X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - format of video parameter table element [ega, vga only]:

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Format of Video Parameter Table element [EGA, VGA only]:
Offset  Size    Description
 00h    BYTE    Columns on screen                 (see 40h:4Ah)
 01h    BYTE    Rows on screen minus one          (see 40h:84h)
 02h    BYTE    Height of character in scan lines (see 40h:85h)
 03h    WORD    Size of video buffer              (see 40h:4Ch)
 05h  4 BYTEs   Values for Sequencer Registers 1-4
 09h    BYTE    Value for Miscellaneous Output Register
 0Ah 25 BYTEs   Values for CRTC Registers 00h-18h
 23h 20 BYTEs   Values for Attribute Controller Registers 00h-13h
 37h  9 BYTEs   Values for Graphics Controller Registers 00h-08h

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