SGI Rackable C2112-4G3 Guía de usuario Pagina 29

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Server Chassis Features
007-5759-001 5
Server Chassis Features
The following subsections provide a general outline of the main features of the SGI Rackable
C2112-4G3 server chassis.
System Power
The Rackable C2112-4G3 2U server chassis features uses two power supplies accessible at the
rear of the system. Specific configurations of the server offer a power redundancy feature which
allows you to replace a failed power supply without shutting down the system. No tools are
required to remove and replace a power supply. Note that each power supply is rated at 80 Plus
Gold certification.
Serial ATA Drive Subsystems
The server chassis optionally supports up to twelve 3 Gb/s Serial ATA drives (three for each
serverboard). The SATA drives are all non-RAID (Jbod) units and are connected to a backplane
that provides power and control. Note that these drives do not support the hot-swap capability of
RAID drives.
Front Control Panels
There are four separate front control panels (one for each of the serverboards). Each C2112-4G3
serverboard control panel provides you with system monitoring and control LEDs that indicate
system power, HDD activity, network activity, system overheat and power supply failure. A main
power button and a system reset button are also included.
Serverboard
The C2112-4G3 server chassis is an ATX form factor chassis designed to be used in a 2U
rackmount configuration. Each serverboard provides one low-profile PCIe expansion slot, one
COM port, a VGA port, two USB 2.0 ports and two Gigabit LAN ports. A dedicated RJ-45 IPMI
LAN port is also supported. Figure 1-2 on page 6 shows a general block diagram of an individual
C2112-4G3 processor board and I/O chipset. Low-profile PCIe cards must be less than 5.9 inches
(15 cm) in length.
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