User`s manual

Running the Diagnostics and Debugger

1-12

Running the Diagnostics and Debugger

In order to use the diagnostics, terminate the start-up process by

pressing ESC or the Break key during one of the four pauses

(PowerPlus architecture boards in their default configuration may

not pause at any of the four places.) The diagnostics prompt

(PPC1-Diag>) appears. You may switch to the debugger prompt

(PPC1-Bug>) by using the SD command.

Both the debugger and diagnostic commands are available from the

diagnostic prompt. Only the debugger commands are available

from the debugger prompt.

You may view a list of the diagnostics or debugger commands by

using the HE (Help) command.

Note Some diagnostics depend on restart defaults that are

set up only in a particular restart mode. Refer to the

PPCBug Diagnostics Manual, PPCDIAA/UM, for the

correct mode.

Refer to the PPCBug Diagnostics Manual for complete descriptions

of the diagnostic routines available and instructions on how to

invoke them.

11EA Adding ISA device information

11EC Residual data completed

12nn Probing PCI conÞg space (board speciÞc)

Table 1-1. LED/Serial Startup Diagnostic Codes (Continued)

Code (Hex) Location in Startup