Pentium M compatible w/ i845mp?

eospace

Junior Member
Mar 13, 2004
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I'm newbie here. I've done a cursory search on the forum but can't find any definitive answer to my question. My question is in regards to the following quote from Anandtech:

"In order to feed the higher IPC execution core, Intel outfitted the Banias with a 64-bit 100MHz quad-pumped FSB, identical in design to the Pentium 4's FSB. The Banias' FSB is even electrically compatible to the Pentium 4's FSB, which is why any Pentium 4 chipset is able to interface with the chip as we saw at IDF with this E7501/Banias setup..." (Anandtech, March 12, 2003)

This has bugged me for months. Can one then remove a P4-m cpu from a laptop w/ a mobile i845 chipset and replace it w/ a Pentium-M cpu, and expect the laptop to fly? I do know that the Pentium-M comes in two package forms: m-fcpga and m-fcbga. I think the former uses 478 pins, and the latter is definitely not compatible.

Anyone tried it? I think us i845mp owners would love to have an answer to this one.