Unibus
From HwB
Available on the old Digital PDP-11.
Pinout
+------------//--------+ +------------//--------+ |AA1 AB1 AC1 // AU1 AV1| |BA1 BB1 BC1 // BU1 BV1| |AA2 AB2 AC2 // AU2 AV2| |BA2 BB2 BC2 // BU2 BV2| +------------//--------+ +------------//--------+
2 x 36 EDGE FEMALE at the backplane.
2 x 36 EDGE MALE at the cards/modules.
| Pin | Name | Description |
|---|---|---|
| AA1 | /INIT | |
| AA2 | POWER | +5v |
| AB1 | /INTR | |
| AB2 | GROUND | Ground |
| AC1 | /D00 | Data 00 |
| AC2 | GROUND | Ground |
| AD1 | /D02 | Data 02 |
| AD2 | /D01 | Data 01 |
| AE1 | /D04 | Data 04 |
| AE2 | /D03 | Data 03 |
| AF1 | /D06 | Data 06 |
| AF2 | /D05 | Data 05 |
| AH1 | /D08 | Data 08 |
| AH2 | /D07 | Data 07 |
| AJ1 | /D10 | Data 10 |
| AJ2 | /D09 | Data 09 |
| AK1 | /D12 | Data 12 |
| AK2 | /D11 | Data 11 |
| AL1 | /D14 | Data 14 |
| AL2 | /D13 | Data 13 |
| AM1 | /PA | |
| AM2 | /D15 | Data 15 |
| AN1 | GROUND | Ground |
| AN2 | /PB | |
| AP1 | GROUND | Ground |
| AP2 | /BBSY | |
| AR1 | GROUND | Ground |
| AR2 | /SACK | |
| AS1 | GROUND | Ground |
| AS2 | /NPR | |
| AT1 | GROUND | Ground |
| AT2 | /BR7 | |
| AU1 | NPG | |
| AU2 | /BR6 | |
| AV1 | BG7 | |
| AV2 | GROUND | Ground |
| BA1 | BG6 | |
| BA2 | POWER | +5v |
| BB1 | BG5 | |
| BB2 | GROUND | Ground |
| BC1 | /BR5 | |
| BC2 | GROUND | Ground |
| BD1 | GROUND | Ground |
| BD2 | /BR4 | |
| BE1 | GROUND | Ground |
| BE2 | BG4 | |
| BF1 | /ACLO | |
| BF2 | /DCLO | |
| BH1 | /A01 | Address 01 |
| BH2 | /A00 | Address 00 |
| BJ1 | /A03 | Address 03 |
| BJ2 | /A02 | Address 02 |
| BK1 | /A05 | Address 05 |
| BK2 | /A04 | Address 04 |
| BL1 | /A07 | Address 07 |
| BL2 | /A06 | Address 06 |
| BM1 | /A09 | Address 09 |
| BM2 | /A08 | Address 08 |
| BN1 | /A11 | Address 11 |
| BN2 | /A10 | Address 10 |
| BP1 | /A13 | Address 13 |
| BP2 | /A12 | Address 12 |
| BR1 | /A15 | Address 15 |
| BR2 | /A14 | Address 14 |
| BS1 | /A17 | Address 17 |
| BS2 | /A16 | Address 16 |
| BT1 | GROUND | Ground |
| BT2 | /C1 | |
| BU1 | /SSYN | |
| BU2 | /CO | |
| BV1 | /MSYN | |
| BV2 | GROUND | Ground |
Contributions
Sources
- Digital PDP-11 peripherals handbook