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// Retro Vintage Connectors

Sun SparcStation 13W3 Video

13W3 is a hybrid D-sub connector with 10 standard signal pins plus 3 coaxial contacts used for RGB video on Sun workstations, SGI machines, and some DEC equipment from the 1980s and 1990s.

// Specifications
Standard
13W3 composite D-sub coax
Pin Count
13 (10 signal + 3 coax)
Signals
RGB composite sync and control
Voltage
0.7V RGB video
Status
Obsolete replaced by VGA and DVI
Use Case
Sun SparcStation SGI workstations DEC Alpha
// Pin Reference Table
Pin Name Function Type
A1 RED Red analog video 0.7V ADC
A2 GREEN Green analog video 0.7V ADC
A3 BLUE Blue analog video 0.7V ADC
1 SERDAT Sync on green or serial data I/O
2 SENSE0 Monitor sense bit 0 I/O
3 COMPOSITE_SYNC Composite sync I/O
4 HSYNC Horizontal sync I/O
5 VSYNC Vertical sync I/O
6 GND Ground GND
7 SENSE1 Monitor sense bit 1 I/O
8 SENSE2 Monitor sense bit 2 I/O
9 GND Ground GND
10 GND Ground GND