Speed wise I find them on a par with the patched apple kext and with your generic kext, in banchmarks mxhcd is the fastest by a not-noticeable margin, but also more reliable than pxhcd. The only option I can see in the bios similar to that is ‘load xhci at preboot’ which is already enabled. Also all this worked with Mavericks see more details below. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies. This card does work on OS X

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The real benefit however is that these ports are Superspeed USB 3.

The only option I can see in the bios similar to that is ‘load xhci at preboot’ which is already enabled. PXHCD does silent reenumeration. Far better performance than USB2.

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expresscard 34 usb for macbook pro – Apple Community

Plugged it in, then plugged in the drives and they were all recognised, even those on a USB3 hub by Pluggable. I think I was getting confused between your usb3 and Meize’s realtek driver, which won’t build bit This is across both USB 2. Operating System Support With a bit of tinkering, we found that the card works in the following systems: There are other 34mm cards that fit in any Macbook Pro with an expresscard slot but sadly the software needed to make them work is not available.

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Also, please note that this is ongoing research for me – as you can see I’ve already looking into this myself but not had success- hence my asking this usually lovely community for advice. I find that I have to boot up with the drive already connected to reliably get USB 3. Sign in with Twitter.

The upper-layer driver believes it’s the same disk and uses previous caches That is not just a workaround, but the best way to handle a chip that can’t sleep. Greatly appreciate everyone experience in this matter.

USB 3.0 ExpressCard Mac Drivers

Sign in Already have an account? If it says “error getting variable”, continue with these steps: All replies Drop Down menu. The ma definitely work after sleep with mxhcd. Also all this worked with Mavericks see more details below.

The obvious question next is can we realistically expect this card to deliver? At the very least you get 2 extra USB ports on your laptop.

Gmyle 2 Port ExpressCard 34mm USB 3.0

I suspect its something to do with how the macbook initialises theexpresscards – modified PXHCD and oyen’s MXHCD kexts do resume after sleep, I find pxhcd prone to disconnects, and while they both mount drives under ‘superspeed’ in system information, they list the max speed as mbps instead of 5gbps like your driver or apple’s kext when patched.


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Gmyle 2 Port ExpressCard 34mm USB – Upgrade to USB

This is normally when the drive requires more power then the system bus can provide. If i try and sleep now i just get a black screen though and cant wake up.

So you won’t be able to simply make them work. And I’ve read that Express Card port is turned off.

Drawback is – it’s never really safe to do anything but a fully-broadcast reenumeration if xhci chip loses power. Posted March 24, Apr 28, 4: I have also attempted to rebuild the kext cache as bx628 here: This card becomes part of your laptop. Or sign in with one of these services.