Table B-6 Parallel Port Connector Pin Assignments; Figure B-6 Parallel Port Connector Pin Configuration - Sun Microsystems Ultra 2 series Service Manual

B
B.5 Parallel Port Connector
Pin Signal Name
1 nStrobe
2 Data[0]
3 Data[1]
4 Data[2]
5 Data[3]
6 Data[4]
7 Data[5]
8 Data[6
9 Data[7]
10 nAck
11 Busy
12 PError
13 Select
B-8
The parallel port connector is a DB-25 type connector located on the system
board back panel. Figure B-6 illustrates the parallel port connector
configuration. Table B-6 lists the parallel port connector pin assignments.
Figure B-6 Parallel Port Connector Pin Configuration

Table B-6 Parallel Port Connector Pin Assignments

Description
Strobe
Date bit 0
Data bit 1
Data bit 2
Data bit 3
Data bit 4
Data bit 5
Data bit 6
Data bit 7
Acknowdledge
Busy
Parity error
Select
Ultra 2 Series Service Manual—May 1996
13
25
Pin Signal Name
14 nAuto Fd
15 nFault
16 nInit
17 nSelectIn
18 Signal ground
19 Signal ground
20 Signal ground
21 Signal ground
22 Signal ground
23 Signal ground
24 Signal ground
25 Signal ground
1
14
Description
Auto feed
Fault
Initiate
Input select
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground
Signal ground