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SCSI Description
Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
5–73
MODE SELECT (6) Command (15h) (continued)
5.14.3.6 Caching Page (08h)
The Caching Page controls the drive’s cache management policy.
Bit
Byte
7
6
5
4
3
2
1
0
0
PS
Rsvd
Page Code (08h)
1
Page Length (12h)
2
Reserved
WCE
MF
RCD
3
Demand Read Retention Priority
Demand Write Retention Priority
4 – 5
Disable Pre-Fetch Transfer Length
6 – 7
Minimum Pre-Fetch
8 – 9
Maximum Pre-Fetch
10 – 11
Maximum Pre-Fetch Ceiling
12
FSW
LBCSS
DRA
VS
VS
Reserved
13
Number of Cache Segments
14 – 15
Cache Segment Size
16
Reserved
17 – 19
Non-Cache Segment Size
NOTES:
1. Fully supported and temporary fields are underlined. Informational fields are
not underlined. The PS bit is underlined, meaning it will be set on a MODE
SENSE command, since the page is savable
2. Bytes 12 to 19 are returned only if the device operating definition is SCSI-3.
Figure 5–32 Caching Page — Data Format
Summary of Contents for Quantum Atlas 10K II 9.2/18.4/36.7/73.4 GB
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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: ......
Page 371: ...500 McCarthy Blvd Milpitas CA 95035 408 894 4000 www quantum com June 8 2000 81 122517 04...