Compaq AlphaServer DS20E Reference Manual page 6

7.18 Reading a File ..................................................................................... 7-38
7.19 Configuring a PCI NVRAM Module.................................................... 7-40
7.20 Creating a Power-Up Script................................................................ 7-41
7.21 Loading AlphaBIOS ............................................................................ 7-43
7.22 Setting Console Security ..................................................................... 7-44
7.22.1 Overview of Secure Mode.............................................................. 7-44
7.22.2 Setting the Console Password....................................................... 7-45
7.22.3 Setting the Console to Secure Mode ............................................. 7-47
7.22.4 Turning Off Security During a Console Session........................... 7-48
7.22.5 Returning to User Mode ............................................................... 7-51
7.23 Setting and Viewing Environment Variables ..................................... 7-52
7.23.1 com*_baud .................................................................................... 7-56
7.23.2 console........................................................................................... 7-57
7.23.3 cpu_enabled .................................................................................. 7-58
7.23.4 ei*0_mode or ew*0_mode.............................................................. 7-60
7.23.5 kbd_hardware_type ...................................................................... 7-61
7.23.6 language........................................................................................ 7-62
7.23.7 os_type .......................................................................................... 7-63
7.23.8 pci_parity ...................................................................................... 7-64
7.23.9 pk*0_fast....................................................................................... 7-65
7.23.10 pk*0_host_id ................................................................................. 7-66
7.23.11 pk*0_soft_term.............................................................................. 7-67
7.23.12 tt_allow_login................................................................................ 7-69
Chapter 8 Troubleshooting
8.1 Error Beep Codes .................................................................................. 8-2
8.2 Diagnostic LEDs on OCP ...................................................................... 8-3
8.3 Power Problems..................................................................................... 8-4
8.4 Console-Reported Failures.................................................................... 8-5
8.5 Boot Problems ....................................................................................... 8-6
8.6 Thermal Problems and Environmental Status ..................................... 8-8
8.7 Operating System Reported Failures ................................................... 8-9
8.8 Memory Problems ............................................................................... 8-10
8.9 PCI Bus Problems ............................................................................... 8-11
8.10 SCSI Problems .................................................................................... 8-12
8.11 Fail-Safe Booter Utility....................................................................... 8-13
8.11.1 Starting the FSB........................................................................... 8-13
8.11.2 Preparing Diskettes ...................................................................... 8-15
8.11.3 Updating Firmware ...................................................................... 8-16
vi
All manuals and user guides at all-guides.com