Yesterday's news had a note/link on Apple's Time Machine and AirPort Updates v1.0 - as with some previous Airport Extreme updates, a reader said this update included a new firmware file for his 802.11n broadcom chip based adapter. (As mentioned on the original Mac 802.11N info/adapters page here the OEM Mac Pro (mini-PCIe) card (and some intel-based iMacs) used a broadcom chip, the notebooks typically used Atheros AR5008 based cards - at least in the past. Not looked at the pkg to see if there's updates to them also. I didn't check the version of the Airport card firmware on this AL iMac before applying the update, but afterwards ASP shows the same thing he say "Broadcom BCM43xx 1.0 (4.170.46.5)". (If the update is a file (loaded during boot) as before, booting from a volume not updated would show the previous version number.) Another reader said he's seen some performance improvements...

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