Request Sense
220 SL150 Interface Reference Manual Julyl 2017
Request Sense Data Definitions
TABLE 4-119 shows the Request Sense Data Definitions.
TABLE 4-119 Request Sense Data
Byte
Bit
76543210
0 Valid (0) Error Code (70h)
1 Segment Number (00h)
2 Reserved (0h) Sense Key
3
to
6
(MSB)
Information (00h)
(LSB)
7 Additional Sense Length (n-7)
8
to
11
(MSB)
Command Specific Information (00h)
(LSB)
12 Additional Sense Code
13 Additional Sense Code Qualifier
14 Field Replaceable Unit Code (00h)
15 SKSV C/D Reserved (0) BPV (0) Bit Pointer (0h)
16
to
17
(MSB)
Field Pointer
(LSB)
18 Reserved (00h)
19 Reserved (00h)
Request Sense Data Definitions:
Valid This bit indicates if the Information field contains valid data.
The library does not return data in the Information field. The value is 0.
Error Code This bit indicates if the error is current or deferred.
The library returns only current errors. The value is 70h.
Segment Number The library does not support segment numbers and returns a value of 00h.
Sense Key The Sense Key (SK) field, with the Additional Sense Code and Additional
Sense Code Qualifier fields, describes the error.
Information The library does not support this field and returns a value of 00h.
Additional Sense Length This field indicates the Additional Sense Length provided by the library
excluding this byte.
The typical value is 0Ch (12d).
Command Specific
Information
The library does not support this field and returns a value of 00h.
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