Re: hardware

Brian A. Fliege (eaig169@ea.oac.uci.edu)
Fri, 10 Feb 95 10:37 PST

On Wed, 8 Feb 1995, Yang Arif wrote:
> 1. CPU - I know that it uses a NEC 8086 compatible. I need the IC
> number. NEC processors usually starts with uPd.
There are two main chips on the main PCB. The CPU seems to be part
number upd95121gd-5ml. The other large chip seems to be more of an IO
interface (touch screen, PCMCIA card, sound, RS-232) and has a part
number of mbcg25173-5101.

> 2. The IR controller chip. I assume that it uses one. I have seen an
> HP chip being used somewhere for IR. This chip is the one that
> translate the SIO signal to IR..I think..
The one and only chip on the IR controller schematic is labeled
upc842g2.

- Brian