Owner`s manual
DRAFT
B.1 Overview of KA66A LEDs
System power-up self-test runs four sets of tests. The results
of these tests are displayed on the LEDs of the KA66A
processor.
Figure B–1: KA66A LEDs After Power-Up Self-Test
SELF-TEST PASSED
RED
YELLOW
ON
BOOT CPU
SELF-TEST FAILED
OFF (Indicates
failure in KA66A tests )
msb-0710B-91
MOST
SIGNIFICANT
BIT
FAILING
TEST NUMBER
(BINARY-CODED
DECIMAL)
ON
SECONDARY CPU
OFF
ON
ON
OFF
OFF
ON
ON
ON
ON (With DWMBB yellow
LED off, indicates failure in
DWMBB tests)
B–2 VAX 6000: Installing Model 600 Processors