Service manual

iii
Contents
1..General Information ..................................................................................................................................... 1
Notice to Service Technicians........................................................................................................................ 1
Removing Covers - Pedestal LH 3000........................................................................................................... 1
Removing Covers - Rack Mount LH 3000r .................................................................................................... 3
Removing the System Board Assembly......................................................................................................... 6
Controls and Indicators .................................................................................................................................. 8
Front Panel ................................................................................................................................................ 8
Other Front Indicators and Controls .......................................................................................................... 8
Hard Disk Drive LED Indicators ................................................................................................................. 9
Rear Panel ................................................................................................................................................. 9
LEDs at the Rear of the Chassis ............................................................................................................. 10
Main Menu.................................................................................................................................................... 11
Viewing System Information .................................................................................................................... 12
2..System Information.................................................................................................................................... 13
Boot Drive Priority ........................................................................................................................................ 13
IRQ Settings................................................................................................................................................. 13
Connector Pinouts........................................................................................................................................ 13
Video Connector Pinouts ......................................................................................................................... 13
Serial Port Connector............................................................................................................................... 14
Parallel Port Connector............................................................................................................................ 15
Mini-DIN Connectors................................................................................................................................ 15
LAN Connector ........................................................................................................................................ 16
Memory Guidelines ...................................................................................................................................... 16
Mass Storage Guidelines ............................................................................................................................. 16
Accessory Board Guidelines ........................................................................................................................ 17
Hot Addition and Replacement of Hot Plug PCI Boards.......................................................................... 18
Additional Information .............................................................................................................................. 18
I/O Board.................................................................................................................................................. 18
Processor Guidelines ................................................................................................................................... 18
Technical Specifications............................................................................................................................... 19
Acoustic Emissions .................................................................................................................................. 20