SCSI Description
5–96
Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
MODE SELECT (6) Command (15h) (continued)
Table 5–43 Quantum-Unique Page — Field Descriptions (continued)
Field
Default
Description
ManCal
0
Manual Calibration. When set = 0, the disk drive runs
calibration and diagnostic procedures periodically.
When set = 1, calibrations occur only as a result of a REZERO
UNIT command.
Note that this bit is not saved by MODE SELECT when the value
of the SP field is 1.
DPER
1
Disable Post Error Recovery. When set = 1, disables Post Error
Recovery (refer to Read-Write Error Recovery Page, Section
5.17.3.3).
FAxRE
1
Force AxRE where x = W (WRITE) or R (READ)
When set = 0, the settings of AWRE/ARRE are as set in Mode
Page 01h (Read-Write Error Recovery Page).
When set = 1, Automatic WRITEs or READs are forced, even if
the related fields of Mode Page 01h are = 0.
QDER
0
Quick Disk Error Recovery. When set = 0, disk error recovery
has no 20msec limit.
When set = 1, disk error recovery time allotted is less than
20msec.
DFC
0
Disable Format Certification. If set = 1, format certification is
disabled regardless of the value of the DCRT bit in the FORMAT
Command’s parameter header.
Read Ahead Disable
0
If set = 1, disables READ ahead.
Enable Double Ack
0
If set = 1, disables the double acknowledge filter.
ESPDis
0
ESP Disabled. If this field = 1, ESP (anticipatory READ) is
disabled.
DFRCSU
0
Disable Filling of Revector Cache on Spin-Up. When this field =
1, revectoring cache is not refilled on spin-up.
AIP Gen Disable
0
Asynchronous Information Protection (AIP) Generation
Disabled. When set = 1, AIP generation is disabled.
AIP Check Enabled
0
AIP Checking Enabled.
The drive does not support AIP
Checking.
AIP Capable
1
If = 1, indicates drive is capable of AIP.
LogPgB
0
When this field = 0, “total bytes read/written” field on Log
Page 02h and 03h reported as number of
bytes
. When = 1,
field is reported as number of
blocks
.
(continued)
Summary of Contents for Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB
Page 15: ...Contents Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives xv...
Page 19: ...Contents Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives xix...
Page 25: ...About This Manual 1 4 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 55: ...Installation 3 28 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
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Page 315: ...Feature Descriptions 6 14 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 321: ...Appendix A Quick Reference A 6 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 363: ...Appendix B SCSI Bus Signal Timing B 42 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 369: ...Index I 4 Quantum Atlas 10K II Ultra 160 m SCSI Hard Disk Drives...
Page 370: ......
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