13W3 Connector; Figure C-7 13W3 Connector - Sun Microsystems SPARCstation 20 Service Manual

SCSI Connector Pin Assignments (Continued)
TABLE C-6
Pin Function
49
req*
50
io*
* Active low signal

13W3 Connector

lists the pin assignments and signal descriptions for the 13W3 connector.
TABLE C-7
Note – Connector 13W3 is not enabled unless a VSIMM is installed into SIMM slot
J0304.
A1
1 2 3 4 5
6 7 8 9 10
13W3 Connector
FIGURE C-7
13W3 Connector Pin Assignments
TABLE C-7
Pin Function
A1
Red
A2
Green
A3
Blue
1
Serial Read
2
Vert Sync
3
Sense <0>
4
Ground
I/O Level
O TTL
O TTL
A2 A3
I/O Level
O Analog
O Analog
O Analog
I TTL
O TTL
I TTL
O GND
Appendix C
Signal Description
Request
Input/output
Signal Description
Video
Video
Video
Serial read
Vertical sync
Sense
Ground
System Board Connector Pinouts 215