FAT copies are not identical ?

[trs80]

I reformat my harddisk and use Partition Magic 8 to create the following partitions:

 

Primary 1 - 1G, FAT (for boot manager or NT boot loader)

Primary 2 - 15G, MacOS

Extended partition

Logical 1 - 15G, FAT32 (for Win OS, to be installed)

Logical 2 - 64G, FAT32 (Data 1)

Logical 3 - 64G, NTFS (Data 2)

 

Then I put Win98 (DOS only) on Primary 1

BootitNG (Boot manager) on Primary 1

Install MacOS on Primary 2

 

Run MacOS, view all partitions, then get back to Partition Magic to check the partition.

PM8 report "FAT copies are not identical" on all FAT32 partitions

Then I reformat all FAT32 partitions, use PM to check it, and no problem

Run MacOS again, then PM, have the above error again.

 

Does it mean MacOS update the FAT32 partition but not both FAT copies on it?

And I see a file named .trash (or similar) seems to be added by MacOS

 

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my system

Intel D945GNTLKR, Celeron D 331, 1G RAM, Seagate 160G SATA, everything seems work except sound output from line-in ("normal?") and sound input not tested