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Discussion in 'Mac Accessories' started by toke lahti, Jul 13, 2019.
A mac recognizes 4TB disk with fw, but not with usb3.
My new mini does not have fw.
First thing to check would be the chipset used.
Anybody knows what it is?
To get any attention, I'd like to reming the claasic design of this hdd case!
The case HAS USB3, but the Mini can't "see" it?
What FORMAT is the drive currently in?
Can Disk Utility see the drive "on the bus"?
Even if it won't "mount up" in the finder?
In that case, I'd copy the contents of the drive to another drive.
Then... I'd open Disk Utility and ERASE the drive, using "Mac OS extended with journaling enabled, GUID partition format".
Then... I'd restore the data to it.
If the Mac still won't recognize the drive after trying that...
... I'd try a different enclosure.
Well, the drive works fine, I've already tested it with another enclosure.
And this Macally case works fine with fw, next test will be with esata.
With usb, it just invokes "Initialize..." window.
I was just wondering if there are any known issues with JMS539 chipset (Product ID: 0x0569) with recent macos versions?
Maybe the usb chip or port is just flaky and I'll have to use other ports with this case...
"With usb, it just invokes "Initialize..." window."
Have you tried going further?
That is... have you tried to use disk utility to erase a drive and see if that brings the USB connection "alive"?
"Maybe the usb chip or port is just flaky and I'll have to use other ports with this case"
That could very well be "the answer".
I think, I'll try to find some empty hdd to fiddle with this. But if the case is about firmware's ability to handle 8TB hdd's through usb, I can't test that. I don't have any spare 8TB's luying on the shelf...