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HP ProLiant BL280c - G6 Server Manual

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Configuring the HP ProLiant Server BIOS for LowLatency Applications White Paper Part Number 581608-002 February 2010 (Second Edition)

Section	Page
Configuring the HP ProLiant Server BIOS for Low-Latency Applications White Paper	1
Notice	2
Contents	3
Introduction	4
Operating systems	5
Ret Hat Enterprise MRG	5
SUSE Linux Enterprise Real Time Extension	5
HP support for real-time operating systems	5
Configuring BIOS	6
System requirements	6
BIOS tuning recommendations for optimum performance	6
BIOS low-latency settings	7
Upgrading BIOS	7
Obtaining SSSTK	8
BIOS configuration methods	8
Using RBSU to reconfigure BIOS	9
Using conrep to reconfigure BIOS	9
Determining PowerManagement state	9
Restoring management functionality	10
Restoring management functionality using RBSU	10
Restoring management functionality using conrep	10
Frequently asked questions	11
Q. Does disabling Memory Pre-Failure Notification disable memory error correction?	11
Q. What memory features are lost if Memory Pre-Failure Notification is disabled?	11
Q. How does disabling iLO 2 Processor State Monitoring in the HP ProLiant c-Class enclosure affect power management?	11
Q. How can I verify that a server has the low-latency option set?	11
Q. Does Microsoft® Windows Server® 2008 support real-time operations?	11
Q. Do HP BIOS low-latency options work in Microsoft® Windows®?	11
Q. Can I interrogate the memory operating speed?	12
Q. How can the actual memory operating speed be confirmed?	12
Q. Why don't all the server blades boot when power is first applied to a fully populated enclosure?	12
Q. Does setting the server blades to highest performance state affect the ability of all server blades in an enclosure to boot?	12
Technical support	13
Before you contact HP	13
HP contact information	13

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Configuring the HP ProLiant Server BIOS for Low-

Latency Applications

White Paper

Part Number 581608-002

February 2010 (Second Edition)