Asus M4A77T User Manual

ASUS M4A77T 2-15
The Module Version and USB Devices Enabled items show the auto-detected values. If no
USB device is detected, the item shows None.
USB Functions [Enabled]
Enables or disables the USB functions. Conguration options: [Disabled] [Enabled]
USB 2.0 Controller [Enabled]
Enables or disables the USB 2.0 controller. Conguration options: [Disabled] [Enabled]
Legacy USB Support [Auto]
Enables or disables support for Legacy USB storage devices including USB ash drives and
USB hard drives. Setting this item to [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. Conguration options: [Disabled] [Enabled]
[Auto]
USB 2.0 Controller Mode [HiSpeed]
Congures the USB 2.0 controller in HiSpeed (480Mbps) mode or FullSpeed (12Mbps)
mode. Conguration options: [FullSpeed] [HiSpeed]
Plug And Play O/S [No]
When this item is set to [No], BIOS congures all the devices in the system. When this item
is set to [Yes] and if you install a Plug and Play operating system, the operating system
congures the Plug and Play devices not required for boot. Conguration options: [No] [Yes]
Take caution when changing the settings of the PCI PnP menu items. Incorrect eld values
can cause the system to malfunction.
2.4.5 PCIPnP
The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.
The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA
devices and setting the memory size block for legacy ISA devices.
The following items only appear when a USB storage device is plugged in.
USB Mass Storage Device Conguration
USB Mass Storage Reset Delay [20 Sec]
Sets the maximum time that the BIOS waits for the USB storage device to initialize.
Conguration options: [10 Sec] [20 Sec] [30 Sec] [40 Sec]
Emulation Type [Auto]
Allows you to set the emulation type. Conguration options: [Auto] [Floppy]
[Forced FDD] [Hard Disk] [CDROM]
2.4.6 USB Conguration
The items in this menu allows you to change the USB-related features. Select an item then
press <Enter> to display the conguration options.

Asus M4A77T Specifications

General

ECC	Yes
Number of memory slots	4
Maximum internal memory	16 GB
Processor socket	Socket AM3
Processor manufacturer	AMD
Maximum number of SMP processors	1
Number of SATA connectors	6
Headphone outputs	3
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.
Firewire (IEEE 1394) ports	0
Motherboard chipset	AMD 770
Motherboard form factor	ATX
PCI Express x1 slots	2
Controller 2nd interface type	IDE/SATA
LAN controller	Realtek RTL8112L
ACPI version	2.0
BIOS memory size	64 Mbit

Weight and Dimensions

Depth	213 mm
Width	305 mm