FireWire 800 Pro ExpressCard/34
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Driver (1)
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Manual (1)
FAQ (5)
IDArticle TitlePost Date
108 FireWire 800 ExpressCard/34 will not see a device on a MacBook Pro under Mac OS X Version 10.5+.Dec-21-11
574 My Camera and hard drive don't work together. Why not?Apr-03-23
628 Why doesn't my Sonnet ExpressCard/34 card work in the Echo ExpressCard/34 Thunderbolt Adapter? It's listed as compatible!Aug-11-17
634 Do FireWire ExpressCard/34 cards support bus-powered devices?Dec-21-11
778 I have a 17" MacBook Pro 6,1 and my ExpressCard does not work after upgrading to Mavericks.Dec-30-13
There is a bug in the Apple ExpressCard driver specific to 10.9 (and 10.9.1) that prevents ExpressCards from initializing in the MBP 6,1. We have reported it to Apple and expect Apple to fix it in a future release. In the meantime, we have a patcher for you.

Download the Qio System Installer here http://www.sonnettech.com/support/kb/kb.php?cat=402&expand=_a3&action=b496#b496

When you get to the installation type, click \u8220 Customize\u8221 , deselect everything but IOPCIFamily, and click \u8220 Install\u8221 . Restart and all should be well. When Apple updates the ExpressCard Driver, it will overwrite the old driver with the Sonnet patch, so there will never be a need to uninstall.