OK, I will go around and check everything when I have time... school is
almost out.
If the video card was faulty, would the computer start up without the
>Where was the machine in the process before you got the notice that
there was no video and how was it delivered to you if there was indeed
no video?
The Dell monitor I am using delivers that message about ten seconds
after the _monitor_ is turned on, regardless of the Genesis.
Everything is Mac SCSI...
Thanks for your suggestions!
Kyle-
On May 26, 2005, at 5:47 PM, Ernest L. Gunerius wrote:
Hi Kyle;
You mentioned in your first post that one of the RAM sticks was not
seated. That is a clue that in the process of shipping or otherwise
transporting the Genesis box to you it was subjected to severe
environmental conditions.
If you have not already done so, reset every connector inside the box.
Even if you have , do it again 'cause If you have been in and out of
the box there is always the chance of brushing up against something un
noticed.
The power-up sequence on a Mac goes something like this:
1. Depress the Power-On switch (Keyboard or on the Box)
2.The PRAM battery, which maintains fundamental info the machine needs
to get started, delivers a logic signal to the Power supply (through
the On Switch) that allows the power supply to ramp its output
voltages up.
3. When the 5 volts comes up to specification (usually the 5 V but
could be a logical determination of all Voltages) the Chime is issued
and also a Power-On Rest logic pulse is sent to selected logic chips
that preset their logic condition for proper start-up. And starts the
Boot process. When I was designing power supplies the specs usually
called for 150 milliseconds from switch on to Power-On Reset
4. The first item in the process is a Hardware test. This is where
faulty connections are detected. Open connectors, broken cables,
faulty PCI cards and such.
4a. Somewhere now the Video should start. Any failure should result in
a Freeze or Hanging Machine.
5. If all is OK then the machine proceeds to load the Operating System.
6. All the Extensions load and the various drivers.
7. Auto Memory Test is initiated if that is set in the Memory control
Panel. This can take a very long time. Any start up items are then
started.
8. Finally everything is up and running.
(These comments are fairly generic and may not be exact for the
Genesis)
I mention all this because you said that some where in the process you
got a notice that there was no video.
Where was the machine in the process before you got the notice that
there was no video and how was it delivered to you if there was indeed
no video?
I assume you have all the necessary adapters to run Non-Mac Monitors
with the Genesis ( I don't know that they are or are not needed. some
one else on this list should be able to tell you)
Also remember that Mac SCSI is not the same as PC SCSI as far as
drivers go. I won't get into that now.
I hope this helps.
Ernie
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