Hitachi HTS421212H9AT00 - Travelstar 120 GB Hard Drive Specifications page 131

85 74XXH
* indicates the use of those parameters that are vendor specific.
** indicates a feature that is able to be unsupported by the Device Configuration Overlay command.
Command set/feature enabled
15(=0) Obsolete
14(=1) 1=NOP command supported
13(=1) 1=READ BUFFER command supported
12(=1) 1=WRITE BUFFER command supported
11(=0) Reserved
**10(=1) 1=Host Protected Area Feature Set supported
9(=0) 1=DEVICE RESET command supported
8(=0) 1=SERVICE interrupt enabled
7(=0) 1=release interrupt enabled
6(=X) 1=look-ahead enabled
5(=X) 1=write cache enabled
4(=0) 1=supports PACKET Command Feature Set
3(=1) 1=supports Power Management Feature Set
2(=0) 1=supports Removable Media Feature Set
1(=X) 1=Security Feature Set enabled
0(=X) 1=S.M.A.R.T. Feature Set enabled
Travelstar 4K120 Hard Disk Drive Specification
117