DownloadsVarious technical documents
80-103A 300 baud modem manual w/schematics Page 1 and page 2 Micromodem 100 schematic Original 1982 (2 PC boards) Smartmodem 1200 firmware EPROM source code 1984 version 2 (single PC board) Smartmodem 1200 firmware EPROM source code 1984 version 2 (single PC board) Smartmodem 1200 hardware schematics (.pdf) Hayes Chronograph user manual (.pdf)Hayes Chronograph Schematic (.pdf) |prev| |