Quantum Audio STT3401A Manuel D’Utilisation
ATAPI Interface
Chapter 5
Seagate Travan 40 Product Manual
Page 105
IDLE (ATA Command E3)
This command is accepted but performs no function. This command normally allows
the Host to place the device in Idle mode using the standby timer. INTRQ is asserted
even though the device may not have fully transitioned to Idle mode.
the Host to place the device in Idle mode using the standby timer. INTRQ is asserted
even though the device may not have fully transitioned to Idle mode.
If the Sector Count register is non-0, then the Standby timer shall be enabled. The
value in the Sector Count register shall be used to determine the time programmed
into the Standby timer.
value in the Sector Count register shall be used to determine the time programmed
into the Standby timer.
If the Sector Count register is 0, then the Standby timer is disabled.
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
Standby timer setting:
00h timeout disabled
01h-F0h timeout= (value * 5) secs
F1h-FBh timeout= ( (value-240) * 30) min
FCh timeout= 21 minutes
FDh timeout= period between 8 and 12 hours
FEh reserved
FFh timeout= 21 min 15 sec
00h timeout disabled
01h-F0h timeout= (value * 5) secs
F1h-FBh timeout= ( (value-240) * 30) min
FCh timeout= 21 minutes
FDh timeout= period between 8 and 12 hours
FEh reserved
FFh timeout= 21 min 15 sec
Sector Number
N/A
N/A
Byte Count High
N/A
Byte Count Low
N/A
Device/Head
rsvd
LBA
rsvd
DEV
SAM LUN (not used)
Command
command
E3
Host Taskfile Registers—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
N/A
N/A
Byte Count High
N/A
N/A
Byte Count Low
N/A
N/A
Device/Head
rsvd
LBA
rsvd
DEV
SAM LUN (not used)
Status
BSY
RDY
rsvd
DSC
DRQ
Corr
rsvd
CHK
40 or 50