Quantum Audio STT2401A Manuel D’Utilisation
ATAPI Interface
Chapter 5
Seagate Travan 40 Product Manual
Page 93
CHECK POWER MODE (ATA Command E5)
The CHECK POWER MODE command allows the Host to determine the power
mode of the selected device. The device does not disconnect from the bus while
executing this command.
mode of the selected device. The device does not disconnect from the bus while
executing this command.
Host Taskfile Registers—Inputs
Data Bits
Host Taskfile
Register
Register
7
6
5
4
3
2
1
0
HEX
Features
N/A
N/A
Sector Count
N/A
N/A
Sector Number
N/A
N/A
Byte Count
High
High
N/A
N/A
Byte Count
Low
Low
N/A
N/A
Device/Head
rsvd
LBA
rsvd
DEV
SAM LUN (not used)
Command
command
E5
Host Taskfile Registers—Normal Outputs
Data Bits
Host Taskfile
Register
Register
7
6
5
4
3
2
1
0
HEX
Error
rsvd
tag type (not supported)
MCH
ABRT
EOM
ILI
00
Sector Count
N/A
N/A
Sector Number
result value
00h
device is in Standby mode
80h
device is in Idle mode
FFh
device is in Active or Idle mode
N/A
Byte Count
High
High
N/A
N/A
Byte Count
Low
Low
N/A
N/A
Device/Head
rsvd
LBA
rsvd
DEV
SAM LUN (not used)
Status
BSY
RDY
rsvd
DSC
DRQ
Corr
rsvd
CHK
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