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661 Brea Canyon Rd., Suite 3
Walnut, CA 91789
tel: 909.598.7388, fax: 909.598.0218
© Copyright 2009 Acnodes, Inc.
All rights reserved. Product description and product specifications
are subject to change without notice. For latest product information,
please visit Acnodes’ web site at www.acnodes.com.
RMC 7132
1U Rackmount System
QPI L0s and L1
Select Enabled to lower the QPI power state. L0s and L1 are automatically selected by the
motherboard. The options are Disabled and Enabled.
Memory Frequency
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, and Force DDR-1333.
Memory Mode
The options are Independent, Channel Mirror, Lockstep and Sparing. Independent - All DIMMs are
available to the operating system.
Channel Mirror - The motherboard maintains two identical copies of all data in memory for redundancy.
Lockstep - The motherboard uses two areas of memory to run the same set of operations in parallel.
Sparing - A preset threshold of correctable errors is used to trigger fail-over. The spare memory is put
online and used as active memory in place of the failed memory.
Demand Scrubbing
Demand Scrubbing is a process that allows the North Bridge to correct correctable memory errors
found on a memory module. When the CPU or I/O issues a demand- read command, and the read
data from memory turns out to be a correctable error, the error is corrected and sent to the requestor
(the original source). Memory is updated as well. Select Enabled to use Demand Scrubbing for ECC
memory cor- rection. The options are Enabled and Disabled.
Patrol Scrubbing
Patrol Scrubbing is a process that allows the North Bridge to correct correctable memory errors de-
tected on a memory module and send the correction to the re- questor (the original source). When this
item is set to Enabled, the North Bridge will read and write back one cache line every 16K cycles, if
there is no delay caused by internal processing. By using this method, roughly 64 GB of memory
behind the North Bridge will be scrubbed every day. The options are Enabled and Disabled.
Throttling - Open Loop
If set to Enabled, Throttling - Open Loop will be activated when the projected memory temperature
exceeds a predefined trip-point. This process can effectively improve memory thermal performance.
The options are Disabled and Enabled.