Sun Microsystems SUN BLADE 150 - Page 4

iv Sun Blade 150 Service Manual • June 2002
3.5 Initializing POST 3–5
3.6 Maximum and Minimum POST Levels 3–6
3.6.1 diag-level Variable Set to max 3–6
3.6.2 diag-level Variable Set to min 3–18
3.7 POST Progress and Error Reporting 3–25
3.8 Bypassing POST 3–27
3.9 Resetting Variables to Default Settings 3–27
3.10 Viewing the Default NVRAM Settings 3–28
3.11 Initializing Motherboard POST 3–28
4. Troubleshooting Procedures 4–1
4.1 Power-On Failure 4–1
4.2 Video Output Failure 4–2
4.3 Hard Drive, CD-ROM, or DVD-ROM Drive Failure 4–2
4.4 Power Supply Test 4–4
4.5 DIMM Failure 4–5
4.6 OpenBoot PROM On-Board Diagnostics 4–5
4.6.1 Watch-Clock Diagnostic 4–5
4.6.2 Watch-Net and Watch-Net-All Diagnostics 4–6
4.6.3 Probe-IDE Diagnostic 4–7
4.7 OpenBoot Diagnostics 4–8
4.7.1 OpenBoot Diagnostics Menu Overview 4–8
4.7.2 Starting the OpenBoot Diagnostics Menu 4–9
4.7.3 OpenBoot Diagnostics Help 4–12
4.7.3.1 Help Command 4–12
4.7.4 Specific OpenBoot Diagnostics Tests 4–13
4.7.4.1 Test Command 4–13
4.7.4.2 Test-all Command 4–14
4.7.4.3 Except Command 4–14