Lenovo ThinkSystem SD530 Manual page 25

Table 7. Memory details (continued)
Memory Speed
Memory Power Management
Socket Interleave
Patrol Scrub
Memory Data Scrambling
ADDDC Sparing
Page Policy
Cold Boot Fast
Memory Test
RAM Disk Configuration
Select the desired memory speed. [Maximum
• Minimal Power
Performance] mode maximizes performance. [Balanced]
• Balanced
mode offers a balance between performance and power.
[Minimal power] mode maximizes power savings. When a
• Max
preset mode is selected, the low-level settings are not
Performance
changeable and will be grayed out. If user would like to
change the settings, choose [Custom Mode] in
"Operating Mode" located under "System Setting"
submenu.
Max Performance is the default setting.
[Disable] provides maximum performance but minimum
• Automatic
power savings. [Automatic] is suitable for most
• Disable
applications. When a preset mode is selected, the low-
level settings are not changeable and will be grayed out. If
user would like to change the settings, please choose
[Custom Mode] in "Operating Mode" located under
"System Setting" submenu.
Disable is the default setting.
Sets Socket Interleave to NUMA(Non Unified Memory
• NUMA
Architecture) or Non-NUMA. [NUMA]: Memory is not
• Non-NUMA
interleaved across processors. [Non-NUMA]: Memory is
interleaved across processors.
Note: Changing this setting will require a Power Good
reset to take effect.
Enable/Disable "Patrol Scrub" which proactively searches
• Enable
the system memory to repair correctable errors. Enable is
• Disable
the default setting.
Memory Data Scrambling Disable/Enable. Enable is the
• Enable
default setting.
• Disable
Enable/Disable ADDDC Sparing. This setting is [Disable]
• Disable
and grayed out when Page Policy is [Adaptive]. Enabling
• Enable
ADDDC may cause reduced reliability of memory error
correction in virtual lockstep under rare conditions.
Disable is the default setting.
Adaptive Page Policy can improve performance for
• Adaptive
applications with a highly localized memory access
• Closed
pattern; Closed Page Policy can benefit applications that
access memory more randomly. This setting is [Closed]
and grayed out when ADDDC Sparing is [Enable].
Adaptive is the default setting.
Enable/Disable "Cold Boot Fast". Enable is the default
• Enable
setting.
• Disable
[Enable] Enables memory test during normal boot.
• Automatic
[Disable] - Disables this feature. [Automatic] - Skip
• Disable
memory test by default unless memory configuration
changed or greater than 90 days since last time test ran.
• Enable
Automatic is the default setting.
N/A Press Enter to create/remove RAM disks.
.
Chapter 3 System configuration and boot management
21