Asus M4A78 User Manual - Page 54

2-14

ASUS M4A78

2.4.4

Onboard Devices Configuration

Serial Port1 Address [3F8/IRQ4]

Allows you to select the Serial Port1 base address.

Configuration options: [Disabled] [3F8/IRQ4][2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]

Parallel Port Address [378]

Allows you to select the Parallel Port base addresses.

Configuration options: [Disabled] [378] [278] [3BC]

Parallel Port Mode [Normal]

Allows you to select the Parallel Port

mode. Configuration options: [Normal] [EPP] [ECP]

[EPP+ECP]

Parallel Port IRQ [IRQ7]

Allows you to set the Parallel Port IRQ. Configuration options: [IRQ5] [IRQ7]

HDAudio Controller [Enabled]

Allows you to enable or disable the HD Audio Controller. Configuration options: [Disabled]

[Enabled]

Front Panel Select [HD Audio]

Allows you to set the HD audio mode. Configuration options: [AC97] [HD Audio]

SPDIF_OUT Mode Setting [SPDIF Output]]

Allows you to select SPDIF_OUT mode.

Configuration options: [HDMI Output] [SPDIF Output]]

Onboard LAN Controller [Enabled]

Allows you to enable or disable the Onboard LAN. Configuration options: [Enabled] [Disabled]

Onboard LAN Boot ROM [Disabled]

Allows you to enable or disable the Onboard LAN Boot ROM. Configuration options:

[Enabled] [Disabled]

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.

Be cautious when changing the settings of the PCI PnP menu items. Incorrect field values

can cause the system to malfunction.

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]

Section	Page
M4A78 specifications summary	9
Chapter 1	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	15
Onboard LED	15
1.5 Motherboard overview	16
1.5.1 Placement direction	16
1.5.2 Screw holes	16
1.5.3 Motherboard layout	17
1.5.4 Layout contents	17
1.6 Central Processing Unit (CPU)	18
1.6.1 Installing the CPU	18
1.6.2 Installing the heatsink and fan	20
1.7 System memory	21
1.7.1 Overview	21
1.7.2 Memory configurations	22
1.7.3 Installing a DIMM	27
1.7.4 Removing a DIMM	27
1.8 Expansion slots	28
1.8.1 Installing an expansion card	28
1.8.2 Configuring an expansion card	28
1.8.3 PCI slots	28
1.8.4 PCI Express x1 slot	28
1.8.5 PCI Express x16 slot	28
1.9 Jumpers	29
1.10 Connectors	31
1.10.1 Rear panel connectors	31
1.10.2 Internal connectors	33
1.11 Software support	40
1.11.1 Installing an operating system	40
1.11.2 Support DVD information	40
Chapter 2	41
2.1 Managing and updating your BIOS	41
2.1.1 ASUS Update utility	41
2.1.2 ASUS EZ Flash 2 utility	42
2.1.3 ASUS CrashFree BIOS 3 utility	43
2.2 BIOS setup program	44
2.2.1 BIOS menu screen	45
2.2.2 Menu bar	45
2.2.3 Navigation keys	46
2.2.4 Menu items	46
2.2.5 Submenu items	46
2.2.6 Configuration fields	46
2.2.7 General help	46
2.2.8 Pop-up window	46
2.2.9 Scroll bar	46
2.3 Main menu	47
2.3.1 System Time	47
2.3.2 System Date	47
2.3.3 Primary IDE Master/Slave	47
2.3.4 SATA 1, SATA 2, SATA 3, SATA 5, SATA 6, and ESATA	48
2.3.5 SATA Configuration	49
2.3.6 System Information	49
2.4 Advanced menu	49
2.4.1 JumperFree Configuration	50
2.4.2 CPU Configuration	52
2.4.3 Chipset	53
2.4.4 Onboard Devices Configuration	54
2.4.5 PCI PnP	54
2.4.6 USB Configuration	55
2.5 Power menu	56
2.5.1 Suspend Mode	56
2.5.2 ACPI Support	56
2.5.3 ACPI APIC Support	56
2.5.4 APM Configuration	56
2.5.5 HW Monitor Configuration	57
2.6 Boot menu	58
2.6.1 Boot Device Priority	58
2.6.2 Boot Settings Configuration	58
2.6.3 Security	59
2.7 Tools menu	60
2.7.1 ASUS EZ Flash 2	60
2.7.2 Express Gate [Enabled]	61
2.7.3 AI NET 2	61

Asus M4A78 User Manual - Page 54

Onboard Devices Conﬁguration

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