HP C2488A Technical Reference Manual page 102

Request Sense
Additional Sense Codes (continued)
Value Description
(hex)
40 RAM Failure
41 Data Path Diagnostic Failure
42 Power-On Diagnostic Failure
43 Message Reject Error
44
Internal Controller Error
45 Select/Reselect Failed
46 Unsuccessful Soft Reset
47 SCSI Interface Parity Error
48 Initiator Detected Error
49 Inappropriate/illegal Message
4C Microcode Programming Failed
4E Overlapped Commands Attempted
Information Bytes. Contain information relative to specific commands and specific devices.
Additional Sense Length. Specifies the number of additional Sense data bytes to follow. Set to
14 for SCSI (CCS) or 20 for SCSI-2.
Command Specific Information. Contains information dependent upon the command that was
executed. Specific details are included in appropriate command explanations.
Additional Sense Code Qualifier. Not supported, reported as zeros.
Failed Field Replaceable Unit (FRU). Refers to the Field Replaceable Unit (FRU) that caused
the current error reported in this Sense Key. This field will be set to 0 since FRU specific
error detection is not supported.
SKSV (Sense Key Specific Valid). Not supported, reported as zeros.
Device Error Field. Indicates device unique error codes designed to aid service personnel
in more detailed analysis of any drive faults. This field consists of four bytes, with the byte
positions determined by the interface version in use:
SCSI (CCS)
Byte
18
19
20-21
SCSI-2
Byte
24
25
26-27
Description
Vendor Unique DERROR Status Codes: listed in Appendix C
ESDI Status Byte
SCSI Status Bytes
• The contents of the Vendor Unique DERROR Status Code bytes are listed in Appendix C.
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The contents ofthe ESDI and SCSI status bytes are listed in the tables that follow.
A·46 SCSI Command Descriptions DRAFT
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