M2488 PRODUCT GUIDE

MAINTENANCE AND SERVICING

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.

 

 

 

 

April 1997

CG00000-011503 REV. A

8-9

Page 319
Image 319
Fujitsu M2488 Sense Information Bytes, Format 0 Sense Information Description for SIC, Format 01h Sense Information, FMT