Driver Dos

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Linux Device Drivers DOs and DON Ts A guide to writing Robust Linux Device Drivers.

USB with DOS

Robert Prins was one of a few people who sent me this copy of an article about USB support on DOS.

Yes, there are USB drivers for DOS

Miracle-driver from Panasonic Japan does the unthinkable

By Fernando Cassia: Friday 27 June 2003,

HAVING AN EXTERNAL USB cd-writer or hard disk works wonders as long as your operating system is in good shape. But if someday the system stops booting, you are lost. Booting from good old MS-DOS or Windows boot diskettes - even fitted with the needed third party NTFSDOS or EXTFS drivers - gives you access to your fixed hard disk only, but none of the USB peripherals can be accessed from the DOS command line. Before you start scratching your head, let me repeat that this is not related to your favorite linux distro s or Windows XP/W2K/98/ME s USB support, this has to do with people like me, booting some flavor of DOS to copy files around or using DOS-based partition back-up software.

Imagine that you want to use Paragon Drive Backup, Powerquest s Drive Image, or Norton Ghost, to backup your hard disk partitions to that nice 120gb external USB 2.0 hard disk you just bought. You can t do it. Or if your wife/husband has managed to mess up her/his system so badly that it can t boot anymore, yet she/he wants you to have a copy of those nice digital pictures stored on a compactflash card plugged into the compactflash reader.. No way, Jose. Not from DOS, used to be the phrase.

Well, now you CAN.

The minor miracle here is using a driver file called USBASPI.SYS Panasonic v2.06 ASPI Manager for USB mass storage. Given the right parameter incantations, this 16-bit Panasonic-developed DOS driver will let your system boot good-old DOS -any flavour, maybe even Caldera s OpenDOS and recognize all USB devices connected to the respective controllers. So this USB device identification is also useful for debugging/troubleshooting purposes.

However, it should be noted that this driver will only map mass storage devices like external hard disks, cd- roms, cd-rw, dvd-rom, zip, jaz, ls- 120, and flash memory to ASPI devices. Then you need an elusive ASPI mass storage driver to map HDs and flash disks it to a drive letter in DOS. This one goes by the name di1000dd.sys, commonly referred to as the Motto Hairu USB Driver. Don t ask why, it s called that, I don t know.

Before you continue reading and decide to go out and do bad things let me mention that legalese on the Panasonic site most probably prevents you from downloading and using this driver on non-Panasonic devices, yet according to reports that are floating around on the Interweb, people have been able to use these universal drivers on a wide range of systems with different USB connectivity, UHCI, OHCI, and USB 2.0 s EHCI with the NEC chipset.

The Panasonic DOS drivers seem to work on most USB chipset implementations, including Intel and NEC, as well as NVidia, VIA, and SIS. It seems Panasonic engineers didn t want to have to write a driver every time for every different chipset, so they wrote this universal driver to work with all possible USB controllers.

Now the hairy details for DOS old-timers like myself who actually enjoy editing config.sys Cough. Ed. :

The driver switches you can use are: device path USBASPI.SYS /e /o /u /w /v /l n /f /r /slow /nocbc /norst /noprt

The driver scans all three USB controller specs by default, but you can limit which controllers are enabled using these switches:

/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 boot diskette with USB support for an usb cd- rom/rw and hard disk look like this:

config.sys 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

The Panasonic driver also seems to recognise some TI cardbus controllers, making it possible to use USB peripherals attached to USB even 2.0. Cardbus cards. Your mileage might vary. Knowledge of the Japanese language might be required to read and understand the Panasonic licence agreement or the cease-and-desist letters. Explore at your own risk.

DriverGuide.com - Using DriverGuide s Installer

DriverGuide s installer software Windows only simplifies the driver installation process.  It safely downloads and verifies your driver and then assists in the installation of it.

You may notice that the file size of the installer software is much smaller than the file size of your actual driver.  The reason is that first the installer setup file is downloaded, and then the installer software does the work of fetching your driver from our fastest download server.

The installer setup file has been certified safe by leading-class virus and malware scanners.

Sometimes anti-virus software can report false positives.  If this happens to you, we encourage you to submit the file you download to VirusTotal a free, independent service which identifies malicious content where you will see dozens of other anti-virus scanners report the file is perfectly safe.

The installer setup file may include a purely optional advertising offer which you are free to decline.  We only work with trusted advertising partners.

Note: Windows only. Mobile, Mac OS and Linux users can choose other download options by deselecting the installer checkbox below the download button.

COMPATIBILITY: This driver was specifically designed for the Creative Labs Sound Blaster 16 family of boards, including Sound Blaster PnP models, Sound Blaster 32.

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Iomega 100 / 250 mb Zip Drives Free Driver Download for DOS - Iomegazip54.zip. World s most popular driver download site.

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Collection of drivers and utility software to help with running DOS and DOS applications on modern hardware. Includes several sound card and video drivers.