Đã thử nhưng không có kết quả,
<key>GUI</key>
<dict>
<key>DefaultBootVolume</key>
<string>Mac 10.8.4</string>
<key>HideEntries</key>
<dict>
<key>InternalUEFI</key>
<true/>
</dict>
<key>Mouse</key>
<dict/>
<key>Theme</key>
<string>black_green</string>
<key>Timeout</key>
<integer>5</integer>
<key>Volumes</key>
<dict>
<key>Legacy</key>
<string>No</string>
<key>Hide</key>
<array>
<string>VOLUME_NAME</string>
<string>VOLUME_UUID</string>
<string>TODO_HIDE_VOLUME_BY_TYPE/GROUP</string>
</array>
</dict>
</dict>