DOS=HIGH,UMB
lastdrive=Z
device=HIMEM.SYS
rem The following line loads Panasonic's universal USB- controller driver
devicehigh=USBASPI.SYS /v /w /e
rem the following is an aspi mass storage driver for usb- connected HDs and compactflash memory cards
devicehigh=DI1000DD.SYS
rem The following one loads CD-ROM driver
devicehigh=USBCD.SYS /d:USBCD001
autoexec.bat
@echo off
REM the following line adds a drive letter to the usb cd(rom/r/rw) mounted
LH MSCDEX /d:USBCD001