Primary graphics adapter, Vt-d, Pcie1 link speed – ADLINK IMB-M42H User Manual
Page 39: Pcie3 link speed, Share memory, Igpu multi-monitor, Render standby, Onboard hd audio, Front panel

UEFI Setup Utility
29
IMB-M42H
Primary Graphics Adapter
Onboard, PCI, or PCI Express can be selected as boot graphic
adapter priority, with default PCI Express.
VT-d
Enables/disables Intel
®
VT-d technology (Intel
®
Virtualization
Technology for Directed I/O), with default Disabled.
PCIE1 Link Speed
Selects link speed for PCIE1.
PCIE3 Link Speed
Selects link speed for PCIE3.
Share Memory
Configure the size of memory allocated to the integrated graphics
processor when the system boots.
IGPU Multi-Monitor
Disable deactivates integrated graphics when an external graphics
card is installed, Enable maintains integrated graphics function at
all times.
Render Standby
Enables/disables Render Standby by Internal Graphics Device,
default is Enabled.
Onboard HD Audio
Auto disables onboard HD Audio when a PCI Sound Card is
installed.
Front Panel
Auto enables or disables onboard Front Panel HD Audio.