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SCSI Description
Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
5–75
MODE SELECT (6) Command (15h) (continued)
Table 5–36 Caching Page — Field Descriptions (continued)
Default
Field
Value
Description
Minimum Pre-fetch
0
This field indicates the number of sectors that are to be pre-fetched.
See also MF.
Maximum Pre-fetch 0421h
This field indicates the maximum amount of data to pre-fetch into
the cache as a result of one READ command.
Not supported by
the drive.
Maximum Pre-fetch 0421h
Specifies an upper limit on the number of logical blocks
Ceiling
computed as the maximum pre-fetch. If this number of sectors is
greater than the maximum pre-fetch, then the number of logical
blocks to pre-fetch is reduced to the value stored in the maximum
pre-fetch ceiling field.
Not supported by the drive.
FSW
0
The Force Sequential Write bit.
Not supported by the drive.
LBCSS
0
The Logical Block Cache Segment Size bit.
Not supported by the
drive.
DRA
0
The Disable Read-Ahead bit.
Not supported by the drive.
VS
The Vendor-Specific bits.
Not supported by the drive.
Number of Cache
27
Ignored by the drive.
Segments
Cache Segment Size
0
Not supported by the drive.
Non-Cache Segment
0
Not supported by the drive.
Size
NOTE:
Fully supported fields are underlined. Unsupported and ignored fields are not underlined.
The PS bit is underlined, meaning it will be set on a MODE SENSE command, since the
page is savable.
Summary of Contents for Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB
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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...
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