X-Authentication-Warning: delorie.com: mail set sender to opendos-bounces using -f Date: Tue, 10 Jul 2007 19:50:47 -0500 (CDT) From: Jude DaShiell To: opendos AT delorie DOT com Subject: RE: Fun with USB (update) In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Reply-To: opendos AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: opendos AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk If you have the software that came along with a zip disk, all of the drivers are on that disk. For dos users, the iomega/english subdirectory will be useful. On Thu, 7 Jun 2007, da Silva, Joe wrote: > Hi folks. > > Just an update ... > > Since I posted about this, I have learnt that USB flash > drives may be formatted in two ways : > > 1) Like a floppy disk ("removable" media), with just a > boot sector at LBA=0. > 2) Like a hard drive, with a partition table at LBA=0 > and a separate boot sector at LBA>0. > > I have also learnt that the only driver combination that > would work for me (Panasonic's usbaspi 2.20 + DatOptic's > nj32disk 1.06), only seems to recognize #1. > > All other driver combinations (including the popular > usbaspi + di1000dd) failed, typically "hanging" my PC. > > However, recently I managed to find some more of the > Adaptec ASPI drivers, in an archive called 'dosdrvr.exe' > (just search the web, I can't find it at Adaptec's site). > Now I have a second driver combination that works for me : > > Panasonic's usbaspi 2.20 + Adaptec's aspidisk 4.01b > > This driver combination recognizes both #1 and #2 formats! > BTW, it uses about 5k additional RAM, but you'd expect it > to use a bit more, since it does more ... > > I hope that's of some interest here. :-) > > I should also mention a totally different driver set, > dosusb + usbdisk, is partially successful for me, although > it still needs further development/debugging. However the > dosusb driver package intends to provide more general USB > support in DOS, not just "disk" drives. For more details, > see http://www.georgpotthast.de/usb/ > > Joe. > > >> -----Original Message----- >> From: shadow AT shadowgard DOT com [mailto:shadow AT shadowgard DOT com] >> Sent: Monday, 27 June 2005 7:36 PM >> To: opendos AT delorie DOT com >> Subject: Re: Fun with USB >> >> >> On 27 Jun 2005 at 18:07, da Silva, Joe wrote: >> >>> Well folks, over the weekend, I decided to experiment with >>> a bunch of USB and related drivers, on a Pentium II machine >>> with an Intel 440LX chipset, and one of those little USB >>> Flash drives. In pure DOS. >>> >>> You may be interested to know that the experiment was a >>> success! I found two drivers that in combination, worked >>> with my hardware and provided me with what appeared a >>> normal hard drive. I could even run 'chkdsk' and 'scandisk' >>> on the USB Flash drive, and use long file names by using >>> Henrik Haftmann's 'doslfn' TSR. Most satisfactory. :-) >>> >>> For details on various drivers and URL's, please see : >>> http://www.computing.net/dos/wwwboard/forum/13447.html >>> >>> This is all that I needed to add in my 'config.sys' to get >>> this "USB mass storage" stuff working in DOS : >>> >>> REM - Panasonic's universal USB-controller driver (formerly Novac) >>> device=C:\ASPI_USB.DRV\PANASONC\USBASPI.SYS /v /w >>> REM - Workbit's ASPI mass storage driver for USB drives >> (formerly Novac) >>> device=c:\ASPI_USB.DRV\datoptic\NJ32DISK.SYS >>> >>> I tested this successfully on MS-DOS 7.10 (from W95B/C) >>> and DR-DOS 7.03. I also tried the same with DR DOS 6.0, >>> but without success. >> >> Any idea if this will work on larger USB drives? Like my Iomega 80 >> gig and 250 gig drives? :-) >> >> BTW, I haven't gotten around to it yet, but there are IDE to CF card >> adapters available. I plan on seeing if I can set up a CF card as a >> "read only" drive for some of my "dedicated" MS-DOS boxes. All the >> temp files and stuff can go on a RAM disk. >> >> -- >> Leonard Erickson (aka shadow) >> shadow at shadowgard dot com >> >> >> >