D-2 Quad-Speed CD-ROM Reader Specifications and Jumper Settings
Table Appendix D -1 Specifications for NEC Quad-Speed CD-ROM Reader
Feature
Quad-Speed Specification
General Specifications
Capacity
656 MB (Mode 1),
748 MB (Mode 2)
Physical Format
Audio disc: red book
Data disc: yellow book (Mode 1 and Mode 2)
orange book (read-only)
Logical Format
Data disc: ISO 9660 file format
Weight
1.76 lb. (0.8 K grams)
Operating Temperature
5°C to 50°C
CD-ROM Reader Connectors and Jumper Settings
The back of the CD-ROM readers provides the following connectors and jumpers:
n
Audio output connector — connects the reader to the system’s sound system via
an audio cable.
n
Configuration jumpers — enables or disables the cable select feature, slave
device configuration, or master device configuration. The CD-ROM reader is set
as the master device on the secondary PCI/IDE channel.
n
IDE connector — connects the reader to the secondary PCI/IDE connector on the
system board via an I/O cable.
n
Power connector — connects the reader to the power supply via a power supply
cable.
There are two jumper blocks on the back of the CD-ROM reader. Jumpers on the block
next to the IDE connector configures the reader as a master (factory set) or slave. Jumpers
on the second block enables or disables the eject function of the reader and sets test modes
(factory use only). Descriptions of the jumpers are as follows:
n
CSEL (cable select) — enables/disables the cable select feature. Factory set at
disabled (pins not jumpered).
n
SL (slave) — enables/disables the slave feature. Factory set at disabled (pins not
jumpered)
n
MA (master) — enables/disables the master feature. Factory set at enabled (pins
jumpered)
n
T0 (test mode) — used at the factory for hard drive tests. Factory set at disabled
(pins not jumpered)
