Auto-detected as Intel PRO/Wireless 3945ABG Network Connection. I think some other P1610's come with an Atheros WLAN mini-PCI card.
`ifconfig -a' will show the WLAN card's MAC address, but be sure to turn on the power to the WLAN and Bluetooth first! In my case, the WLAN card shows as `eth0 [eth1?]', the `wired Ethernet' being eth0.
Using the `Network Manager', I can get the WLAN to work if turn off WEP and the access control list. This is not very satisfactory, so the configuration adjustment continues...
Using the more traditional `ifup' process, which can be chosen when configuring the Network cards via the YaST tool, wireless works! The wireless device is eth1, and is attached to the PCI, thereby avoiding the `usb port number' hell which has be-devilled my attempts to use a wireless USB stick on the Muramasa. Using the command `ifup eth1' results in the warning `eth1 is controlled by ifplugd', but this seems to be okay, as the wireless works when I unplug the Ethernet cable and use the command `ifconfig eth1'.
When I updated the kernel to one of the `unofficial' SuSE kernels, the ipw3945 module was no longer available, since the wlan-kmp-default package is only released for kernel version 2.6.18. I compiled the ipw3945 kernel for myself. The source code is available from the Intel 3945ABG driver for Linux page. At the time of writing, the latest stable version of the driver is 1.2.0, and the provided package includes a `make install' script.