HDMI-OPT-TX and RX family
User’s Manual
Section 4. Installation and operation Page 29 / 60
4.4.4. Factory preset EDID list
Lightware factory pre-loaded EDIDs are specially provided to force graphic cards to
output only the exact pixel resolution and refresh rate.
All of the memories (also include #49 - universal EDID) contain EDIDs supporting various
embedded audio formats for HDMI audio.
Lightware UNIVERSAL EDID (address #49) allows multiple resolutions including all
common VESA defined resolutions. In addition, it also features audio support. The use of
universal EDID is recommended for fast and easy system setup.
Table 4-2. Factory Preset EDID list
Info The first 50 EDID (#1..#50 inclusive) are factory preprogrammed and cannot be modified.
These are the most commonly used resolutions.
Info HDMI-OPT units can handle both 128 Byte EDID and 256 Byte extended EDID
structures.