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DDC Instructions
1. General
3. Pin assignment
Fig. 2 Alignment Kits
To Monitor
DC 8V~12V
Video Card
Video Card
To Printer
Power indicator
A. 15-pin D-Sub Connector
DDC Data Re-programming
In case the main EEPROM with Software DDC which store all factory
settings were replaced because a defect,repaired monitor the serial
numbers have to be re-programmed.
It is advised to re-soldered the main EEPROM with Software DDC 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.
3. EDID301.EXE program (3138 106 10103) shown as Fig. 1
DDC EDID structure
For the monitor : Standard Version 3.0
Structure Version 1.3
1. An i486 (or above) personal computer or compatible.
2. Microsoft operation system Windows 95/98.
4. Software DDC Alignment kits (4822 310 11184) shown as Fig. 2.
The kit contents: a. Alignment box x1
b. Printer cable x1
c. D-Sub cable x1
Note: The EDID301.EXE (Release Version 1.58, 20000818)is a
windows-based program, which cannot be run in MS-DOS.
2. System and equipment requirements
Diskette with EDID301.EXE
EDID301.EXE
Figure 1
Ver:1.58
The 15-pin D-sub connector (male) of the signal cable
on the 3rd row for DDC feature :
1 Red video input
2 Green video input
3 Blue video input
4 Optional - connected to pin 10
5
6 Red video ground
7
8 Blue video ground
9+5V
10 Sync ground
11 - connected to pin 10
12 Serial data line (SDA)
13 H.Sync/H+V
14 V. Sync (VCLK for DDC)
15 Data clock line (SCL)
Pin No. Assignment
Not connected
Green video ground
Optional
1
10
6
11
15
5
19
202P4 M25P
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