On Mon, 27 Jan 2003, Tony Allgood wrote:
stopped to consider a dilemma: make the board a direct clone of the
original KLM-367 and use the 8048/8748 CPU and 5514 RAM, or use something
like a PIC16F877 and rewrite the patch manager OS in PICcode. I do not
know how much longer 8748s (EPROM version of the 8048, needed to replace a
dead 8048-345 mask-ROM CPU from a KLM-367) will be available; already I
have to resort to NOS or chip-pulls to get a stock of 8748s or 8749s.
Crow
/**/
> and sell it piece by piece. Or wait for someone cleverer than me to comeI have a 50% artworked KLM-367 replacement layout in my PCB CAD, but I
> up with a modern board replacement for the whole memory board.
stopped to consider a dilemma: make the board a direct clone of the
original KLM-367 and use the 8048/8748 CPU and 5514 RAM, or use something
like a PIC16F877 and rewrite the patch manager OS in PICcode. I do not
know how much longer 8748s (EPROM version of the 8048, needed to replace a
dead 8048-345 mask-ROM CPU from a KLM-367) will be available; already I
have to resort to NOS or chip-pulls to get a stock of 8748s or 8749s.
Crow
/**/