On 6/5/03 4:27 PM, Dan S posted:
But I have one basic question; When starting up a G3 PCI Mac w/ extension OFF... ...what will it do?? I am used to G3-modified nubus Macs, which of course retain the original processors...
It will use the G3 processor at whatever speed it's set to. However, it probably will not use the backside level 2 cache without the extension, so it won't be quite as fast as it would be otherwise.
If it's a 7/8/9X00 PCI PM then the backside cache wouldn't be enabled with extensions off. If it is a G3 PowerMac (shipped with a G3) then AFAIK it will have the cache active even if extensions are disabled at startup.
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Clark Martin
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Macintosh / Internet Consulting
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