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