Acomdata EXTERNAL E5 HARD DRIVE USB 2.0 User Manual page 18

IMPORtANt NOteS:
If using a USB 1.1 connection the device will operate at USB 1.1 speeds
(up to 12 Mbps).
Mac OS 10.2 users whose Drives are 128 GB or larger:
Mac OS 10.2 does not recognize FAt32/MS-DOS formatted volumes larger than
128 GB. (For more information on this issue, go to: http://docs.info.apple.com/article.
html?artnum=107483 on the Apple web site.)
If you are using Mac OS 10.2 and your Drive is larger than 128 GB there are several ways
to deal with this issue:
1. If you don't need Windows compatibility, you can re-format the Drive using one of the
Mac OS Extended file systems;
2. If you want to maintain Windows compatibility, you can partition the Drive such that no
partition is larger than 128 GB. Partitioning a hard disk will erase any data stored on the
disk. Go to http://docs.info.apple.com/article.html?artnum=107483 for instructions;
3. Before you connect the Drive to your computer, upgrade to Mac OS 10.3 or later. This
option will allow you to maintain Windows compatibility and no partitioning or re-
formatting is required.
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