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B-6 AlphaServer DS20 Service Manual
Command Conventions
•
The commands are not case sensitive.
•
A command must be entered in full.
•
You can delete an incorrect command with the Backspace key before you press
Enter.
•
If you type a valid RCM command, followed by extra characters, and press
Enter, the RCM accepts the correct command and ignores the extra characters.
•
If you type an incorrect command and press Enter, the command fails with the
message:
*** ERROR - unknown command ***
halt
The halt command halts the managed system. The halt command is equivalent to
pressing the Halt button on the control panel and then immediately releasing it. The
RCM firmware exits command mode and reconnects the user’s terminal to the
system COM1 serial port.
RCM>halt
Focus returned to COM port
The halt command can be used to force a halt assertion. See Section A.3 for
information on halt assertion.
NOTE: If you are running Windows NT, the halt command has no effect.
haltin
The haltin command halts a managed system and forces a halt assertion. The haltin
command is equivalent to pressing the Halt button on the control panel and holding
it in. This command can be used at any time after system power-up to allow you to
perform system management tasks.
NOTE: If you are running Windows NT, the haltin command does not affect the
operating system session, but it does cause a halt assertion.
haltout
The haltout command terminates a halt assertion that was done with the haltin
command. It is equivalent to releasing the Halt button on the control panel after
holding it in (rather than pressing it once and releasing it immediately). This
command can be used at any time after system power-up.
- AlphaServer DS20 1
- Contents 3
- Chapter 3 Error Registers 4
- Appendix C Firmware Update 5
- Examples 5
- Intended Audience 9
- Document Structure 9
- Documentation Titles 10
- Information on the Internet 10
- System Overview 11
- Chapter 1 11
- System Enclosure 12
- PKW-0501-97 14
- System Consoles 16
- System Architecture 18
- CPU Types 20
- Figure 1-6 Memory Placement 22
- PK1488-98 24
- Example 1–1 Show Memory 25
- Interrupts 28
- Table 1-1 PCI Slot Numbering 31
- PK1410-99 32
- Table 1-2 Switchpack 2 33
- Table 1-3 Switchpack 3 33
- Server Feature Module 34
- 1.9.1 Power Control Logic 36
- PK1493-98 38
- Power Supply 40
- Power Up/Down Sequence 42
- Maintenance Bus (I 46
- Error State 47
- StorageWorks Drives 48
- System Overview 1-39 49
- Chapter 2 51
- Troubleshooting 51
- Testing an Entire System 59
- Other Useful Console Commands 61
- Troubleshooting with LEDs 62
- Compaq Analyze 64
- Continued on next page 67
- Table 2-2 Types of Errors 69
- Releasing Secure Mode 70
- Chapter 3 71
- Error Registers 71
- Ibox Status Register - I_STAT 72
- MM_STAT 73
- PK1416-99 75
- Cbox Read Register 77
- Miscellaneous Register (MISC) 79
- PK1418-99 82
- Pchip Error Register (PERROR) 83
- Failure Register 86
- Table 3-8 Failure Register 87
- Function Register 88
- Table 3-9 Function Register 89
- Chapter 4 91
- Removal and Replacement 91
- FRU List 92
- System Access 96
- CPU Removal and Replacement 98
- Figure 4-4 Removing Memory 100
- System Board 102
- Slot Cover 104
- Option Card 104
- Replacement 106
- PK1404-99 110
- PK1481 - 9 114
- Module Guides 116
- PKW0519A-97 118
- ➊ in Figure 119
- Replacement 120
- Figure 4-15 Removing CD-ROM 122
- PK1401-98 124
- PKW0501B-97 126
- PK1412-99 130
- Appendix A 133
- Halts, Console Commands, and 133
- Environment Variables 133
- Halt Button Functions 134
- Using the Halt Button 135
- Halt Assertion 136
- Appendix B 145
- Managing the System Remotely 145
- RCM Overview 146
- First-Time Setup 147
- ➊ in Example 148
- RCM Commands 149
- Using the RCM Switchpack 154
- Troubleshooting Guide 157
- Appendix C 159
- Firmware Update 159
- PK1461-98 160
- Diskettes 166
- Update 168
- (Continued) 170
- Internal Floppy Disk 171
- C.1.5 LFU Commands 176
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