5 ata commands – FUJITSU MCM3064AP User Manual
Page 93

4.5 ATA Commands
C156-E227-01EN
4-23
4.5 ATA Commands
Table 4.17 lists supported ATA commands.
This section represents ODD registers as shown below.
Cylinders High/Low registers: CY
Sector register: SC
Device/Head register: DH
Sector Number register: SN
Features register: FR
Table 4.17 Command codes and parameters
Protocol
Command name
Command
Parameters used
Section
code
FR
SC
SN
CY
DH
PI
IDENTIFY PACKET DEVICE
A1h
D
4.5.1
−
PACKET
A0h
y
y
y
y
D
4.5.2
ND
DEVICE RESET
08h
D
4.5.3
ND
CHECK POWER MODE
E5h
y
D
4.5.4
ND
EXECUTE DEVICE
DIAGNOSTIC
90h
D*
4.5.5
ND
GET MEDIA STATUS
DAh
D
4.5.6
ND
IDLE IMMEDIATE
E1h
D
4.5.7
ND
NOP
00h
y
4.5.8
ND
SERVICE (Not supported)
42h
D
4.5.9
ND
SET FEATURES
EFh
y
y
D
4.5.10
ND
SLEEP
E6h
D
4.5.11
ND
STANDBY IMMEDIATE
E0h
D
4.5.12
−−
RESERVED: Other codes
Notes:
1.
y - This register contains parameters effective to run the command.
D - Indicates that only the Device parameter is effective and the LUN
parameter is ineffective.
D* - Device 0 is addressed, but both devices execute the command.
2.
The protocol above indicates the command protocol used.