SCS I Description
M axtor Atlas 10K III 5-75
The MODE SEN SE ( 6) co m m a n d allows the initiato r to re a d th e d r i v e 's sector
descriptor and mode pages. The MODE SENSE Command De scriptor Sector is
shown in Table 5- 89 and the data fields are descri bed in Table 5-90. The Mode
Parameter Header is shown in Ta ble 5-91 and the data fields are described in
Tab l e 5-92.
MODE SE N SE (6) C o m mand Descr i p t o r B lock-Dat a Format
MODE SENSE Com m a nd-Fie ld De scriptions
Mode Parameter Header (6 Byte)-Data Fo r ma t
0 Operation Code (1Ah)
1 Reserved DBD Reserved
2 PC Page Code
3 Sub Page Code
4 Allocation Length
5 Control
DBD Disable Block Descriptor. When the value is 0, the drive returns its Block
Descriptor followed by the requested page(s). When the value is 1, the drive
returns only the re quested pages.
PC
Page Control. Determin es which type of page val ues are returned. These
values are:
00b Current
01b Changeable
10b Default
11b Saved
Page Code
The Page Code f ield determ ines t he pages t o be retur ned to t he ini tiato r in
the command's data-in buffer tr ansfer. Refer to Table 5- 53 and Tabl e 5-93
for a complet e l ist of the Mode Pages (changea ble and rea d-only). A Page
Code of 3Fh causes all supported pages to be returned.
0 Mode Data Length
1 Medium Type
2 Device-Specific Parameter
3 Block De s c riptor Le ngth