HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 141

X Video IDE DVD-ROM Drive, Description

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Hardware Components Mass Storage Devices 8X Video IDE DVD-ROM Drive The x4000 Workstation may have a DVD-ROM drive that features standard audio CD and CD-ROM playback. 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. The DVD-ROM drive is DVD video capable, when you install the DVD-video software (not included with the HP x4000 Workstation). 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 Chapter 9 141

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Hardware Components
Mass Storage Devices
Chapter 9
141
8X Video IDE DVD-ROM Drive
The x4000 Workstation may have a DVD-ROM drive that features
standard audio CD and CD-ROM playback. It can play any standard
audio CD or CD-ROM conforming to optical and mechanical standards as
speciļ¬ed in the Red, Yellow, Green, and Orange Book. The DVD-ROM
drive is DVD video capable, when you install the DVD-video software
(not included with the HP x4000 Workstation).
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