Int 13/AH=20h

AH = 20h
AL = drive (00h = A:, etc. or 7Fh for all removable drives???
or FFh for all drives)

Return:
AX = status (0000h successful)

Program: QUICKCACHE II is a shareware disk cache by P.R. Glassel and Associates, Inc.

Desc: Flush any dirty buffers for the specified drive(s) and then discard those sector buffers

See Also: AH=21h"QUICKCACHE" - AH=22h"QUICKCACHE" - AH=28h