iv SPARCstation 5 Model 110 Service Manual • November 1996
3.4 Abbreviated Diagnostic Mode 3-5
3.4.1 Setting Up a tip Connection to Another System 3-5
3.5 Tests the POST Runs 3-6
3.6 POST Error Messages 3-8
3.7 Status Lights (LEDs) and Indicators 3-9
4. Troubleshooting Procedures 4-1
4.1 No Video Output on the System Monitor 4-2
4.2 Power-On Does Not Succeed 4-2
4.2.1 Power Supply Test 4-3
4.2.2 System Board Test 4-5
4.3 Disk Drive Errors 4-6
4.3.1 Verifying the Built-In SCSI Controller 4-6
4.4 Determining Faulty DSIMM Locations 4-7
5. Safety and Tools Requirements 5-1
5.1 Safety Requirements 5-1
5.2 Symbols 5-2
5.3 System Precautions 5-3
5.4 Tools Required 5-3
5.5 Electrostatic Discharge (ESD) Precautions 5-4
6. Power On and Off 6-1
6.1 Powering Off the System 6-1
6.1.1 When the System Is Working Normally 6-1
6.1.2 When the System Does Not Respond Normally 6-2
6.2 Powering On the System 6-4
7. Internal Access 7-1
7.1 Removing the Cover 7-1
7.2 Attaching the Wrist Strap 7-3
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