Digital Equipment DECstation 5000/100 Series, Maintenance Manual

Page: 322 / 392

Cache Segment Test
The cache segment test checks individual cache segments.
To run the cache segment test, type
t 3/cache/seg [
cache
]
[ address ] and press Return.
When you type the cache segment test command,
Replace the optional cache parameter with a value that
specifies the cache you want to test.
Specify D to test the data cache. D is the default value.
Specify I to test the instruction cache.
Replace address with a specific address you want to test.
The default address is 80500000. Note that using the
optional address parameter correctly requires thorough
knowledge of the firmware specifications.
Cache segment test error messages
Cache segment test error messages have the form
?TFL: 3/cache/seg ( code : description )
?TFL 3/cache/seg indicates that the cache segment test
reported an error.
code
represents a number that identifies which portion of
the test failed.
description represents additional information that describes
the failure.
D–30 Base System Test Commands and Messages