Operating instructions

4.9.1
Ethernet Connection Status LEDs...................................................... 4-30
4.10 Disk Drive Configuration .................................................................... 4-31
4.11 Installing Disk Drives ......................................................................... 4-32
4.11.1 Drive Status LEDs........................................................................ 4-34
4.12 External SCSI Expansion ................................................................... 4-35
4.13 Updating Firmware............................................................................. 4-37
4.13.1 Sources of Firmware Updates....................................................... 4-38
4.13.2 Updating Firmware from the CD-ROM........................................ 4-39
Chapter 5 Firmware
5.1 SRM Console Overview ......................................................................... 5-2
5.1.1 Invoking the SRM Console.................................................................... 5-4
5.2 Command Summary ............................................................................. 5-5
5.3 Getting Help........................................................................................ 5-10
5.4 Displaying the Configuration.............................................................. 5-12
5.5 Displaying the Bootable Devices......................................................... 5-15
5.6 Displaying the Memory Configuration................................................ 5-16
5.7 Displaying the Power Status............................................................... 5-17
5.8 Displaying the SRM Console Version ................................................. 5-18
5.9 Displaying the CPU Status ................................................................. 5-19
5.10 Displaying the PALcode Version......................................................... 5-20
5.11 Booting an Operating System ............................................................. 5-21
5.12 Testing the System.............................................................................. 5-23
5.13 Starting and Stopping CPUs............................................................... 5-25
5.13.1 halt (or stop).................................................................................. 5-25
5.13.2 continue......................................................................................... 5-25
5.14 Updating Firmware............................................................................. 5-27
5.15 Forcing a System Crash Dump ........................................................... 5-30
5.16 Initializing the System........................................................................ 5-31
5.17 Reading a File ..................................................................................... 5-34
5.19 Creating a Power-Up Script................................................................ 5-36
5.20 Setting Console Security ..................................................................... 5-38
5.20.1 Overview of Secure Mode.............................................................. 5-38
5.20.2 Setting the Console Password....................................................... 5-39
5.20.3 Setting the Console to Secure Mode ............................................. 5-41
5.20.4 Turning Off Security During a Console Session ........................... 5-42
5.20.5 Returning to User Mode ............................................................... 5-45
5.21 Setting and Viewing Environment Variables ..................................... 5-46
5.21.1 com*_baud..................................................................................... 5-50
5.21.2 console........................................................................................... 5-51
5.21.3 cpu_enabled .................................................................................. 5-52
vii