Portwell PCOM-B657VGL User Manual page 43

COM Express™
Chipset Configuration
⚫
Configuration Chipset feature
Feature
VT-d
Above 4GB MMIO BIOS
assignment
HD Audio
Port 80h Redirection
Me FW Image Re-Flash
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Copyright PORTWELL 2021
Description
VT-d Capability
Enable/Disable above 4GB MemoryMappedIO BIOS assignment
This is enabled automatically when Aperture Size is set to 2048MB
Control Detection of the HD-Audio device.
Disabled= HAD will be unconditionally disabled
Enabled= HAD will be unconditionally enabled.
Control where the Port 80h cycles are sent
Enable/Disable Me FW Image Re-Flash function
PCOM-B657VGL User's Guide
PORTWELL PCOM-B657VGL User's Guide
Options
★Enabled ,Disabled
★Disabled, Enabled
★Enabled ,Disabled
★LPC Bus, PCIE Bus
★Disabled, Enabled
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