Hitachi IC25N040ATCS04-0 Specifications - Page 98
S.M.A.R.T. operation with power management modes
UPC - 683728198664
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11.8.6 S.M.A.R.T. operation with power management modes The device saves attribute values automatically on every head unload timing except the emergency unload, even if the attribute auto save feature is not enabled. The head unload is done not only by Standby, Standby Immediate, or Sleep command or Hard Reset, but also by the automatic power saving functions like ABLE-3 or Standby timer. So basically it is not necessary for a host system to enable the attribute auto save feature, when it utilizes the power management. If the attribute auto save feature is enabled, attribute values will be saved after 30minutes passed since the last saving, besides above condition. Hitachi Travelstar 60GH & 40GN hard disk drive specifications 85
11.8.6 S.M.A.R.T. operation with power management modes
The device saves attribute values automatically on every head unload timing except the emergency un-
load, even if the attribute auto save feature is not enabled.
The head unload is done not only by Standby,
Standby Immediate, or Sleep command or Hard Reset, but also by the automatic power saving functions
like ABLE-3 or Standby timer.
So basically it is not necessary for a host system to enable the attribute
auto save feature, when it utilizes the power management.
If the attribute auto save feature is enabled,
attribute values will be saved after 30minutes passed since the last saving, besides above condition.
Hitachi Travelstar 60GH & 40GN hard disk drive specifications
85