Commodore Amiga A500 Technical Reference Manual page 163

CONNECTOR PIN
ASSIGNMENTS
SCSI
ANSI X3T9.2 compatible
Macintosh Plus compatible connector
Host Interface
Amiga expansion bus compatible
Full auto-config compatibility
Power Requirements
+ 5 Volts ± 5%, 3 Amps. Max.
Environmental
Ambient Temperature: 0 - 55 Deg. C.
Relative Humidity:
The following tables list the pin assignments for the controller
board.
Table 5-1 — Connectors J1 and J2
Disk Serial Data Pin Assignments
Ground Signal
Return Pin
2 1
4 3
6 5
8 7
10 9
12 11
13
14
16 15
17
18
20 19
160
20% - 80%
Signal Name
Drive Selected
Reserved
Write Protected (J1 Only)
Reserved
Cartridge Changed (J1 Only)
Ground (GND)
MFM Write Data +
MFM Write Data-
Ground (GND)
MFM Read Data +
MFM Read Data-
Ground (GND)