundrchez]

Voltages and chips these days are strange beasts. "The lower the better?" Well, maybe, but then again, maybe not.

One of the parts my company is working on now is spec'd to be a 3.3V part. Unfortunately, it does not work above 2.2V. Silicon does interesting things throughout the whole spread of temperature and voltage.

You're probably a little better off by running at 2.05V vs 2.10V. In the long run, though, it probably is not going to make any difference. You're probably going to upgrade within 3 years, and that is *way* before the detrimental affects of higher voltage start to kick in.

Glad things are working for ya!

[Wombat]

Thunderchez is right on. However, if 2.05 runs as stable as 2.10, go for it. Less power--> less heat. Less heat is better for your system overall, at least 99.99995% of the time.