4 Mass Storage Devices

CD-ROM Drives

IDE 48X CD-ROM Drive Some models1 have a 48X IDE CD-ROM drive supplied in a 5.25-inch front-access shelf ATAPI, supporting ATAPI commands and with audio playback capability. It can play any standard CD-Audio disks, in addition to CD-ROM disks, conforming to optical and mechanical standards as specified in the Red, Yellow, Green and Orange Book.

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 disk

•Mixed mode CD-ROM disk (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/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

 

 

1.Refer to the HP Kayak PC Workstations Service Handbook to find out which models are installed with the 48X IDE CD-ROM.

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