File name 25gs3-p18~p21(EDID).pdf18 107P2 CM 25 GSIII DDC Instructions
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1. General 3. Pin assignment
DDC Data Re-programming
A. 15-pin D-Sub Connector
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. The 15-pin D-sub connector (male) of the signal cable
on the 3rd row for DDC feature :
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.
DDC EDID structure
For the monitor : Standard Version 3.0
Structure Version 1.3
1 5
2. System and equipment requirements 6 10
11 15
1. An i486 (or above) personal computer or compatible.
2. Microsoft operation system Windows 95/98.
3. EDID301.EXE program (3138 106 10103) shown as Fig. 1
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 1.55) is a
windows-based program, which cannot be run in MS-DOS.
Pin No. Assignment Pin No. Assignment
1 Red video input 9 No pin
2 Green video input 10 Logic ground
EDID301.EXE
3 Blue video input 11 Identification output -
Ver:1.55
4 Identification output - |