Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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Why not able to format/partition SSD?

i bought an Sandisk SSD (UltraPlus-128GB) and replaced my faulty Hard Disk in my MAC-book Pro.

After install, The device is detected in "Disk Utility", but i am unable to format / Partition the disk.

Error :

Partition failed with the error:

"POSIX reports:The operation couldn't be completed. Cannot allocate memory."



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1 Answer

Chosen Solution

See if there are jumpers on the drive as it may need to be slowed down to be seen.

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Thanks for help...No jumper in this drive... Below is the FYR..


any other suggestion ?


Yes, it's getting hard finding SSD's that work with SATA I or SATA II interfaces. Many are only able to work with SATA III now (newest models)


The SanDisk Ultra Plus Solid State Drive is compatible with SATA Revision 3.0 (6Gb/s) interfaces and is backwards compatible with SATA Revision 2.0 (3Gb/s) and SATA Revision 1.0 (1.5GB/s) interfaces. I

Try replacing the hard drive cable. These cables have become my most common repair. I now keep two each of the 13" & 15" cables in stock. MacBook Pro 13" Unibody (Mid 2009-Mid 2010) Hard Drive Cable


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