IBM 390 Mode D'Emploi
Distinctive Functions of Your Computer
4. Push the tray into the computer until it fully closes.
Handling CDs
CDs are high-density media that must be handled with care and kept
clean to ensure that data remains readable. Keep in mind the fol-
lowing to maintain reliability:
clean to ensure that data remains readable. Keep in mind the fol-
lowing to maintain reliability:
Hold the CD by the edges. Do not touch the surface of the CD.
To remove dust or fingerprints, wipe the CD from the center to
the outside of the disc. Wiping the CD in a circular direction can
cause loss of data.
the outside of the disc. Wiping the CD in a circular direction can
cause loss of data.
Do not write on the surface.
Do not store or place the CD in direct sunlight
Do not use benzene, thinner, or other cleaners to clean the CD.
Use a CD-ROM cleaner kit.
Use a CD-ROM cleaner kit.
Do not flex or bend the CD.
ThinkPad Utility Programs
Your ThinkPad computer has the following utility programs for easy
configuration:
configuration:
BIOS Setup Utility
ThinkPad Configuration program
This section summarizes these utility programs.
Chapter 1. Getting Familiar with Your Computer
17