6 acpi configuration, Acpi version features [acpi v2.0, Headless mode [disabled – Asus RS161-E5/PA2 User Manual
Page 88: Acpi ems support [disabled, Acpi mcfg support [enabled

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Chapter 5: BIOS setup
V02.61 (C)Copyright 1985-2006, American Megatrends, Inc.
BIOS SETUP UTILITY
Advanced
ACPI Configuration
ACPI Version Features
[ACPI v2.0]
Headless Mode
[Disabled]
ACPI EMS Support
[Disabled]
ACPI MCFG Support
[Enabled]
→← Select Screen
↑↓
Select Item
+-
Change Field
Tab Select Field
F1
General Help
F10 Save and Exit
ESC Exit
5.4.6
ACPI Configuration
ACPI Version Features [ACPI v2.0]
Configuration options: [ACPI v1.0] [ACPI v2.0] [ACPI v3.0]
Headless Mode [Disabled]
Enables or disables the headless operation mode in ACPI.
Configuration options: [Disabled] [Enabled]
ACPI EMS Support [Disabled]
Enables or disables the ACPI EMS support.
Configuration options: [Disabled] [Enabled]
ACPI MCFG Support [Enabled]
Enables or disables the ACPI MCFG support.
Configuration options: [Disabled] [Enabled]
Enable RSDP pointers
to 64-bit Fixed System
Description Tables. Di
ACPI version has some