You may be able to get it working with ndiswrapper as well.
If you have linux already installed on that laptop do:
lspci -v; that should give output that will help identify the device.
05:02.0 Network controller: Broadcom Corporation BCM4318 [AirForce One
54g] 802.11g Wireless LAN Controller (rev 02)
Subsystem: Hewlett-Packard Company: Unknown device 1355
Flags: bus master, fast devsel, latency 64, IRQ 10
Memory at c0204000 (32-bit, non-prefetchable) [size=8K]
That device is working quite happily on FC 4 using ndiswrapper from livna.org
There is a how to at