HP Workstation x2000 hp workstation x2000 - Technical Reference and Troublesho - Page 139

X Video IDE DVD-ROM Drive

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Hardware Components Mass Storage Devices 8X Video IDE DVD-ROM Drive Some models1 have a DVD-ROM drive, which can play any standard audio CDs and CD-ROMs, conforming to optical and mechanical standards as specified in the Red, Yellow, Orange, and Green Books. Data capacity Data transfer rate Buffer memory size Access time Rotational speed Interface Power requirements Description 650MB Sustained transfer rate (1X=150KB/sec); Outerside: 7,200KB/sec Burst transfer rate: PIO mode 4 - 16.6MB/sec maximum Single Word DMA Mode 2 - 8.3MB/sec maximum Multi Word DMA Mode 2 - 16.6MB/sec maximum 128KB Average stroke (1 / 3) 110ms Full stroke 180ms 2,048 bytes (Mode 1) 2,336 bytes (Mode 2) ATAPI 5V, 1.2A 12V, 0.8A 1. Refer to the HP x2000 Workstations Service Handbook to determine which models are installed with the DVD-ROM drive. Chapter 5 139

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Hardware Components
Mass Storage Devices
Chapter 5
139
8X Video IDE DVD-ROM Drive
Some models
1
have a DVD-ROM drive, which can play any standard
audio CDs and CD-ROMs, conforming to optical and mechanical
standards as speciļ¬ed in the Red, Yellow, Orange, and Green Books.
1.
Refer to the
HP x2000 Workstations Service Handbook
to
determine which models are installed with the DVD-ROM drive.
Description
Data capacity
650MB
Data transfer rate
Sustained transfer rate (1X=150KB/sec); Outerside:
7,200KB/sec
Burst transfer rate:
PIO mode 4 - 16.6MB/sec maximum
Single Word DMA Mode 2 - 8.3MB/sec maximum
Multi Word DMA Mode 2 - 16.6MB/sec maximum
Buffer memory size
128KB
Access time
Average stroke (1 / 3) 110ms
Full stroke 180ms
Rotational speed
2,048 bytes (Mode 1)
2,336 bytes (Mode 2)
Interface
ATAPI
Power requirements
5V, 1.2A
12V, 0.8A