On the 164LX same card(1.6ZG) in 32 bit slot :
wi0 at pci0 dev 5 function 0: Global Sun Tech GL24110P PCI IEEE 802.11b 
(rev. 0x02)wi0: interrupting at eb164 irq 2
wi0: 802.11 address 00:09:5b:31:1b:bewi0: using RF:PRISM2.5 
MAC:ISL3873B(PCMCIA)
wi0: Intersil Firmware: Primary (1.0.7), Station (1.3.6)
wi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
is usable and gives (ifconfig wi0):

>wi0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>	nwid default
>	powersave off
>	bssid 00:05:5d:9a:58:c0 chan 6
>	address: 00:09:5b:31:1b:be
>	media: IEEE802.11 autoselect (DS2)
>	status: active
>	inet 192.168.1.189 netmask 0xffffff00 broadcast 192.168.1.255
>	inet6 fe80::209:5bff:fe31:1bbe%wi0 prefixlen 64 scopeid 0x1
>  
>
why?
ref: http://mail-index.netbsd.org/port-alpha/2003/12/21/0000.html