<< I have a 450 from a B&W in my G3DT & the default jumper settings for 450
give you 466 from it. I have not tried to bump it beyond that.
When I first got this G3 (300) I bumped it one notch. I was told that you can
usually bump a G3 one notch (266->300) safely. >>


Yeah the beige works in multiples of 33.3333MHz. I couldnt get my 350
running at 400, had to settle for 366. So 50MHz seems hard on a 350MHz but I
believe it would be more doable the faster the processor is to start with.
----------


I usually count on 10-15% "overclockability" from a ZIF, and have only been disappointed once in several dozen such projects. Generally speaking, the faster the ZIF's rated speed the larger the "window of opportunity" for o/c'ing. A 350 should typically have ~35 to 50 MHz headroom to play with, and most seem to run fine at 400 MHz.

The stock bus speed on Gossamer/Artemis boards is 66.6 MHz, but there are motherboard settings for 70, 75 and 83.3 MHz.
The 70 and 75 settings change the PCI timing slightly (35 and 30 MHz respectively, instead of 33.3 MHz standard). The 83.3 MHz setting maintains the standard 33.3 MHz PCI speed, meaning fewer potential PCI card "issues"...*IF* your mobo will tolerate the higher settings; not all do.


....which is merely a preface to saying that a 350 ZIF that may not work at 400 will probably run quite happily in your Beige G3 at 375 MHz on 83.3 MHz bus; my AIO does. That same 350 ZIF ran stably at 400 in my B&W for months.

Any brave souls want the jumper settings chart...?

--
Gene, a.k.a. G-Man
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