v
4.7.3 Displaying the System Environment .........................................................................................4–10
4.7.4 Power On and Off, Reset, and Halt ...........................................................................................4–11
4.7.5 Configuring Remote Dial-In.....................................................................................................4–12
4.7.6 Configuring Dial-Out Alert.......................................................................................................4–13
4.7.7 Resetting the Escape Sequence .................................................................................................4–15
4.8 Resetting the RMC to Factory Defaults...............................................................................................4–15
4.9 RMC Troubleshooting Tips................................................................................................................4–17
5 Removal and Replacement
5.1 Introduction .........................................................................................................................................5–1
5.2 Extending the Chassis for Service.........................................................................................................5–3
5.3 Front Panel ..........................................................................................................................................5–4
5.4 Top Cover............................................................................................................................................5–5
5.5 PCI Access Cover ................................................................................................................................5–6
5.6 Removable Media Bracket ...................................................................................................................5–7
5.7 Floppy Drive........................................................................................................................................5–8
5.8 CD-ROM Drive ...................................................................................................................................5–9
5.9 Hard Disk Drive Cover.......................................................................................................................5–10
5.10 Hard Disk Drive...............................................................................................................................5–11
5.11 Power Supply...................................................................................................................................5–13
5.12 OCP Assembly.................................................................................................................................5–14
5.13 CPU Modules...................................................................................................................................5–15
5.14 Memory Motherboard (MMB)..........................................................................................................5–16
5.15 Memory DIMMs..............................................................................................................................5–17
5.16 System Card-Cage Fan Assembly.....................................................................................................5–18
5.17 Front or Rear EMI/RFI Honeycomb Filter ........................................................................................5–19
5.18 PCI Card-Cage Fan Assembly..........................................................................................................5–20
5.19 PCI Option Modules.........................................................................................................................5–21
5.20 Paddle Card......................................................................................................................................5–22
5.21 Miscellaneous I/O Module................................................................................................................5–23
5.22 PCI Backplane .................................................................................................................................5–24
5.23 Bottom Access Cover.......................................................................................................................5–25
5.24 System Motherboard ........................................................................................................................5–26
6 Troubleshooting and Diagnostics
6.1 Introduction .........................................................................................................................................6–1
6.2 Questions to Consider ..........................................................................................................................6–1
6.3 Categories of Problems.........................................................................................................................6–1
6.4 Service Tools and Utilities....................................................................................................................6–6
6.4.1 Error Handling/Logging Tools (Compaq Analyze)......................................................................6–6
6.4.2 ROM-Based Diagnostics (RBDs)................................................................................................6–6
6.4.3 Loopback Tests ..........................................................................................................................6–6
6.4.4 SRM Console Commands...........................................................................................................6–6
6.4.5 Remote Management Console (RMC).........................................................................................6–7
6.4.6 Operating System Exercisers (DEC VET)...................................................................................6–7
6.4.7 Crash Dumps..............................................................................................................................6–7
6.4.8 Revision and Configuration Management Tool (RCM)................................................................6–7
6.4.9 StorageWorks
Command Console (SWCC).................................................................................6–7
6.5 Power-Up Diagnostics..........................................................................................................................6–8
6.5.1 System Startup Diagnostics.........................................................................................................6–8
6.5.2 System Power-On Process..........................................................................................................6–9
6.5.3 RMC Diagnostics.......................................................................................................................6–9
6.5.4 SROM Power-Up Display ........................................................................................................6–11
6.5.4.1 SROM Power-Up Error Messages...................................................................................6–13
6.5.5 SRM Console Power-Up Display..............................................................................................6–14
6.5.5.1 Console Event Log .........................................................................................................6–17