NEC POWERMATE ENTERPRISE - 09-1997, Service Manual

Page: 11 / 33

Specifications 1-7
Table 1-6 Lite-on 24X CD-ROM Reader Specifications
Feature Specification
CD-ROM Reader Lite-on Technology 24X CD-ROM reader LTN-242
Features
Data Transfer Rate 20X max: 1,600 ~ 3,000KB/Sec (12X ~ 20X)
24X max: 1,600 ~ 3,600KB/Sec (12X ~ 20X)
Average Access Time
≤
110 ms typical
Disc Disc format:
ISO9660 Data Discs
CD-ROM (Mode 1 and Mode 2)
Mixed Mode (Audio Combined CD-ROM disc)
CD-ROM/XA (Mode 2, Form 1 & Form 2)
CD-I/FMV
Video CD
CD-DA
Photo-CD (Single & Multisession)
Karaoke CD
CD Extra
Disc Diameter: 8 cm and 12 cm
Interface ATAPI/E-IDE
Audio Specification Signal to Noise Ratio: 70 dB typical
Headphone Level:
≥
0.6 Vrms at 1 Khz, 33 Ohm Load
Front Panel Power On/Busy LED
Open/close/Stop Button
Play/skip Button
Volume Control
Stereo Headphone Jack
Emergency Eject Hole
Rear Panel IDE Interface
Analog & Digital Audio Outputs
Power Input
Mode Select Jumper
Power
Startup Current: 12V (peak): 1.5 amps; 5V (RMS): 0.6 amps
Seek Power (typical): 5.6 watts
Operating Power (typical): 4.2 watts
Idle Mode Power (typical): 3.8 watts
Standby Mode Power
(typ):
1.0 watts
Sleep Mode Power
(typical):
0.7 watts
Voltage Tolerance: +5V +/-5%; +12V +/-10%