4 system agent configuration, System agent configuration -18, Chapter 3 – Asus P8H77-V User Manual
Page 80: Graphics configuration, Nb pcie configuration, Primary display [auto, Render standby [enabled, Initiate igpu [enabled, Pciex16_1 link speed [auto

3-18
Chapter 3: BIOS setup
Chapter 3
3.5.4
System Agent Configuration
Memory Remap Feature [Enabled]
[Enabled]
Allow you to enable remapping the memory above 4GB.
[Disabled]
Disables this function.
Graphics Configuration
Primary Display [Auto]
Allows you to decide which graphics controller to use as the primary boot device.
Configuration options: [Auto] [iGFX] [PEG] [PCI]
iGPU Memory [64M]
Allows you to select the amount of system memory allocated to DVMT 5.0 used by
the iGPU. Configuration options: [32M] [64M] [96M] [128M] ~ [448M] [480M] [512M]
[1024M]
Render Standby [Enabled]
Allows you to enable the Intel Graphics Render Standby support to reduce the iGPU
power use when idle. Configuration options: [Disabled] [Enabled]
Initiate iGPU [Enabled]
Allows you to enable or disable the Lucid Virtu support for both the integrated and
discrete graphics. The iGPU shared memory size will be fixed at 64MB. Configuration
options: [Disabled] [Enabled]
NB PCIe Configuration
Allows you to configure the NB PCI Express settings.
PCIEX16_1 Link Speed [Auto]
Allows you to configure the PCIE x16_1 speed. Configuration options: [Auto] [Gen1]
[Gen2] [Gen3]
Main
Ai Tweaker
Advanced
Monitor
Boot
Tool
Enable or disable memory remap above
4G.
Back
Advanced\
System Agent Configuration >
UEFI BIOS Utility - Advanced Mode
System Agent Bridge Name
SandyBridge
Memory Remap Feature
Enabled
> Graphics Configuration
> NB PCIe Configuration