On Wed, Aug 22, 2001 at 01:03:05PM -0500, Kent West wrote: > > I got an FIC motherboard with an AMD 1.2GHz Athlon; the mobo has a > jumper to switch between 100MHz and 133MHz bus speed. If I set it to > 133, I can then go into CMOS and watch the temperature monitor climb and > climb until the machine locks solid. Switching it back down to 100 > allows the machine to work properly. That's right, there are two separate types of Athlons - 100/200 MHz FSB and 133/266 MHz FSB. The speed that the chip is actually running at is determined by the FSB and the fixed[1] multiplier in the chip. Since you have a 1.2 GHz part, it's running a 12x multiplier (12 x 100). When you set the FSB to 133 MHz, you're essentially increasing (overclocking) your chip speed to 12 x 133, or 1.6 GHz. Without adequate cooling, you *will* cook your chip. In other words, unless you know for sure what you are doing, don't do it. Another consideration is memory. If you have PC100 memory and are trying to run it at 133, it may not work. For more information on overclocking, see http://www.anandtech.com and http://www.tomshardware.com. [1] There are ways to change the multiplier on the Slot A and Socket A Athlons, but vary from simple to not so simple. See the above sites for more info. -B -- Brandon High armitage@freaks.com Drink your Coffee! There are people in India sleeping.
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