HP Vectra VL800, Техническое справочное руководство

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5 Mass Storage Devices
Optical Drives
Optical Drives
IDE 48X CD-ROM Drive
Some models
1
have a 48X IDE CD-ROM drive supplied in a 5.25-inch
front-access shelf, supporting ATAPI commands. It can read any CD-ROM
(data) disc. It also has audio playback capability and can play and standard
audio CDs. It conforms to optical and mechanical standards as specified in
the Red, Yellow, Orange and Green Books.
Some of the 48X IDE CD-ROM features include:
• Application Disk type (confirmed by Red, Yellow, Green, Orange Book)
• CD-ROM data disk (Mode 1 and Mode 2)
• Photo-CD Multisession
• CD Audio disc
• Mixed mode CD-ROM disc (data and audio)
• CD-ROM XA, CD-I, CD-Extra, CD-R, CD-RW
1. Refer to the Service Handbook chapter (available at
www.hp.com/go/
vectrasupport
) to find out which models are installed with this optical drive.
Description
Data capacity 650 MB
Data transfer rate Sustained transfer rate (1X=150 KB/s); Outerside: 7,200 KB/s
Burst transfer rate:
PIO mode 4 - 16.6 Mbytes/s maximum
Single Word DMA Mode 2 - 8.3 Mbytes/s maximum
Multi Word DMA Mode 2 - 16.6 Mbytes/s maximum
Buffer memory size 128 Kbytes
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 5V, 1.2A
12V, 0.8A