Hitachi Compute Blade 500 Series - Page 135

Menu items
Selection
1
Description
See System Memory Details on page
2-116.
Total Memory Size - Displays the total memory size.
Memory Voltage - Displays the memory operating
voltage.
Memory Mode • Lockstep
• <<Independent>>
Selects a memory operating mode.
Memory Speed •
<<Auto>>
• Force DDR4 1600
• Force DDR4 1866
• Force DDR4 2133
Sets a maximum value on memory
clock frequency.
Memory Power
Management
2
• Disable
• <<Automatic>>
Sets Memory Power Management.
Socket Interleave • Non-NUMA
• <<NUMA>>
Sets Memory Socket Interleave.
Patrol Scrub
2
• <<Enable>>
• Disable
Sets the patrol scrubbing which
proactively searches the memory to
repair correctable errors.
Memory Data
Scrambling
2
• Disable
• <<Enable>>
Sets the memory data scrambling.
Mirroring
3
• <<Disable>>
• Enable
Sets the memory mirroring.
Sparing
3
• <<Disable>>
• Enable
Sets the memory sparing.
Multi Rank Sparing • <<One Rank>>
• Two Rank
• Three Rank
• Auto
Set Multi Rank Sparing number, Auto
can Support 50% ranks per channel.
Shown with the server blade
firmware version 09-11 or later.
Memory Deconfigure
Mode
Memory which are plugged in can be
disabled by this menu.
Memories can be disabled/Enabled
per memory controller.
See
Memory Deconfigure Mode
Details on page 2-117.
Notes:
1. A value in double angle brackets, << >>, shows the default.
2. If you change a setting of this item, the EFI might not start. Do not change any
setting.
3. When Mirroring is enabled, you cannot set Sparing. Conversely, when Sparing is
enabled, you cannot set Mirroring.
UEFI setup menu
2-115
Hitachi Compute Blade 500 Series EFI User's Guide