Hitachi 220H Bios Manual page 79

Menu items
4
Patrol Read Rate
3
Cache Flush Interval
4
Spinup Drive Count
4
Spinup Delay
Notes:
1 "Present" value is displayed when installed the RAID controller with cache backup module.
2 Do not use "Set Factory Defaults." This setting must be changed to the recommended values.
3 Always use the "Default" setting.
4 Always use the recommended values.
5 This can be changed only when no virtual drive have been set at all.
Place the mouse cursor on a setting item and left-click the mouse to
change the setting values. Or, left-click the mouse to move the cursor
and enter a value from the keyboard. Click Submit after the setting.
Hitachi Compute Rack 210H/220H BIOS Guide
Description
Priority of patrol reading
Flush timing for write-cache data
Number of disk motors to start at
system startup
Timing for disk motors to start at
system startup
MegaRAID WebBIOS
Setting/display value
0 to 100 / [30]
1 to 255 / [4]
0 to 8 / [1]
0 to xxx / [6]
2-15