I have EMagic EMI 2/6, Evolution UC-16 midicontroller, Printer, Mouse,
Jukebox3 and these all seem to search drivers sometimes. But it does not ask
me anything,
just does search littlebit.

What USB controller you use? Mine is SiS
which seems to be little worse that Intel or Lucent or similar "Real" USB
controllers.
It works but people have told that there may be this kind of features with
3rd manufacturer USB controllers. Basically
all this seems to be Microsofts fault...

..jukka

"Mike Rivers" wrote in message
news:znr1062425240k@trad...

I got a TASCAM US-122 (2-channel USB audio interface box), plugged it
in to a USB port, and installed the drivers per instructions. It
worked fine. I moved it to another computer, plugged it in, installed
the drivers, and it worked find there too. No surprises.

When I moved it back to the first computer, I must have plugged it
into the other USB port than the one to which it was connected when I
installed it, and the "found new hardware" dialog box popped up asking
me if I wanted to install the drivers. So I let it (since they were
already on the hard drive I didn't have to put in the CD), and it
worked fine on that port. Now I could plug it into either of the two
USB ports on that computer and it would just start right up.

I expected that once the driver was installed, it would work for
either USB port, but apparently the installation is port-specific.
That was a bit of a surprise to me, but the plot thickens.

I needed to use my USB scanner, so I plugged that into one of the two
USB ports which were now US-122-enabled. No "found new hardware"
pop-ups, the scanner worked fine. Next time I re-connected the US-122
to the port where the scanner had been, it wanted to have the driver
re-installed again. A minor annoyance.

A couple of days later, I plugged my Jukebox 3 into one of those USB
ports that I had been using with the US-122 and, for the first time
since I had installed the Jukebox drivers, I got the "found new
hardware" pop-up, and, like with the US-122, it wanted to (and did)
re-install the driver. I'll bet that if I plug the US-122 into the
port where I had the Jukebox connected, it'll want to once again
install its drivers.

So my question is - is this typical of USB audio devices? Some USB
devices? Most USB devices? Firewire devices? (I don't have any, nor a
port, to play with) The only USB devices I have are the Jukebox,
US-122, scanner, and a CD-R drive that no longer works, so the range
of my experimentation is limited. I was wondering if anyone knows the
principle behind this "plug-and-play-once-I-configure-the-port-for-you"
behavior.



--
I'm really Mike Rivers - )

Mike Rivers wrote:

I got a TASCAM US-122 (2-channel USB audio interface box), plugged it
in to a USB port, and installed the drivers per instructions. It
worked fine. I moved it to another computer, plugged it in, installed
the drivers, and it worked find there too. No surprises.

When I moved it back to the first computer, I must have plugged it
into the other USB port than the one to which it was connected when I
installed it, and the "found new hardware" dialog box popped up asking
me if I wanted to install the drivers. So I let it (since they were
already on the hard drive I didn't have to put in the CD), and it
worked fine on that port. Now I could plug it into either of the two
USB ports on that computer and it would just start right up.

I expected that once the driver was installed, it would work for
either USB port, but apparently the installation is port-specific.
That was a bit of a surprise to me, but the plot thickens.

I needed to use my USB scanner, so I plugged that into one of the two
USB ports which were now US-122-enabled. No "found new hardware"
pop-ups, the scanner worked fine. Next time I re-connected the US-122
to the port where the scanner had been, it wanted to have the driver
re-installed again. A minor annoyance.

A couple of days later, I plugged my Jukebox 3 into one of those USB
ports that I had been using with the US-122 and, for the first time
since I had installed the Jukebox drivers, I got the "found new
hardware" pop-up, and, like with the US-122, it wanted to (and did)
re-install the driver. I'll bet that if I plug the US-122 into the
port where I had the Jukebox connected, it'll want to once again
install its drivers.

So my question is - is this typical of USB audio devices?

Apparently, although I've seen things that make me think it's not
just limited to audio.

Some USB
devices? Most USB devices? Firewire devices? (I don't have any, nor a
port, to play with) The only USB devices I have are the Jukebox,
US-122, scanner, and a CD-R drive that no longer works, so the range
of my experimentation is limited. I was wondering if anyone knows the
principle behind this "plug-and-play-once-I-configure-the-port-for-you"
behavior.

Either the ports are really "on a bus" together, or they terminate
at a controller. I bet the latter. In order to address the controller,
the OS has to switch things such that this instance of this driver for
the app points to the right spot. Think COM1 vs COM2, which are "equivalent"
devices with different interrupt lines and I/O addresses.

I don't think the process is very clean - when an aquantaince was trying
to hook his digital camera up to his laptop, we flat could not make it work
at all, after a miscue. I don't think he ever recovered that particular
driver on that computer.



--
I'm really Mike Rivers - )


--
Les Cargill

In article writes:

What USB controller you use? Mine is SiS
which seems to be little worse that Intel or Lucent or similar "Real" USB
controllers.

Mine says Intel 82801CA on the laptop and 82801AA on the desktop.

As they say: "Laptops are different."



--
I'm really Mike Rivers - )

"Mike Rivers" wrote in message
news:znr1062425240k@trad...

I got a TASCAM US-122 (2-channel USB audio interface box), plugged it
in to a USB port, and installed the drivers per instructions. It
worked fine. I moved it to another computer, plugged it in, installed


Sounds like a good question for !


geoff

"Jay Levitt" wrote in message
...
In article znr1062425240k@trad, says...
So my question is - is this typical of USB audio devices? Some USB
devices? Most USB devices? Firewire devices?

This seems typical of many USB devices much of the time, audio or not.
I have not figured out when it happens and when it doesn't. However, if
your drivers are WHQL-signed - or, perhaps, if you go to Control Panel-
System-Hardware-Driver Signing and select "Ignore" - I think it will
just automatically install any drivers it needs, and never ask you to
search for them.


My USB printer seems to 'come and go' depsite never being unplugged ! It
does has an 'auto-off' (and reputed auto-on' function, which works about
80% of the time.

Clearly USB has some issues,- whether driver, OS, or hardware based, who
knows ? Not me, but glad tohear from somebody who really does....

geoff

"Geoff Wood" -nospam wrote in message news:m6g5b.889
Clearly USB has some issues,- whether driver, OS, or hardware based, who
knows ? Not me, but glad tohear from somebody who really does....

geoff



Oh yeah - my M-Audio transit does the driverf thing when used on the USB
port other than the one it was originally installed on.

g.