SBPCD_v2.SYS is a hardware dependent device driver for Matsushita/Panasonic CD-ROM drive that you need to include in the CONFIG.SYS file. The format is as follows : DEVICE=[drive:][path]SBPCD_v2.SYS /D:device_name [/P:nnn] where /D:device_name specifies a name for the device driver. /P:nnn specifies the base I/O address given by nnn. This setting is the base I/O address setting on the Sound Blaster Pro card. Example, DEVICE=C:\SBPRO\DRV\SBPCD_v2.SYS /D:MSCD001 /P:220