Навигатор: QRZ.RU > Радиолюбительские справочники > Справочник компьютерного инженера |
30 PIN UNKNOWN CONNECTOR
Pin | Name | Dir | Description |
---|---|---|---|
1 | n/c | Reserved for SCSI disk mode. | |
2 | /DB0 | Bit 0 of SCSI data bus | |
3 | GND | Ground | |
4 | /DB1 | Bit 1 of SCSI data bus | |
5 | TPWR | Termination power | |
6 | /DB2 | Bit 2 of SCSI data bus | |
7 | /DB3 | Bit 3 of SCSI data bus | |
8 | GND | Ground | |
9 | /ACKS | Handshake signal. When low acknowledges a request for data transfer | |
10 | GND | Ground | |
11 | /DB4 | Bit 4 of SCSI data bus | |
12 | GND | Ground | |
13 | GND | Ground | |
14 | /DB5 | Bit 5 of SCSI data bus | |
15 | GND | Ground | |
16 | /DB6 | Bit 6 of SCSI data bus | |
17 | GND | Ground | |
18 | /DB7 | Bit 7 of SCSI data bus | |
19 | /DBP | SCSI data bus parity bit | |
20 | GND | Ground | |
21 | /REQ | Request for a data transfer | |
22 | GND | Ground | |
23 | /BSY | When active (low) indicates that the SCSI data bus is busy | |
24 | GND | Ground | |
25 | /ATN | When active (low) indicates an attention condition | |
26 | /C/D | When active (low) indicates that data is on the SCSI bus. When high, indicates that control signals are on the bus | |
27 | /RST | SCSI bus reset | |
28 | /MSG | Indicates the message phase | |
29 | /SEL | SCSI select | |
30 | /I/O | Controls the direction of data output. When high, data is input |
Note: Direction is Device relative Bus (other Devices).
Contributor: | Joakim Цgren |
Source: | Apple Tech Info Library 12929: Duo Dock/Duo Dock II, External Pinouts at Apple TIL homepage |
Информация предоставлена справочником The Hardware Book Team 1996-2004.
Навигатор: QRZ.RU > Радиолюбительские справочники > Справочник компьютерного инженера |