User Service Guide, Fifth Edition - HP Integrity rx8640 SEU

SEU Description
Dimensions
The dimensions of the SEU are as follows:
• Width: 17.5 inches, constrained by electronic industries alliance (EIA) standard 19-inch racks.
• Depth: Defined by cable management constraints to fit into a standard 36-inch deep rack:
* 25.5 inches from front rack column to PCI connector surface.
* 26.7 inches from front rack column to core I/O connector surface.
* 30 inches overall package dimension, including 2.7 inches protruding in front of the front
rack columns.
• Height: 9U (15.75 inches) constrained by package density.
System Chassis
Refer to Figure 1-5 “Left-Front View of SEU” during the following discussion.
The mass storage section located in the front enables access to removable mass storage devices
without removal of the bezel (not shown.) The mass storage bay accommodates two 5.25-inch
removable media devices and up to four 3.5-inch hard drives. The front panel display board,
containing LEDs and the system power switch, is located directly above the hard drive media
bays.
Below the mass storage section and behind a removable bezel are two PCI DC-to-DC power
supplies. Each power supply powers only one I/O partition.
The bulk power supply (BPS) section is partitioned by a sealed metallic enclosure located in the
bottom of the package. This enclosure houses the two fully redundant BPSs.
Figure 1-5 Left-Front View of SEU
Detailed SEU Description 25