Chapter 2 Troubleshooting With Leds - Compaq AlphaServer GS60E Service Manual

This chapter tells how to use the LED displays and other indicators to track
down faulty components that you can replace in the AlphaServer GS60E
system.
LEDs give status on the power subsystem, system bus (TLSB) modules
(processor, memory, and I/O) the I/O bus, and devices in shelves. The cooling
subsystem consists of two blowers located in the center of the system cabinet.
They can be checked by looking and listening for the fans.
Sections in this chapter are as follows:
•
Operator Control Panel
•
Troubleshooting TLSB Modules
•
Troubleshooting a PCI Shelf
•
Troubleshooting StorageWorks Shelves
•
Troubleshooting the Power Subsystem
•
Troubleshooting the Cooling Subsystem
Troubleshooting with LEDs
Troubleshooting with LEDs
Chapter 2
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