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12 Information Update
www.dell.com | support.dell.com
See the
Dell Remote Access Controller/Modular Chassis Version 1.1 User's Guide
at
support.dell.com
for more information about firmware updates and installing redundant
DRAC/MC modules. This guide also provides complete instructions on how to set up and operate
that version of the module.
Guidelines for Installing Connectivity Modules
When inserting connectivity modules into the system’s back-panel I/O bays, follow these
guidelines:
NOTE: See your Installation and Troubleshooting Guide for the I/O-bay numbering sequence.
• Insert a connectivity module into I/O bay 1 before installing a connectivity module into I/O
bay 2.
I/O bays 1 and 2 support only Gb Ethernet switch or pass-through modules. Ensure that the
Ethernet modules installed in I/O bays 1 and 2 are of the same type.
• Insert a connectivity module into I/O bay 3 before installing a connectivity module into I/O
bay 4.
Ensure that the connectivity modules installed in I/O bays 3 and 4 are of the same type.
For more information, see the
Dell Remote Access Controller/Modular Chassis Version 1.1 User's
Guide
at
support.dell.com
.
Red Hat Enterprise Linux (Version 3) Update 3 Operating
System Information
Installation
Newer Intel
®
processors have an XD bit-enabled feature that allows an operating system to reserve
a segment of memory to store code in a non-executable environment. Under certain circumstances,
this feature can cause the installation of the Red Hat Enterprise Linux (version 3) Update 3
operating system from the
Dell OpenManage
CD to fail.
To disable XD-bit support to prevent this installation failure, add switch
noexec=off
to the
/etc/grub.conf
file as shown in the following example:
kernel /vmlinuz-2.4.21-20.EL ro root=LABEL=/ noexec=off
If an EM64T kernel is being used, also include the
noexec32=off
parameter on the kernel line
as shown in the following example:
kernel /vmlinuz-2.4.21-20.EL ro root=LABEL=/ noexec=off noexec32=off
R9289bk1.book Page 12 Friday, February 18, 2005 1:30 PM