Member Avatar for Lynn2301

Hi everyone

I've been reading the threads on getting an airport card for an old Mac with great interest, as I want to get the right card for my iMac G3, and it seems that it's all too easy to get the wrong card. I have a blue G3 (700MHz PowerPC G3) running Mac OS X Version 10.2. There is a slot for an Airport card but the manual doesn't specify the card.

Can anyone advise me?

Thanks in anticipation

Lynn

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Practical summary and next steps

As has already identified the correct vintage Apple wireless solution for this machine, the following adds practical checks, safe inspection tips, software notes for Mac OS X 10.2, and realistic alternatives when the OEM parts are hard to obtain.

How to confirm what’s inside
Start in software: open About This Mac > More Info and run System Profiler; look under Network or PCI for any wireless device entry. If nothing appears, perform a careful hardware check: power down and unplug the iMac, ground yourself, lay the machine on a soft towel and remove the rear access plate. Look for a small removable rectangular card in the slot or for a short adapter/cable terminating the slot. Photograph any printed markings and the connector before touching anything, and keep screws and small parts organized.

Driver and connectivity notes
Mac OS X 10.2 includes support for Apple’s removable slot-style wireless hardware; a recognized card usually creates a wireless/menu-bar control and a Network entry. If a present card is not recognized, install the latest 10.2 updates and re-check System Profiler for device details. Be aware that many modern USB Wi‑Fi dongles lack drivers for Jaguar-era systems, so they are an unreliable fallback.

Practical alternatives and buying tips
If the card or internal adapter is missing or too costly, the most pragmatic options are wired Ethernet or an Ethernet-to-Wi‑Fi bridge (travel router in client mode). These present a standard wired interface to the iMac and require no legacy drivers. When buying a used card, request close-up photos of contacts and any markings, confirm fit for an early iMac removable-slot card, and prefer sellers who will test the part in a compatible machine. Thanks to for the identification and to for the clear machine details.

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Member Avatar for Lynn2301

As no-one has replied to my thread, can I make another appeal. If anyone has a G3 with an airport card which answers this description, would you mind opening the slot at the back and seeing if there is a parts number on the card. Thanks!

Lynn

Member Avatar for Demolition

Lynn,

I'm surpised that nobody has answered this, yet. It's a relatively easy one.

Your iMac G3 (officially called the "iMac (Summer 2001)" model) needs an original AirPort Card. It has a part number of M7600LL. There are several variants, such as M7600LL/B, M7600LL/E, etc., but they should all work in your iMac. Make sure that you do not buy an AirPort Extreme card. It only fits newer iMacs with LCDs.

You may also need an iMac AirPort Card Adapter, which connects the AirPort Card to the iMac's innards. It is Apple part number M8753G/A. iMacs that came from the factory without AirPort as a built-to-order option usually didn't have the Adapter already installed.

Now, for the bad news... Original (M7600) AirPort cards were discontinued a long time ago. The supply was scarce to begin with, so the demand is very high. As a result, the price of a used AirPort card now sometimes exceeds the price when it was new! There are vendors selling them online. A Google search for "Apple AirPort Card" will turn up several. Prices will range from $69 all the way up to a mindboggling $250. They are also relatively common on eBay. Usually, the bidding goes into the $65-70 range, but sometimes a desperate bidder will go past $100. The Adapters are usually in the $25-35 range.

Perhaps, your best bet is to try OWC, a well-known and respected Apple reseller. They currently have stock of the latest revision of the card (M7600LL/E) for $69.99. See this link. The cards are new and have a 1-year warranty. OWC does not list the Adapter on their site, but ask them if they have any.

Instructions for installing the card are on Apple's site. See .

Good luck.

Member Avatar for Lynn2301

Thanks for such a comprehensive reply - I'll reflect on it as the cost seems pretty daunting!

Lynn

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