SCS I Description
M axtor Atlas 10K III 5-73
Th e MODE SEL E CT (1 0) command all ows th e ini tiato r to m odify certain mode
pages and thereby control some of the drive’s operat ional c h arac teristics . Refer to
MOD E SELECT (6) for additional descriptions. See Table 5-85 for the data format
of the MODE SELECT (10) Command Descriptor Block. See MODE SELECT (6),
Table 5-88, for descriptions of the fields. See Table 5-86 for the Mode Parameter
Header (10 Byte) — Data Format and Table 5-87 for the Mode Parameter Block
Descriptor – Data Format. See Tabl e 5-52 for mode parameter block field
descriptions.
MODE SELEC T (10) Command Descriptor Block-Data Format
Mode Par ameter Header (10-Byte)-Data Format
Mode Parameter Block Descriptor-Data Format
0 Opera tion C ode (5 5h )
1 Reserved PF Reserved SP
2 - 6 Re served
7 - 8 Para meter List Lengt h
9 Control
0 - 1 (MSB)
Mode Data Length
(LSB)
2 Medium Type
3 Device-Specific Parameter
4 - 5 Re served
6 - 7 (MSB)
Block Descriptor Length
(LSB)
0 - 3 (MSB)
Number of Bl ocks
(LSB)
4 Density Code
5 - 7 (MSB)
Block Length
(LSB)