The 650's CPU is soldered to the logic board -- getting it out without destroying it would be very difficult!!!
---------- Original Message ---------------------------------- From: Jeff Walther <[EMAIL PROTECTED]> Reply-To: "Quadlist" <[EMAIL PROTECTED]> Date: Fri, 23 Apr 2004 14:58:38 -0500 > >>Date: Thu, 22 Apr 2004 18:10:10 -0700 (PDT) >>From: Mark Koan <[EMAIL PROTECTED]> >>Subject: [q] CPU of a 650 > >>> So you are saying that the CPU of a 650 can just be >>> popped out, and placed let's say in a 575? I thought >>> these chips were soldered on. > >Yes, they all use the Motorola 68040 and those puppies are consistent >in their pinout. There might be some machines (laptops, e.g.) where >the 68040 is soldered down, but in all the machines where they're >socketed, they're swapable. > >The only caveat is that a slower rated chip may not run well at >higher speeds, but my experience and the "wisdom" on the internet is >that even the 25 MHz 68040 clocks up to 40 MHz quite happily. > >Jeff Walther > >and: > >>Date: Fri, 23 Apr 2004 06:38:30 -0400 (EDT) >>Subject: [q] [Fwd: [q] CPU of a 650] >>From: <[EMAIL PROTECTED]> >> >>A quadra 650 and it's cousins have a 25mhz processor - the 575 has a 33. >>I got a Quadra 800 board and swapped its chip in to the 575 - things >>worked fine. - Dick > >The Quadra 650 has a 33 MHz processor. The Centris 650 has a 25 MHz >processor. The Quadra 610 has a 25 MHz processor but usually a >68LC040 w/o the FPU. The Centris 610 has a 20 MHz processor. The >Quadra 800 has a 33 MHz processor and the motherboard is essentially >identical to the Centris and Quadra 650. The Quadra 840/AV has a 40 >MHz processor and it is a whole different animal motherboard-wise but >the CPU will still swap out. > >Jeff Walther > >-- >Quadlist is sponsored by <http://lowendmac.com/> and... > > Small Dog Electronics http://www.smalldog.com | Enter To Win A | > -- Canon PowerShot Digital Cameras start at $299 | Free iBook! | > > Support Low End Mac <http://lowendmac.com/lists/support.html> > >Quadlist info: <http://lowendmac.com/lists/quadlist.shtml> > --> AOL users, remove "mailto:"; >Send list messages to: <mailto:[EMAIL PROTECTED]> >To unsubscribe, email: <mailto:[EMAIL PROTECTED]> >For digest mode, email: <mailto:[EMAIL PROTECTED]> >Subscription questions: <mailto:[EMAIL PROTECTED]> >Archive: <http://www.mail-archive.com/quadlist%40mail.maclaunch.com/> > >Using a Mac? Free email & more at Applelinks! http://www.applelinks.com > -- Quadlist is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Enter To Win A | -- Canon PowerShot Digital Cameras start at $299 | Free iBook! | Support Low End Mac <http://lowendmac.com/lists/support.html> Quadlist info: <http://lowendmac.com/lists/quadlist.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/quadlist%40mail.maclaunch.com/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
