Maxtor 5T010H1 Specification page 47

INTERFACE COMMANDS
Mode Set/Check Commands Mode Set/Check Commands Mode Set/Check Commands Mode Set/Check Commands Mode Set/Check Commands
Set Features Mode Set Features Mode Set Features Mode Set Features Mode Set Features Mode
Enables or disables features supported by the drive. When the drive receives this command it:
1. Sets BSY,
2. Checks the contents of the Features register,
3. Clears BSY and
4. Generates an interrupt.
If the value of the register is not a feature supported by the drive, the command is aborted.
The acceptable values in the Features register are defined as follows:
VAL UE DESC RIPTION
02h Enabled Wri te Cache
03h Set Transfer Mode based on value i n Sector Count regi ster
05h Enable Advanced Power Management
42h Enable Automatic Acousti c Management. The sector count regi ster c ontai ns the
Automati c Ac ous ti c Management level.
SEC TOR
F Fh
FEh
81h-FD h
80h
00h-7Fh
44h Length of data appended on Read Long/Wri te Long commands speci fied in the
Identify D evi ce i nformati on
55h Disable Read Look-ahead feature
66h Di sable reverting to Power-on defaults
82h D i sabl e Write Cache
85h Disable Advanced Power Management
AAh Enable Read Look-ahead feature
BBh 4 bytes of Maxtor speci fic data appended on Read Long/W ri te Long commands
C2h D i sable Automati c Acousti c Management
CC h Enable reverting to Power-on defaults
7 – 6
LEVEL
Maxtor specifi c
Maxi mum performance
Intermedi ate acousti c management levels
Mi ni mum acousti c emanation level
reserved