8
Safety information
Disconnecting your computer. 
To disconnect your computer:
1
Turn off the computer and any attached component 
that may have its own power switch.
2
Unplug all power cables from electrical outlets.
3
Remove all signal cables (such as a telephone cord) 
from their receptacles.
4
Disconnect all cables attached to the computer; this 
includes power cords, input/output cables, and any 
other cables attached to the computer.
Regulatory safety notice for the CD-ROM and 
DVD-ROM drive 
This notice contains required safety information about 
the CD-ROM/DVD-ROM drive in your computer (if 
included with the model you purchased). The CD-ROM/
DVD-ROM drive is a Class 1 laser product, and Class 1 
laser products are not considered to be hazardous. The 
design of the laser system and CD-ROM/DVD-ROM 
drive ensures that during normal operation, there is no 
exposure to laser radiation above Class 1 level.
Please note that the CD-ROM/DVD-ROM drive does not 
contain any user adjustable or serviceable parts. Service 
on this drive should only be performed by a trained 
service provider.
Laser compliance statement. 
Some IBM Personal 
Computer models are equipped from the factory with a 
CD-ROM or DVD-ROM drive. CD-ROM/DVD-ROM 
drives are also sold separately as options. The CD-ROM/
DVD-ROM drive is a laser product. The CD-ROM/
DVD-ROM drive is certified in the U.S. to conform to the 
requirements of the Department of Health and Human 
Services 21 Code of Federal Regulations 
(DHHS 21 CFR) Subchapter J for Class 1 laser products. 
Caution!
Use of controls or 
adjustments or 
performance of 
procedures other than 
those specified herein 
might result in hazardous 
radiation exposure.
Danger!
Laser radiation when the 
CD-ROM/DVD-ROM 
cover is open. Avoid direct 
exposure to the beam. Do 
not stare into beam or 
view directly with optical 
instruments.
66xarg.book : 66xanot.fm  Page 8  Tuesday, June 30, 1998  10:18 AM