74
External Narrow Ultra SCSI
The external Narrow Ultra SCSI port connects external SCSI devices, such as tape
drives or hard disks, to the computer. The maximum sustainable data transfer rate is 40 MB
per second.
Pin
Signal
26
Command Data-0
27
Command Data-1
28
Command Data-2
29
Command Data-3
30
Command Data-4
31
Command Data-5
32
Command Data-6
33
Command Data-7
34
Command Data Parity
38
Terminator Power
41
Attention
43
Busy
44
Acknowledge
45
Reset
46
Message
47
Select
48
Command
49
Request
50
Input/Output
NOTE
Pins 12, 13, 14, 37, and 39 are not connected; pins not listed are connected to ground.
25
1
50
26
