Asus Q470A-EM-A User Manual English - Page 44
CSM Configuration, Super IO Configuration
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3.3.6 CSM Configuration CSM Support Allows you to enable or disable CSM (Compatibility Support Module) Support. Configuration options: [Disabled] [Enabled] The following items appear only when you set CSM Support to [Enabled]. GateA20 Active Configuration options: [Upon Request] [Always] [Upon Request] GA20 can be disabled using BIOS services. [Always] Do not allow disabling GA20, which functions when any RT code is executed above 1MB. Network Allows you to control the execution of UEFI and Legacy Network OpROM. Configuration options: [Do not launch] [UEFI] [Legacy] Storage Allows you to control the execution of UEFI and Legacy Storage OpROM. Configuration options: [Do not launch] [UEFI] [Legacy] Video Allows you to control the execution of UEFI and Legacy Video OpROM. Configuration options: [Do not launch] [UEFI] [Legacy] Other PCI devices Allows you to determine OpROM execution policy for devices other than Network, Storage, or Video. Configuration options: [Do not launch] [UEFI] [Legacy] 3.3.7 Super IO Configuration Serial Port 1 Configuration This item allows you to set parameters of Serial Port 1 (COMA). Serial Port Allows you to enable or disable the serial port (COM). Configuration options: [Disabled] [Enabled] COM1 Control Allows you to select COM1 mode. Configuration options: [RS232] [RS422] [RS485] Q470A-EM-A 3-8