80 pin SCSI SCA-2 female
connector
Drive connector: AMP Champ 557613-1 or AMP Champ 557114-5
Cable connector: AMP Champ 2-557103-1 or AMP Champ 2-557101-1
SCA = Single connector Attachment
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | 12V | - | +12 VDC |
| 2 | 12V | - | +12 VDC |
| 3 | 12V | - | +12 VDC |
| 4 | 12V | - | +12 VDC |
| 5 | 3.3V | - | +3.3 VDC |
| 6 | 3.3V | - | +3.3 VDC |
| 7 | -DB(11) | IN/OUT | Data Bus 11 |
| 8 | -DB(10) | IN/OUT | Data Bus 10 |
| 9 | -DB(9) | IN/OUT | Data Bus 9 |
| 10 | -DB(8) | IN/OUT | Data Bus 8 |
| 11 | -I/O | OUT | Input/Output |
| 12 | -REQ | OUT | Request |
| 13 | -C/D | OUT | Control/Data |
| 14 | -SEL | IN/OUT | Select |
| 15 | -MSG | OUT | Message |
| 16 | -RST | IN/OUT | Reset |
| 17 | -ACK | IN | Acknowledge |
| 18 | -BSY | IN/OUT | Busy |
| 19 | -ATN | IN | Attention |
| 20 | -P_CRCA | ? | |
| 21 | -DB(7) | IN/OUT | Data Bus 7 |
| 22 | -DB(6) | IN/OUT | Data Bus 6 |
| 23 | -DB(5) | IN/OUT | Data Bus 5 |
| 24 | -DB(4) | IN/OUT | Data Bus 4 |
| 25 | -DB(3) | IN/OUT | Data Bus 3 |
| 26 | -DB(2) | IN/OUT | Data Bus 2 |
| 27 | -DB(1) | IN/OUT | Data Bus 1 |
| 28 | -DB(0) | IN/OUT | Data Bus 0 |
| 29 | -DB(P1) | ? | |
| 30 | -DB(15) | IN/OUT | Data Bus 15 |
| 31 | -DB(14) | IN/OUT | Data Bus 14 |
| 32 | -DB(13) | IN/OUT | Data Bus 13 |
| 33 | -DB(12) | IN/OUT | Data Bus 12 |
| 34 | 5V | - | Ground (Signal) |
| 35 | 5V | - | Ground (Signal) |
| 36 | 5V CHARGE | - | Ground (Signal) |
| 37 | SPINDLE SYNC | ? | Spindle Sync |
| 38 | RMT_START | ? | Remote Start |
| 39 | SCSI ID (0) | - | SCSI ID Bit 0 |
| 40 | SCSI ID (2) | - | SCSI ID Bit 2 |
| 41 | 12V GROUND | - | +12 VDC Ground |
| 42 | 12V GROUND | - | +12 VDC Ground |
| 43 | 12V GROUND | - | +12 VDC Ground |
| 44 | MATED 1 | ? | |
| 45 | 3.3V CHARGE | - | +3.3 VDC Charge |
| 46 | DIFFSNS | - | Differential Sense |
| 47 | +DB(11) | IN/OUT | Data Bus 11 |
| 48 | +DB(10) | IN/OUT | Data Bus 10 |
| 49 | +DB(9) | IN/OUT | Data Bus 9 |
| 50 | +DB(8) | IN/OUT | Data Bus 8 |
| 51 | +I/O | OUT | Input/Output |
| 52 | +REQ | OUT | Request |
| 53 | +C/D | OUT | Control/Data |
| 54 | +SEL | IN/OUT | Select |
| 55 | +MSG | OUT | Message |
| 56 | +RST | IN/OUT | Reset |
| 57 | +ACK | IN | Acknowledge |
| 58 | +BSY | IN/OUT | Busy |
| 59 | +ATN | IN | Attention |
| 60 | +P_CRCA | ? | |
| 61 | +DB(7) | IN/OUT | Data Bus 7 |
| 62 | +DB(6) | IN/OUT | Data Bus 6 |
| 63 | +DB(5) | IN/OUT | Data Bus 5 |
| 64 | +DB(4) | IN/OUT | Data Bus 4 |
| 65 | +DB(3) | IN/OUT | Data Bus 3 |
| 66 | +DB(2) | IN/OUT | Data Bus 2 |
| 67 | +DB(1) | IN/OUT | Data Bus 1 |
| 68 | +DB(0) | IN/OUT | Data Bus 0 |
| 69 | +DB(P1) | ? | |
| 70 | +DB(15) | IN/OUT | Data Bus 15 |
| 71 | +DB(14) | IN/OUT | Data Bus 14 |
| 72 | +DB(13) | IN/OUT | Data Bus 13 |
| 73 | +DB(12) | IN/OUT | Data Bus 12 |
| 74 | MATED 2 | ? | |
| 75 | 5V GROUND | - | +5 VDC Ground |
| 76 | 5V GROUND | - | +5 VDC Ground |
| 77 | ACTIVE LED OUT | ? | |
| 78 | DLYD_START | ? | |
| 79 | SCSI ID (1) | - | SCSI ID Bit 1 |
| 80 | SCSI ID (3) | - | SCSI ID Bit 3 |
Notes
- Direction is Device relative Bus (other Devices).
- 5: RESERVED/NC
- 6: RESERVED/NC
- 20: -DB(P0)
- 36: 5 VOLT
- 44: 12 V GROUND
- 45: RESERVED/NC
- 46: RESERVED/NC
- 74: 5 V GROUND