M2488 PRODUCT GUIDE MAINTENANCE AND SERVICING
April 1997 CG00000-011503 REV. A 8-15
8-3.2.5 Format 4 Sense Information for Diagnostic Errors
The Format 4 Sense Information for SCSI SEND DIAGNOSTIC command with SELFTEST bit
set is shown in Table 8-14 and described in Table 8-15.
Table 8-14. Format 04h Sense Information, Diagnostic Errors
BITS
BYTES 7 6 5 4 3 2 1 0
20-21 Interrupt Request Controller Mask (IRCM)
22-23 Fault Symptom Code (FSC)
24 Diagnostic Test List Node Number
25 Diagnostic Routine Number
26 Diagnostic Test Number
27 Diagnostic Error Code
28-31 Expected Value
32-35 Received Value
36-39 Address
40-43 Reserved (00000000h)
Table 8-15. Format 04h Sense Information, Diagnostic Errors Field Description
BYTE BIT VALUE DESCRIPTION
20-21 The current state of the Interrupt Request Controller Mask (IRCM) in the Processor
Companion Chip (PCC) at the time the diagnostic error was detected.
22-23 91A0h The Fault Symptom Code (FSC) indicating an error was detected while executing
diagnostic tests invoked through a SCSI SEND DIAGNOSTIC command with the
SELFTEST bit set.
24 0-7 The test list node number of the diagnostic test that detected an error from the list of
diagnostic tests that were executing.
25 0-7 The Diagnostic Routine number of the test that failed.
26 0-7 The Diagnostic Test number of the test that failed.
27 0-7 The Diagnostic Error Code number of the test that failed.
28-32 The value the diagnostic test expected (if applicable) at the time the error was detected.
33-36 The value the diagnostic test received at the time the error was detected (if applicable.)
37-40 The address that was accessed to obtain the received value at the time the error was
detected (if applicable.)