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Hi Andrew,
Just thought you would like to see what I've done on one of your prototyping boards. It's a replacement CPU card for an IMSAI 8080. It uses an 8080A and has the 16 pin socket to connect to the Front Panel. I put 64K of RAM on the same card and a PIC microcontroller to provide Serial I/O, Floppy Disk emulation on a 8Meg flash chip and a Boot strap program. It can boot up into CP/M 1.4 all on the same card. I did this because many of the other cards of that era are flakey and I wanted to get the IMSAI 8080 computer at the PC Museum in Brantford, Ontario working. If anyone wants the full schematic & firmware, just let me know where to upload it. :)J |
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