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Apple Computing Products:
macOS - Operating System
Panther can't read an external SATA drive that was formatted HFS+ under snow Leopard
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<blockquote data-quote="dtravis7" data-source="post: 1287972" data-attributes="member: 8287"><p>Ok here you go. It's what I thought but with a twist.</p><p></p><p>Power Mac G3 Blue & White 350 Mhz. 2 internal hard drives, one with 10.4.11 Tiger and the other with 10.3.9 Panther.</p><p></p><p>I own two 1TB externals. The one I hooked up via Firewire 400 and it shows up both in 10.4 Tiger and 10.3 Panther. </p><p></p><p>Here is where the fun begins. The other 1TB is USB 2.0 only. Plugged that in. Showed right up in 10.4 Tiger but in 10.3, it came up and said I needed to format the drive which of course I would not do as it's my Lion Time Machine drive! 10.3.9 Panther using USB 2.0 will not read the format. It's all Apple Journalized BTW. BTW, this was the message, same as yours. "You have inserted a drive that OSX cannot read". Look familiar? <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>So it's panther and only when the drive is connected USB 2.0!!</p><p></p><p>Hope that helps a bit. my G4 400Mhz is over at a friends so I had to use the G3. The G4 would do the same thing. It's Panther and USB with large drives. Strange but that is the findings.</p><p></p><p>I had a feeling it was something strange like that. I have had issues like this with some other computers with older USB ports.</p></blockquote><p></p>
[QUOTE="dtravis7, post: 1287972, member: 8287"] Ok here you go. It's what I thought but with a twist. Power Mac G3 Blue & White 350 Mhz. 2 internal hard drives, one with 10.4.11 Tiger and the other with 10.3.9 Panther. I own two 1TB externals. The one I hooked up via Firewire 400 and it shows up both in 10.4 Tiger and 10.3 Panther. Here is where the fun begins. The other 1TB is USB 2.0 only. Plugged that in. Showed right up in 10.4 Tiger but in 10.3, it came up and said I needed to format the drive which of course I would not do as it's my Lion Time Machine drive! 10.3.9 Panther using USB 2.0 will not read the format. It's all Apple Journalized BTW. BTW, this was the message, same as yours. "You have inserted a drive that OSX cannot read". Look familiar? :D So it's panther and only when the drive is connected USB 2.0!! Hope that helps a bit. my G4 400Mhz is over at a friends so I had to use the G3. The G4 would do the same thing. It's Panther and USB with large drives. Strange but that is the findings. I had a feeling it was something strange like that. I have had issues like this with some other computers with older USB ports. [/QUOTE]
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Apple Computing Products:
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Panther can't read an external SATA drive that was formatted HFS+ under snow Leopard
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