Prism 2/2.5/3 Driver
Linux driver for 802.11a/b/g NIC cards - Cardbus, PCI, or miniPCI - using Prism chipsets.
The following adapters sold by IBM use Prism chipsets:
- IBM High Rate Wireless LAN Mini-PCI Adapter with Modem
- IBM High Rate Wireless LAN Mini-PCI Adapter with Modem II
- IBM High Rate Wireless LAN Mini-PCI Adapter III
- IBM High Rate Wireless LAN PC Card
Project Homepage / Availability
The orinoco driver is part of any recent Linux kernel
Some people have experienced stability issues transfering large files, the alternative hostap driver handles such problems a little bit better, but still suffers from it.
Some people have suggested that upgrading the firmware will solve the problem.
Have a look here for firmware flash tools and firmware files.