Well, I think I have it all but pegged. I hooked my 21" Hitachi monitor to the
VGA output on the DV, and voila, video! The internal monitor, of course, stays
blank. Starting from the HD alone causes the click-click-whine noises and the
flashing '?' icon which goes with it. Starting from the OS 8.6 CD I have, meant
for a PowerMac G4 (Yikes! version, IIRC), it starts to boot, but then goes into
a System Bomb ("address error"). Booting into Open Firmware with the monitor
attached, I get to see what happens when I type in the typical commands
non-blind. reset-nvram goes through OK, but set-defaults gives me this:
DEFAULT CATCH!, code=300 at %SRR0: ff80af1c %SRR1: 0000b030
then reset-all performs a couple of rapid 'fixes' (as far as I tell, they come
and go fast) before resetting the machine, and working as it usually does. The
RAM was bumped up in this machine (has one DIMM with chips on one side, and one
DIMM with chips on both sides), so I'm assuming that someone tried to install
OS X onto this machine without doing the prerequisite firmware update. What can
I possibly do to rectify the situation? Once again, thanks in advance.
-Adam
--
Adam Vaughn
Collector of old computers, video game systems, radios and other electronic
equipment...
Visit my page at
http://www.electronixandmore.com/adam/index.html
>
> On Oct 3, 2005, at 6:46 PM, Adam Vaughn wrote:
> >
> > A further question: might this possibly be due to OS X having been
> > installed on it without updating the firmware? I've heard about
> > that causing blank screen issues, but with the HD making noises,
> > I'm not sure.
>
> IIRC, yes, this is a symptom of an OS X load on a non-firmware
> upgraded imac. You can try putting an OS 9 HDD in to see if it boots
> normally, I think.
>
> - Dylan
>
>
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