Developed by Panasonic in …, latest version seems to be 2. After plugging you simply load it again from the command line. Again, problem can be random just retry or persistent. There are various open bugs the author is aware of, and should be fixed in next version:. Following is an incomplete list of USB flaws and problems that could or can be observed: But obtaining much less in not that uncommon and can have various reasons: There used to be the Motto Hairu diver included but now you have to download it separately:
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However, it comes with several limitations: Obviously this is a driver bug, an incompliant or defective USB device or transfer errors should not be able to cause such effects.
Most of them support only storage devices in one exception also mouse, in one other reportedly all and they are not intended to be a general drivers for all USB disks. There are various open bugs the author is aware of, and should be fixed in next version:. Good info about USB can be found on Wikipedia: ZIP has the lowlevel set aspiohciaspiuhci and aspiehci and the highlevel part guest.
There exist several generations of USB interfaces: Developed by Panasonic in …, latest dusw seems to be 2. The lowlevel part is called sbp2aspi and the highlevel nj32disk. This is a problem mostly occurring in Win XP.
Interesting DOS programs – Utility Programs
Also USB 2 cardreaders can be slow even very slow – even if you insert a fast card and connect to a fast PC, some reader internals will slow down the transfer to near USB 1 performace.
Not all USB host controller cards and chips are supported.
Again, problem can be random just retry or persistent. They are supposed to work only with some specified hardware by one manufacturer. OFF when idle vs ON when idle, or even blinking already when idle faster when activeor failure to go OFF after device is ready for unplugging. USB protocols are intended to be safe, and to recover from errors by resending data blocks that seem to have got lost or corrupted.
OHCI is currently under development. Any issues not working for your USB device may be reported to the developer and maybe he can provide an improved version. Project site and download: This project is open source.
Interesting DOS programs
Historical pre-release news from —11— It works only in USB 1 mode. You can even try to mix them with counterparts by Panasonic.
There is also a lot of other mostly old open source DOS related software on his website. They are comparable, both provide not only USB storage support but also USB keyboards, mice, printers and other devices. The archive contains three files: Unplugging the device may terminate a driver deadloop, or not.
Useful Dos Files
It implements only read access, no write support yet. Can assign only one volume letter, mounts only one the lowest primary partition.
TXT google translate fails, which language is this? Of course a slow hard disk used as source or destination for copying will also ruin the performance.
USB drivers sorted from latest and best to oldest and most historical 2. After plugging you simply load it again from the command line.
License is unclear and there is almost no documentation. But obtaining much less in not that uncommon and can have various reasons: If it seems persistent, following reasons are possible: