--On Mon, Sep 3, 2001 3:46 AM -0300 bob <[EMAIL PROTECTED]> wrote:
> Please help me with my thinking of why I might want the Cuda reset with
> power on--and criticism is welcome:
To clarify "power on", I suggest "power cord attached to wall outlet and
computer" or something like that, so as not to confuse it with "computer
powered on".
> (3) Plug the mac in, but don't power it up from the keyboard or front
> panel switch, just simply plug the cord into the power supply. Wait a
> few minutes, then press the red Cuda switch with the eraser end on an
> ordinary lead pencil. This action allows the internal battery charger to
> provide power for the proper resetting of the PRAM instead of having a
> possibly bad battery try to do it.
I agree. The following events were not documented on my site
<http://www.musc.edu/~schwarda> but did cause me a few minutes of
aggravation:
During the upgrading that I took pictures of to post on my site, my Max was
unplugged for the better part of the day. I took some pictures, uploaded
them to another Mac, confirmed they were OK (or not, and took more pics),
installed something, more pics, etc. Finally repacked the innards (SCSI
cable probably takes up 1/4 of the air space in DT model), plugged it in,
pushed the power on button...no response. Checked all connections, still no
go. Unplugged everything, checked all again, plugged in all interior
components, pushed CUDA button on the motherboard, plugged it into the wall
outlet...still no go. Wrote down all that I had done so far. By now I had
been leaving the cover off while troubleshooting and then trying to start
up. I decided to repeat my steps. Without thinking I reached in, checked
all connections (none were loose), and depressed the CUDA button. Thought I
heard a very faint, high pitched "dying squeal", but maybe it was my
imagination. My next step was to plug in the power cord before trying to
start up. Surprise...I had neglected to unplug it before repeating my
steps. Pushed the power on button...chime! Booted right up. Later I checked
the PRAM (Parameter RAM) battery, found it to be 2.8 volts. Left my Max off
until I replaced the battery. My voltage protection unit provides a trickle
charge to the Max, so maybe thats why I never had a problem before. YMMV,
but that's what happened to me. I don't advise anyone to go rummaging
around inside a computer that is powered up (ie booted up, hard drive
humming away, etc.). And if you feel unsure about doing anything inside a
computer, then please don't. Find someone to help you.
Thanks to Dan for this list.
David S.
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