(at the controller & harddisk.)
(at the cable.)
50 PIN IDC MALE at the controller & harddisk.
50 PIN IDC FEMALE at the cable.
| Pin | Name | Dir | Description |
|---|---|---|---|
| 01 | GND | Ground | |
| 02 | GND | Ground | |
| 03 | +DB0 | +Data Bus 0 | |
| 04 | -DB0 | -Data Bus 0 | |
| 05 | +DB1 | +Data Bus 1 | |
| 06 | -DB1 | -Data Bus 1 | |
| 07 | +DB2 | +Data Bus 2 | |
| 08 | -DB2 | -Data Bus 2 | |
| 09 | +DB3 | +Data Bus 3 | |
| 10 | -DB3 | -Data Bus 3 | |
| 11 | +DB4 | +Data Bus 4 | |
| 12 | -DB4 | -Data Bus 4 | |
| 13 | +DB5 | +Data Bus 5 | |
| 14 | -DB5 | -Data Bus 5 | |
| 15 | +DB6 | +Data Bus 6 | |
| 16 | -DB6 | -Data Bus 6 | |
| 17 | +DB7 | +Data Bus 7 | |
| 18 | -DB7 | -Data Bus Parity7 | |
| 19 | +DBP | +Data Bus Parity (odd Parity) | |
| 20 | -DBP | -Data Bus Parity (odd Parity) | |
| 21 | DIFFSENS | ? | ??? |
| 22 | GND | Ground | |
| 23 | res | - | Reserved |
| 24 | res | - | Reserved |
| 25 | TERMPWR | Termination Power | |
| 26 | TERMPWR | Termination Power | |
| 27 | res | - | Reserved |
| 28 | res | - | Reserved |
| 29 | +ATN | +Attention | |
| 30 | -ATN | -Attention | |
| 31 | GND | Ground | |
| 32 | GND | Ground | |
| 33 | +BSY | +Bus is busy | |
| 34 | -BSY | -Bus is busy | |
| 35 | +ACK | +Acknowledge | |
| 36 | -ACK | -Acknowledge | |
| 37 | +RST | +Reset | |
| 38 | -RST | -Reset | |
| 39 | +MSG | +Message | |
| 40 | -MSG | -Message | |
| 41 | +SEL | +Select | |
| 42 | -SEL | -Select | |
| 43 | +C/D | +Control or Data | |
| 44 | -C/D | -Control or Data | |
| 45 | +REQ | +Request | |
| 46 | -REQ | -Request | |
| 47 | +I/O | +In/Out | |
| 48 | -I/O | -In/Out | |
| 49 | GND | Ground | |
| 50 | GND | Ground |
Note: Direction is Device relative Bus (other Devices).
| Contributor: |
Joakim Ögren,
Karsten Wenke
Copyright © The Hardware Book Team 1996-2004. |