Copyright © 2021 NexAIoT International Co., Ltd. All Rights Reserved.
40
CE-CL User Manual
Chapter 3: BIOS Setup
Advanced
Version 2.20.1275. Copyright (C) 2021 American Megatrends, Inc.
Aptio Setup Utility - Copyright (C) 2021 American Megatrends, Inc.
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Enable/Disable CSM Support.
Compatibility Support Module Configuration
CSM Support
CSM16 Module Version
GateA20 Active
INT19 Trap Response
Boot option filter
Option ROM execution
Network
Storage
Video
Other PCI devices
[Enabled]
07.82
[Upon Request]
[Immediate]
[UEFI only]
[UEFI]
[UEFI]
[UEFI]
[UEFI]
CSM Support
This field is used to enable or disable CSM support, if Auto option is selected,
based on OS, CSM will be enabled or disabled automatically.
GateA20 Active
Upon Request GA20 can be disabled using BIOS services.
Always Do not allow disabling GA20; this option is useful
when any RT code is executed above 1MB.
CSM Configuration
This section is used to configure the compatibility support module features.
Device reset time-out
Selects the USB mass storage device’s start unit command timeout.
Device power-up delay
Maximum time the value will take before it properly reports itself to the Host
Controller. “Auto” uses default value: for a Root port it is 100 ms, for a Hub
port the delay is taken from Hub descriptor.
Mass Storage Devices:
Selects the mass storage device emulation type.
