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External hard drives not recognized by MacBook Pro using SIIG eSATA II 2 Port ExpressCard-M

MacBook Pro will not recognize external hard drive using SIIG eSATA II 2 port ExpressCard-M that is expressly made for MacBook Pro. Driver is installed & recognized. I've tried this card with two seperate hard drives, both a MyBook 320GB & IOMEGA 500 formatted for Macs. The Apple store Geniuses checked out the problem & told me the problem was with the SIIG card. Also tried two different cables by two manufacturers. Both hard drives work fine with firewire or USB connections. Have also tried two different SIGG cards with no luck. A expansion card icon is present on the MacBook menu bar recognizing the card. Only a "Power Off" option is available.

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  • Tantra Feb 14, 2008

    I got the same eSata card and My Book 1T external drive. The drive was not visible with the eSata but worked fine with USB2.

    I'll be returning the card to the Apple Store that should have known better.

  • mikey4nacya Feb 27, 2008

    yo, having the same problem now. i had the drive up and formatted it
    using disk utility, but now for some reason it will only give me the
    power off option...killing me! anyone??? thanks me@mikeyfornicoia.com
    http://mikeyfornicoia.com

  • DybaMusic Mar 11, 2008

    Same problem. I've been running a WD MyBook on firewire for a few weeks now. I figured I would try out eSATA... got an expresscard, got the card working, but no recognition of the hard drive through it. I even switched over to Windows, which also recognized the card but not the drive.



    Ah, the glory of new technology...

  • Anonymous Sep 22, 2008

    i hear a pulsating sound every time i plug the external harddrive in. its a Western Digital one, newly purchased. Works every where else, except on this mac book pro. any idea why? its very unusual. its worked fine on quite a few comps. all mac's. will be a huge shame if dosent work on this comp. 

  • Anonymous Oct 15, 2008

    Yep. Same problem. I'm trying to get an Acomdata 320GB drive to mount.

  • Lars812 Feb 18, 2009

    My MacBook Pro will not recognize the SIIG eSata II card.  Someone on another site said this:  
    The trick is to use an eSata ExpressCard that uses the JMicron chipset (JMB360) instead of the Silicon Image one (Sil3132). Unfortunately these former cards are harder to find. Most of the eSata Express Cards on the market use the Silicon Image chipset. I believe Windows has built-in drivers for this latter chipset. That would explain why ExpressCards with the Silicon Image chipset would be more popular. From what I have read, OS X (10.5.5) would have built-in drivers for the JMicron chipset.



    http://www.beauchamp.me/techno/mac/booti...



    I don't know if this is true--- please help!

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Fixed- I purchased one of the following esata cards with the JMB360 chipset and it worked in my brand new Macbook pro 17" right out of the box.   My other eSata from SIIG, inc would not mount any drives or accept any drivers.    So the silicon based eSata's must have some type of hardware conflict with Macbooks.  (P.S.  I purchased the one from Best Connectivity for $20).   These cards all use the JMB360 Chipset:

  • ApioTek (1 port card) (EXTREME eSATAII Express Card)
  • Best Connectivity (1 esata)
  • GWC Technology (GWC BS1020) (2 ports)
  • nGear (Moved to the Sil3132 chipset list. See my more recent post about this)
  • PPA Int’l (2 ports)
  • VC (an original brand of Vintage Computer Inc.)
  • Syba (1 Port)
  • Sunix ECSA24J (Discontinued)


Posted on Feb 24, 2009

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I am having the same issue wd external drive on my mac book pro and also a seagate 
they both work intermediately on a firewire 

Posted on Sep 23, 2008

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Yo so i boght a new eSata card (see above post) and ended up just using disk utility to format my 4 750 GB WD barracudas into 2 groups. one was stripped and then raided the whole group of 4, so basically it is just mirrored, but it gave me a faster transfer rate. it works fine now, it just kicks off my drive sometimes if its idle for a day or two. i make sure to boot the external raid drives first and shut them off after the machine is off. its pretty tempermental at times, but its worth the uncomressed 1080i editing i do. rendering is so much faster now, so glad i got support on it from DatOptic whom i purchased the raid from....see the below review i gave of them.

I am an editor and have clients like Fox, Universal, The History Channel, Animal Planet, and others. I came to DATOptic looking to resolve my storage crisis; too much media, not enough space and no where near the speed I need. I purchased the DATOptic sBOX-P 5 drive eSATA RAID tower with 4 x 750GB WD drives at a killer price. But I didnt come to this decision lightly, I searched around...a lot. And you guys had the goods, the knowledge, the technology and the support I needed to get my 3TB drive up and running like whoa! And on top of that in the middle of setting up my RAID I decided to go to Leopard and you gave me the 'Oh, no problem' answer that I love. You guys have your **** together. I had a few hickups setting up my RAID, and Sam the man from DATOptic came to my rescue. I e-mailed, he called me, fixed the problem over the phone, then called later that week to make sure it was all good in the hood. Are you guys from the Midwest with that work mentality??? Cause you sure as hell don't see that type of support here in LA. Really, you guys are my go to guns now. I already sent another editor your way for his storage needs, too. Much appreciated!

Thanks for your help Sam!

Posted on Nov 17, 2008

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Hello :-)I had to cut some plastic off the housing of the cable's connector to make it go all the way into the express-card.  Having two Raid-striped 1TB drives on a noname Silicon Image based Express Card performing about 115 MB/sec transfer on a early-2008 MBP with Leo 10.5.5.
Greetings, Drix

Posted on Nov 17, 2008

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This is not quite a solution... but it is hope.

I never got my WD external drive to do anything with Mac OS X, but I did get it working in Windows Vista. The only thing was this: if I booted up my computer with the harddrive already running, the BIOS would get locked up. So, I simply had to wait until the computer was already booted up before turning on that eSATA hard drive. After that, the drive ran like a normal firewire/usb hard drive would.

In fact, it ran almost exactly like any of my other firewire/usb hard drives, which frustrated me. The whole point of me using this technology was for an abnormally fast transfer rate. Not happening... it runs no differently than anything else. So, after a while, I decided to scrap the whole eSATA thing and just run the WD drive off of firewire. It's apparent that the computers (even the best of the best Mac's) are not up-to-date with this technology.

Posted on Sep 23, 2008

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