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I actually just reseated the mSata a few times, now it shows up in disk utility but will not format. I get the "Input/output" error.
 
I say that it is the mSATA SSD, an I/O error is usually with the drive. Do you have any other computers to test the drive in??
 
I sure do, I'm hoping it's just an issue with the disk utility and I can format it on a secondary machine.
 
My understanding with mSATA and adapter cards was to avoid drives that were SATA III. I wonder if this might not be the case here. The sticker on that drive says SATA III…
 
Verify operation on another computer and then look into other options. SSDs with bad controllers often exhibit these symptoms and checking with another computer will rule out a bad drive. Then you need to look into the adapter and jumper settings if everything with the drive checks out.
 
I have the exact same adapter (branded Lycom) in a couple of my PowerBooks running without issue. It has a Marvel chip and seems better reviewed than the more common JMicron based adapters. The one to avoid is the JMicron 20320 controller as that one is reported to be flakey. The 20330 revision fixed the stability issues.

Either your adapter or the mSATA card is faulty. Incompatibility should not be an issue.
 
Just in case, did you try to format the SSD in a Firewire or USB enclosure?
I did try that and I think I got an I/O error too but the adapter+mSATA drive did work as expected once in the PowerBook.
 
Just in case, did you try to format the SSD in a Firewire or USB enclosure?
I did try that and I think I got an I/O error too but the adapter+mSATA drive did work as expected once in the PowerBook.
It turns out to be a faulty drive. I've tried to format in a few different ways; in an IDE adapter, in a Sata adapter, in a USB adapter and as a standalone drive with different software and various operating systems.
 
It turns out to be a faulty drive. I've tried to format in a few different ways; in an IDE adapter, in a Sata adapter, in a USB adapter and as a standalone drive with different software and various operating systems.
Are you gonna contact NewEgg for a replacement??
 
Are you gonna contact NewEgg for a replacement??
Exactly so, until then I'll just be using a 32gb mSata with adapter. I have a Toshiba Qosmio AV680 with two 256gb mSata drives but I'm unwilling to use one of them for my Powerbook.
 
Why you not buy one of current available PATA SSD's? i have a transcend 64GB version on my powerbook, and its working pretty fine.
 

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Why you not buy one of current available PATA SSD's? i have a transcend 64GB version on my powerbook, and its working pretty fine.

You can use an mSata in any computer you like, if you buy a pata SSD you will be limited to old computers only.
 
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