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Information Update 23
Serial Communication Screen
Table 1-8 lists the updated information on the default Failsafe Baud Rate.
Operating System Information
Enumeration of NICs
Linux operating system versions that use the udev kernel device manager
enumerate the NICs differently than earlier Linux versions that used the
devfs device manager. Although this does not affect system functionality,
when using Red Hat
®
Enterprise Linux
®
(version 4 or version 5) or SUSE
®
Linux Enterprise Server 9 or 10 operating systems, the NICs are enumerated
in reverse: NIC1 is configured as eth1 instead of eth0, and NIC2 is configured
as eth0 instead of eth1. For information on how to change the default device
enumerations, see the “Network Interface Card Naming” white paper
available at linux.dell.com.
RHEL – Incorrect Processor Information
• If an Intel Xeon 54xx processor is installed in a system running RHEL
Version 4 Update 5 and Demand-Based Switching is enabled in the BIOS,
cat/proc/cpuinfo
and
cat/sys/devices/system/cpu/cpuxx/cpufreq/scaling_
cur_freq
displays an incorrect processor frequency. (The actual
processor speed is not affected.)
• If an Intel Xeon 54
xx
processor is installed in a system running RHEL
Version 3 Update 9, incorrect processor information is displayed in
/proc/cpuinfo
. (The actual processor speed is not affected.)
This behavior will be corrected in a future RHEL 4Update.
Table 1-8. Serial Communication Screen Option
Option Description
Failsafe Baud Rate
(115200 default)
Displays the failsafe baud rate used for console redirection
when the baud rate cannot be negotiated automatically with
the remote terminal. This rate should not be adjusted.