Digital Equipment DEC 3000 Series Service Information page 152

NI Diagnostic,
Examples
4–28
Continued
Table 4–15 NI Diagnostic Subtests
sUBtest
NAR
REGISTER
DMA_INIT
ILPBK
INTERRUPT
EXT_LPBK
1
CRC
RX_MISS_
1
BUFF
1
COLLISION
1
FILTER
INIT
1
TX_BUFF
1
Diagnostic can only be executed in service mode
This example runs the NI diagnostic:
Return
>>> T NI
This example runs the NI diagnostic and the NAR subtest:
Return
>>> T NI NAR
Description
Network address ROM test.
LANCE register test.
Initialize LANCE and test DMA logic test.
Internal loopback and DMA test.
Interrupt test.
External loopback test.
Tests internal loopback with CRC check.
Tests internal loopback with MISS error.
Tests internal loopback with collision.
Tests internal loopback with address filter
checking.
Initializes the NI chip.
Tests internal loopback with transmit buffer
error.
Continued on next page