Distinctive Functions of Your Computer
UltraBay FX
The UltraBay FX is located at the front right corner of your ThinkPad
390X computer.
UltraBay FX
The UltraBay FX allows you to use a variety of devices with your
computer. With the UltraBay FX, you can swap in new devices
(such as upgraded drives or a second battery) to get the most flexi-
bility from your computer. You can install the following drives or
devices in the UltraBay FX:
CD-ROM drive/diskette drive
DVD-ROM drive/diskette drive
Second battery pack
Second hard disk drive
Note: UltraBay FX device options can be purchased through your
IBM reseller or IBM marketing representative.
For information on replacing the UltraBay FX device, see “Replacing
the UltraBay FX Device” on page 59.
CD-ROM Drive
The ThinkPad 390X computer comes with a CD-ROM/diskette drive
bay device installed. The CD-ROM drive allows you to use compact
discs (CDs).
Getting Familiar with Your Computer 17
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