Распиновка, расположение выводов и внешний вид устройства хранения данных:
Macintosh External Drive
(at the Computer)
(at the Diskdrive)
19 PIN D-SUB FEMALE at the Computer.
19 PIN D-SUB MALE at the Diskdrive.
Pin
Name
Dir
Description
1
CGND
Chassis ground
2
CGND
Chassis ground
3
CGND
Chassis ground
4
CGND
Chassis ground
5
-12V
-12 VDC
6
+5V
+5 VDC
7
+12V
+12 VDC
8
+12V
+12 VDC
9
n/c
—
Not connected
10
PWM
?
Regulates speed of the drive
11
CA0
?
Control line to send commands to the drive
12
CA1
?
Control line to send commands to the drive
13
CA2
?
Control line to send commands to the drive
14
LSTRB
?
Control line to send commands to the drive
15
/WrReq
?
Turns on the ability to write data to the drive
16
HdSel
?
Control line to send commands to the drive
17
/Enbl2
?
Enables the Rd line (else Rd is tri-stated)
18
Rd
Data actually read from the drive
19
Wr
Data actually written to the drive
Note: Direction is Computer relative Diskdrive.
Contributor:
Ben Harris
Source:
Apple Tech Info Library, Article ID: TECHINFO-0001424
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10