Asus M4N78 User Manual - Page 9

ix

CPU

AMD

®

Phenom™ X4 / Phenom™ X3 / Athlon™ X2 /

Athlon™ / Sempron™ processors (socket AM2+/AM2)

Compatible with Phenom™ II / Athlon™ X4 / Athlon™ X3 /

Athlon™ X2 processors (AM3 CPU)

AMD Cool ‘n’ Quiet™ Technology

Supports CPU up to 125W

Chipset

NVIDIA nForce

®

720D

System bus

Up to 5200 MT/s; HyperTransport™ 3.0 interface for AM2+ /

AM3 CPU

2000 / 1600 MT/s for AM2 CPU

Memory

Dual-channel memory architecture

4 x 240-pin DIMM slots support maximum 16GB unbuffered

ECC and non-ECC DDR2 1066*/800/667MHz

memory modules

*

Due to AMD CPU limitation, DDR2 1066 is supported by

AM2+/AM3 CPU for one DIMM per channel only.

** Refer to www.asus.com for the latest Memory QVL

(Qualified Vendors List).

*** Due to the memory address limitation on 32-bit Windows

OS, when you install 4GB or more memory on the

motherboard, the actual usable memory for the OS can

be about 3GB or less. For effective use of memory, we

recommend that you install a 64-bit Windows OS when

have 4GB or more memory installed on the motherboard.

Expansion slots

1 x PCI Express™ x16 slot

2 x PCI Express™ x1 slots

3 x PCI slots

Storage

1 x UltraDMA 133/100/66/33 connector

5 x Serial ATA 3Gb/s connectors support RAID 0,

RAID 1, RAID 0+1, RAID 5, and JBOD configurations

(in Windows

®

Vista only)

Audio

ALC887 High Definition Audio 8-channel CODEC

- Optical S/PDIF out port at back I/O

- Supports Jack Detection and Multi-streaming

USB

Supports up to 12 USB 2.0 ports (6 port at mid-board,

6 ports at back panel)

LAN

Realtek 8211CL Phy Gigabit LAN controller

BIOS

8Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0,

ACPI2.0a, SM BIOS 2.5

M4N78 specifications summary

(continued on the next page)

Section	Page
Notices	6
Safety information	7
About this guide	7
M4N78 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	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	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	38
1.11.1 Installing an operating system	38
1.11.2 Support DVD information	38
Chapter 2: BIOS information	39
2.1 Managing and updating your BIOS	39
2.1.1 ASUS Update utility	39
2.1.2 ASUS EZ Flash 2 utility	40
2.1.3 ASUS CrashFree BIOS 3 utility	41
2.2 BIOS setup program	42
2.2.1 BIOS menu screen	43
2.2.2 Menu bar	43
2.2.3 Navigation keys	44
2.2.4 Menu items	44
2.2.5 Submenu items	44
2.2.6 Configuration fields	44
2.2.7 General help	44
2.2.8 Pop-up window	44
2.2.9 Scroll bar	44
2.3 Main menu	45
2.3.1 System Time [xx:xx:xx]	45
2.3.2 System Date [Day xx/xx/xxxx]	45
2.3.4 Primary IDE Master/Slave, SATA 1~3, and ESATA	45
2.3.5 Storage Configuration	46
2.3.6 System Information	47
2.4 Advanced menu	47
2.4.1 JumperFree Configuration	47
2.4.2 CPU Configuration	50
2.4.3 Chipset	51
2.4.4 Onboard Devices Configuration	52
2.4.5 PCI PnP	52
2.4.6 USB Configuration	53
2.5 Power menu	54
2.5.1 Suspend Mode [Auto]	54
2.5.2 ACPI 2.0 Support [Disabled]	54
2.5.3 ACPI APIC Support [Enabled]	54
2.5.4 APM Configuration	54
2.5.5 Hardware Monitor	55
2.6 Boot menu	56
2.6.1 Boot Device Priority	56
2.6.2 Boot Settings Configuration	56
2.6.3 Security	57
2.7 Tools menu	58
2.7.1 ASUS EZ Flash 2	58
2.7.2 Express Gate [Auto]	59
2.7.3 AI NET 2	59

Asus M4N78 User Manual - Page 9

M4N78 speciﬁcations summary - windows 8

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