Tools

OpenBoot diagnostic tests

OpenBoot Diagnostics (OBDiag) is a menu-driven tool that diagnoses system hardware. OBDiag performs root-cause failure analysis on the referenced devices by testing internal registers, confirming subsystem integrity, and verifying device functionality.

To use the OpenBoot diagnostic tests:

1.From the root login, turn off CMS.

2.Enter:

/usr/sbin/shutdown -y -i0 -g0

The system shuts down.

3.Enter: obdiag

This loads the test program.

4.Enter:

obtest <command number>

See the following table for a summary of OpenBoot Diagnostic test commands.

Command

Command

Description

number

name

 

 

 

 

 

 

 

0

PCI/PCIO

This command:

 

 

● Verifies the PCIO ASIC vender ID and the PCIO ASIC

 

 

device ID

 

 

● Verifies that the PCI configuration space is accessible

 

 

as half-word bytes

 

 

● Verifies the address class code

 

 

● Performs a walking ones bit test on the status register,

 

 

latency timer, and interrupt line

 

 

● Verifies that the interrupt pin is logic-level high (1) after

 

 

reset

 

 

 

1

EBUS

This command:

 

DMA/TCR

● Performs a walking ones bit test

 

Registers

 

 

 

 

● Verifies that the status register is properly set

 

 

● Validates the DMA capabilities and FIFOs

 

 

 

Issue 3.3 February 2003 169

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Avaya 585-215-871 manual OpenBoot diagnostic tests, Obtest command number, Name
Page 168 Page 170

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