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CDU-541 CD-ROM DRIVE SCSI INTERFACE MANUAL
5.2.25. RECEIVE DIAGNOSTIC RESULTS Command
==============================================================================
Bit:
7
6
5
4
3
2
1
o
Byte :
==============================================================================
o
I
Operation Code (lCh)
:
-----:-----------------------------------------------------------------------:
1
: Logical Unit Number
Reserved
:
-----1-----------------------------------------------------------------------:
2
:
Reserved
:
-----1-----------------------------------------------------------------------1
3
i
(MSB)
i
-----1---
Allocation Length
---I
4
i
(LSB)
i
-----1-----------------------------------------------------------------------1
5
I
Control Byte
I
==============================================================================
The RECEIVE DIAGNOSTIC RESULTS command requests analysis data be sent to the
initiator after completion of a SEND DIAGNOSTIC command.
The RECEIVE DIAGNOSTIC data contains an eight-byte parameter list defined as
follows.
Table
5-~7:
Receive Diagnostic Data
==============================================================================
Bit:
7
6
5
4
3
2
1
o
Byte I
=============================================================================-
o
I
I
Reserved
-----1-----------------------------------------------------------------------
1
I
Parameter Length
-----1-----------------------------------------------------------------------
2
i
ROM Diagnostic
-----1-----------------------------------------------------------------------
3
:
RAM Diagnostic
-----1-----------------------------------------------------------------------
4
I
I
Data Buffer Diagnostic
-----i-----------------------------------------------------------------------
5
I
I
Interface Diagnostic
-----1-----------------------------------------------------------------------
6
i
Reserved
I
-----1-----------------------------------------------------------------------1
7
i
Reserved
==============================================================================
The parameter length specifies the length in bytes of the following SEND
DIAGNOSTIC parameters.
The sense data length does not include itself.
A value of zero in any field indicates that the diagnostic if requested
passed.
5-49
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