Fujitsu M2488, Product Manual

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M2488 PRODUCT GUIDE MAINTENANCE AND SERVICING
April 1997 CG00000-011503 REV. A 8-9
8-3.2 Sense Information Bytes 20-43
Refer to the correct sense information format in the following paragraphs.
8-3.2.1 Format 0 Sense Information Description for SIC
All bytes are 00h.
8-3.2.2 Format 01h Sense Information for FMT
The Format 01h Sense Information for FMT is shown in Table 8-6 and described in Table 8-7 and
Table 8-8.
Table 8-6. Format 01h Sense Information, FMT
BITS
BYTES 7 6 5 4 3 2 1 0
20 FMT ERPA Code
21 MC error MTU error 0 1 Retry Count
22-23 First Fault Symptom Code
24-25 Second Fault Symptom Code
26-27 Last Fault Symptom Code
28 Error Command Code
29-39 Additional Format Error Information Type
40-43 RBID (Block ID)
Table 8-7. Format 01h Sense Information, FMT Field Description
BYTE BIT VALUE DESCRIPTION
20 0-7 The FMT ERPA codes are the same as the ERPA codes defined for sense byte 19 in
Appendix C.
21 0-3 The Retry Count is incremented by one each time a re-read or re-write is performed in
the original direction of the command being processed.
21 6 The MTU Error bit is set when the error is known to be in the MTU.
21 7 The MC Error bit is set when the error is know to be in the Medium Changer.
22-27 The first symptom code represents the initial error condition detected, the second symp-
tom code represents the secondary error condition detected, and the third symptom code
represents the last error condition detected. See Appendix D for the fault symptom
codes.
28 0-7 This is the command code of the command being processed when the error was
detected.
29-39 The value in byte 29 determines the register for bytes 30-39. See Table 8-8.
40-43 The tape position at which the error was detected as expressed in the physical (byte 40)
and logical (bytes 41-43) Block ID.