RBIL61 - DIRECT DISK WRITE

RBIL61 - DIRECT DISK WRITE

INT 21 - MS-DOS 7.0+ - GENERIC IOCTL - LOCK PHYSICAL VOLUME {#idx49299}

INT 21 - PTS-DOS 6.51 & S/DOS 1.0 - DIRECT DISK WRITE {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx57135}