Computer Hardware User Manual
Table Of Contents
- Safety information
- Chapter 1: Product Introduction
- Chapter 2: Basic installation
- Chapter 3: BIOS setup
- Chapter 4: Software support
- 4.1 Installing an operating system
- 4.2 Support DVD information
- 4.3 Software information
- 4.3.1 AI Suite 3
- 4.3.2 Dual Intelligent Processors 4
- 4.3.3 EPU
- 4.3.4 DIGI+ Power Control
- 4.3.5 Fan Xpert 2
- 4.3.6 USB 3.0 Boost
- 4.3.7 Network iControl
- 4.3.8 USB BIOS Flashback
- 4.3.9 Ai Charger+
- 4.3.10 EZ Update
- 4.3.11 USB Charger+
- 4.3.12 System Information
- 4.3.13 ASUS SSD Caching II
- 4.3.14 Audio configurations
- 4.3.15 ASUS Dr. Power Utility
- Chapter 5: RAID support
- Chapter 6: Multiple GPU support
- Appendices

ASUS Z87-WS
3-45
Chapter 3
CSM (Compatibility Support Module)
Allows you to congure the CSM (Compatibility Support Module) items to fully support the
various VGA, bootable devices and add-on devices for better compatibility.
Launch CSM [Enabled]
[Auto] The system automatically detects the bootable devices and the add-
on devices.
[Enabled] For better compatibility, enable the CSM to fully support the non-UEFI
driver add-on devices or the Windows
®
UEFI mode.
[Disabled] Disable the CSM to fully support the non-UEFI driver add-on devices
or the Windows
®
UEFI mode.
The following items appear only when you set the Launch CSM to [Enabled].
Boot Devices Control [UEFI and Legacy OpROM]
Allows you to select the type of devices that you want to boot.
Conguration options: [UEFI and Legacy OpROM] [Legacy OpROM only]
[UEFI only]
Boot from Network Devices [Legacy OpROM rst]
Allows you to select the type of network devices that you want to launch.
Conguration options: [Legacy OpROM rst] [UEFI driver rst] [Ignore]
Boot from Storage Devices [Legacy OpROM rst]
Allows you to select the type of storage devices that you want to launch.
Conguration options: [Both, Legacy OpROM rst] [Both, UEFI rst]
[Legacy OpROM rst] [UEFI driver rst] [Ignore]
Boot from PCIe/PCI Expansion Devices [Legacy OpROM rst]
Allows you to select the type of PCIe/PCI expansion devices that you want
to launch.
Conguration options: [Legacy OpROM rst] [UEFI driver rst]
Secure Boot
Allows you to congure the Windows
®
Secure Boot settings and manage its keys to protect
the system from unauthorized access and malwares during POST.
OS Type [Windows UEFI mode]
[Windows UEFI
Mode]
Allows you to select your installed operating system. Execute
the Microsoft
®
Secure Boot check. Only select this option when
booting on Windows
®
UEFI mode or other Microsoft
®
Secure
Boot compliant OS.
[Other OS] Get the optimized function when booting on Windows
®
non-
UEFI mode, or other Microsoft
®
Secure Boot non compliant OS.
Microsoft
®
Secure Boot only supports Windows
®
UEFI mode.
The following item appears only when you set the OS Type to [Windows UEFI mode].