Power Supplies; Peripheral Bays - NEC 140He User Manual

Power Supplies

When the additional power supply units are installed and system operates with four power supply units, the server can
continue its operation without interruption even if one of these power supply units fails (in the redundant configuration).
If an additional power supply unit is installed while the system is operating with three power supply units, a log that
represents "power recovery" is recorded in the system event log. This indicates that the power supply is in redundant
configuration and maximum configuration.

Peripheral Bays

The system supports a variety of standard PC AT-compatible peripheral devices. The chassis includes the following
peripheral bays:
Media bay for installing the standard 3.5-inch floppy disk drive (supports 720 KB and 1.44 MB floppy disk
media) and the standard CD-ROM drive.
A 5.25-inch device bay for installing up to two half-height 5.25-inch peripheral devices or a full-height
5.25-inch peripheral device such as an optional tape drive.
The SCSI hard disk drive bay for installing up to five SCSI hard disk drives. If you install the additional hard
disk drive cage, you can install up to thirteen SCSI hard disk drives.
The SCSI disk drives can be easily installed or removed. The drive carrier allows you to access to disk drives
from the front of the system. If disk drives are provided with RAID configuration within the system, a disk
drive can be swapped with another without power interruption in the system (hot-swap).
NOTE: The SCSI hard disk drive bays contain a hot-swap back plane that requires an
80-pin single connector attachment (SCA) connector on the drives that you install.
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