Overclocking the K7T266

[KhakiBoy]

I posted this on the overclocking thread, but wanted to post it here as well. I switched the stock HSF with the WBK38 and added some AS and started playing with OCing the board. I was able to get it up to 150MHz FSB, the magic # I wanted to hit. The system ran ok, with a few lockups. USB didn't work at this speed, at least my AnyPoint USB network adapter wouldn't. Right now I have the WBK38 plugged into the power supply using the 3pin to 4pin PS adapter that came with it. Does anyone know if the k7t266 will handle plugging the WBK38 directly into the board? I'd like to be able to monitor the fan speed through the board. You can check out my post on the overclocking thread for the Sandra #'s.

 

[$pade]

khaki,
u running it at 1.5 ghz? My chip's limit at default voltage seems be around 1450. As soon as i get some better cooling I will try to up the voltage. I hope to run run my system at 10*150 cas 2, 4-way interleaving, and 1t enabled. Only problem is that usb won't work past 140 fsb. Anybody know a workaround?

 

[KhakiBoy]

$pade: yea, I had it running at 1.5GHz (10*150FSB). I ran the auto overclock option in FLIII and it actually got it higher during its tests, around 1570MHz. I put my case together and now my system is running hotter, about 45C. I reran the auto overclock option and got similar results. My USB seems to go at about 137MHz FSB. I'm just playing around right now. I'm going to run the system at 1.33GHz. I can always OC it later when I get tired of 1.33 LoL. But for now it's fast enough, twice as fast as the 650MHz I had before. I'm a little surprised by my temp. I figured the WBK38 and AS would cool it more. I have 2 case fans, 1 intake, 1 exhaust. I tried to organize the cables and best as possible to allow better airflow. I even hand-folded my IDE cables. What temps are the rest of you getting?

 

[Instigator]

KhakiBoy,
45c is not bad at all. Remember that Tbirds run hot anyway, but 45c is more than acceptable especially running at 1.5ghz. If you were running at 60c+ under full load, then I'd be worried. Anywhere in the upper 40c and lower 50c is just fine. Also, nice overclock!

 

[KhakiBoy]

I know 45C isn't bad, but from the HSF reviews I expected more down around 40C. Right now I'm just running at 1.33GHz. The 1.5GHz kills the USB and I need to use USB items. But it was fun to play around overclocking. I didn't do too much at that speed, just ran some Sandra benchmarks. It was nice to hit that 1.5GHz mark though!

 

[Riverhound]

I have my fop38 plugged into the mobo plug and i dont see any probs. although it is only running around 5900 RPM at its highest. dunno if thats why though. my temps range from 35c to 50c, depending on the room temp mostly. haven't tried any USB yet.

 

[KhakiBoy]

I plugged my WBK38 into the fan header on the mobo and got similar speeds, max seemed to be 5900. I plugged it back into the power supply adapter and didn't notice any difference in speed, at least not by sound. It seems the first time I plugged it in (to my old system just to hear how loud it was) it was quite a bit louder. I'm not complaining though. It's cooling fine (mid-upper 40'sC) and it's not too loud. I originally plugged one of my case fans into the cpu fan header but unplugged it from there to see if it would boot (I know some boards won't boot if no fan is plugged into the cpu fan header) and it boots fine. Wierd thing is Fuzzy Logic reports the cpu fan speed as 6457, guess that's the lowest it will show.