Memory Diagnostic Subtests - Digital Equipment 300 Series AXP Reference Manual

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TEST
Table 4–17 Memory Diagnostic Subtests
Test Name
addr
all
bits
cell
init
llsc
?
The following is the command format for the memory test:
>>> t[est] mem test_name
Result (on error):
?? 8 yz MEM xxxxxxxx
Example: test
Diagnostic testing of the nonvolatile RAM (NVR) tests the
nvr Command
TOY/NVR controller that is located on the system module.
Table 4–18 lists and describes the parameters. All reported
errors contain a hexadecimal longword of data, and the FRU
code 001 to help locate the failing component. Table 4–18
describes each NVR test and the mode in which it is run.
4–68
Description
Detects addresses stuck at
faults
Performs all tests
Detects marching ones in
a field of zeros; single-bit
parity testing, every bit in
each longword
Detects data stuck at
faults
Initializes all memory to
zeros
Tests the load-locked/store
conditional
Lists subtests and options
Return
Test
Require-
Mode
ments
Console
None
Console
None
Console
None
Console
None
Console
None
Console
MOP
must be
set OFF
Console
None
Service

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