On Thu, 16 Dec 2004, Daniel Herring wrote:

> Hi all,
> 
> I have an HP49G+ calculator (vendor=0x0121, product=0x03f0) which I am 
> trying to connect to using safe_serial.  I've tried unsuccessfully with 
> custom compiles of both 2.6.8 and 2.6.9 kernel releases (with and without 
> verbose USB).  Running slackware-current on an nForce2 chipset (OHCI).
> 
> Could anyone look at these logs and help me find what's wrong?
> As you can see, I keep ending up with "Driver=(none)", while I suspect it 
> should be something like "Driver=safe_serial".  In the end, I expected 
> /dev/ttyUSB0 or /dev/ttyUSB1 to show the calculator as a serial device, 
> but I keep getting "/dev/ttyUSB0: No such device".
> 
> I use a USB trackball, so the USB subsystem is at least partially working.

> > modprobe safe_serial vendor=0x0121 product=0x03f0

> > cat /proc/bus/usb/devices
> ...
> P:  Vendor=03f0 ProdID=0121 Rev= 1.00

You switched the Vendor and Product values.

Alan Stern



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