However, Vesa specification defines the segment index value
range as 00h to 7Fh, so this only allows addressing 128 segments × 256 bytes 7001320000000000000♠32 KiB.
DDC version 3, December 1997,
introduced the DDC2Bi protocol and support for Vesa Plug and Display
and Flat Panel Display Interface on separate device addresses, requiring them to comply with EDID 2.0.