INT 2F - CD-ROM - GET DRIVE DEVICE LIST AX = 1501h ES:BX -> buffer to hold drive letter list (5 bytes per drive letter) Return: buffer filled, for each drive letter BYTE subunit number in driver DWORD address of device driver header (see #01646) Note: reportedly returns AX=0000h and an invalid address under Windows95; other reports say it works fine SeeAlso: AX=1510h