### DOS-USB, miracle driver from Japan does the unthinkable ### | |
By Fernando Cassia | |
Friday 27 June 2003, 11:19 | |
(Reproduced from http://www.pcxt-micro.com/dos-usb.html) | |
Having an external USB CD-Writer or Harddisk works wonders as long as your oper… | |
Before you start scratching your head, let me repeat that this is not related t… | |
Imagine that you want to use Paragon Drive Backup, Powerquest's Drive Image, or… | |
Well, now you CAN. | |
The minor miracle here is using a driver file called USBASPI.SYS ("Panasonic v2… | |
However, it should be noted that this driver will only map mass storage devices… | |
Before you continue reading and decide to go out and do "bad things" let me men… | |
The Panasonic DOS drivers seem to work on most USB chipset implementations, inc… | |
Now the hairy details for DOS old-timers like myself who actually enjoy editing… | |
The driver switches you can use are: device=(path)\USBASPI.SYS [/e] [/o] [/u] [… | |
The driver scans all three USB controller specs by default, but you can limit w… | |
/e EHCI spec (USB 2.0) | |
/o OHCI spec (newer USB 1.x) | |
/u UHCI spec (older USB 1.x) | |
And so far I learned what these switches mean: | |
/w Wait, displays text message for attaching or swapping USB devices | |
/v Verbose, shows status messages - recommended | |
/l[=n] LUN, specifies highest LUN # to be attached to | |
device ID (default=0) | |
Example config.sys and autoexec.bat files on a DOS | |
Bootdisk with USB support for an USB CD- (ROM/R/RW) or Harddisk looks like this: | |
[config.sys] | |
DOS=HIGH,UMB | |
lastdrive=Z | |
device=HIMEM.SYS | |
REM The following line loads the universal USB-controller driver | |
devicehigh=USBASPI.SYS /v /w /e | |
REM the following is an ASPI mass storage driver for USB-connected HDs and Comp… | |
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 | |
* The required files above can be downloaded in zip format at the bottom of thi… | |
The Panasonic driver also seems to recognise some TI Cardbus controllers, makin… | |
=== Attachments ========================================== | |
dos-usb.zip |