Idle Immediate (E1H) - Sony AIT-SDX460 Product Specifications Manual

6. ATA Command Specification
6.6.

Idle Immediate (E1h)

The IDLE IMMEDIATE command allows the host to immediately place the device in the Idle mode. INTRQ may be
asserted even though the device may not have fully transitioned to Idle mode. This command is emulated for
software compatibility.
Inputs
Register
Features
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
Device/Head register -
DEV indicates the selected device.
Normal outputs
Register
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Device/Head register -
DEV indicates the selected device.
Status register -
BSY is cleared to zero when the command is completed.
DRDY is set to one.
DF is cleared to zero.
DSC is set to one.
DRQ is cleared to zero.
CHK is cleared to zero.
Error outputs
Register
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Error register -
ABRT is set to one if the Sony ATAPI Drive is not able to complete the action requested by the
command.
Device/Head register -
DEV indicates the selected device.
6-16
7 6 5
1 na 1
7 6 5
1 na 1
BSY DRDY DF
7 6 5
na
1 na 1
BSY DRDY DF
4 3 2
na
na
na
na
na
DEV na na
E1h
4 3 2
na
na
na
na
na
DEV
DSC DRQ na
4 3 2
ABRT
na
na
na
na
DEV
DSC DRQ na
SONY AIT-1 Turbo drive SDX-460V series Ver.1.0
Idle Immediate
1 0
na na
1 0
na
na CHK
1 0
na
na
na CHK