Dell PowerEdge 2970 Information Update - Page 6

System Setup Program Updates, Memory Optimizer Technology Feature, QDMA Mode Feature - bios

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System Setup Program Updates Memory Optimizer Technology Feature The current BIOS update provides a memory optimization feature on the Memory Information screen of the System Setup Program. The Memory Optimizer Technology option enables you to set the two DRAM controllers to work independently in parallel 64-bit mode (Advanced ECC is not available in this mode) or disable the feature to run the controllers in the default 128-bit mode with Advanced ECC. QDMA Mode Feature On the Integrated Devices screen, a QDMA Mode option is now available for the Embedded SATA field. When set to QDMA Mode, the embedded SATA controller supports ATAPI devices at an increased data transfer rate than the PIO rate that is supported in ATA Mode. A device driver must be installed on your operating system to use QDMA Mode. Demand-Based Power Management Feature The Demand-Based Power Management option on the CPU Information screen of the System Setup Program, which enables AMD PowerNow!™ technology features on your CPU(s), is not supported in Red Hat® Enterprise Linux® operating systems prior to version 5. SUSE® Linux Enterprise Server 10 fully supports demand-based power management. SUSE Linux Enterprise Server 9 supports demand-based power management on dual-core AMD processors, but not on the newer quad-core processors. Additional CPU Information On the CPU Information screen, the processor fields now indicate the family, model, and stepping of the specified processor. 6 Information Update

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6
Information Update
System Setup Program Updates
Memory Optimizer Technology Feature
The current BIOS update provides a memory optimization feature on the
Memory Information
screen of the System Setup Program. The
Memory
Optimizer Technology
option enables you to set the two DRAM controllers
to work independently in parallel 64-bit mode (Advanced ECC is not
available in this mode) or disable the feature to run the controllers in the
default 128-bit mode with Advanced ECC.
QDMA Mode Feature
On the
Integrated Devices
screen, a
QDMA Mode
option is now available for
the
Embedded SATA
field. When set to
QDMA Mode
, the embedded SATA
controller supports ATAPI devices at an increased data transfer rate than the
PIO rate that is supported in
ATA Mode
. A device driver must be installed
on your operating system to use
QDMA Mode
.
Demand-Based Power Management Feature
The
Demand-Based Power Management
option on the
CPU Information
screen of the System Setup Program, which enables AMD PowerNow!™
technology features on your CPU(s), is not supported in Red Hat
®
Enterprise
Linux
®
operating systems prior to version 5.
SUSE
®
Linux Enterprise Server 10 fully supports demand-based power
management. SUSE Linux Enterprise Server 9 supports demand-based power
management on dual-core AMD processors, but not on the newer quad-core
processors.
Additional CPU Information
On the
CPU Information
screen, the processor fields now indicate the family,
model, and stepping of the specified processor.