User guide
<Description of major items> 
Adaptive Writeback 
Cache 
Adaptive Writeback Cache controls the write cache mode for all the logical 
drives per controller base.   
Checked: 
When the following conditions match, the write policy of all logical drives 
under the controller is set to “Write Through”, regardless of the write policy 
settings for the individual logical drive. 
- Operational Status: status EXCEPT FOR “Fully Charged” 
- Estimated Hold Time: less than 70 hours 
- Battery Temperature: Above 60 centigrade. 
Unchecked: 
The write cache mode of the individual logical drive depends on the settings 
of each logical drive. 
For details of the battery settings, see the “Battery” section described below. 
For details of the write cache mode settings for each logical drive, see “3.5.9 
Logical Drive.” 
Battery tab 
The Battery tab displays the current information on the battery if connected. 
<Description of major items> 
Operation Status  Fully Charged: The battery is fully charged. 
Charging: The battery is charging. 
Estimated Hold Time  Displays the estimated hold time of the battery. 
Battery Temperature  Displays the temperature of the battery. 
When no battery is connected, the message "No Battery detected" appears. 
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