IBM DG1 Computer Monitor User Manual


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IBM 9503-T221 LCD monitor Updating the EDID settings for your monitor (R1.3)
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Valid settings
The DDC-CPU firmware that performs the EDID setting process within the monitor can only detect
and update certain types of EDID setting. If it encounters a setting it does not recognize, it reads it as 000
(unknown).
From the following table, choose the EDID setting that is appropriate for the operating system and
video graphics card you are using.
If you need to use an EDID setting not listed in the table, you will need to upgrade to a later version of
DDC-CPU.
EDID settings may be updated without notice. For the latest information, refer to the IBM technical
support website for the T221 monitor.
Even though a video graphics card is listed here, not all of its functions may not be supported.
Table1: Supported setting number by DDC-CPU version 3.2 and 3.3
Setting
number
Applicable
model
Description
07 - Reserved. Do not use.
08 - Reserved. Do not use.
09 - Reserved. Do not use.
10 - Reserved. Do not use.
12 - Reserved. Do not use.
13 - Reserved. Do not use.
20 DG1 For Matrox-G200MMS
TM
T221 version (Windows®)
27 - Reserved. Do not use.
29 DG1/DG3 For ATI-FireGL4
TM
, nVIDIA-Quadro4-900XGL
TM
(Windows®)
(For the users who want 3840x2400 at 20Hz refresh rate. Recommended)
30 - Reserved. Do not use.
31 - Reserved. Do not use.
Table2: Supported setting number by DDC-CPU version 3.4 and 3.5
Setting
number
Applicable
model
Description
07 - Reserved. Do not use.
08 - Reserved. Do not use.
09 - Reserved. Do not use.
10 - Reserved. Do not use.
12 - Reserved. Do not use.
13 - Reserved. Do not use.
20 DG1 For Matrox-G200MMS
TM
T221 version (Windows®)
27 - Reserved. Do not use.
29 DG1/DG3 For ATI-FireGL4
TM
, nVIDIA-Quadro4-900XGL
TM
(Windows®)
(For the users who want 3840x2400 at 20Hz refresh rate. Recommended)
30 - Reserved. Do not use.
31 - Reserved. Do not use.
34 DG1/DG3 For nVIDIA-Quadro4-900XGL
TM
(Windows®)
(Only for the users who want 3840x2400 at 24Hz refresh rate)
35 DG1/DG3 For nVIDIA-Quadro4-900XGL
TM
(Windows®)
(Only for the users who want 3840x2400 at 25Hz refresh rate)
July 2002. Copyright International Display Technology 2002. All rights reserved.
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