IBM uEFI Flash Update v3.20 - IBM System x

Download Description

• New IBM xSeries firmware and device driver file naming convention

Change history

Severity: Suggested

Version 3.20

For installation instructions, see the Install Tip file which is provided 
in the downloaded software package.
NOTE:  This document is designed to be cumulative.  The current version
is appended to the previous version(s).


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System: System x3550 M4 UEFI Flash Update
Version 3.20, Build ID D7E174B, Suggested
Release date:   June/2020
==========================================================================

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1.0 Overview
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Machine Types supported:        7914
Operating systems supported:    Operating System Independent 


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2.0 Prerequisites and dependencies
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      - The IMM firmware must be at BUILDID: 1AOO58T Version: 4.31 
        (ibm_fw_imm2_1aoo58t-4.31_anyos_noarch) or higher prior to installing
        UEFI version 1.50. If the IMM level is lower, the UEFI update module
        will be rejected as invalid because of additional security features
        features implemented in this release
		
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3.0 Security Fixes
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  FIX: 
    - Fixed legacy USB SMI driver security issues that were detected by the
      CHIPSEC (Platform Security Assessment Framework) tool. 

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4.0 Other Fixes
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  FIX:  None

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5.0 Enhancements
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  ENHANCEMENT:
  None

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6.0 Other Changes
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  CHANGE:
  None

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7.0 Limitations
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  LIMITATION:
      - When flashing UEFI from version 1.30 or later to a version earlier 
        than 1.30, a "Boot Configuration Error" message will be logged into the
        UEFI error log. This error does has no impact on the system
        configuration or operation. No errors are logged when flashing from an
        earlier version to version 1.30 or newer.

Note: See the change history file for more information.