--- MUGWump <[EMAIL PROTECTED]> wrote: > I'll add that on the machines I plugged the 586/133 > chips into, I used > the 33 mhz chip setting and they worked fine (except > of course the AT&T > Globalyst 515's which wouldn't speed up no matter > what I set and how I set it).
Most likely they didn't send the right clckmul signal to the CPU. The "hotwiring" trick forces the AMD 5x86 to run at 4x bus speed no matter what. :) If you could find a 486 board that was 100% stable at 50Mhz, the 5x86 at 200Mhz was really nice. The most common glitch with the 5x86 was on some boards it would only run at 3x or sometimes 2x speed. That's why most of the upgrades had onboard jumpers to do the same thing as hotwiring a couple pins together. IIRC, connecting Pin R17 to any Vss pin forced 4x. Conveniently there is a Vss pin two to the right of R17 (skip one pin) when looking at the bottom of the CPU with Pin 1 in the upper left corner. I'd need to look at a diagram to be 100% certain. The pins are right on the edge, if they weren't it'd be a real PITA to wire them. Alternatively you can just solder a jumper wire onto the bottom of the socket. :) The POD63 and POD83 were real Pentium CPUs that ran at a fixed 2.5 multiplier. They required the Socket 3 or P24-T socket, a 486 socket with an extra row of holes. Intel nearly landed in court over the Pentium Overdrive because they took so long to start producing them as they said they would. POD63 ran on a 25Mhz bus and POD83 ran on a 33Mhz bus. They did not take well to overclocking. That's one chip intel designed exactly to spec. ===== Subatomic conspiracy group: The Free Mesons. Yes, they do drink Lepton Tea. At the Absolute Zero Lounge they drink iced Lepton Tea. They've even been to Dr. Strange's Charm School. __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com -- Mac-N-DOS is sponsored by <http://lowendmac.com/> and... / Buy books, CDs, videos, and more from Amazon.com \ / <http://www.amazon.com/exec/obidos/redirect-home/lowendmac> \ Support Low End Mac <http://lowendmac.com/lists/support.html> Mac-N-DOS list info: <http://lowendmac.com/lists/mac-n-dos.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/mac-n-dos%40mail.maclaunch.com/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
