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

Sun manufactures high end computers that are capable of very high resolutions. They are able to output these various resolutions from the same card, this is determined at boot up by the manner in which sense lines (ID Bits) are terminated within the local monitor.

Pin Name Description
1 GND Ground*
2 VSYNC Vertical Sync*
3 SENSE2 Sense #2
4 SENSEGND Sense Ground
5 CSYNC Composite Sync
6 HSYNC Horizontal Sync*
7 GND Ground*
8 SENSE1 Sense #1
9 SENSE0 Sense #0
10 CGND Composite Ground
R RED Red
G GREEN/GRAY Green/Gray
B BLUE Blue

*) Considered obsolete, may not be connected.

Monitor-sense bits defined as:

Value Bit 2 Bit 1 Bit 0 Resolution
0 0 0 0 ?
1 0 0 1 Reserved
2 0 1 0 1280 x 1024 76Hz
3 0 1 1 1152 x 900 66Hz
4 1 0 0 1152 x 900 76Hz 19
5 1 0 1 Reserved
6 1 1 0 1152 x 900 76Hz 16-17
7 1 1 1 No monitor connected


 

Besides the classic pinning there is also a DDC pinning used for the newer monitors and at least the Expert-3D graphics adapter:
 

Pin Name Description
1 DDC-SCL  
2 NC  
3 NC  
4 DDC GND DDC Ground
5 CSYNC Composite Sync
6 DDC-SDA
 
7 VSYNC
 
8 NC
 
9 NC
 
10 SGND SYNC Ground
R RED Red
G GREEN/GRAY Green/Gray
B BLUE Blue

 


 

According to 5 reports in our database (3 positive and 0 negative) this pinout should be correct.

Is this pinout
Source(s) of this and additional information: Tommy"s pinout Collection, from Hardware Book
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