HP rp7420 Installation Guide, Fifth Edition - HP 9000 rp7420 Server - Page 27

Right-Front View of HP 9000 rp7420 Server, to the Procurium PCI MP Core I/O card.

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Introduction Server Description Figure 1-11 Right-Front View of HP 9000 rp7420 Server PCI/PCI-X cards Front panel display board PCI Power modules Cell boards Bulk powers supplies The PCI-X card section, located toward the rear, is accessed by removing the top cover. The PCI OLR fan modules are located in front of the PCI-X cards. These six 9.2-cm fans are housed in plastic carriers. They are configured in two rows of three fans. The MP/SCSI MP Core I/O boards are positioned vertically at the rear of the chassis. The PCI-X card bulkhead connectors are located in the top rear portion of the chassis. Four OLR system fan modules, externally attached to the chassis, are 15-cm (6.5-inch) fans. Two fans are mounted on the front surface of the chassis and two are mounted on the rear surface. The two hot-pluggable N+1 redundant BPS provide a wide input voltage range. They are installed in the front of the chassis, directly under the front fans. A cable harness that connects from the rear of the BPSs to the system backplane provides DC power distribution. Access the system backplane is accomplished by removing the left side cover. The system backplane inserts by a guide/insertion mechanism using a single large jack screw assembly. SCSI ribbon-cable assemblies route from the mass storage area to the backside of the system backplane and to the Procurium PCI MP Core I/O card. Chapter 1 27

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Chapter 1
Introduction
Server Description
27
Figure 1-11
Right-Front View of HP 9000 rp7420 Server
The PCI-X card section, located toward the rear, is accessed by removing the top cover.
The PCI OLR fan modules are located in front of the PCI-X cards. These six 9.2-cm fans are housed in plastic
carriers. They are configured in two rows of three fans.
The MP/SCSI MP Core I/O boards are positioned vertically at the rear of the chassis.
The PCI-X card bulkhead connectors are located in the top rear portion of the chassis.
Four OLR system fan modules, externally attached to the chassis, are 15-cm (6.5-inch) fans. Two fans are
mounted on the front surface of the chassis and two are mounted on the rear surface.
The two hot-pluggable N+1 redundant BPS provide a wide input voltage range. They are installed in the front
of the chassis, directly under the front fans.
A cable harness that connects from the rear of the BPSs to the system backplane provides DC power
distribution.
Access the system backplane is accomplished by removing the left side cover. The system backplane inserts by
a guide/insertion mechanism using a single large jack screw assembly.
SCSI ribbon-cable assemblies route from the mass storage area to the backside of the system backplane and
to the Procurium PCI MP Core I/O card.
Bulk powers supplies
PCI Power
modules
PCI/PCI-X cards
Cell boards
Front panel
display board