Analog interfaces such as VGA and DVI-A and digital interfaces such as DVI-D, HDMI and DisplayPort
General specifications
Hot pluggable
Yes
External
Yes
Video signal
Analogue RGB or monochrome
Pins
13
Pinout
Pin
Sun[1]
SGI/ DCC[2]
Pin 1
Ground/ DDC-SCL
Monitor ID bit 3/ Data clock (SCL)
Pin 2
Vertical sync/ NC
Monitor ID bit 0/ Bi-directional data (SDA)
Pin 3
Sense #2/ NC
Composite sync/ Composite sync
Pin 4
Sense ground/ DDC ground
Horizontal drive/ Horizontal sync
Pin 5
Composite sync
Vertical drive/ Vertical sync
Pin 6
Horizontal sync/ DDC-SDA
Monitor ID bit 1/ DDC (+5V input)
Pin 7
Ground/ VSYNC
Monitor ID bit 2/ DDC ground
Pin 8
Sense #1/ NC
Digital ground/ Ground
Pin 9
Sense #0 /NC
Digital ground/ Ground
Pin 10
Composite ground
Sync ground/ Ground
A1
Red
Red
A2
Green (gray for monochrome)
Green (gray for monochrome)
A3
Blue
Blue
DB13W3 (13W3) is a style of D-subminiature connector used for analog video interfaces. The 13 refers to the total number of pins, the W refers to workstation and the 3 refers to the number of high-frequency pins. The connector was something of a pseudo-standard for high-end graphical workstations from the early 1990s to the early 2000s.
^Goldwasser, Sam (October 1999). "Monitor Repair: The Finale!". Electronics Now. 70 (10). Gernsback Publications: 6–10 – via ProQuest.
^Moyer, Charmaine; Linda Rae Sande; Kwong Liew (1999) [1997]. Octane Workstation Owner's Guide(PDF). Silicon Graphics, Inc. pp. 309–310. Archived from the original (PDF) on June 2, 2012.
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