HP 3000 9x9KS Service Manual page 248

Table 8-18 shows the pin-sets for the options available with the HP A3350A disk drive. A pin-set is either
shorted (with a jumper installed) or open (without a jumper).
Function
Term Power from SCSI Bus
Term Power to SCSI Bus
Term Power from Drive
Reserved
Parity Option
Write Protect
Enable Motor Start
Delay Motor Start
Enable Terminators
SCSI ID
Reserved
Ground (Shared with ID A3)
LED
8-60 SCSI and I/O
Table 8-21 A3350A Option Jumpers
Connector
J2
J1
Pin-set
2-4
1-2
3-4 Jumpered
5-6
7-8 Jumpered
9-10
11-12 Jumpered
13-14
15-16
1-2, 3-4, 5-6, 7-8
9
8
11
Default
Open
Open
Open
Open
Open
Open