Compatibility: 4.0+ Expects: AX 440dH BX drive (0=default, 1=A, 2=B, etc.) CL 66H CH 08H (device category: block device) DS:DX addr of an IoctlMediaIdRec to receive the data ────────────────────────────────────────────────────────────────── Returns: AX error code if CF is set to CY DS:DX buffer is filled with requested info ────────────────────────────────────────────────────────────────── Info: Obtains the current volume label, serial number, and file system ID for the specified drive. See Also: Fn 44H (IOCTL) Fn 440dH (generic IOCTL for block devices) Fn 440dH 46H (set media ID) DOS Functions -♦-