Fujitsu SPARC Enterprise T2000, Service Manual, Page: 8 / 174

vi SPARC Enterprise T2000 Server Service Manual • April 2007
2.1.5 Predictive Self-Healing 2–8
2.2 Chassis Identification 2–9
2.3 Obtaining the Chassis Serial Number 2–10
3. Server Diagnostics 3–1
3.1 Overview of Server Diagnostics 3–1
3.1.1 Memory Configuration and Fault Handling 3–6
3.1.1.1 Memory Configuration 3–6
3.1.1.2 Memory Fault Handling 3–7
3.1.1.3 Troubleshooting Memory Faults 3–8
3.2 Using LEDs to Identify the State of Devices 3–8
3.2.1 Front and Rear Panel LEDs 3–8
3.2.2 Hard Drive LEDs 3–11
3.2.3 Power Supply LEDs 3–12
3.2.4 Fan LEDs 3–13
3.2.5 Blower Unit LED 3–13
3.2.6 Ethernet Port LEDs 3–14
3.3 Using ALOM CMT for Diagnosis and Repair Verification 3–16
3.3.1 Running ALOM CMT Service-Related Commands 3–18
3.3.1.1 Connecting to ALOM CMT 3–18
3.3.1.2 Switching Between the System Console and ALOM
CMT
3–18
3.3.1.3 Service-Related ALOM CMT Commands 3–19
3.3.2 Running the
showfaults
Command 3–21
3.3.3 Running the
showenvironment
Command 3–22
3.3.4 Running the
showfru
Command 3–25
3.4 Running POST 3–26
3.4.1 Controlling How POST Runs 3–26
3.4.2 Changing POST Parameters 3–30