Asus F2A55 User Manual

Chapter 2: BIOS information 2-19
2.5.3 USB Conguration
The items in this menu allow you to change the USB-related features.
The USB Devices item shows the auto-detected values. If no USB device is detected, the
item shows None.
Legacy USB Support [Enabled]
[Enabled] Enables the support for USB devices on legacy operating systems (OS).
[Disabled] The USB devices can be used only for the BIOS setup program.
[Auto] Allows the system to detect the presence of USB devices at startup. If
detected, the USB controller legacy mode is enabled. If no USB device is
detected, the legacy USB support is disabled.
Legacy USB3.0 Support [Enabled]
[Enabled] Enables the support for USB 3.0 devices on legacy operating systems
(OS).
[Disabled] Disables the function.
EHCI Hand-off [Disabled]
[Enabled] Enables the support for operating systems without an EHCI hand-off
feature.
[Disabled] Disables the function.
2.5.4 NB Conguration
Dual Graphics [Disabled]
When this item is enabled, the add-on graphics devices’ performance can be greatly
enhanced. Conguration options: [Enabled] [Disabled]
Primary Video Device [PCIE / PCI Video]
Selects the primary display device. Conguration options: [PCIE / PCI Video]
2.5.5 Onboard Devices Conguration
HD Audio Device [Enabled]
[Enabled] Enables the High Denition Audio Controller.
[Disabled] Disables the controller.
The following two items appear only when you set the HD Audio Device item to [Enabled].
Front Panel Type [HD]
Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high-
denition audio depending on the audio standard that the front panel audio module supports.
[HD] Sets the front panel audio connector (AAFP) mode to high denition audio.
[AC97] Sets the front panel audio connector (AAFP) mode to legacy AC’97.

Asus F2A55 Specifications

General

Non-ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	4
Supported memory types	DDR3-SDRAM
Maximum internal memory	64 GB
Supported memory clock speeds	1066, 1333, 1600, 1866, 2000, 2133, 2200, 2250, 2400 MHz
Processor socket	Socket FM2
Processor manufacturer	AMD
Compatible processor series	AMD Athlon
USB 2.0 connectors	3
Number of COM connectors	1
Number of SATA II connectors	6
USB 3.2 Gen 1 (3.1 Gen 1) connectors	0
RAID levels	0, 1, 10, JBOD
Supported storage drive interfaces	SATA II
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
LAN controller	Realtek 8111F
Ethernet interface type	Gigabit Ethernet
Audio chip	Realtek ALC887
Component for	PC
Motherboard chipset	AMD A55 FCH
Audio output channels	- channels
Motherboard form factor	ATX
Parallel processing technology support	-
BIOS type	UEFI
ACPI version	2.0a
Cables included	SATA

Weight and Dimensions

Depth	224 mm
Width	305 mm