Hitachi 7K500 250GB HTS725025A9A364 Manuel D’Utilisation

Codes de produits

HTS725025A9A364

7K500 OEM Specification

Page 101 of 176

14.10

14.10 Idle (E3h/97h)

Idle (E3h/97h)

Command Block Output Registers

Command Block Input Registers

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

- - - - - - - - Device

- - - - - - - -

Command

1 1 1 0 0 0 1 1 Status

...See Below...

Error Register

Status Register

CRC UNC

IDN

ABT T0N AM

BSY RDY

DSC DRQ COR IDX ERR

Table 65 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  set  auto  power  down  timeout  parameter(standby  timer).
And  then  the  timer  starts  counting  down.  When  the  device’s  power  save  mode  is  already  any  idle
mode, the device keep 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 ready to respond to host commands immediately.

Output Parameters To The Device
Sector Count

Timeout Parameter. If zero, the timeout interval(Standby Timer) is disabled. If other than
zero, the timeout interval is set for (Timeout Parameter x5) seconds.
The device will enter Standby mode automatically if the timeout interval expires with no
device access from the host. The timeout interval will be reinitialized if there is a device
access before the timeout interval expires.