Howto configure kpilot for usbserial and visor?

Hi,

I now have collections in kpilot (don't ask me how they got there) and 
chosen standard calendar and addressbook entries.

However, kpilot (5.3.0) does not talk to my treo 680, I guess I have 
some configuration wrong in kpilots setting dialog.

I tried /dev/ttyUSB0, /dev/ttyUSB1, usb:, /dev/pilot, but nothing works. 
I also variated the serial connection speed, but without success.

Everything I find in google is at least 3 years old, pointing to 
different tips howto configure udev rules, loading usbserial and visor 
modules and so on.

I really tried alot, but can't get it working. I could stick with 
msynctool and the opensync-plugins 0.22, but I can only sync with a side 
win for either kontact or treo, not with "... conflict n" to merge 
changes made on both sides and keep the newer entries.

Could anyone point me to a howto or tell me how to configure kpilot for 
Palm Treo 680 right?

Here's what my syslog says, and as I said msynctool works (kind of), so 
problem should be somewhere else:

==> /var/log/syslog <==
Sep  1 10:56:26 linux kernel: [733696.675185] usb 1-10.3: USB 
disconnect, address 31
Sep  1 10:56:26 linux kernel: [733696.675687] visor ttyUSB0: Handspring 
Visor / Palm OS converter now disconnected from ttyUSB0
Sep  1 10:56:26 linux kernel: [733696.675788] visor ttyUSB1: Handspring 
Visor / Palm OS converter now disconnected from ttyUSB1
Sep  1 10:56:26 linux kernel: [733696.675813] visor 1-10.3:1.0: device 
disconnected
Sep  1 10:56:26 linux kernel: [733697.137183] usb 1-10.3: new full speed 
USB device using ohci_hcd and address 32
Sep  1 10:56:26 linux kernel: [733697.251183] usb 1-10.3: New USB device 
found, idVendor=0830, idProduct=0061
Sep  1 10:56:26 linux kernel: [733697.251194] usb 1-10.3: New USB device 
strings: Mfr=1, Product=2, SerialNumber=5
Sep  1 10:56:26 linux kernel: [733697.251202] usb 1-10.3: Product: Palm 
Handheld
Sep  1 10:56:26 linux kernel: [733697.251208] usb 1-10.3: Manufacturer: 
Palm, Inc.
Sep  1 10:56:26 linux kernel: [733697.251213] usb 1-10.3: SerialNumber: 
PalmSN12345678
Sep  1 10:56:26 linux kernel: [733697.251375] usb 1-10.3: configuration 
#1 chosen from 1 choice
Sep  1 10:56:26 linux kernel: [733697.257194] visor 1-10.3:1.0: 
Handspring Visor / Palm OS converter detected
Sep  1 10:56:26 linux kernel: [733697.257348] usb 1-10.3: Handspring 
Visor / Palm OS converter now attached to ttyUSB0
Sep  1 10:56:26 linux kernel: [733697.257432] usb 1-10.3: Handspring 
Visor / Palm OS converter now attached to ttyUSB1

Do I need module ark3116 for the usb cable? Kernel running is 2.6.30.

Cheers
Frisco