HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 140

Optical Drives, IDE 48X CD-ROM Drive, Description

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Hardware Components Mass Storage Devices Optical Drives IDE 48X CD-ROM Drive The x4000 Workstation may have a 48X IDE CD-ROM drive, which features: • ATAPI commands • Audio CD playback capability It can play any standard audio CD or CD-ROM conforming to optical and mechanical standards as specified in the Red, Yellow, Green, and Orange Book. • Application disk type • CD-ROM data disk (Mode 1 and Mode 2) • Photo-CD Multisession • Mixed-mode CD-ROM (data and audio) • CD-ROM XA, CD-I, CD-Extra, CD-R, CD-RW Data capacity Data transfer rate Buffer memory size Access time Rotational speed Interface Power requirements Description 650 MB Sustained transfer rate (1X=150 KB/sec) Outerside: 7,200 KB/sec Burst transfer rate: PIO mode 4 - 16.6 MB/sec maximum Single Word DMA Mode 2 - 8.3 MB/sec maximum Multi Word DMA Mode 2 - 16.6 MB/sec maximum 128 KB Average stroke (1 / 3) 110 ms Full stroke 180 ms 2,048 bytes (Mode 1) 2,336 bytes (Mode 2) ATAPI 5 V, 1.2 A 12 V, 0.8 A 140 Chapter 9

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Hardware Components
Mass Storage Devices
Chapter 9
140
Optical Drives
IDE 48X CD-ROM Drive
The x4000 Workstation may have a 48X IDE CD-ROM drive, which
features:
•
ATAPI commands
•
Audio CD playback capability
It can play any standard audio CD or CD-ROM conforming to optical
and mechanical standards as specified in the Red, Yellow, Green, and
Orange Book.
•
Application disk type
•
CD-ROM data disk (Mode 1 and Mode 2)
•
Photo-CD Multisession
•
Mixed-mode CD-ROM (data and audio)
•
CD-ROM XA, CD-I, CD-Extra, CD-R, CD-RW
Description
Data capacity
650 MB
Data transfer rate
Sustained transfer rate (1X=150 KB/sec) Outerside:
7,200 KB/sec
Burst transfer rate:
PIO mode 4 - 16.6 MB/sec maximum
Single Word DMA Mode 2 - 8.3 MB/sec maximum
Multi Word DMA Mode 2 - 16.6 MB/sec maximum
Buffer memory size
128 KB
Access time
Average stroke (1 / 3) 110 ms
Full stroke 180 ms
Rotational speed
2,048 bytes (Mode 1)
2,336 bytes (Mode 2)
Interface
ATAPI
Power requirements
5 V, 1.2 A
12 V, 0.8 A