XCDROM IDE/ATAPI optical drive driver (ver 2.2) Abandoned Freeware This IDE optical drive (CD-ROM, DVD-ROM) driver TSR uses half the system memory of the DOS cd-rom drivers from OAK and BENQ; and will work with most CD-ROM, CDrw, and DVD-ROM devices. The Driver must be used in conjunction with a DOS drive letter assignment program such as the Microsoft MSCDEX, SHSUCDX, or equivalent driver. If XCDROM used in conjunction with the XDMA UDMA Driver, it will operate UDMA drives in UDMA mode.