Quantum 10K II - Manual (Page 146)

SCSI Description
Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives 5–79
MODE SELECT (6) Command (15h) (continued)
5.14.3.8 Notch and Partition Page (0Ch)
The Notch and Partition page contains parameters for drives that implement a
variable number of sectors per cylinder, and, support this page. Each section of the
logical unit with a different number of sectors is referred to as a
notch (or band).
Each notch must span a set of consecutive logical blocks in the logical unit, the
notches must not overlay, and no logical blocks can be excluded from the notches.
Bit
Byte
7 6 5 4 3 2 1 0
0 PS Rsvd Page Code (0Ch)
1 Page Length (16h)
2 ND LPN Reserved
3 Reserved
4 – 5 Maximum Number of Notches
6 – 7 Active Notch
8 – 11 Starting Boundary
12 – 15 Ending Boundary
16 – 23 Pages Notched
Figure 5–34 Notch and Partition Page — Data Format