This I did and the installation proceeded in hitchless fashion.

Although my Mac Pro could use this drive for external storage, when I attempted to install Leopard on it, I was told that, as it was connected to an Intel Mac, I must use the GUID partition scheme. 8) From the previous step we need to note the identifier of the new volume (red outlined box). Continue using this guide to format the disk as an AFPS volume, however if a Mac OS Extended (journaled) volume is desired you may now stop. Select Macintosh HD in the sidebar of Disk Utility. In the early days of Leopard, I wanted to install OS X 10.5 on this drive so I could take the new OS for a spin without committing my Mac Pro’s internal drive to it. The SSD has now been formatted as a Mac OS Extended (journaled) volume named ‘MacOS’. From the utilities window, select Disk Utility and click Continue.

Select the formatted SSD from the Available Disks. Rename the disk Mac 19 Backup SSD (Chose your name) Click on the Erase button. For example, I had a FireWire drive that I used with my Power Mac G5. Select the disk format to MacOS Extended (Journaled). Be sure you’ve copied everything you want off that drive before you do this.Īnother note: You’ll go through this same process if you’re formatting a drive that was originally used with a PowerPC Mac for use when booting an Intel Mac. The default file system on Mac OS for SSDs is the APFS. Note: When you reformat that drive, you erase everything on it. For Mac OS The MAC OS Extension file system is introduced in the MAC OS 10.12 or earlier versions. Click Apply and the drive will be reformatted with the GUID partition scheme. In the sheet that appears, choose GUID Partition Table. From the pop-up menu labeled Current, choose the number of partitions you’d like on the drive (1 Partition is perfectly acceptable if you want to create just a single volume).

Recommended disk format for mac intel