Hitachi IC25N040ATMR04-0 Specifications - Page 129

Idle E3h/97h

Page 129 highlights

13.9 Idle (E3h/97h) Table 80: Idle command (E3h/97h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count V V V V V V V V LBA Low LBA Mid LBA High Device 1-1 D---- Command 1 1 1 0 0 0 1 1 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count LBA Low LBA Mid LBA High Device Status see below Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0V - 0 - V When the power save mode is Standby mode, the Idle command causes the device to enter Performance Idle mode immediately and sets the auto power down time-out Parameter (standby timer). At the set of the auto power down time-out parameter (standby timer) the point timer starts counting down. When the power save mode is already any idle mode, the device remains in that mode. When the Idle mode is entered, the device is spun up to operating speed. If the device is already spinning, the spin up sequence is not executed. During Idle mode the device is spinning and is ready to respond to host commands immediately. Input parameters to the device Sector Count This indicates the Time-out Parameter. If it is zero, the time-out interval (Standby Timer) is NOT disabled and the time-out interval is set automatically for 109 minutes. If it is other than zero, the time-out interval is set for (Time-out Parameter × 5) seconds. The device will enter Standby mode automatically if the time-out interval expires with no device access from the host. The time-out interval will be reinitialized if there is a device access before the time-out interval expires. Travelstar 80GN Hard Disk Drive Specification 119

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Travelstar 80GN Hard Disk Drive Specification
119
13.9
Idle (E3h/97h)
Table 80: Idle command (E3h/97h)
When the power save mode is Standby mode, the Idle command causes the device to enter Performance Idle mode
immediately and sets the auto power down time-out Parameter (standby timer). At the set of the auto power down
time-out parameter (standby timer) the point timer starts counting down. When the power save mode is already any
idle mode, the device remains in that mode.
When the Idle mode is entered, the device is spun up to operating speed. If the device is already spinning, the spin
up sequence is not executed.
During Idle mode the device is spinning and is ready to respond to host commands immediately.
Input parameters to the device
Sector Count
This indicates the Time-out Parameter. If it is zero, the time-out interval (Standby Timer)
is NOT disabled and the time-out interval is set automatically for 109 minutes. If it is other
than zero, the time-out interval is set for (Time-out Parameter × 5) seconds.
The device will enter Standby mode automatically if the time-out interval expires with no
device access from the host. The time-out interval will be reinitialized if there is a device
access before the time-out interval expires.
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Data
- - - - - - - -
Data
- - - - - - - -
Feature
- - - - - - -
Error
see below
Sector Count
V V V V V V V V
Sector Count
- - - - - - - -
LBA Low
- - - - - - - -
LBA Low
- - - - - - - -
LBA Mid
- - - - - - - -
LBA Mid
- - - - - - - -
LBA High
- - - - - - - -
LBA High
- - - - - - - -
Device
1 - 1
D - - - -
Device
- - - - - - - -
Command
1 1 1 0 0 0 1 1
Status
see below
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC UNC 0 IDN 0 ABT T0N AMN
BSY RDY DF DSC DRQ COR IDX ERR
0
0
0
0
0
V
0
0
0
V
0
V
-
0
-
V