Compaq 270680-003 Compaq Reference Guide Deskpro 4000 and Deskpro 6000 Series - Page 80

 Certain applications or operating system software may disable the eject button to prevent accidental damage to the disc. If the eject button is disabled by the application software, it will not operate. Enhanced Business Audio CD-ROM drive models include an Enhanced Business Audio subsystem that provides sound capabilities in the Microsoft Windows operating environment. The audio system allows you to integrate voice messages and music directly into your computer files. Using the supplied microphone, you can record sounds as data on the hard drive. This sound data may be used in many ways; for example, you can enhance presentation data with voice and music. The audio system on Pentium II-based CD-ROM models includes Spatializer 3D technology. This technology manipulates the signal to sound as if there are two "phantom" rear speakers.  To take advantage of the Spatializer 3D technology, you will need to use amplified external speakers. Using Audio Compact Discs If you have loaded an audio compact disc and you want to advance the disk to either the first track or the next track, click Start, then select Programs, Accessories, Multimedia.  Some software compact discs take control of the hardware volume controls. If this occurs, adjust the sound before starting the software. 5-6 Using the LS-120 and CD-ROM Drives