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[Solved] Can't format hard drive in Disk Utility

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I had the same problem here. I have a Gigaby GA-X58A-UD3R Rev 2.0 BIOS FA and on the South Bridge SATA, no way to erase the SSD disk. On the GIGABYTE SATA2 chip connector, no way too. The only way was using the Marvell 9128 chip SATA connectors. I'm installing, or trying, High Sierra now and looks like the SDD installation on that Marvell port is very slow...
 
Yup same issue. Still not resolved? Can't install osx if I can't first format the drive!
 

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Yup same issue. Still not resolved? Can't install osx if I can't first format the drive!
You have a Windows machine? Connect the SSD with a USB adapter
Open a command prompt and type
diskpart
list disk \\(find your drive ID, say it is listed as disk2)
select disk 2
**disk 2 selected**
clean all \\(app starts writing zeros to all bits)

when the cleaning process is complete type
convert GPT
exit
exit

Take the SSD to your build and connect it, boot with Chimera/Chameleon and run the installation app dvd. From the installation app select disk utility and format the drive.
 
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