AT&T 3B2 Off-Line Diagnostic Manual page 362

Phase Descriptions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14. The Receive Buffer Descriptor (RBD) is checked for the end of the frame
(Test 22).
15. The RBD is checked for the use of the Receive buffer (Test 23).
16. The actual byte count of the packet received is checked (Test 24).
17. The CA is serviced.
Hardware Tested: The INTEL 82586 Ethernet Controller is tested.
Data Returned: The test number that failed, the actual data, and the expected data are returned.
Test Number: 25
Function: This test verifies that the INTEL 82586 Ethernet Controller interface to the NI
Address/Data bus is functional.
Procedure: A string comparison between the Receive buffer and the Transmit buffer is
performed. The CA can then be serviced.
Hardware Tested: The INTEL 82586 Ethernet Controller interface to the NI Address/Data bus is
tested.
Data Returned: The test number that failed, the actual data, and the expected data are returned.
Test Number: 500
Function: This test verifies that the INTEL 82586 Ethernet Controller Control/Status bus
interface is functional.
Procedure: The CA acknowledge flags are checked to determine if they have been cleared.
Hardware Tested: The INTEL 82586 Ethernet Controller Control/Status bus interface is tested.
Data Returned: The number of the failing test is returned, and the both actual and expected
values are checked to be dead.
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