Super X10DRi, User Manual

Page: 81 / 117

Chapter 4: AMI BIOS
4-11
Rank Interleaving
Use this item to select a rank memory interleaving method. The options are Auto ,
1-Way, 2-Way, 4-Way, and 8-Way.
A7 Mode
Select Enabled to support the A7 (Addressing) mode to improve memory per-
formance. The options are
Enable and Disable.

DIMM Information
This item displays the status of a DIMM module specified by the user.
•
P1 DIMMA1
•
P1 DIMMB1
•
P1 DIMMC1
•
P1 DIMMD1

Memory RAS (Reliability_Availability_Serviceability)
Configuration
Use this submenu to configure the following Memory RAS settings.
RAS Mode
When Disable is selected, RAS is not supported. When Mirror is selected, the
motherboard maintains two identical copies of all data in memory for data backup.
When Lockstep is selected, the motherboard uses two areas of memory to run
the same set of operations in parallel to boost performance. The options are
Disable , Mirror, and Lockstep Mode.
Lockstep x4 DIMMs
Select Enable to enable Lockstep support for x4 DIMM modules. The options
are
Auto , Disabled, and Enabled.
Memory Rank Sparing
Select Enable to enable memory-sparing support for memory ranks to improve
memory performance. The options are
Disabled and Enabled.
Patrol Scrub
Patrol Scrubbing is a process that allows the CPU to correct correctable memory
errors detected on a memory module and send the correction to the requestor
(the original source). When this item is set to Enabled, the IO hub will read and