On 05/02/2013 02:00 PM, Tony Duell wrote:
40-pin chip is
that "8031". However, you may be right - week 31 of 1980
isn't unreasonable. And this is just the external interface card.
Actually, 1980 would be far too early for a CD-ROM drive, surely?
The 8031 has no internal program ROM, so the copyright date will be
for the processor, not the ROM contents, and 1980 is exactly the right
year for an 8031.
-Dave
--
Dave McGuire, AK4HZ
New Kensington, PA