Int 10/AX=5F50h

Chips & Technologies Extended BIOS - GET LAPTOP DISPLAY STATUS

AX = 5F50h

Return:
DL = display status (see #00183)

Note: This call can be used on Toshiba laptops since ~1995 instead of INT 42/AX=7503h which is no longer supported with the F655xx chips

See Also: INT 42/AX=7503h


Bitfields for display status:

Bit(s)  Description     (Table 00183)
7-4    always 0 ???
3      1:
Both displays active (bit 1 also set)
2      1:
Normal (monochrome display only), 0: inverse or color
1      1:
Internal display active, 0: external only
0      always set ???

Category: Video - Int 10h - C

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