3Interface Devices and Mass-Storage Drives Mass-Storage Drives

Features of the

Panasonic CD-ROM

(CD-585-B)

CD-ROM Drives

Most models have a 24✕ Max 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 discs, in addition to CD-ROM discs, conforming to optical and mechanical standards as specified in the Red and Yellow Book.

•Application Disc type (confirmed by Red, Yellow, Green, Orange Book).

•CD-ROM data disc (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.

 

Description

 

 

HP product number

D4383A

 

 

Disc Diameter

120 mm

 

 

Data Block Size

2,048 bytes (Mode-1)

 

2,336 bytes (Mode-2)

 

 

Storage Capacity

650 Mbytes (Mode-1)

 

742 Mbytes (Mode-2)

Read Mode

Full CAV1 10.3X to 24X

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.

 

 

Access Time

Average Stroke (1 / 3) 90 ms

 

Full Stroke 150 ms

 

 

Data Error Rate

Less than 10-12 (Mode-1)

 

Less than 10-9 (Mode-2)2

Spin Up Time

From standby mode. Typical 6s to drive ready mode

 

With tray loading. Typical 8.5s to drive ready mode.3

Buffer Memory Size

128 kbytes

 

 

1.CAV = Constant Angular Velocity

2.It is assumed that raw error rate of the disc is 10-3 in the worst case. This excludes “retries”.

3.Photo-CD (Multisession) is not applicable.

If a disk is still in the drive after power failure or drive failure, the disk can be reclaimed by inserting a stout wire, such as the end of a straightened paper-clip, into the small hole at the bottom of the door.

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