
Preface AM4020
Page iv ID 1036-5671, Rev. 2.0
P R E L I M I N A R Y
5. Firmware Code ............................................................................ 29
5.1 Structure and Functionality .........................................................................29
5.2 MMC Firmware Configuration .....................................................................29
5.2.1 KCS Interface Interrupt ......................................................................29
5.3 Firmware / Module Identification .................................................................30
5.4 Firmware Upgrade ......................................................................................31
5.4.1 Firmware File Formats .......................................................................31
5.4.2 Firmware Upgrade - “ipmitool hpm” ..................................................32
5.4.3 Firmware Upgrade - “ipmitool fwum” .................................................33
6. FRU Information ......................................................................... 33
6.1 FRU Version Identification ..........................................................................33
6.2 FRU Data Update .......................................................................................34
7. E-Keying ...................................................................................... 34
7.1 PCI Express Lane Width – x4 or x1 ............................................................34
7.2 PCI Express Reference Clock ....................................................................34
8. uEFI BIOS Failover Control - Automatic Flash Selection ....... 35
9. Hot Swap ..................................................................................... 36
9.1 Method 1: The Payload OS Supports ACPI ................................................36
9.2 Method 2: The Payload OS Does Not Support ACPI .................................36
10. LAN Functions ............................................................................ 37
10.1 Overview .....................................................................................................37
10.2 Setting Up the Ethernet Channel ................................................................37
10.3 Basic Setup from uEFI Shell .......................................................................38
10.4 Setup by “ipmitool” or IPMI Commands ......................................................38
10.5 Setup of User Accounts and Password ......................................................38
10.6 IPMI Over LAN (IOL) ..................................................................................39
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