Re: Problems! Disk ][ drive just whirs and whirs; IIc monitor knob stuck; IIe enhanced not...

[David Wilson <mcs6502@gmail.com>]

On Apr 30, 5:26 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> mdj wrote:
> > The boards are silk-screened so it should be clear, but there's only 3
> > potential parts that can be the CPU (The other two being the MMU and
> > IOU HALS). From memory, the CPU socket on US rev A and B boards is in
> > the lower left quandrant near the Auxiliary slot.
>
> Actually, it's the only 40-pin DIP in rwo "B", just in front of the
> bus slots, and a little to the rear of the memory expansion connector.

If you are interested in PAL motherboards, the CPU is at location E1
(just like the International NTSC m/b).