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View File Name : sun

How to connect PC monitor to SUN

(see http://kotaiz.sci.hokudai.ac.jp/computers/monitor.html)

13W3 connector (SUN) (at the videocard)

---------1-----------5------------ 
\  R     o  o  o  o  o   G    B  /
 \(O)  o  o  o  o  o    (O)  (O)/
  \ ---6-----------10----------/

My remark:
You can make such connector yourself, if you does not have one.
Take male DB25 connector (used for PC printer port)
Remove pins 1-5,11-18,24,25
Make three holes approximately 1.6 mm in diameter between former 
pins 2 and 14, 4 and 17, 12 and 25 respectively.
See the picture (at the connector side)

1                                               13
x   x   x   x   x   o   o   o   o   o   x   x   x  
   o         o                               o
  x   x   x   x   x   o   o   o   o   o   x   x
  14                                          25

Place into these holes pins taken from another female connector
(e.g., PC joystick port, COM port etc.)
That's all. It works for me fine.  
  
VGA connector
----5-------1----
\   o o o o o   /
 10  o o o o o 6
  \ o o o o o / 
   15-------11

VGA signal description
1	Red
2	Green
3	Blue
4	ID2	Monitor sense2
5	GND
6	RGND	Red ground
7	GGND	Green ground
8	BGND	Blue ground
9	-	No pin
10	SGND	Sync ground
11	ID0	Monitor sense0
12	ID1,SDA	Monitor sense1
13	HSYNC,CSYNC
14	VSYNC
15	ID3,SCL

SUN signal description
1	GND
2	VSYNC	Vertical sync
3	Sense2
4	SenseGND
5	CSYNC	Composite sync
6	HSYNC	Horizontal sync
7	GND
8	Sense1
9	Sense0
10	CGND	Composite ground
A1	Red
A2	Green/Gray
A3	Blue

Sense key bits
0 1 0 1280x1024 76Hz
0 1 1 1152x900  66Hz
1 0 0 1152x900  76Hz 19inch
1 1 0 1152x900  76Hz 16-17inch
1 1 1 No monitor connected


Wiring:

13W3				VGA

A1------------------------------1
A2------------------------------2
A3------------------------------3
1,4,7---------------------------5,6,7,8
5-------------------------------13
10------------------------------10
and 
for 1280x1024x76Hz on 13W3 connect pins 3,9 to 1,4,7
for 1152x900x66Hz on 13W3 connect pin 3 to 1,4,7
for 1152x900x76Hz on 13W3 connect pin 9 to 1,4,7

Vasyl Ostrovskyi
vo@imath.kiev.ua