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In addition, scalability indicators are available through the front bezel. These indicators enable you to tell
whether BladeCenter HX5 blade servers are operating independently or as a single hardware partition.
• Mobile access to IBM Service Information website
The server provides a QR code on the system service label, which is on the cover of the server, that you
can scan using a QR code reader and scanner with a mobile device to get quick access to the IBM
Service Information website. The IBM Service Information website provides additional information for
parts installation and replacement videos, and error codes for server support. For the QR code, see QR
code information on page Chapter 1 "Introduction" on page 1.
• PCI Express
PCI Express is a serial interface that is used for chip-to-chip interconnect and expansion adapter
interconnect. With the blade expansion connector, you can add optional I/O and storage devices.
• Power throttling
Each blade server is powered by two Enterprise Voltage Regulator-Down (EVRD) 11.0 voltage regulators.
By enforcing a power policy known as power-domain oversubscription, the BladeCenter chassis can
share the power load between two power modules to ensure sufficient power for each device in the
BladeCenter chassis. This policy is enforced when the initial power is applied to the BladeCenter chassis
or when a blade server is inserted into the BladeCenter chassis.
The following settings for this policy are available:
– Power module redundancy
– Power module redundancy with blade throttling allowed
– Basic power management
You can configure and monitor the power environment by using the advanced management module. For
more information about configuring and using power throttling, see the Advanced Management Module
User's Guide (available at http://publib.boulder.ibm.com/infocenter/bladectr/documentation/index.jsp) or
http://www.ibm.com/supportportal/.
Reliability, availability, and serviceability features
Three of the most important features in server design are reliability, availability, and serviceability (RAS).
These RAS features help to ensure the integrity of the data that is stored in the blade server, the availability of
the blade server when you need it, and the ease with which you can diagnose and correct problems.
The blade server has the following RAS features:
• Customer upgrade of flash ROM-resident code and diagnostics
• Power policy 24-hour support center
• Vital product data (VPD) on memory
• Processor presence detection
• Advanced Configuration and Power Interface (ACPI)
• Automatic server restart (ASR)
• Built-in diagnostics using DSA Preboot, which is stored in integrated USB memory.
• Built in monitoring for temperature, voltage, and hard disk drives
• Customer support center 24 hours per day, 7 days a week.
• Customer-upgradeable Unified Extensible Firmware Interface (UEFI) code and diagnostics
• ECC protection on the L2 cache
• Error codes and messages
• Integrated management module (IMM)
• Light path diagnostics
• Memory parity testing
1.
Service availability varies by country. Response time varies depending on the number and nature of incoming calls.
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BladeCenter HX5 Blade ServerInstallation and User's Guide
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