| 02102-69002 |
1 |
Memory controller (HS) |
Possibly defect |
| 02116-6110 |
5 |
Teleprinter / interrupt continuity |
|
| 5061-3418 |
1 |
12793A Bisync modem interface kit |
|
| 5080-9787 |
1 |
|
|
| 5090-1608 |
1 |
8-channel MUX |
|
| 05432-60002 |
1 |
? X-register ? |
|
| 05432-60003 |
1 |
? Control ? |
|
| 05432-60004 |
1 |
? Discriminator? |
|
| 05432-60014 |
1 |
? Y register |
|
| 12531-6001 |
1 |
Buffered teleprinter |
Asynchronous half-duplex communication with one terminal over 20mA loop or RS-232 line. Serial-parallel conversion provided in hardware. Bit rate is 110 BPS, determined by an RC oscillator. |
| 12566-80024 |
2 |
True IN/OUT? |
|
| 12597-8001 |
2 |
Paper tape reader interface |
|
| 12731-60001 |
1 |
Memory expansion module |
C11 820pF missing |
| 12791-60001 |
1 |
Firmware expansion card |
|
| 12821A |
1 |
Disk controller (inside I/O) bay |
|
| 12897-60004 |
2 |
Dual channel port controller |
|
| 12966-60002 |
3 |
BACI-Term / Async I/O I/F |
1 in I/O bay |
| 13037-80023 |
1 |
Disc interface PCA F/HP1000 |
|
| 13183-60012 |
1 |
7970 Tape controller |
|
| 26099-60001 |
1 |
Printer interface card |
|
| 59310-60101 |
2 |
59310B HPIB In/output |
For use with devices supporting the HP Interface Bus standard. 77 catalog says for 21MX or 2100 Series, schematic shows use still of -2V on processor I/O bus. |
| 91200-60007 |
1 |
TV Display |
A dot-matrix graphics display interface for television monitors. 256240 on 525-line monitors, 256256 on 625-line and 288-line monitors. Up to 3 cards can be used to provide up to 8 grey-scale levels or 8 colors. Manual says "compatible with 2100A/S and 21MX computers". |
