Maxtor OneTouch User Manual page 58

2. Go to the View menu and select Details.
You should now be able to see the Total Size (or capacity) of
each drive. Write down the Total Size number for each drive on
your system and keep the information in s a safe place.
4
Figure 1. Drive information: Windows
3. Add up the Total Size numbers for each drive.
This is how much total space is needed to backup your complete
system if it were full.
4. Use this number as a guide to figure out how much space you
will need on your backup drive to store your complete system.
Macintosh System Information
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1. Starting from the desktop, you should be able to see each
drive's icon.
You will view information on each drive individually and then
add them up.
2. Select a drive's icon.
3. In OS X: Go to the File menu and select Get Info (OS X 10.2) or
Show Info (OS X 10.1).
In OS 9: Go to the File menu and select Get Info,
then Information.
4. The Info window will open.
In this window you will be able to see the Capacity of the
drive, as well as the amount of space Used on the drive. Make
note of the Capacity number and close the window.
5. Repeat steps 1 - 4 for each drive on your Macintosh.
6. Add up the Capacity numbers for all of your drives.
This is how much total space is needed to backup your complete
system if it were full.