Dell PowerEdge M620 Owners Manual - Page 15

SATA Settings Screen, Adjacent Cache Line Prefetch

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Menu Item Description Adjacent Cache Line Prefetch Allows you to optimize the system for applications that require high utilization of sequential memory access. By default, the Adjacent Cache Line Prefetch option is set to Enabled. You can disable this option for applications that require high utilization of random memory access. Hardware Prefetcher Allows you to enable or disable hardware prefetcher. By default, the Hardware Prefetcher option is set to Enabled. DCU Streamer Prefetcher Allows you to enable or disable DCU streamer prefetcher. By default, the DCU Streamer Prefetcher option is set to Enabled. DCU IP Prefetcher Allows you to enable or disable DCU IP prefetcher. By default, the DCU IP Prefetcher option is set to Enabled. Execute Disable Allows you enable or disable execute disable memory protection technology. By default, the Execute Disable option is set to Enabled. Number of Cores per Allows you to control the number of enabled cores in each processor. By default, the Number Processor of Cores per Processor option is set to All. Processor 64-bit Support Specifies if the processor(s) support 64-bit extensions. Processor Core Speed Displays the maximum core frequency of the processor. Processor Bus Speed Displays the bus speed of the processors. NOTE: The processor bus speed option is displayed only when both the processors are installed. Processor X Family- Displays the family and model number of each processor. A submenu displays the core speed, Model-Stepping the amount of cache memory, and the number of cores of the processor(s). SATA Settings Screen Menu Item Embedded SATA Port A Port B Description Allows the embedded SATA to be set to Off, ATA, AHCI, or RAID modes. By default, Embedded SATA is set to AHCI. Auto enables BIOS support for the device attached to SATA port A. Off disables BIOS support for the device. By default, Port A is set to Auto. Auto enables BIOS support for the device attached to SATA port B. Off disables BIOS support for the device. By default, Port B is set to Auto. Boot Settings Screen Menu Item Boot Mode Description Allows you to set the boot mode of the system. 15

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Menu Item
Description
Adjacent Cache Line
Prefetch
Allows you to optimize the system for applications that require high utilization of sequential
memory access. By default, the
Adjacent Cache Line Prefetch
option is set to
Enabled
. You can
disable this option for applications that require high utilization of random memory access.
Hardware Prefetcher
Allows you to enable or disable hardware prefetcher. By default, the
Hardware Prefetcher
option is set to
Enabled
.
DCU Streamer
Prefetcher
Allows you to enable or disable DCU streamer prefetcher. By default, the
DCU Streamer
Prefetcher
option is set to
Enabled
.
DCU IP Prefetcher
Allows you to enable or disable DCU IP prefetcher. By default, the
DCU IP Prefetcher
option is
set to
Enabled
.
Execute Disable
Allows you enable or disable execute disable memory protection technology. By default, the
Execute Disable
option is set to
Enabled
.
Number of Cores per
Processor
Allows you to control the number of enabled cores in each processor. By default, the
Number
of Cores per Processor
option is set to
All
.
Processor 64-bit
Support
Specifies if the processor(s) support 64-bit extensions.
Processor Core
Speed
Displays the maximum core frequency of the processor.
Processor Bus Speed
Displays the bus speed of the processors.
NOTE:
The processor bus speed option is displayed only when both the processors are
installed.
Processor
X
Family-
Model-Stepping
Displays the family and model number of each processor. A submenu displays the core speed,
the amount of cache memory, and the number of cores of the processor(s).
SATA Settings Screen
Menu Item
Description
Embedded SATA
Allows the embedded SATA to be set to Off, ATA, AHCI, or RAID modes. By default, Embedded
SATA is set to
AHCI
.
Port A
Auto enables BIOS support for the device attached to SATA port A. Off disables BIOS support
for the device. By default, Port A is set to
Auto
.
Port B
Auto enables BIOS support for the device attached to SATA port B. Off disables BIOS support
for the device. By default, Port B is set to
Auto
.
Boot Settings Screen
Menu Item
Description
Boot Mode
Allows you to set the boot mode of the system.
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