Checksum Error - Compaq AlphaServer ES45 Service Manual

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3.4.2

Checksum Error

If no messages are displayed on the operator control panel after the
Jump to Console message, the console firmware is corrupted. When
the system detects the error, it attempts to load a utility called the fail-
safe loader (FSL) so that you can load new console firmware images. A
sequence similar to the one in Example 3–4 occurs.
Example 3–4 Checksum Error and Fail-Safe Load
Loading console
Console ROM checksum error
Expect: 00000000.000000FE
Actual: 00000000.000000FF
XORval: 00000000.00000001
Loading program from floppy
Code execution complete (transfer control)
OpenVMS PALcode V1.91-33, Tru64 UNIX PALcode V1.87-27
starting console on CPU 0
.
.
.
starting drivers
entering idle loop
P00>>> boot update_cd
3-16
ES45 Service Guide

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