All ‹

I¹m getting close! I had a ³you idiot² moment at work today and realized
that I was burning the EEPROM wrong. I forgot that the 8088 board really
requires a 27C512 EPROM but if you use a 28C256, you needed to adjust some
things, including how you burn the EEPROM. The file size was 64k but the
programmer was only burning the first 32k of it (all 0¹s) since that¹s the
target device size. Duh!

Once I fixed that, I¹m now at least seeing some activity. The only issue is
that serial output doesn¹t work right. I see garbage on the screen, but
clearly it¹s accepting some sort of commands because I see activity. Baud
rate is fixed at 9600 by the old serial board.

I wonder if it has to do with how the 8088 board interfaces with old 8-bit
peripheral cards. Is there a way to force the input/output to the Serial I/O
Board? I tried using the IOBYTE but I don¹t think it has an option for this
in the 8086 monitor.

Thanks!

Rich

--
Rich Cini
Collector of Classic Computers
Build Master and lead engineer, Altair32 Emulator
http://www.classiccmp.org/cini
http://www.classiccmp.org/altair32


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