HDD and other storage devices connectors pinouts  > Apple pinouts
these connectors are found on the SCSI Disk adapter cable
Pin Name Dir Description  
1 SCSI-Mode   SCSI disk mode enable signal Reserved for SCSI disk mode.
2 Data0 <-> Data bit 0 Bit 0 of SCSI data bus
3 GND --- Signal ground Ground
4 Data1 <-> Data bit 1 Bit 1 of SCSI data bus
5 Termpwr +5 volts <-> termination power Termination power
6 Data2 <-> Data bit 2 Bit 2 of SCSI data bus
7 Data3 <-> Data bit 3 Bit 3 of SCSI data bus
8 GND --- Signal ground Ground
9 ACK <-- Acknowledge Handshake signal. When low acknowledges a request for data transfer
10 GND --- Signal ground Ground
11 Data4 <-> Data bit 4 Bit 4 of SCSI data bus
12 GND --- Signal ground Ground
13 GND --- Signal ground Ground
14 Data5 <-> Data bit 5 Bit 5 of SCSI data bus
15 GND --- Signal ground Ground
16 Data6 <-> Data bit 6 Bit 6 of SCSI data bus
17 GND --- Signal ground Ground
18 Data7 <-> Data bit 7 Bit 7 of SCSI data bus
19 PARITY <-> Data parity SCSI data bus parity bit
20 GND --- Signal ground Ground
21 REQ --> Request Request for a data transfer
22 GND --- Signal ground Ground
23 BUSY <-> Busy When active (low) indicates that the SCSI data bus is busy
24 GND --- Signal ground Ground
25 ATN <-- Attention When active (low) indicates an attention condition
26 C/D --> Control/data When active (low) indicates that data is on the SCSI bus. When high, indicates that control signals are on the bus
27 RST <-> Reset SCSI bus reset
28 MSG --> Message Indicates the message phase
29 SEL <-> Select SCSI select
30 I/O --> Input/output Controls the direction of data output. When high, data is input

Note: Direction is Device relative Bus (other Devices)

There are no any reports for this pinout! You may rate this document by clicking the button below.

Is this pinout
Source(s) of this and additional information: Apple Tech Info Library 12929: Duo Dock/Duo Dock II, External Pinouts at Apple TIL homepage
This page contain parts under Copyright © 2000-2015 by pinouts.ru team.
No portion of this webpage may be reproduced in any form without providing visible HTML link to Old.Pinouts.ru . Webmaster permission required in any other cases.
Efforts have been made to ensure this page is correct, but it is the responsibility of the user to verify the data is correct for their application.