Note: Do not change the settings of other than the following items. If you
change the settings, UEFI may not start up.
•
Memory Mode
• Sparing
• Memory Speed
• Socket Interleave
• Memory Deconfigure Mode
The following table shows description of menu items displayed in the left side
of the window.
Table 2-39 Memory menu items
Menu items
Selection
1
Description
System Memory Details - Displays the status of each system
memory.
See System Memory Details on page
2-45.
Total Memory Size - Displays the total memory size.
Memory Voltage - Displays the memory operating
voltage.
Memory Mode
2
• <<Independent>>
• Mirroring
Selects a memory operating mode.
Sparing
2
• <<Disable>>
• Enable
Select whether to enable memory
sparing.
Memory Speed • <<Auto>>
• Force DDR4 1600
• Force DDR4 1866
• Force DDR4 2133
Sets a maximum value on memory
clock frequency.
Memory Power
Management
• <<Disable>>
• Automatic
Sets Memory Power Management.
Socket Interleave • Non-NUMA
• <<NUMA>>
Sets Memory Socket Interleave.
Patrol Scrub • <<Enable>>
• Disable
Sets the patrol scrubbing which
proactively searches the memory to
repair correctable errors.
Memory Data
Scrambling
• Disable
• <<Enable>>
Sets the memory data scrambling.
Page Policy • Closed
• Open
• <<Adaptive>>
Sets the page policy.
Memory Deconfigure
Mode
- Memory which are plugged in can be
disabled by this menu.
2-44
UEFI setup menu
Hitachi Compute Blade 500 Series EFI User's Guide