Sun Microsystems 60 service manual Troubleshooting Procedures 4-14.1 Power-On Failure

3.4.3 POST Progress and Error Reporting 3-18

3.5Bypassing POST 3-21

3.6	Additional Keyboard Control Commands 3-22
3.7	System and Keyboard LEDs 3-22
3.8	Initializing Motherboard POST 3-23

4.Troubleshooting Procedures 4-14.1 Power-On Failure 4-2

4.2	Video Output Failure 4-3
4.3	Disk Drive or CD-ROM Drive Failure 4-3
4.4	Power Supply Test 4-5

4.5DIMM Failure 4-7

4.6 OpenBoot PROM On-Board Diagnostics 4-8

4.6.1watch-clock 4-9

4.6.2	watch-net and watch-net-all	4-9
4.6.3	probe-scsi and probe-scsi-all 4-10
4.6.4	test alias name, device path, -all	4-11
4.6.5	UPA Graphics Card 4-12

4.7OpenBoot Diagnostics 4-13 4.7.1 PCI/Cheerio 4-15

4.7.2 EBus DMA/TCR Registers 4-16

4.7.3Ethernet 4-16

4.7.4Keyboard 4-17

4.7.5Mouse 4-18

4.7.6Floppy 4-18

4.7.7Parallel Port 4-18

4.7.8	Serial Port A	4-19
4.7.9	Serial Port B	4-21

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