I tried my 3400 with an external HDD again and it
works fine. Roger, have you found any info on that
68HC05 chip? I will post a heads-up on a general chip
list that I belong to. Next, I suggest swapping logic
baords with a list member to see if anything changes.
Does anyone have a close-up pic of the 180 MHz logic
board ? I'd like to see if any parts broke off of
mine.
I also have some 'manuals' that might help, if y'all
know what I mean (offlist).
Best
George
--- "Volk (contractor)" <[EMAIL PROTECTED]>
wrote:
> George,
>
> I have a full set of known good spares, and I
> rotated everything thru,
> no joy. I've been burned by the HD cable before,
> had one that was crimped.
>
> Roger
> > --- "Volk (contractor)"
> <[EMAIL PROTECTED]>
> > wrote:
> > > George,
> > >
> > >...(PMU) is a 68HC05
> > > > > microprocessor that operates
> > > > > with its own RAM and ROM. The PMU IC
> performs
> > > the
> > > > > following functions:
> > > > > controls sleep and power on and off
> sequences
> > > > > controls power to the other ICs
> > > > > controls clock signals to the other ICs
> > > > > supports the ADB
> > > > > scans the keyboard
> > > > > controls display brightness
> > > > > monitors battery charge level
> > > > > controls battery charging
> >
>
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