Appendix D Cd-Rom Reader Specifications And Jumper Settings; Cd-Rom Reader Specifications - NEC POWERMATE PROFESSIONAL - SERVICE MANUAL 05-1997 Service Manual

Appendix D

CD-ROM Reader Specifications

and Jumper Settings
This appendix provides specifications and jumper settings for the sixteen-speed (maximum)
NEC IDE CD-ROM reader used in the PowerMate Professional Series configurations.
The CD-ROM reader comes preinstalled in the top 5 1/4-inch accessible device slot. The
reader is connected to the secondary PCI/IDE connector on the system board via an I/O
cable. An audio cable connects the reader to the sound system. The reader is assigned as
drive F.
See Section 2 for information on the CD-ROM reader's controls and indicators. NECCSD
part numbers are provided in Section 5.
CD-ROM READER SPECIFICATIONS
Table D-1 lists the specifications for the sixteen-speed NEC CD-ROM reader.
The drive unit can operate in 16X-MPSS (Maximum Performance Spinning System) speed
mode for data tracks with a sustained mode 1 data transfer rate of 2400 Kbs per second
(outside track). For data tracks, the drive can operate in sixteen-times (16X) speed for
outside tracks and twelves-times (12X) for inside tracks. CD-audio tracks can only be
played through the audio channel in normal speed (X1). The default setting is 16X-MPSS
speed.
Table D-1 Specifications for Sixteen-Speed NEC CD-ROM Reader
Feature
Performance
Data Transfer Rate
Burst Transfer Rate
Average Full Stroke Seek
Average 1/3 Full Stroke Seek
Random Stroke
Data Buffer
Specification
Mode 1: 1800 - 2400 KB/sec (16X-MPSS speed)
Normal mode (X1): 150 KB /sec
Mode 2: 2053.2 - 2737.6 KB/sec (16X-MPSS speed)
Normal mode (X1): 171.1 KB /sec
PIO Mode 4 support
DMA (single word) Mode 2 support
(multi word) Mode 2 support
160 ms (16X-MPSS mode)
100 ms (16X-MPSS mode)
100 ms (16X-MPSS mode)
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