Local Area Network Address Rom Test - DEC Digital Alpha VME 4/224 User Manual

Local Area Network Address ROM Test

Local Area Network Address ROM Test
This diagnostic tests the integrity of the Local Area Network (LAN) address
ROM, decoders, and printed circuit board module etch. The LAN address ROM
contains the Ethernet station address of the module.
LAN Address ROM Dump
This diagnostic dumps the contents of the 32 octets within the LAN address ROM
to the screen. No verification of the data is performed.
Console Command: enet_diag -t 1
Command Options:
• -dd: enables printing LAN address ROM to screen
• -np: no print, if specified, LAN address ROM is not printed to screen
Miscellaneous Notes
• The LAN address ROM octets must be read by using longword aligned byte
accesses.
• This diagnostic is an extended test.
LAN Address ROM Verification Test
This test verifies the format of the data in the LAN address ROM. It verifies
that the octets are ordered appropriately and that the checksums are correctly
calculated based on the LAN address.
Console Command: enet_diag -t 2
Command Option:
-dd: enables printing LAN ROM address to screen
Miscellaneous Notes
• The LAN address ROM octets must be read by using longword aligned byte
accesses.
• This test is considered a POST diagnostic.
4–22 Diagnostics