SPONSORED LINKS
Thanks for the information. I called IBM Canada's sales support line.
It sounds like the upgrade is the P24T, because they tell me that it
isn't as fast as a true 75MHz Pentium due to the 32-bit external data
path. Not surprisingly, the person that I talked to didn't know
anything about a 10% performance degradation compared to a 100MHz
486DX4. Is there an on-line source for this information?
Scott
______________________________ Reply Separator _________________________________
Subject: Re: 755cd pentium upgrade
Author: Michael Verne/VENTANA <Michael_Verne/VENTANA.ITP@lgate.vmedia.com>
<original text deleted>
most dx4/100's, *including* the tp 755cd are clock-tripled on a 33mhz board.
(most other ibm dx4/100's are, much to their own undoing, clock-doubled on a
50mhz board.) most pentiums, i'm told, run 3 instructions per 2 clock cycles,
so a 75mhz pentium runs on a 50mhz board. i don't know if this applies to this
particular upgrade, but i would also want to find out if this pentium chip is
of the p24t variety. if so, don't do it. the p24t technology is like a
pentium sx. it's 64 bit internally, but 32 bit externally, and the 75mhz
version runs (according to ibm) about 10% slower than a dx4/100.
Michael J. Verne
michael_verne@vmedia.com
Systems Analyst, Ventana Communications Group
http://www.vmedia.com/michaelv/