HP 2112A

[J. David Bryan]

On 7 Feb 2007 at 19:30, Richard Lynch wrote:

> "12992 B" is written on the top of the chip.

OK, per page 13-31 of the CE Handbook, that would be the 79xx disc loader 
ROM.  It's possible that the white stick-on HP label fell off at some 
point, and the owner wrote the part number on the chip in pencil.  If 
you're curious, you can check the ROM contents against the loader listing 
on page 13-18 of the Handbook (when you get a base set board, that is :-).

Top priority would be to obtain that base set microcode board.  You really 
can't get anywhere without it.

                                      -- Dave