System Overview 1-7
Peripherals
The peripheral bay provides the interface for 3.5-inch and 5.25-inch media.
3.5-inch Diskette Drive
The 3.5-inch diskette drive in the peripheral bay supports 720 KB and 1.44 MB media.
The drive is accessible from the front of the system and is located behind the front
panel.
3.5-inch Hard Drive Bays
The peripheral bay contains two hot-swapping bays for two 3.5-inch-wide (1.0-inch
high or 1.6-inch high) wide/fast-20 SCSI III SCA-type hard drives. The hard drives are
accessible at the front of the system behind a secure front panel and connect to a wide
LVDS hot-swap SCSI backplane.
As part of the hot-swap implementation, a drive carrier with an integral heatsink is
required. The drives are mounted in the carrier with four fasteners and the carrier snaps
into the chassis with a locking handle. A single metal EMI shield and plastic door
cover the drive bays. A hot-swapping bay is provided for drives that are 3.5 inches
wide and 1.0 or 1.6 inches high. Drives can consume up to 24 watts of power and must
be specified to run at a maximum ambient temperature of 40
°
C (104
°
F).
5.25-inch Removable Media Device Bay
The peripheral bay has one 5.25-inch half-height bay that is accessible from the front of
the system. This bay includes a CD-ROM drive used for software installation.
Note:
The use of the 5.25-inch removable media device bay for
the installation of a hard disk drive is not recommended. Hard disk
drives generate EMI (increasing ESD susceptibility), and this bay
does not provide adequate cooling for a hard disk drive.
Содержание Express5800/180Rb-7
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