Dell PowerEdge 2970 Information Update - Seite 2
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Demand-Based Power Management Feature
The Demand-Based Power Management option on the CPU Information screen of the System Setup
Program, which enables AMD PowerNow!™ technology features on your CPU(s), is not supported in
®
Red Hat
Enterprise Linux
System Start-up Behavior
Note the following events that may occur on your system during start-up.
•
When powering on the system, the video monitor can take as long as 30 seconds to display an image,
depending on the amount of memory installed in the system.
•
If you are running the Red Hat Enterprise Linux WS, ES, or AS (Version 4) (x86-64) operating system,
the system may display the following on-screen message several times during start-up:
clear kernel mapping: mapping is split: will leak memory
This message is specific to the operating system and does not indicate a problem with your system
hardware.
Overcurrent Events on USB Ports
Some USB devices can cause an overcurrent event on your system's USB ports. When this occurs, the
system disables one or more of the affected USB ports, and communication with the attached USB
devices is lost. An on-screen system message may appear noting the event, but this is not always the case,
particularly with devices connected to the rear USB ports. If an overcurrent event disables your system's
USB ports, re-enable the ports by restarting your system.
If overcurrent events persist, you may need to remove or replace the USB device(s) connected to
your system.
LCD Status Message Update
Table 1 lists updates to the LCD status messages that can occur and the probable cause for each
message. The LCD messages refer to events recorded in the system event log (SEL). For information
on the SEL and configuring systems management settings, see your systems management software
documentation.
Table 1. LCD Status Messages
Code
Text
E1232
VDD 12V PS#
PwrGd
®
operating systems prior to version 5.
Causes
AC power was lost on the specified
power supply while the system was
powered on. If AC power was not lost,
the specified power supply has failed.
Corrective Actions
If AC power was lost, this message is
information only. If the power supply
has failed, see "Getting Help" in your
Hardware Owner's Manual.