Z490D4U-2L2T / W480D4U Series
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3.4.2 Storage Configuration
Above 4G Decoding
Enable or disable 64bit capable Devices to be decoded in Above 4G Address Space
(only if the system supports 64 bit PCI decoding).
Primary Graphics Adapter
Select a primary VGA.
IGPU Multi-Monitor
Select disable to disable the integrated graphics when an external graphics card is installed.
Select enable to keep the integrated graphics enabled at all times.
Share Memory
Configure the size of memory that is allocated to the integrated graphics processor when
the system boots up.
Onboard VGA
To enable or Disable Onboard VGA.