NetNews Usenet Archive 1992 #31/NN_1992_31.iso/spool/comp/sys/mac/hardware/24730

Text File | 1992-12-22 | 1.6 KB | 31 lines

Newsgroups: comp.sys.mac.hardware
Path: sparky!uunet!zaphod.mps.ohio-state.edu!rpi!simsh
From: [e-mail] (Big Guy)
Subject: Finally got my IIsi to 25mhz!
Message-ID: <![e-mail]>
Nntp-Posting-Host: crockett1a.its.rpi.edu
Date: Tue, 22 Dec 1992 02:07:43 GMT
Lines: 21

Well, after waiting a month and a week for my crystal to arrive due to the
campus electronics store's silliness, I finally got my 50mhz crystal for my
IIsi. After removing the old one, jabbing myself in the thumb with the pins
from the new one (ouch!), etc. I finally got my computer set up. It was truly
amazing! I checked with Speedometer and also did some scrollbar tests in Micro-
soft Word 4 and found my document's scroll time in 8-bit color went from 40
seconds before to 27 seconds after. Not bad! And from 10 seconds in b&w to 6.5
seconds! Not twice as fast 8-bit as before, but not bad! Also, I have 5megs of
RAM on my si, all of it 80ns. I have a nubus/fpu board installed. I have a heat
sink on BOTH the cpu AND the fpu, just because. I have experienced NO problems
at all due to this upgrade. Also, I touched the crystal and cpu after the
computer was on for a couple of hours, and the crystal was cool to the touch,
the cpu slightly warm as expected with the heat sink, the fpu was also cool to
the touch (well not cool, but room temperature, you know what I mean...) Thanks
to the original posters who convinced me to do this to my expensive piece of
equipment! Tomorrow, I go to the store and order a 60mhz crystal, will let
everyone know how it works when I get it sometime next year!

--
Hillel Sims      Rensselaer Polytechnic Institute      e-mail: [e-mail]