Sun Microsystems 60 用户手册

Chapter 4

Troubleshooting Procedures

4-13

2. At the

prompt, type:

3. When the UPA graphics card on-board diagnostics are completed, type:

4.7

OpenBoot Diagnostics

The OpenBoot diagnostic (OBDiag) is a menu-driven set of diagnostics that verifies:

■

PCI/Cheerio

■

Ebus DMA/TCR registers

■

Ethernet

■

Keyboard

■

Mouse

■

Floppy

■

Serial port A

■

Serial port B

■

NVRAM

■

Audio

■

SCSI

■

All above

OBDiag performs root-cause failure analysis on the referenced devices by testing
internal registers, confirming subsystem integrity, and verifying device functionality.

To initilize the OBDiag menu:

1. At the

prompt, type:

obdiag.

ok% test screen

Verifying Console Mode for Frame Buffer Board

This will take a few minutes

Verifying Frame Buffer Memory used for console mode

This will take about two minutes

FFB Frame Buffer functional test passed

ok% setenv diag-switch? false

diag-switch? = false