Sony PCG-748 - Manual (Page 46)

Using the Weight Saver
The weight saver protects the drive bay when it is empty.
To attach the Weight Saver
1 If another device is in the drive bay, remove the device. See “To
remove the floppy disk drive” on page 25, “To remove the CD-ROM
drive” on page 28, or “To remove the second battery pack” on
page 36.
2 Slide the weight saver in the direction of the arrow until it clicks.
Using Your Notebook Computer
Weight saver (supplied)
To remove the Weight Saver
There is an Eject lever on the bottom of the weight saver. To remove the
weight saver, slide this lever in the direction of the arrow.
Weight saver Eject lever on bottom