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Report: 2007 Mac Pro (2,1) running OS X 10.9 (w/Radeon 7970)
Davor sent notes on his 2007 Mac Pro running OS X 10.9 with a Radeon 7970 card, using Tiamo's Boot EFI patch (avoids need to use Chameleon workaround). Includes notes on aux power cable mod for the (PC) Sapphire Radeon HD 7970 Dual-X OC Edition as it has an 8-pin connector. (Mac Pros have two 6-pin.)
Posts on OS X 10.9 OCSP Service using up Bandwidth
(from a reader mail)

"OS X 10.9 Mavericks bug generates a lot of Internet traffic
Have you got to know already that Mavericks's "ocspd" process generates huge amounts of Internet traffic?
This process on my private MacBook Pro consumed up to 4 GB of traffic per day (!!!). The 6 Macs we use in our company downloaded between 189MB and 3,5GB per computer and per day. For my private MacBookPro alone this means up to 120 GB of traffic just caused by this bug. Here in Europe there are a lot of data plan limited ISP contracts and if you only have 10GB of traffic, you are done after 3 days without having used your Internet. Before I used Mavericks, my private download traffic was typically only around 20 GB per month.

There seems to be a workaround to stop this unintentional traffic of your computer by de-activating some options in the keychain. It seems to work at least for me and all the macs in my company. You can see this by using the net monitor function of Little Snitch.
(OS X Activity Monitor can also show Network traffic stats (in/out) by Process.-Mike)

Here you can find the referring thread in Apple's support forum:
OCSP Service using up quite a bit of bandwidth (page 1, now 6 pages long)
(Update: 2 later posts on page 7 say OS X 10.9.1 may have fixed this.)

It seems Apple is working on the problem. I wonder why no web site has reported about this bug already. Wouldn't it be good to warn at least those users with a limited data plan?
Best regards, Stephan K."

Thanks Stephan. I have a mini w/10.9 installed on it, but rarely used (maybe 2hrs in the last month) and not checked for this but posting as a FYI. (Work iMac is running 10.6.8.)

Apple/products related News/Tips/Rumors/Op-Ed/PR:

Updated Apple Support/How-To/Troubleshooting Articles:
(Not all mirrors may be updated. If you get an older doc or 404, try again later.)

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Previous News Archive Summary:
    Friday December 6th, 2013 News
  • Tip for OS X 10.9 Installer Failures (Drives not found in Mac Pro)
  • Facebook Erects Supercomputers with Stacks of Mac Minis
  • Parallels Desktop 9 for Mac build 9.0.24172 (summary)
  • 1Password 4.1 for Mac: The Little Big Update
  • Solstice Arena (iOS game) Review (sponsor blog)
  • TextWrangler 4.5.4 Release Notes
  • BBEdit 10.5.6 Release Notes
  • Updated Apple Support/How-To/Troubleshooting Articles:
    - About OS X Power Nap
    - Using multiple displays in OS X Mavericks
    - Configuring OS X Server WebDAV sharing for Active Directory accounts
    - Keynote and Numbers Supported file formats
    - Using a 3rd-party remote control with Apple TV
    - About iOS 7 Always option for VPN On Demand
    - Using iTunes to restore your iOS device to default settings

For links to older news pages, see the Archives.

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