Digital Equipment RW504-ZA, Service Manual

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Table 6–1 shows the values for n and m for 1.3-Gbyte with g=16 (1024 media).
Table 6–1 Values for n and m for 1.3-Gbyte with g=16 (1024 media)
Band n m
Data Band 0 27064 85
Data Band 1 28815 85
Data Band 2 30498 102
Data Band 3 32198 102
Data Band 4 33898 102
Data Band 5 35581 119
Data Band 6 37281 119
Data Band 7 38981 119
Data Band 8 40664 136
Data Band 9 42364 136
Data Band 10 44064 136
Data Band 11 45747 153
Data Band 12 47447 153
Data Band 13 49147 153
Data Band 14 50830 170
Data Band 15 52462 187
The format of 1.3-Gbyte media is often referred to as a ‘‘sliding sector’’ format.
This means that logical tracks do not necessarily align with physical revolutions.
Table 6–2 details the physical revolution to logical track layout for 1.3-Gbyte
media.
Table 6–2 Physical Revolution to Logical Track Layout
Zone or Band Physical Revolution Range Logical Track Range
Inner SFP (-369,-161) (-369,-161)
Inner Mfg (-128,-33) (-128,-33)
Data Band 0 (0,1349) (0,1599)
Data Band 1 (1350,2699) (1600,3299)
(continued on next page)
Theory of Operation 6–17