Firmware Updates for Apple Airport Base/Time Capsules. Can't boot from Sierra 10.12.2 Fix
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Archive of December 19th - 23rd, 2016 News           Go to Current News Page

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802.11ac Time Capsule/AirPort Base Station Firmware Update 7.7.8
(Info from https://support.apple.com/kb/DL1901.)
"About AirPort Base Station Firmware Update 7.7.8 Information
Firmware update 7.7.8 is recommended for all AirPort Extreme and AirPort Time Capsule base stations with 802.11ac. This update addresses an issue that may prevent AirPort base stations from appearing in AirPort Utility when Back to My Mac is enabled.

For detailed information about the security content of this update, please visit: http://support.apple.com/kb/HT201222
(nothing related there as of Dec. 23rd)
For detailed information on AirPort base station firmware updates, including instructions how to install the update, please visit: http://support.apple.com/kb/HT1218"


802.11N AirPort Base Stations/Time Capsule Firmware Update 7.6.8
(Info from https://support.apple.com/kb/DL1904.)
"About AirPort Base Station Firmware Update 7.6.8
Firmware update 7.6.8 is recommended for all Apple 802.11n Wi-Fi base stations including AirPort Express, AirPort Extreme and AirPort Time Capsule. This update addresses an issue that may prevent users from accessing their AirPort base station using Back to My Mac.

For detailed information about the security content of this update, please visit: http://support.apple.com/kb/HT201222
(nothing related there as of Dec. 23rd)
For detailed information on AirPort base station firmware updates, including instructions how to install the update, please visit: http://support.apple.com/kb/HT1218.
For more information on using AirPort products, go to the Product Support Page at: http://www.apple.com/support/airport/ "

For feedback on these updates, check the Apple Airport forum. (There were older threads/posts in the past on this problem.)
  

Tip if You Can't Boot from External Drive after macOS Sierra 10.12.2 update
An Apple forum thread has reports that some users can no longer boot from external Pegasus2 RAID after 10.12.2 update (was not a problem w/10.12.1). The cause and workaround/fix is in the Dec. 8th revised Apple support article on How to set up and use an external Mac startup disk. Scroll down that page to the heading "If you can't select your startup disk or start up from it".

(Clip from the apple article as of Dec. 8th revision, with added emphasis)
If you can't select your startup disk or start up from it
Some third-party external devices use Option ROM firmware. To enhance system security, Mac computers with up-to-date software don't automatically load Option ROM firmware. As a result, your Mac doesn't see devices that have Option ROM firmware until you load the firmware by pressing Option-Shift-Command-Period at the Startup Manager window. Do this each time you want to start up from the device or from a startup disk connected to it.

If you're using an Early 2015 (or older) Mac model, you can disable this security feature and allow your Mac to load Option ROM firmware automatically. This removes an important protection against potential unauthorized access to your Mac by other people with physical access to it.

  1. Open the Terminal app, which is in the Utilities folder of your Applications folder.
  2. Type sudo nvram enable-legacy-orom-behavior=1, then press Return.
    To undo this command, enter sudo nvram -d enable-legacy-orom-behavior.

(Does "for Early 2015 (or older) Mac" mean newer models can't enable via terminal commands?)

Of the 3 users that posted they were affected by this - 2 said the above tips worked, 1 said it didn't.

I'm also curious if this affects function of some other external devices (docks, etc.) - not just drive enclosures. (i.e. What other external devices use Option ROM firmware.)

I don't know if the security updates for 10.11.6/10.10.5 also had this change, as it's not listed in the doc on security fixes but I've seen no posts about the problem from pre-10.12.2 users.
  

(Dec. 19th - 23rd) Apple Support/How-To/Troubleshooting Article Updates: (later first)

Page of How-To, Troubleshooting & Tips for Mac/OS X/iOS Users from Airplay to Thunderbolt.
  

Apple/products related News, Tips, Op-Ed, Updates, PR

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Recent Updates, Tips, DIY Upgrades and Repairs:
List of Updates, DIY Upgrades, Repair Articles, Tips and more you may have missed. (Topics range from OS/software updates and troubleshooting, to hardware upgrades and repairs.)
  

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Previous News Archive Summary:
    December 14th-15th, 2016 News Archive
  • D/L Nvidia CUDA 8.0.57 Update (supports 10.12.2/web driver 367.15.10.25f01)
  • D/L Nvidia Graphics Driver Update 346.03.15f05 for OS X 10.11.6 (build 15G1212)
  • D/L Nvidia Graphics Driver Update 346.02.03f11 for OS X 10.10.5 (build 14F2109)
  • D/L Nvidia Graphics Driver Update 367.15.10.25f01 for macOS Sierra 10.12.2

For links to older news pages, see the Archives.
  


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