Solid State Music IO4 I/O Board for Altair & Vintage S-100 mainframe For Sale

Solid State Music IO4 I/O Board for Altair & Vintage S-100 mainframe


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Solid State Music IO4 I/O Board for Altair & Vintage S-100 mainframe:
$250

An S-100 I/O board for an Altair or other Vintage mainframe.The board has not been tested and is sold "AS IS" for it's collector value.New Mexico Buyers will need to pay NM Gross Receipts Tax. "The Serial ports were two fully functional with full handshaking using LSI UART chips. Baud rates were from 55 up to 9600. The two parallel ports were had latch buffers using two 8218's. Port addressing was quite flexible, serial on any 4 port boundary. parallel on any two port boundary. The ports could be set to trigger interrupts.

The manual for this board can be obtained here."




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