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| version 2.1.0 |
| Part | Date | Title | Status |
|---|---|---|---|
| 13255-90003 | 1976-08-01 | HP 2645A Operating System Microcode Manual | Online |
| 13255-91000 | 1982-08 | HP 13255 Data Terminal Technical Information | Online |
| 13255-91001 | 1977-10 | HP 13255 Backplane Module Data Terminal Technical Information | Online |
| 13255-91004 | 1976-08-01 | HP 13255 Power Supply Module Data Terminal Technical Information | Online |
| 13255-91007 | 1976-08 | HP 13255 4K UV PROM Module Data Terminal Technical Information | Online |
| 13255-91008 | 1976-08-01 | HP 13255 Processor (8008-1) Module Data Terminal Technical Information | Online |
| 13255-91018 | 1976-08-01 | HP 13255 Keyboard Module Data Terminal Technical Information | Online |
| 13255-91024 | 1977-09-06 | HP 13255 Display Expansion Module Data Terminal Technical Information | Online |
| 13255-91031 | 1976-08-01 | HP 13255 Terminal Duplex Register Module Data Terminal Technical Information | Online |
| 13255-91031 | 1978-04-14 | HP 13255 Terminal Duplex Register Module | Online |
