Openboot Diagnostics - Sun Microsystems Ultra 60 Service Manual

2. At the ok prompt, type:
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
3. When the UPA graphics card on-board diagnostics are completed, type:
ok% setenv diag-switch? false
diag-switch? = false
4.7

OpenBoot Diagnostics

The OpenBoot diagnostic (OBDiag) is a menu-driven set of diagnostics that verifies:
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 ok prompt, type: obdiag.
PCI/Cheerio
Ebus DMA/TCR registers
Ethernet
Keyboard
Mouse
Floppy
Serial port A
Serial port B
NVRAM
Audio
SCSI
All above
Chapter 4 Troubleshooting Procedures 4-13