Can't Find Above 4G Decoding?
The Solution: Go to Bios Advanced Settings: Go to Advanced\Pch Configuration\Pci Express Configuration. .. . Go to Advanced and Enter System Agent (Sa)...
- Go to Bios Advanced settings: Go to advanced\PCH configuration\PCI express configuration. ...
- Go to advanced and enter system Agent (SA) Configuration)
- This is most important to enable features that say “Above 4G Decoding” make sure it's set to enable. ...
- 4.As the note says.
Where is above 4G decoding in BIOS?
The POST error mechanism is intended to tell the user to boot to BIOS setup and enable the “Above 4G Decoding” for a 64-bit OS, or remove some PCIe/PCI cards from system. To enable “Above 4G Decoding”, Press F1 during POST and go to Advanced->PCI Subsystem Setting->Above 4G Decoding item.
Should I enable or disable above 4G decoding?
In most cases, it does not need to be enabled. In my experience, most motherboards default to having this setting off. There's generally no harm in enabling it if you have a 64-bit OS.
Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.
