ethernet and switches, was Re: [rescue] Mozilla Firefox

Eric Dittman dittman at
Fri Apr 30 13:27:39 CDT 2004

> Yes, last I checked, Apple only supports jumbo frames on the
> Broadcom-based gig-e cards they bundle with systems like the XServe.
> Looking in /System/Library/Extensions/IONetworkingFamily.kext, inside
> AppleBCM5701Ethernet.kext, inside Info.plist, /Root/IOKitPersonalities/PCI
> Matching/IONameMatch it seems the driver will support cards with the
> following PCI identifiers:
> pci106b,8
> pci106b,9
> pci14e4,16a6
> pci14e4,1648
> pci14e4,165d
> Of course, even if you get one of those Broadcom cards, the NetGear GS105
> won't support jumbo frames anyway, AFAIK.

I added a Broadcom-based GigE card to my G4 and updated the PCI IDs to match
the card.  The card and OS both support Jumbo frames (as does my switch).
Eric Dittman
dittman at

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