Intel S2600CP S2600CP/P4000CP family Service Guide - Page 125

Screen Field Descriptions, Disabled

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Hardware Installations and Upgrades To access this screen from the Main screen, select Advanced > PCI Configuration. To move to another screen, press the key to return to the Advanced screen, then select the desired screen. Figure 126. PCI Configuration Screen Advanced PCI Configuration Maximize Memory below 4GB Memory Mapped I/O above 4 GB Onboard Video Dual Monitor Video Enabled / Disabled Enabled / Disabled Enabled / Disabled Enabled / Disabled ► NIC Configuration Screen Screen Field Descriptions: 1. Maximize Memory below 4GB Option Values: Enabled Disabled Help Text: BIOS maximizes memory usage below 4GB for an OS without PAE support, depending on the system configuration. Only enable for an OS without PAE support. Comments: When this option is enabled, BIOS makes as much memory available as possible in the 32-bit (4GB) address space, by limiting the amount of PCI/PCIe Memory Address Space and PCIe Extended Configuration Space. This option should only be enabled for a 32-bit OS without PAE capability or without PAE enabled. Back to [PCI Configuration Screen] - [Advanced Screen] 2. Memory Mapped I/O above 4 GB Option Values: Enabled Disabled Help Text: Enable or disable memory mapped I/O of 64-bit PCI devices to 4 GB or greater address space. Comments: When enabled, PCI/PCIe Memory Mapped I/O for devices capable of 64-bit addressing is allocated to address space above 4GB, in order to allow larger allocations and avoid impacting address space below 4G. Back to [PCI Configuration Screen] - [Advanced Screen] Intel® Server Board S2600CP Intel® Server System P4000CP Family Service Guide (Preliminary) 111

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Hardware Installations
and Upgrades
Intel
®
Server Board S2600CP Intel
®
Server System P4000CP Family Service Guide (Preliminary)
111
To access this screen from the
Main
screen, select
Advanced > PCI Configuration
. To move to another
screen, press the <Esc> key to return to the
Advanced
screen, then select the desired screen.
Figure 126. PCI Configuration Screen
Advanced
PCI Configuration
Maximize Memory below 4GB
Enabled /
Disabled
Memory Mapped I/O above 4 GB
Enabled /
Disabled
Onboard Video
Enabled
/ Disabled
Dual Monitor Video
Enabled /
Disabled
►
NIC Configuration Screen
Screen Field Descriptions
:
1.
Maximize Memory below 4GB
Option Values:
Enabled
Disabled
Help Text:
BIOS maximizes memory usage below 4GB for an OS without PAE support, depending
on the system configuration. Only enable for an OS without PAE support.
Comments:
When this option is enabled, BIOS makes as much memory available as
possible in the 32-bit (4GB) address space, by limiting the amount of PCI/PCIe Memory Address
Space and PCIe Extended Configuration Space. This option should only be enabled for a 32-bit
OS without PAE capability or without PAE enabled.
Back to [
PCI Configuration Screen
] —
[
Advanced Screen
]
2.
Memory Mapped I/O above 4 GB
Option Values:
Enabled
Disabled
Help Text:
Enable or disable memory mapped I/O of 64-bit PCI devices to 4 GB or greater address
space.
Comments:
When enabled, PCI/PCIe Memory Mapped I/O for devices capable of
64-bit addressing is allocated to address space above 4GB, in order to allow larger allocations and
avoid impacting address space below 4G.
Back to [
PCI Configuration Screen
] — [
Advanced Screen
]