Hitachi 220H Bios Manual page 136

4. Click Change.
5. The following window is displayed. Click Yes.
– When you specify Write Through to Default Write
– When you specify Always Write Back to Default Write
– When you specify Write Back With BBU to Default Write
2-72
The following window is displayed after above window is displayed
when you specify Write Back With BBU to Default Write.
Click Yes.
MegaRAID WebBIOS
Hitachi Compute Rack 210H/220H BIOS Guide