![img](A-A-55001-400002im.jpg)
A-A-55001/4B
TABLE I. Characteristics.
AA55001/04-
Characteristics
CD-
Transfer rate
Access time
Interface
Supplied
audio
with
SCSI
interface
card
01
CD-ROM
Yes
300 kilobytes
Less than or
SCSI-2
Yes
Multimedia PC
(kb) per
equal to 325
Marketing Council
second
milliseconds
(MPC) level II
minimum
(ms)
compliant
(double-speed)
disk drive
02
CD-ROM MPC
Yes
300 kb per
Less than or
SCSI-2
No
level II compliant
second
equal to 325
(double- speed)
minimum
ms
disk drive
03
CD-ROM MPC
Yes
600 kb per
Less than or
SCSI-2
Yes
level II compliant
second
equal to 250
(quad-speed) disk
minimum
ms
drive
04
CD-ROM MPC
Yes
600 kb per
Less than or
SCSI-2
No
level II compliant
second
equal to 250
(quad-speed) disk
minimum
ms
drive
3.5 CD-ROM drives.
3.5.1 Form factor. The external form factor shall be 130 millimeters (mm) (5.25 inches) half height.
3.5.2 Front loadable. This CD-ROM disk drive unit contains four CD-ROM disk drives and must be front
loadable with four cartridges (i.e., caddies). A cartridge is not required if the unit has a loading tray that
does not require a cartridge.
3.5.3 Multiple sectors. This CD-ROM disk drive unit shall be able to read multiple sectors.
3.5.4 Compatibility. This CD-ROM disk drive shall be ISO 9660 compatible.
3.5.5 Buffer memory capacity. The buffer memory capacity shall be a minimum of 64 kb.
3.5.6 Mean time between failures (MTBF). The MTBF shall be 50,000 hours minimum.
3.5.7 Operation temperature. The operation temperature shall be +5 C to +40 C (±2 C).
3.5.8 Seek error. The seek error shall be 10x10-6 or less.
3.5.9 Relative humidity (Rh). The Rh operating range shall be 30 percent to 70 percent Rh (±2 percent).
2
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