HP 744 - SCSI Connector Pinouts

4-23
Connecting Cables
SCSI Connection
Table 4-9 SCSI Connector Pinouts
Pin
Number
Signal
Pin
Number
Signal
Pin
Number
Signal
1 GND 21 GND 41 ATN
2 GND 22 GND 42 GND
3 GND 23 GND 43 BSY
4 GND 24 GND 44 ACK
5 GND 25 GND 45 RST
6 GND 26 DATA 0 46 MSG
7 GND 27 DATA 1 47 SEL
8 GND 28 DATA 2 48 CD
9 GND 29 DATA 3 49 REQ
10 GND 30 DATA 4 50 IO
11 GND 31 DATA 5
12 GND 32 DATA 6
13 NC 33 DATA 7
14 GND 34 Data Parity
15 GND 35 GND
16 GND 36 GND
17 GND 37 GND
18 GND 38 +5
19 GND 39 GND
20 GND 40 GND