

This information is adapted from Mac OS Wireless Adapter Compatibility List by permission of the author, who gives a “nod to the Adapter List for doing the heavy lifting. PCMCIA/PC Card WiFi adapters compatible with Mac notebooks are covered in WiFi PC Cards for PowerBooks Running Mac OS 9.

Your best option would probably be using the ethernet over powerline technology. It was crummy due to the metal case of the PM to start with. If your PC has bad reception up there chances with the G5 airport card are even less. A few of these devices are compatible with Mac OS 8.6 all of them are reported to work with Mac OS 9, and most also have drivers available for some versions of Mac OS X. M9457 Powermac G5 2.5GHz DP 1GB 250GB Super Drive - Pre Owned M9457 325.00 : M9749 Powermac G5 2.7GHz DP 2GB 250GB Super Drive - Pre Owned M9749 459.00 359.00 : M9592 PowerMac G5 Quad Core 2.5GHz 4GB 250GB SuperDrive-PreOwned M9592 599.00 : M9590LL/A Apple Power Macintosh G5 Dual Core (2.0GHz) PCIe-Late 2005 M9590LL/A 225. The Power Mac G5, with a suggested retail price of 1,999 (US), includes: Dual 1.8 GHz 64-bit PowerPC G5 256MB 400 MHz 128-bit DDR SDRAM (4GB maximum) 80GB Serial ATA 7200 rpm hard drive AGP 8X Pro graphics slot NVIDIA GeForceFX 5200 Ultra with 64MB DDR SDRAM 3 PCI slots (64-bit, 33 MHz) and. Wireless was an option with the G5 as it is now with the Mac Pro. This page covers USB, ethernet, PCI, and other WiFi hardware that is compatible with the Classic Mac OS. These WiFi adapters may well cost less than an AirPort Card, which tends to sell in the US$50-100 range nowadays. Older Macs may not have a slot for Apple’s AirPort Card, and even if yours does, you may want higher throughput than 802.11b WiFi offers – 802.11g will give you nearly five times as much bandwidth.
