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5. EDID
(The Extended Display
Identification Data ) / DDC(Display
Data Channel) download
* Caution 1: Use the proper cables below for EDID Writing
* Caution 2: Write EDID data to EEPROM by using DDC2B
Protocol.
5.1 Profile : To be possible for plug and
play
5.2 Equipment
1) Adjusting PC with S/W for writing EDID Data.(S/W : EDID
TESTER Ver.2.5)
2) A Jig for EDID Download
3) Cable : D-sub 15Pin cable, HDMI cable.
For Analog EDID
5.3 DDC EDID Write (RGB 128Byte )
- Connect D-sub Signal Cable to D-Sub Jack.
- Write EDID DATA to EEPROM (24C02) by using DDC2B
protocol.
- Check whether written EDID data is correct or not.
5.4 DDC EDID Write (HDMI 256Byte)
- Connect HDMI Signal Cable to HDMI Jack.
- Write EDID DATA to EEPROM(24C02) by using DDC2B
protocol.
- Check whether written EDID data is correct or not
5.5 EDID data
1) M227WAP
No.
Item
1
Manufacturer ID
2
ProductID
3
Year
4
Version
5
Revision
6
Model Name
Copyright
LG Electronics. Inc. All right reserved.
Only for training and service purposes
For HDMI EDID
content
16bit Data
GSM
1E6D
22426(Analog)
579A
22428(HDMI)
579C
2009
13
Analog : 1
Digital : 1
1
Analog :
Digital :
3
M227W
5.5.1. RGB EDID Data
1) M227WAP
** ***
5.5.2. HDMI EDID Data
1) M227WAP
** ***
- All data are HEXA
- Adjustable Data :
**: week
***: year ex) when year 2008 : input "12"
**** : CHECK SUM (deferent along week, year)
- 16 -
*
****
*
****
****
LGE Internal Use Only
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