Service manual

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3.12.1
Compaq Analyze Using a Web Browser........................................ 3-88
3.12.2 Problem Found Report.................................................................. 3-90
3.12.3 Description of the Error (660)....................................................... 3-94
Chapter 4 GS160/320 Component Removal and Replacement
4.1 System Safety........................................................................................ 4-2
4.2 FRU List................................................................................................ 4-4
4.3 FRU Power States Defined ................................................................. 4-10
4.3.1 Hot-Swapping a FRU.................................................................... 4-12
4.3.2 Warm-Swapping a FRU................................................................ 4-13
4.3.3 Cold-Swapping a FRU .................................................................. 4-14
4.3.4 Getting a FRU into the AC Off State.................................................. 4-15
4.4 System Box Module Location and Identification ................................ 4-16
4.4.1 Power Color Codes ........................................................................ 4-18
4.4.2 Module Color Codes ...................................................................... 4-20
4.5 System Box Module Access ................................................................. 4-22
4.5.1 Memory, Directory, Main Power, or Auxiliary Power Module
Removal and Replacement............................................................ 4-24
4.5.2 CPU Removal and Replacement................................................... 4-26
4.5.3 Power System Manager Removal and Replacement .................... 4-28
4.5.4 Clock Splitter Module Removal and Replacement ....................... 4-30
4.5.5 Local I/O Riser Removal and Replacement................................... 4-32
4.5.6 Global Port Module Removal and Replacement ........................... 4-34
4.5.7 Memory or Directory DIMM Removal and Replacement.............. 4-36
4.5.8 System Box Removal and Replacement........................................ 4-38
4.6 GS160 Distribution Board Assembly Modules.................................... 4-40
4.6.1 Distribution Board Removal and Replacement............................ 4-40
4.6.2 Dual-Output Clock Module Removal and Replacement............... 4-42
4.6.3 Console Serial Bus Module Removal and Replacement ............... 4-44
4.7 Hierarchical Switch Assembly Modules.............................................. 4-46
4.7.1 H-switch Removal and Replacement ............................................ 4-46
4.7.2 H-switch Power Supply Removal and Replacement..................... 4-48
4.7.3 H-switch Clock Module Removal and Replacement ..................... 4-50
4.7.4 H-switch Power Manager Removal and Replacement.................. 4-52
4.7.5 Console Serial Bus Module Removal and Replacement ............... 4-54
4.8 System Cabinet Blower Removal and Replacement ........................... 4-56