Supero X9SRD-F, User Manual

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Chapter 4: AMI BIOS
4-9
Data Direct I/O
Select Enabled to enable Intel I/OAT (I/O Acceleration Technology), which sig-
nificantly reduces CPU overhead by leveraging CPU architectural improvements
and freeing the system resource for other tasks. The options are Disabled and
Enabled .
DCA Support
This feature accelerates the performance of I/O devices using Direct Cache
Access. The default is
Enabled and can not be changed.
Port 2A Link Speed
This feature enables the user to select the target link speed for this slot. The
options are GEN1 , GEN2, and GEN3.
Port 2C Link Speed
This feature enables the user to select the target link speed for this slot. The
options are GEN1 , GEN2, and GEN3 .

DIMM Configuration
Memory Configuration
This section displays memory status such as Current Memory Mode, Memory
Speed, Mirroring and Sparing information.
 DIMM Information
This feature displays information regarding the installed memory.
Memory Mode
The only option is Independent , a feature that allows for all DIMMs to be avail-
able to the operating system.
DRAM RAPL Mode
RAPL which stands for Running Average Power Limit is a feature that provides
mechanisms to enforce power consumption limits on supported processors The
options are DRAM RAPL MODE0 ,
DRAM RAPL MODE1 , and Disabled.
DDR Speed
Use this option to force the system memory to run at a different frequency than
the default frequency. The available options are
Auto , Force DDR-800, Force
DDR-1066, Force DDR-1333, Force DDR3-1600 and Force SPD.