Asus SABERTOOTH 990FX R3.0 User Manual

3-32
Chapter 3: BIOS Setup
Chapter 3
Secure Boot
This item allows you to congure 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]
This item 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. Microsoft
®
Secure Boot only supports Windows
®
UEFI mode.
Key Management
Clear Secure Boot keys
This item allows you to clear all default Secure Boot keys.
Save Secure Boot Keys
This item allows you to save the PK (Platform Keys) to a USB storage device.
PK Management
Delete PK
This item allows you to delete the PK from your system. Once the PK is deleted, all the
system’s Secure Boot keys will not be active.
Conguration options: [Yes] [No]
Load PK from File
This item allows you to load the downloaded PK from a USB storage device.
The PK le must be formatted as a UEFI variable structure with time-based authenticated
variable.
KEK Management
Key-exchange Key (KEK) refers to Microsoft
®
Secure Boot Key-Enrollment Key (KEK).
Delete the KEK
Allows you to delete the KEK from your system.
Conguration options: [Yes] [No]
Boot from PCI-E/PCI Expansion Devices [Legacy OpROM first]
This item allows you to select the type of PCI-E/PCI expansion devices that
you want to launch.
Conguration options: [Legacy OpROM rst] [UEFI driver rst]

Asus SABERTOOTH 990FX R3.0 Specifications

General

Chipset	AMD 990FX/SB950
CPU Support	AMD AM3+ FX/Phenom II/Athlon II/Sempron 100 Series Processors
CPU Socket Type	AM3+
Storage	6 x SATA 6Gb/s
SATA RAID	RAID 0, 1, 5, 10
Audio	Realtek ALC1150 8-Channel High Definition Audio CODEC
LAN	Intel I211-AT, 1 x Gigabit LAN Controller(s)
Form Factor	ATX
Dimensions	12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
Memory Support	4 x DIMM, Max. 32GB, DDR3 1866/1600/1333/1066 MHz, ECC, Non-ECC, Un-buffered Memory
Expansion Slots	1 x PCIe 2.0 x1 1 x PCI
USB Ports	12 x USB 2.0 (6 at back panel, 6 at mid-board)
Power Pin	24-pin ATX Power Connector, 8-pin ATX 12V Power Connector
Multi-GPU Support	Supports NVIDIA Quad-GPU SLI and AMD Quad-GPU CrossFireX Technology