19 Apr
2011
19 Apr
'11
2:11 p.m.
On 19 Apr 2011 at 14:45, JP Hindin wrote:
On Tue, 19 Apr 2011, Lyle Bickley wrote:
> One item I've needed on several occasions was an ASCII keyboard (TTL
> or RS-323 levels) for a vintage system. While I do have a few
> Keytronic serial keyboards with TTL output - they are old and can be
> "flaky".
I have an Advanced Input Devices AID-3 keyboard with a DE=9M
connector on the end of its cable. It looks like an XT keyboard, but
output is serial ASCII at TTL levels. I suspect that many "clone"
keybaoards using the 8048 with external EPROM can be modified
similarly.
--Chuck