Nvr Diagnostic Subtests - Digital Equipment 300 Series AXP Reference Manual

Table 4–18 NVR Diagnostic Subtests
Test Name
cpu
init
interrupt
nvr
toy
?
The following is the command format for the NVR test:
>>> t[est] nvr test_name
Result (on error):
?? 001 NVR xxxxxxxx
Example: test Diagnostic testing of the serial communications controller (SCC)
scc Command tests the functionality of the following:
•
•
•
•
•
All reported errors contain a hexadecimal longword of data,
and the FRU code 001 to help locate the failing component.
Table 4–19 describes each SCC test and the mode in which it is
run.
Description
Tests the CPU
Initializes the interval
timer registers
Tests the interval timer
Tests nonvolatile RAM
Tests the TOY (time of
year) clock
Lists subtests and options
Return
Data path to the SCC
Ability to operate in asynchronous mode
Data path from SCC to connectors on the back panel of the
system unit
DMA using the RS232 port
Keyboard/mouse port
TEST
Test
Require-
Mode ments
Console None
Console None
Console None
Console None
Console None
Console None
Service
4–69