George,
The sleep LED comes on after a normal start up chime and no amount of reseting
will clear it. I have attempted to boot from a floppy and the system CD with no
success.
Both of these devices work on another 3400.
Roger
George Mogiljansky wrote:
> Roger, have you tried this approach?
>
> <http://download.info.apple.com/Apple_Support_Area/Apple_Software_Updates/English-North_American/Macintosh/Utilities/Firmware_Utilities/1.2GB_Firmware_Utility_1.1.img.bin>
> and
>
> <http://download.info.apple.com/Apple_Support_Area/Apple_Software_Updates/English-North_American/Macintosh/Utilities/Firmware_Utilities/1.2GB_Firmware_Utility_1.1_Info.txt>
>
> This boot floppy (so I'm told) will check the boot Rom
> on an Apple Rom HDD and replace it if it's corrupt. I
> don't see the PowerBook connection, but it may be a
> cure for the 'sleeping sickness'. Could you describe
> the symptoms?
> George
>
> --- Roger Volk <[EMAIL PROTECTED]> wrote:
> > Hi
> >
> > I have 2 PB 3400 logic boards (a 180, & a 240)
> > that exhibit similar
> > symptoms, the disease is acute sleeping sickness,
> > the device that is
> > probably the cause is the PMU IC, a variation of the
> > 68HC05 made for
> > Apple by Motorola. It's chip Number SC428009PV,
> > 341S0187-B PMU, 1995
> > Apple, G73M0AVBZ9715. I have tried cross
> > referencing everyone of these
> > numbers both on a Master Cross Reference List and on
> > Motorola's list
> > with no joy, has anyone ever done any component
> > level repairs on 3400's
> > and if so, who was your parts source?
> >
> > Thanks
> > Roger
>
> __________________________________
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