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13 pin 13W3 female connector layout
13 pin 13W3 female connector

Silicon Graphics manufacturers high end computers that are used in graphic rendering and CAD/CAM applications. This computer generally operates at two different frequencies (48 kHz and 64 kHz), which is determined upon boot up. This computer type outputs sync RsGsBs, RGsB, RGBS and RGBHV.

Normal Monitor

Pin Description
1 Monitor ID Bit 3, TTL
2 Monitor ID Bit 0, TTL
3 Composite Sync (Active Low), TTL
4 Horizontal Drive (Active High), TTL
5 Vertical Drive (Active High), TTL
6 Monitor ID Bit 1, TTL
7 Monitor ID Bit 2, TTL
8 Digital Ground
9 Digital Ground
10 Sync Ground

DDC Monitor

Pin Description
1 Data Clock (SCL)
2 Bi-directional Data (SDA)
3 Composite Sync
4 Horizontal Sync
5 Vertical Sync
6 DDC (+5VInput)
7 DDC Ground
8 Chassis Ground
9 Chassis Ground
10 Chassis Ground
R Red
G Green
B Blue
According to 1 reports in our database (1 positive and 0 negative) this pinout should be correct.

Is this pinout
Source(s) of this and additional information: SGI Octane Workstation Owner"s GuideTechnik-Tipps at AV Invest, from Hardware Book
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