Sun Fire V445 Server Administration Guide - SCN Research

DIMM Configuration Rules
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You must physically remove a CPU/memory module from the system before you
can install or remove DIMMs.
You must add DIMMs in pairs.
Each group used must have two identical DIMMs installed – that is, both DIMMs
must be from the same manufacturer and must have the same density and
capacity (for example, two 512-Mbyte DIMMs or two 1-Gbyte DIMMs).
For maximum memory performance and to take full advantage of the Sun Fire
V445 server’s memory interleaving features, use identical DIMMs in all four slots
of a CPU/memory module.
For information about installing or removing DIMMs, see the Sun Fire V445 Server
Parts Installation and Removal Guide.
About the ALOM System Controller
Card
The Sun Advanced Lights Out Manager (ALOM) system controller card enables
access, monitoring, and control of the Sun Fire V445 server from a remote location. It
is a fully independent processor card with its own resident firmware, selfdiagnostics,
and OS.
In addition, the ALOM system controller card functions as the default console
connection to the system, through its serial management port. For more information
about using the ALOM system controller as the default console connection, see:
■ “About Communicating With the System” on page 24
■ “Using the Serial Management Port” on page 39
When you first power on the system, the ALOM system controller card provides a
default connection to the system console through its serial management port. After
initial setup, you can assign an IP address to the network management port and
connect the network management port to a network. You can run diagnostic tests,
view diagnostic and error messages, reboot your server, and display environmental
status information using the ALOM system controller software. Even if the
operating system is down or the system is powered off, the ALOM system controller
can send an email alert about hardware failures, or other important events that can
occur on the server.
The ALOM system controller provides the following features:
■ Secure Shell (SSH) or Telnet connectivity – Network connectivity can also be
disabled
Chapter 4 Configuring Hardware 71