HP Cluster Platform Server and Workstation Overview

that is, two DIMMs per memory cell, loaded in the same location in each memory cell and using
the following upgrade rules:
• Begin with four identical DIMMs, loading them into the slots labeled Load Order 1st and
2nd.
• Add four identical DIMMs (identical to each other, but potentially different from the original
quad), loading them into the slots labeled Load Order 3rd and 4th.
• Finally, add four identical DIMMs (identical to each other, but potentially differing from
the existing two quads), loading them into the slots labeled Load Order 5th and 6th.
1.1.3 Supported Storage Configurations
The HP Integrity rx1620 server supports up to two hot-pluggable low-voltage differential (LVD)
3.5-inch SCSI drives. A node's requirement for local storage varies depending upon the role of
the node. The following drives are supported:
• 36 GB
• 73 GB
• 146 GB
Important:
Power subsystem design for racks containing nodes must be designed for nodes that have disk
configurations that draw maximum current.
The physical procedures used to insert and remove a disk drive are discussed in the document
that comes with the drive. However, the operating system must be prepared for insertion or
removal of a disk, or unexpected and harmful effects may occur.
Note:
There is a significant difference between the terms hot-pluggable and hot-swappable. The
hot-swappable process enables you to replace a component in a high-availability system while
it is running without using operating system commands. The hot-pluggable process enables you
to replace a component in a high-availability system while it is running, but a manual software
procedure is necessary to complete the task. The disk drives in the HP ProLiant DL360 G4 are
hot-pluggable, not hot-swappable.
In addition to the two LAN ports and the MP port, the HP Integrity rx1620 also has two PCI-X
133 slots. Each slot is on a separate bus, but only one bus has sufficient throughput in its connection
memory to support the full PCI-X 133 bandwidth (approximately 1 GB per second). The other
three slots provide approximately 533 MB per second.
1.1.4 Cable Management
Each HP Integrity rx1620 that has a connection to the system interconnect requires one cable
bracket installed on the rear rack column. This component is documented in the HP Cluster
Platform Tab Mount Cable Management Installation Guide.
1.1.5 Installing or Removing a PCI Card
The HP Integrity rx1620 server can contain up to 2 PCI cards. PCI cards are located on the I/O
riser assembly. The PCI slots are numbered 1 and 2. Slot 1 (top) is a single, full size PCI slot that
runs at 133MHz. Slot 2 (bottom) is a single, half-size PCI slot that runs at 133MHz. Inserting a
PCI card into a slot that is not configured to accept it can cause operation failure or can cause
the PCI card to operate at less than optimum speed.
When installing or removing a PCI card, heed the warnings and cautions listed in Section
(page 23).
An overview of the PCI card installation procedure follows:
28 Itanium Processor Servers