FSB or CPU Voltage?

[dkim]

I've overclocked an AMD Athlon 750 to 1Ghz and when I used 9 x 111 fsb, it locked up while playing games. Temp seems to hover around 52-54.
Would reducing FSB and upping multiplier help to resolve this problem?
CPU V was set at 1.80 but I increased it to 1.825 after locking up(motherboard's Vcore seems to read about .5). I've changed the setting to 9.5 x 105 fsb as well and I have yet to test the system vigorously (but so far it seems ok).
Also, motherboard manual indicates that I should be worried when the temp goes above 60 and anything below is ok. What's the absolute max temp that I shouldn't cross so I can keep my CPU for at least 3 years?
Thanks in advance.

AMD Athlon Thunderbird 750Mhz @ 1Ghz
9.5 multiplier x 105 fsb
Abit-KT7
256mb Micron
Stock Athlon CPU fan with two internal fans

 

[jinsonxu]

What HSF? Consider getting a better one. FSB overclocking isn't really stable on KT133.

 

[IaPuP]

Don't let the CPU cross 60C

Over time the maximum speed of an OCed chip decreases. Most people don't notice that much because they keep their chips for 6 months but 3 years from now, you probably will be stuck at 800-850.

The FSB on many KT133 boards cannot go above 110 MHz try increasing the IO Votage to maximum- that often helps the chipset reach 115 or so. The KT7 has active northbridge cooling so the voltage shouldn't be too much of a problem.

Eric

 

[dkim]

Thanks for the reply.
I set it at 9.5 x 105 fsb and it seems quite stable around 45C when casually using the computer.
Also, ran Quake 2 Demo and SETI for about 8 hours and no problem at all. Since I plan on to use this CPU for a while (2-3 yrs.) I think I wouldn't go over 1Ghz.
Btw, wouldn't 10 x 100 be better(or safer) than 9.5 x 105?
Anyway, thanks again.

 

[IaPuP]

Go ahead and leave it at 105 unless you're using older PC100 memory who's long-term stability could be comprimised by the 105MHz setting.

Eric

 

[Hala]

I heard that 55C is max. 111mhz FSB on KT133 really stable?

 

[IaPuP]

Well, I've had good luck up to about 115 with increased IO voltage on the A7V.
I've had luck up to about 120 on the KT7 with increased IO voltage.

Some boards can handle it better.

Eric