New Mac OS/Power Computing
Chris Thomas
I'm finally getting around to taking the plunge into 8.1, and first of
all, I wanted to see if things were still running well for Power
Computing users that have upgraded to Mac OS 8.1
Is there anything you might want to offer a fellow Power Computing
user before I do a clean install of Mac OS 8.1 onto my PowerCenterPro
210?
(I was talking with one of the Power Computing tech. guys not too long
ago and he said that they strongly do NOT recommend upgrading to
8.0/8.1.
He said that the new Mac OS's (beyond 7.6.1) were not intended for our
machines and have proven to cause problems with the hard drives, and
that if we DO upgrade, they'll cancel the warranty on our hard
drives.)
Has anyone else heard this?
And if so, why hasn't this scared the crap out of Power Computing
people with regards to upgrading recent Mac OS's?!
Best regards,
Chris,
Muse Manifest Music
Perry Stout
>
> Dear Power Computing users,
>
> (I was talking with one of the Power Computing tech. guys not too long
> ago and he said that they strongly do NOT recommend upgrading to
> 8.0/8.1.
> He said that the new Mac OS's (beyond 7.6.1) were not intended for our
> machines and have proven to cause problems with the hard drives, and
> that if we DO upgrade, they'll cancel the warranty on our hard
> drives.)
OS 8 had an awful problem with the disk driver software--the new driver
included with OS 8 was incompatible with certain IDE systems, including my
PowerMac 6500. When you installed system 8, you had to skip over the "update
disk drivers" portion of the install procedure, or you would wipe out your
hard drive. I managed to get it backwards (twice) and wiped out my disk twice.
Here is a critical portion of the read me file from Drive Setup 1.3.1. I see
that your machine is not on the list. That may, or may not mean you are immune
to the problem.
Perry Stout
About Drive Setup 1.3.1
This document provides important information about Drive Setup 1.3.1.
Drive Setup installs software that your computer uses to work with your hard
disk. Drive Setup 1.3.1 updates this software to prevent a rare incident in
which you may lose files on your hard disk or be unable to start up the
computer using your hard disk. (If your computer is unable to start up, you
see a flashing question mark on your screen.)
IMPORTANT If you see a flashing question mark on your screen or you have
other problems with your computer, you should see the troubleshooting
information in the user’s manual that came with your computer for more information.
IMPORTANT If your computer does not start up using your hard disk, you can
use a system software CD to start up your computer. When you do, you may see a
dialog box asking you to initialize your hard disk. Do not initialize the
disk. See “Recovering From Disk Problems” later in this document for more information.
This update is only required by Apple computers that have an internal ATA
(IDE) hard disk. You should use Drive Setup 1.3.1 immediately to update your
hard disk if you have one of the following computers with system software
version 7.6.1 or 8.0 installed:
• Macintosh Performa 5400CD
• Macintosh Performa 5400/160
• Macintosh Performa 5400/180
• Macintosh Performa 5410CD
• Macintosh Performa 5420CD
• Macintosh Performa 5430
• Macintosh Performa 5440
• Power Macintosh 5400/120
• Power Macintosh 5400/180
• Power Macintosh 5400/200
• Power Macintosh 5500/225
• Power Macintosh 5500/250
• Macintosh Performa 6400/180
• Macintosh Performa 6400/200
• Macintosh Performa 6410
• Macintosh Performa 6420
• Power Macintosh 6400/200
• Power Macintosh 6500/225
• Power Macintosh 6500/250
• Power Macintosh 6500/275
• Power Macintosh 6500/300
• Macintosh Performa 6360
• Twentieth Anniversary Macintosh
Tom L. Davis
Thomas) wrote:
>Dear Power Computing users,
>
>I'm finally getting around to taking the plunge into 8.1, and first of
>all, I wanted to see if things were still running well for Power
>Computing users that have upgraded to Mac OS 8.1
>
>Is there anything you might want to offer a fellow Power Computing
>user before I do a clean install of Mac OS 8.1 onto my PowerCenterPro
>210?
>
>(I was talking with one of the Power Computing tech. guys not too long
>ago and he said that they strongly do NOT recommend upgrading to
>8.0/8.1.
>He said that the new Mac OS's (beyond 7.6.1) were not intended for our
>machines and have proven to cause problems with the hard drives, and
>that if we DO upgrade, they'll cancel the warranty on our hard
>drives.)
>
>Has anyone else heard this?
>
>And if so, why hasn't this scared the crap out of Power Computing
>people with regards to upgrading recent Mac OS's?!
>
>Best regards,
>
>Chris,
>Muse Manifest Music
Chris,
I too have a PowerCenter Pro 210. I've run every Mac OS since 8.0 on it
with no problems. I'm currently at 8.6 and would encourage you to skip 8.1
and go to 8.5.1 or 8.6.
I think the rumor is bs.
Tom
Matt Jones
pws...@pacbell.net writes:
>OS 8 had an awful problem with the disk driver software--the new driver
>included with OS 8 was incompatible with certain IDE systems, including my
>PowerMac 6500. When you installed system 8, you had to skip over the "update
>disk drivers" portion of the install procedure, or you would wipe out your
>hard drive. I managed to get it backwards (twice) and wiped out my disk twice.
>
I had a god-awful crash one day under OS 8.0, which forced me to reformat
my drive and install new "OS 8 - compatible" disk drivers. I used FWB
Hard Disk Tools PE to do that, installed OS 8.5, and everything's been
working great for months. I'm guessing that the original crash had
something to do with using the original drivers that came with my
PowerComputing Power Curve 601/120, which were also by FWB, but were for
OS 7.x.
Matt Jones
Todd Kunstman
I have heard these rumors about this incompatability as well. Although
I've asked the question many times of many people I've never gotten
the same answer twice. I got brave (or stupid) enough to buy the new
OS but not brave (or stupid) enough to install it. Please tell me what
you've heard!
Thanks,
Todd
ciphun
240 603ev machine, i didn't have any problems with despite such
reports that indicated that i would. Currently, i have os 8.6 on my
machine which runs perfectly w/o any setbacks, the only problem is
that i have the worse time installing my os8.5 cd on my computer
sometimes cause the cd rom drive won't read it fully, it starts up and
then stops and that's all i get, then there are sometimes that the cd
rom drive just fires up and reads the damn thing and then it lets me
boot up my hd off of my os8.5 cd, which i bought and paid for. I
don't know why, has anyone else had this problem, if so, please email
me w/suggestions, cause i really wanna get os9.0, but i don't care to
share the problems that i am having now, thank you.
Wai Siow
h = 0.1; x4(1) = -1; for k=1:10 x4(k+1) = x4(k)+h*((1/((k*h)*(k*h)))-(x4(k)/(k*h))-(x4(k)*x4(k))); end t=1:.1:2; plot(t,x4) hold on t=1:.1:2; plot(t,(-(1/t))) hold off
Duane Apling
The variable t is a 1x11 matrix [1.0 1.1 ... 1.9 2.0] and it is in the
denominator of a fraction, "1/t". Matlab interprets this division as a
matrix operation; i.e., "please multiply the scalar 1 by the inverse of
the matrix t". Naturally, the dimensions of the scalar 1 and matrix t are
different, and this operation cannot be performed. To accomplish what I
believe you want to do, just use the "./" operator, which performs
component-wise division. Your script should look like this:
...
t=1:.1:2;
plot(t,x4)
hold on
t=1:.1:2;
plot(t,(-(1./t)))
hold off
This should do the trick for you. Good Luck!
-Duane Apling.
Wai Siow wrote:
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> Content-Transfer-Encoding: 7bit
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> Content-Transfer-Encoding: 7bit
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> <!doctype html public "-//w3c//dtd html 4.0 transitional//en">
> <html>
> HI, I am new to matlab and I have trouble when writing a m file.... can
> anyone tell me y the underlined statement < <u>plot(t,(-(1.0/t)))</u>
> > results in an error when I run it???
> <br>
> <blockquote TYPE=CITE>
> <pre>h = 0.1;
> x4(1) = -1;
> for k=1:10
> x4(k+1) =
x4(k)+h*((1/((k*h)*(k*h)))-(x4(k)/(k*h))-(x4(k)*x4(k)));
> end
>
> t=1:.1:2;
> plot(t,x4)
> hold on
> t=1:.1:2;
> <u>plot(t,(-(1/t)))
> </u>hold off</pre>
> </blockquote>
> </html>
>
> --------------1550E31A8E1FBA37EC6C5715--
michele
with the worst happening - Ultimate crashes, no activity until I
removed it. How exactly did you upgrade successfully.
Any info would be greatly appreciated since I am running system 7.1
and would love to upgrade!
Thanks