ATA Bus Interface and ATA Commands
Quickview 40 20/30/40GB AT
5-15
128 Security
status
15-9:
Reserved
8:
Security level 0 = High, 1 = Maximum
7-6:
Reserved
5:
1 = Enhanced security erase supported
4:
1 = Security count expired
3:
1 = Security frozen
2:
1 = Security locked
1:
1 = Security enabled
0:
1 = Security supported
129-159 Vendor
specific
160
CFA power mode 1
15:
Word 160 supported
14:
Reserved
13:
CFA power mode 1 is required for one or more commands implemented by
the device
12:
CFA power mode 1 disabled
11-0:
Maximum current in ma
161-175
Reserved for assignment by the CompactFlash Association
176-205
Current media serial number
206-254
Reserved
255
Integrity word
15-8:
Checksum
7-0:
Signature
Table 5-2
Identify Drive Command Parameters
Word
CONTENT DESCRIPTION