IBM IC35L036UWDY10 Hard Drive Specifications - Page 113

Mode Verify Error Recovery Parameters, Verify Recovery Time Limit, Reserved

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8.8.7 Mode Page 7 (Verify Error Recovery Parameters) Bit Byte 7 6 5 4 3 2 0 PS RSVD=0 Page Code = 07h 1 Page Length = 0Ah 2 Reserved EER=0 PER 3 Verify Retry Count 4 Correction Span (Ignored) 5 Reserved 6 Reserved 7 Reserved 8 Reserved 9 Reserved 10 (MSB) 11 Verify Recovery Time Limit 1 0 DTE=0 DCR (LSB) Default 87h 0Ah 00h 01h 00h 00h 00h 00h 00h 00h 00h 00h Figure 92. Mode Page 7 (Verify Error Recovery Parameters) The Verify recovery parameters are used for VERIFY command and verify potion of WRITE AND VERIFY command. PER, DTE, and DCR settings in page 7 override those of page 1 during VERIFY and verify portion of WRITE AND VERIFY commands. ! PER. See below for description of bit values. ! DTE must be zero since the drive always continues on recovered verify operation errors. ! DCR. See below for description of bit values. There are only four valid conditions for the PER, DTE, and DCR bits. All other combinations return CHECK CONDITION status. PER DTE DCR 0 0 0 1 0 0 0 0 1 1 0 1 DESCRIPTION Soft errors are not reported. ECC is applied to recover the data. Soft errors are reported. ECC is applied to recover the data. Soft errors are not reported. ECC is not used to recover the data. Soft errors are reported. ECC is not used to recover the data. ! Verify Retry Count sets a limit on the amount of ERP steps the drive attempts when recovering errors during processing of VERIFY or WRITE AND VERIFY command. A value of 0 disables all recovery. A values of 1 enables all steps of ERP. Only the values of 0 and 1 are valid. ! Verify Correction Span is ignored. Ultrastar 146Z10 hard disk drive specifications 97

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8.8.7 Mode Page 7 (Verify Error Recovery Parameters)
00h
11
00h
(MSB)
Verify Recovery Time Limit
(LSB)
10
00h
Reserved
9
00h
Reserved
8
00h
Reserved
7
00h
Reserved
6
00h
Reserved
5
00h
Correction Span (Ignored)
4
01h
Verify Retry Count
3
00h
DCR
DTE=0
PER
EER=0
Reserved
2
0Ah
Page Length = 0Ah
1
87h
Page Code = 07h
RSVD=0
PS
0
0
1
2
3
4
5
6
7
Default
Bit
Byte
Figure 92. Mode Page 7 (Verify Error Recovery Parameters)
The Verify recovery parameters are used for VERIFY command and verify potion of WRITE AND VERIFY
command.
PER, DTE, and DCR settings in page 7 override those of page 1 during VERIFY and verify portion of
WRITE AND VERIFY commands.
!
PER.
See below for description of bit values.
!
DTE
must be zero since the drive always continues on recovered verify operation errors.
!
DCR.
See below for description of bit values.
There are only four valid conditions for the PER, DTE, and DCR bits. All other combinations return
CHECK CONDITION status.
PER
DTE
DCR
DESCRIPTION
0
0
0
Soft errors are not reported. ECC is applied to recover the data.
1
0
0
Soft errors are reported. ECC is applied to recover the data.
0
0
1
Soft errors are not reported. ECC is not used to recover the data.
1
0
1
Soft errors are reported. ECC is not used to recover the data.
!
Verify Retry Count
sets a limit on the amount of ERP steps the drive attempts when recovering
errors during processing of VERIFY or WRITE AND VERIFY command. A value of 0 disables all
recovery. A values of 1 enables all steps of ERP. Only the values of 0 and 1 are valid.
!
Verify Correction Span
is ignored.
Ultrastar 146Z10 hard disk drive specifications
97