Hitachi Compute Blade 2000 User Manual page 148

 EFI setup
You can configure the main settings of EFI on the following screen.
# Item
1 Refresh
2 SMT (Simultaneous Multi-
Threading)
3 Turbo Mode
4 Hardware Prefetcher
5 Adjacent Cache Line
Prefetch
6 Memory Channel Mode
7 DDR Voltage (*1)
DDR: double data rate
Description
Reloads the information.
Disables or enables the SMT function of Intel
CPU.
Disable / Enable (Default)
Disables or enables the Turbo mode of Intel
CPU.
Disable / Enable (Default)
Disables or enables the Prefetch function of
the memory controller in Intel CPU.
Disable / Enable (Default)
Disables or enables the Adjacent Cache Line
Prefetch function of the memory controller in
Intel CPU.
Disable (Default) / Enable
Sets the operation mode of the memory
system.
Independent Channel Mode (Default)
Mirrored Channel Mode
Lockstep Channel Mode
Spare Channel Mode
Note: Do not use Lockstep Channel Mode
because it is not supported.
Note: If Xeon 5500 is installed on the server
blade, Spare Channel Mode cannot be used.
Sets the voltage for the memory system.
1.5 V (Default)
1.35 V
97