I suggested the FPU because the floating point performance of the 040 is not as impressive as it's integer performance. It behaves more as if it were running at 33MHz, not 66MHz. For example, a PowerMac 6100/60 can run MacAMP and play MP3s in real time, but a Q840AV can't (80MHz effective 040).
Terry > Okay, I am neither an electrical engineer nor a teacher, so I don't > really know what I can't explain anyway :) > > There are many parts inside a CPU. Inside a 68040 there are four main > areas: integer unit, floating point unit, instruction memory unit and > the data memory unit. There are paths within it that move data around. > The bus controller is the part that interfaces with the board. This > runs at 25, 33 or 40MHz inside the MC68040. For this reason, Motorola > marks the chip as a 25,33 or 40MHz chip. One (or more) of the paths in > the chip runs at double speed. I am unaware of which it is, although > Terry suggested that the FPU might run at single speed. > > Heres a diagram of the chip: > http://e-www.motorola.com/webapp/sps/components/hot.jsp?code=MC68040 ---------- Duo/2400 List, The friendliest place on the Net! A listserv for users and fans of Mac subportables. FAQ at <http://www.themacintoshguy.com/lists/DuoListFAQ.shtml> Be sure to visit Mac2400! <http://www.sineware.com/mac2400> To unsubscribe, E-mail to: <[EMAIL PROTECTED]> To switch to the DIGEST mode, E-mail to <[EMAIL PROTECTED]> Need help from a real person? Try. <[EMAIL PROTECTED]> ---------- Dr. Bott | 10/100 Ethernet for your 2400 is finally here! MPC-100 | <http://www.drbott.com/prod/mpc100.html> NineWire | If they are cool enough to host this list... Digital Solutions | ...you should check them out! http://www.NineWire.com/ Midwest Mac Parts ][ <http://www.midwestmac.com> After-market parts for Macs. ][ 888-356-1104 ][ MacResQ Specials: LaCie SCSI CDR From $99! PowerBook 3400/200 Only $879! Norton AntiVirus 6 Only $19! We Stock PARTS! <http://www.macresq.com>
