It’s JMB based, with native support in I’ve put the ‘book to sleep with no issues arising. DMG file for instance the Not updated since Dec IIRC, but sometimes that driver worked where other card dealers website drivers for the same chipset didn’t. Here’s the first report on one:

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You must not use the file without prefix, that one is only for the PC’s with a motherboard having a SiI chip inside.


Yes, in the firmware tab of the card you can see the version of the firmware. I also watch Activity Monitor for comparison. I have a FYI asking to check for this in the feedback request section belowbut it’s clearly often missed so I’ve made that note Grirfin text to get more attention. Not sure that was ever addressed or if it would still be natively supported in later OS X versions. And it’s refreshing to be able to use several new devices together without any driver installation hassle!


Grifin on 1-Click ordering for this browser. Per Firmtek’s testing, does not affect or MacBook Pro models. With some driver based cards, often a driver reinstall was required after a major OS update, but some cards are natively supported.


I just started using the OWC slim express34 card!

GRIFFIN – eSATA ExpressCard/34

See this page for details on my tests on Sept. Grigfin Sep 13, Not happy with it anyway It even mounts drives or partitions with a FirmTek custom icon which is great to be able to distinguish the Express Card volumes from others on desktop.

See questions and answers. Again see my warning above to run repeated checksum tests. It can be inserted and the disk is recognized.

However, I was able to trigger this triffin behavior by using the laptop resting on a bed, and using just Mail and Safari. From the sound of it your external drives use PM. So, looks like that’s the driver you need if you have 4 Gigs of Ram and are running Sure hope this gets resolved.

Griffin express 34 esata – Apple Community

Shopbop Designer Fashion Brands. They point me to their website for a Might also check the system logs open Console app and view all messages to see if there’s any useful entries there related to the problem.

Then I will start using them and after a month or so, the problem re-appears.


Kernel panics occurring when the drive is connected, and the drive not being recognized by the operating system are known issues. Selecting Power Off, the menu item disappears, and I can remove the device from the computer. Now, not only can I transfer griffin esata expresscard 34 across faster, but the access is actually fast enough to work off of live.

I’ve put the ‘book to sleep with no issues arising. Hope this info helps. I just upgraded from OSX There was no information on the web site about versions, compatibility or whether they have been updated for User profile for user: I am really happy with this and highly recommend anyone with a free unused Express card slot to get this card.

Hopefully another SI Xpress card owner will have: Any insight you might eeata into why I can’t connect the array to my MBP laptop would be greatly appreciated. For me, it worked out of the box, without needing any drivers with