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7
6
5
4
3
2
o
Troubleshooting and Diagnostics
7936 and 7937
o
0 - Correctable error
o
-
Uncorrectable error
o -
No error detected
• Pattern not used
o -
No errors in sector header
• One or more error. in sector header
o •
No errors in sector body (user data)
- One or more errors in user data
o •
No errors in CRC byte
• One or both CRC bytes in error
O· Parity error' bit clear in R/W controller
- Parity error bit set in R/W controller
o •
No data underrun/overrun fault
• Data underrun/overrun fault
o •
No errors in parity bytes
1 - One or more errors in parity bytes
• A parity error in the ERT log doe. not necessarily result in a data error.
S7.J7A1.'S
S7t37A14
This bit can only be .et if enabled during the ERT set up with the external
exerciser.
Log Error
0
e Byte
7
6
5
4
3
2
0
0
- ECC detected a correctable error
• ECC detected on uncorrectable error
Not used
0
- No error in sector header
• One or more errors in sector header
o •
No error in sector body (user data)
1
-
One or more errors in user data
o -
Data recovered on firs t retry
• Data not recovered on fir s t retry. or read retries not
01
lowed
0
- No errors in CRC bytes
• One or both CRe bytes in error
o •
No error in ECC par i ty bytes
1 •
One or more errors in ECC parity bytes
0
Data recovered with one or more read retries
• Unrecoverable data
FIgure
-
Run TIme Log Error
e Byte
8-9
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