K6602637
Rev.3
02.27.01
- 41 -
Table 6.5 Identify Device Information (Continued)
Word
Description
Value
(HEX.)
85
Command set/feature enabled
0000h or FFFFh = Command set notification not supported
Bit 15 0 = Reserved
Bit 14 1 = NOP command supported
Bit 13 1 = READ BUFFER command supported
Bit 12 1 = WRITE BUFFER command supported
Bit 11 0 = Reserved
Bit 10 1 = Host Protected Area feature set supported
Bit 9 1 = DEVICE RESET command supported
Bit 8 1 = SERVICE interrupt enabled
Bit 7 1 = Release interrupt enabled
Bit 6 1 = Look-ahead enabled
If word 85 bit 6 is set to one, read look-ahead
has been enabled via SET FEATURE command.
Bit 5 1 = Write cache enabled
If word 85 bit 5 is set to one, write cache
has been enabled via SET FEATURE command.
Bit 4 1 = Supports PACKET command feature set
Bit 3 1 = Supports power management feature set
Bit 2 1 = Supports removable feature set
Bit 1 1 = Supports Security Mode feature enabled
If word 85 bit 1 is set to one, the Security Mode
feature has been enabled via SECURITY SET PASSWORD
command.
Bit 0 1 = Supports SMART feature enabled
If word 85 bit 0 is set to one, the SMART feature
set has been enabled via SMART ENABLE OPERATIONS
command.
3468h
(at shipment)
86
Command set/feature enabled
0000h or FFFFh = Command set notification not supported
Bit 15 –9 0 = Reserved
Bit 8
1 = SET MAX security extension enabled by SET MAX
PASSWORD
Bit 7
1 = Address offset mode feature enabled
Bit 6
1 = SET FEATURES subcommand required to spin-up after
power-up
Bit 5
1 = Power-up in standby feature set enabled
Bit 4
1 = Removable Media Status Notification feature set enabled
Bit 3
1 = Advanced Power Management feature set enabled
Bit 2
1 = CFA feature set supported
Bit 1
1 = READ/WRITE DMA QUEUED supported
Bit 0
1 = DOWNLOAD MICROCODE command supported
0008h
87
Command set/feature default
0000h or FFFFh = Command set notification not supported
Bit 15 0 (fixed)
Bit 14 1 (fixed)
Bit 13 – 0 0 = Reserved
4000h
