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Hardware Reference 61
C613-03087-00 Rev E
3. Enable diagnostics mode during start-up.
During the router start-up process, at the prompt:
Force EPROM download (Y)?
press [Ctrl/D] on the terminal to enter diagnostics mode. A banner page is
displayed on the terminal (Figure 35). This can be used to check that the
terminal is correctly connected.
!
Caution Running the battery-backed RAM test, Full Flash test, or
Totally Erase Flash option will cause important system files to be
deleted. These will need to be reinstalled before the router can function
normally.
Figure 35: Diagnostics banner page.
Figure 36: Example diagnostics banner page for the AR770S
To run a diagnostic program, enter the corresponding letter or number. There
are several sub-menus to cover all the different options. Table 13 lists the keys
that control the basic operation of the diagnostics.
Diagnostics are designed to be used with all models of the router, and therefore
some instances of particular tests will not be appropriate for some models. A
reasonable level of understanding of the system structure is needed to operate
* * * Diagnostic Mode * * *
version: 12-Jan-2005
Main Menu:
0. Restart
1. Full RAM test
2. ROM checksum test
3. LED test
4. Dump or Modify
Enter selection ==>
* * * Diagnostic Mode * * *
version: Jul 8 2005 11:20:29
Main Menu:
0. Restart
1. Full RAM test
2. ROM checksum test
5. Battery backed RAM test
9. LED test
A. Dump or Modify
Enter selection ==>
Table 13: Basic commands for running diagnostics
Key Function
Q Quits any running tests and displays the banner page.
S Prints a summary of test results so far.