Specifications

Legacy BIOS References
161
INT 0x1D - Video Parameter Table
Set by the video BIOS.
INT 0x1E - Floppy Diskette Drive Parameters
Points to an 11-byte data structure.
INT 0x1F - Video Graphics Characters
Set by the video BIOS.
INT 0x40 - Floppy Diskette Services
This INT must be supported if non-floppy controllers are present.
INT 0x41 - HDD C: Drive Parameters
Points to a 16-byte data structure for drive C:.
INT 0x46 - HDD D: Drive Parameters
Points to a 16-byte data structure for drive D:.