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General
DDC Data Re-programming
In case the DDC data memory IC or main EEPROM which storage all
factory settings were replaced due to a defect, the serial numbers have
Analog DDC IC, & EEPROM
to be re-programmed"
It is advised to re-soldered DDC IC and main EEPROM from the old
board onto the new board if circuit board have been replaced, in this
case the DDC data does not need to be re-programmed.
Additional information
Additional information about DDC (Display Data Channel) may be
obtained from Video Electronics Standards Association (VESA). Extended
Display Identification Data(EDID) information may be also obtained from
VESA.
System and equipment requirements
1.
An i486 (or above) personal computer or compatible.
2.
Microsoft operation system Windows 95/98 .
Y
ou have t
o Install the EDID_PORT_Tool under Win2000/XP . As
Fig. 1 .
A. Copy the "UserPort.sys" to C:\WINNT\system32\drivers(win2000)
C:\WINDOWS\system32\drivers(winXP)
B. Running " io.exe" everytime, Before you start to programming
edid data .
3.
EDID45.1exe program .
4.
DDC 2BI-ISP TOOL:
Inclusion :
A. DDC2BI-ISP TOOL(3138 106 10396) x1 (as Fig. 2)
B. Printer cable x1
c. (D-Sub) to (D-Sub) cable x2
D. D-SUB to DVI cable X1
Note: The EDID45.1EXE is a windows-based program, which cannot
be run in MS-DOS.
To Printer port
DDC Instructions
Pin Assignment
Input DVI-D connector pin assignment
".
DC 8~12V
Power
indicator
Fig. 1
Fig. 1
Input analog D-SUB connector pin assignment
PIN No.
Fig. 2
Fig. 2
To Printer port
DC 8~12V
To Monitor
D-sub/DVI cable
To Monitor
D-sub cable
Power
indicator
Pin No.
Description
1
TMDS data2-
2
TMDS data2+
3
TMDS data2/4 shield
4
NC
5
NC
6
DDC clock
7
DDC data
8
NC
9
TMDS data1-
10
TMDS data1+
11
TMDS data1/3 shield
12
NC
13
NC
14
+5V
15
Ground (return for +5V and H/Vsync)
16
Hot plug detect
17
TMDS data0-
18
TMDS data0+
19
TMDS data0/5 shield
20
NC
21
NC
22
TMDS clock shield
23
TMDS clock+
24
TMDS clock-
SIGNAL
1
Red
2
Green/ SOG
3
Blue
4
Sense (GND)
5
NC
6
Red GND
7
Green GND
8
Blue GND
9
DDC +5V
10
Cable detect (GND)
11
Sense (GND)
12
Bi-directional data
13
H/H+V sync
14
V-sync
15
Data clock
200WP7 LCD
21
Go to cover page
Fig. 3
Fig. 3
Fig. 4
Fig. 4
Fig.5
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