Compatibility: 3.0+ Expects: AX 4408H BL drive number (0=default, 1=A, 2=B, etc.) ────────────────────────────────────────────────────────────────── Returns: AX error code if CF is set to CY 0000H if drive contains removable media 0001H if drive does NOT contain removable media ────────────────────────────────────────────────────────────────── Info: Determines whether a device uses removable media; for instance, to see if a drive is a hard disk or a floppy diskette). Notes: ■ This fn cannot be used to query a network drive. ■ Block device drivers need not support this function. In that case, on return CY is set and AX contains an error code of 0001H (invalid function). See Also: Fn 44H (IOCTL) DOS Functions -♦-