Asus M4N78 SE User Manual - Page 50

2-14

Chapter 2: BIOS information

Plug and Play O/S [No]

When set to

[No]

, BIOS configures all the devices in the system. When set to

[Yes]

and if

you install a Plug and Play operating system, the operating system configures the Plug and

Play devices not required for boot.

Configuration options: [No] [Yes]

The Module Version and USB Devices Enabled items show the auto-detected values. If no

USB device is detected, the item shows

None

.

2.4.6

USB Configuration

The items in this menu allows you to change the USB-related features. Select an item then

press

<Enter>

to display the configuration options.

2.4.5

PCI PnP

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.

Take caution when changing the settings of the PCI PnP menu items. Incorrect field values

can cause the system to malfunction.

USB Functions [Enabled]

Enables or disables the USB functions. Configuration options: [Enabled] [Disabled]

USB 2.0 Controller [Enabled]

Enables or disables the USB 2.0 Controller. Configuration options:

[Enabled] [Disabled]

Legacy USB Support [Auto]

Allows you to enable or disable support for Legacy USB storage devices, including USB flash

drives and USB hard drives. Setting 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. Configuration options: [Disabled] [Enabled]

[Auto]

USB 2.0 Controller Mode [HiSpeed]

Allows you to configure the USB 2.0 controller in HiSpeed (480 Mbps) or Full Speed (12

Mbps). Configuration options: [FullSpeed] [HiSpeed]

Section	Page
Notices	6
Safety information	7
About this guide	7
M4N78 SE specifications summary	9
Chapter 1: Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	13
1.4 Before you proceed	14
1.5 Motherboard overview	15
1.5.1 Placement direction	15
1.5.2 Screw holes	15
1.5.3 Motherboard layout	16
1.5.4 Layout contents	16
1.6 Central Processing Unit (CPU)	17
1.6.1 Installing the CPU	17
1.6.2 Installing the heatsink and fan	19
1.7 System memory	20
1.7.1 Overview	20
1.7.2 Memory configurations	21
1.7.3 Installing a DIMM	26
1.7.4 Removing a DIMM	26
1.8 Expansion slots	27
1.8.1 Installing an expansion card	27
1.8.2 Configuring an expansion card	27
1.8.3 PCI slots	27
1.8.4 PCI Express x1 slot	27
1.8.5 PCI Express x16 slot	27
1.9 Jumpers	28
1.10 Connectors	30
1.10.1 Rear panel connectors	30
1.10.2 Internal connectors	31
1.11 Software support	36
1.11.1 Installing an operating system	36
1.11.2 Support DVD information	36
Chapter 2: BIOS information	37
2.1 Managing and updating your BIOS	37
2.1.1 ASUS Update utility	37
2.1.2 ASUS EZ Flash 2 utility	38
2.1.3 ASUS CrashFree BIOS 3 utility	39
2.2 BIOS setup program	40
2.2.1 BIOS menu screen	41
2.2.2 Menu bar	41
2.2.3 Navigation keys	42
2.2.4 Menu items	42
2.2.5 Sub-menu items	42
2.2.6 Configuration fields	42
2.2.7 General help	42
2.2.8 Pop-up window	42
2.2.9 Scroll bar	42
2.3 Main menu	43
2.3.1 System Time [xx:xx:xx]	43
2.3.2 System Date [Day xx/xx/xxxx]	43
2.3.3 Primary IDE Master/Slave and SATA 1~4	43
2.3.4 Storage Configuration	44
2.3.5 System Information	45
2.4 Advanced menu	45
2.4.1 JumperFree Configuration	45
2.4.2 CPU Configuration	48
2.4.3 Chipset	48
2.4.4 Onboard Devices Configuration	49
2.4.5 PCI PnP	50
2.4.6 USB Configuration	50
2.5 Power menu	51
2.5.1 Suspend Mode [Auto]	51
2.5.2 ACPI 2.0 Support [Disabled]	51
2.5.3 ACPI APIC Support [Enabled]	51
2.5.4 APM Configuration	51
2.5.5 Hardware Monitor	52
2.6 Boot menu	53
2.6.1 Boot Device Priority	53
2.6.2 Boot Settings Configuration	53
2.6.3 Security	54
2.7 Tools menu	55
2.7.1 ASUS EZ Flash 2	55
2.7.2 Express Gate [Auto]	56
2.7.3 AI NET 2	56

Asus M4N78 SE User Manual - Page 50

USB Conﬁguration

Page 50 highlights