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21020285 D User’s Guide
Chapter 7 Board-control Commands
Page 7 - 26 Diagnostic/Self-test (09H)
Status Block
Format
The Status Block returned from the Diagnostic/Self-test command looks like
this:
Description of
Fields
The Status Block returned from a Diagnostic/Self-test command contains these
fields:
Command Identifier
The value in this field will be identical to the Parameter Block Value.
Flags Byte
This byte is used to indicate command completion:
ERR Error Status - Indicates whether the command completed with an error.
0 ⇒ No error occurred.
1 ⇒ An error occurred.
CC Command Complete - Indicates if the command has finished.
0 ⇒ Command not complete.
1 ⇒ Command complete.
Error
This field contains error codes specific to the tests performed as well as those
error codes generated from system and SCSI bus errors. See Appendix A.
Address
Offset
Byte Memory Address
Offset + 0 Offset + 1 Offset + 2 Offset + 3
00H Command Identifier
04H Reserved Error Flags
08H Reserved
0CH Reserved
Table 81: Diagnostic Command Status Block
BITS
76543210
CCERR000000
Table 82: Bit-meanings of Flags Byte in Status Block