on Wed, 1
> > Jun 2005 23:01:17 PDT7
> >
> >
> > Here's one update on using the Creative Micro N200. I noticed as beep sound
> > when the unit was **detatched** from the computer. When you plug it in, the
[...]
> > # = 1; Vendor=Creative; Product=ID:0x412B; Rev=11.03; # Lang=1; Lang Ids=1033
> >
> > Does this help spur an idea in anyone. It's so close, I could just smell it.
> >
> > -Rocky
>
> I am not an "expert" on USB and OS/2..
>
> You might try to contact Chris Wohlgemuth, since he has written USB, MSD
> drivers, and might be able to determine what is different with the
> Creative Micro N200.
>
> Read here,
> <http://www.os2warp.be/index2.php?name=cwusb>
> in Section "1.1. Introduction", for information on how to report
> non-working devices.
>
> It does sound quiet close!!
>
> MarkO
Eureka! I've found the solution. I went hunting on the www.os2world.com
forums, specifically the USB forum. Member Cris made the suggestion to try the
drivers from
http://hobbes.nmsu.edu/pub/os2/apps/mmedia/music/mmportv1.zip
I replaced the USBD.SYS driver file from it from the stock eCS 10.145 one and
it worked. Now I can read and and write files to the player. However, hidden
files (EA DATA. SF, WP ROOT. SF) get copied over to the player, lock it up and
stop it from playing. Does anyone know how can I prevent these files from
being written to the USB drive under all conditions and circumstances (whether
they exist on the source drive/file or not)?
Now, get this. WinXP seems to preserve EAs attached to files. Maybe this is
common knowledge to folks but it wasn't to me. While experimenting with the
MP3 player, I performed the following. I copied an MP3 file to the player
using the WPS. That's when it locked up. Reattaching it, I noticed the hidden
files on it and could not delete them using eCS for one reason or another. I
took it to a WinXP machine to get it back to a known state. I copied only the
music files that we present on the player (which consisted of the demo track
supplied with the player and the MP3 test file) to a temporary directory on the
WinXP machine to preserve the files figuring that the attributes would be left
behind. I went to a command line and tried to delete all files on the player.
It deleted the music files but denied me access to hidden file. I formatted
the drive. I went through this process twice up to this point to verify what I
was seeing was true, once using Explorer and once using the command line to
copy only the music files back to the player. In both instances, the hidden
file (EA DATA. SF) was recreated on the player locking it up. This was at once
amusing (Windows preserving EAs) and confounding (the player kept locking up).
Once I could be assured that no hidden files were on the player it worked fine.
So, there you go. Information and a couple of questions. Thanks for you help.
-Rocky
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