Contents
007-4857-002 ix
Altix 42U and 20U Rack Features . . . . . . . . . . . . . . . . . . .102
Technical Specifications. . . . . . . . . . . . . . . . . . . . . .104
6. Maintenance and Upgrade Procedures . . . . . . . . . . . . . . . . .107
Maintenance Precautions and Procedures . . . . . . . . . . . . . . . . .107
Preparing the System for Maintenance or Upgrade . . . . . . . . . . . . .108
Returning the System to Operation. . . . . . . . . . . . . . . . . .108
Installing or Removing Internal Parts . . . . . . . . . . . . . . . . . .109
Replacing IRU Components. . . . . . . . . . . . . . . . . . . . .110
Remove and Replace the System Control Display Panel . . . . . . . . . . . .110
Removing or Adding IRU Power Supplies. . . . . . . . . . . . . . . .113
Removing and Replacing IRU Fans (Blowers). . . . . . . . . . . . . . .114
Removing or Replacing a System Blade From the IRU . . . . . . . . . . . .118
Removing and Replacing a Compute/Memory Blade . . . . . . . . . . . . .118
Memory DIMM Group Placement and Guidelines. . . . . . . . . . . . . .121
Remove and Replace the DVD Drive . . . . . . . . . . . . . . . . .123
Overview of PCI Express Operation . . . . . . . . . . . . . . . . . .127
Adding or Replacing PCI/PCI-X Cards. . . . . . . . . . . . . . . . . .128
Installing PCI Cards in the Three-Slot Blade . . . . . . . . . . . . . . .129
Add or Remove a PCI Card in Base IA Blades. . . . . . . . . . . . . . .136
Installing or Replacing a Disk Drive in the IA Blade . . . . . . . . . . . . . .138
Removing a System Disk Drive . . . . . . . . . . . . . . . . . .139
Installing a System Disk Drive . . . . . . . . . . . . . . . . . . .140
7. Troubleshooting and Diagnostics . . . . . . . . . . . . . . . . . . .143
Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . .144
L1 Controller Error Messages . . . . . . . . . . . . . . . . . . . .145
LED Status Indicators . . . . . . . . . . . . . . . . . . . . . .147
IRU Power Supply LEDs . . . . . . . . . . . . . . . . . . . .147
IRU NUMAlink Router Port LEDs. . . . . . . . . . . . . . . . . .147
Compute/Memory Blade LEDs. . . . . . . . . . . . . . . . . . .148
SGI Electronic Support . . . . . . . . . . . . . . . . . . . . . .149
A. Technical Specifications and Pinouts . . . . . . . . . . . . . . . . . .153
System-level Specifications . . . . . . . . . . . . . . . . . . . . .153