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164 IBM NeXtScale System Planning and Implementation Guide

Figure 7-4 shows how the IMM2 access port is set by using the ASU tool from

inside the operating system.

Figure 7-4 Setting the IMM2 access port via ASU

For more information about the IMM, see the following publications:

򐂰 IMM User’s Guide:

http://ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5086346

򐂰 A white paper about transitioning to UEFI and IMM:

http://ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5079769

7.1.2 Unified Extendible Firmware Interface

The Unified Extensible Firmware Interface (UEFI) replaces BIOS in System x

and BladeCenter servers. It is the new interface between the operating system

and platform firmware. UEFI provides a modern, well-defined environment for

booting an operating system and running pre-boot applications.

For more information about UEFI, see this website:

http://www.uefi.org/home/

UEFI provides the following improvements over BIOS:

򐂰 ASU now has complete coverage of system settings.

򐂰 On rack mount servers, UEFI settings can be accessed out-of-band by ASU

and the IMM (not available on blades).

򐂰 Adapter configuration can move into F1 setup; for example, iSCSI

configuration is now in F1 setup and consolidated into ASU.

򐂰 Elimination of beep codes: All errors are displayed by using light path

diagnostics.

> /opt/ibm/toolscenter/asu/asu64 set IMM.SharedNicMode Shared

IBM Advanced Settings Utility version 9.41.81K

Licensed Materials - Property of IBM

Successfully discovered the IMM via SLP.

Discovered IMM at IP address 169.254.95.118

Connected to IMM at IP address 169.254.95.118

IMM.SharedNicMode=Shared

Waiting for command completion status.

Command completed successfully.

IBM NeXtScale System User Manual

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