{{page>en:templates:dosint}} ====== Int 21H, AH=44H, AL=0FH ====== ===== Version ===== 3.2 and higher ===== Brief ===== SET LOGICAL DRIVE MAP ===== Family API ===== ===== Input ===== AX = 440Fh BL = physical drive number (00h=default,01h=A:,etc)) ===== Return ===== CF set on error AX = error code (01h,0Fh) (see #01680 at AH=59h/BX=0000h) CF clear if successful drive now responds to next logical drive number ===== Macro ===== ===== Notes ===== maps logical drives to physical drives, similar to DOS's treatment of a single physical floppy drive as both A: and B: DR DOS 3.41-5.0 DRIVER.SYS does not support drive mapping and thus always returns an error on this function ===== See also ===== AX=440Eh,INT 2F/AX=122Bh ===== Note ===== Text based on [[http://www.cs.cmu.edu/~ralf/files.html|Ralf Brown Interrupt List Release 61]] {{page>en:templates:int}} {{page>en:templates:fapi}}