Installation guide
iv
Chapter 4 Diagnostics
4.1 Test Command ....................................................................... 4-2
4.2 Set Host Command — Running DUP-Based Diagnostics
and Utilities.......................................................................... 4-10
4.3 Set Host Command — Running Diagnostics on a Remote
XMI Adapter........................................................................ 4-12
Chapter 5 FRU Locations
5.1 FRUs Common to Every Platform ........................................ 5-2
5.2 Platform Cables...................................................................... 5-6
5.3 FRUs in the XMI Plug-In Unit.............................................. 5-8
5.4 FRUs in the Disk Plug-In Unit ........................................... 5-10
5.5 FRUs in the Battery Plug-In Unit ...................................... 5-12
Chapter 6 Controls and Indicators
6.1 Control Panel.......................................................................... 6-2
6.2 TF85 Removable Media Device ............................................. 6-3
6.3 Cabinet Control Logic Module............................................... 6-4
6.4 IOP Module............................................................................. 6-5
6.5 KA7AA Processor Module...................................................... 6-6
6.6 Power Regulator..................................................................... 6-8
6.7 AC Input Box.......................................................................... 6-9
6.8 BA651 XMI PIU Power Regulators..................................... 6-10
6.9 DWLMA Module .................................................................. 6-12
6.10 BA654 Disk PIU ................................................................... 6-13
Chapter 7 Restoring Corrupted ROMs
7.1 Restoring a Corrupted EEPROM .......................................... 7-2
7.2 Restoring Corrupted Firmware on an Adapter .................... 7-3
7.3 Restoring Corrupted Firmware on a CPU............................ 7-7
Chapter 8 System Errors
8.1 Machine Check Frame ........................................................... 8-2
8.2 Machine Check Parse Tree.................................................... 8-5
8.3 Hard Error Parse Tree......................................................... 8-12