Asus M5A87 User Manual - Page 4

iv

Contents

1.11

Onboard switch

..........................................................................

1-27

1.12

Onboard LEDs

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1-29

1.13

Software support

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1-30

1.13.1

Installing an operating system

......................................

1-3

0

1.13.2

Support DVD information

..............................................

1-3

0

Chapter 2: BIOS information

2.1

Managing and updating your BIOS

............................................

2-1

2.1.1

ASUS Update

..................................................................

2-

1

2.1.2

ASUS EZ Flash 2

............................................................

2-2

2.1.3

ASUS CrashFree BIOS 3

................................................

2-

3

2.2

BIOS setup program

....................................................................

2-4

2.2.1

BIOS menu screen

..........................................................

2-

5

2.2.2

Menu bar

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2-

5

2.2.3

Navigation keys

...............................................................

2-

5

2.2.4

Menu items

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2-

6

2.2.5

Submenu items

...............................................................

2-

6

2.2.6

Configuration fields

.........................................................

2-

6

2.2.7

Pop-up window

...............................................................

2-

6

2.2.8

Scroll bar

.........................................................................

2-

6

2.2.9

General help

...................................................................

2-

6

2.3

Main menu

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2-7

2.3.1

System Time [xx:xx:xx]

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2-

7

2.3.2

System Date [Day xx/xx/xxxx]

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2-

7

2.3.3

SATA6G_1/2/3/4/5/6

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2-

7

2.3.4

SATA Configuration

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2-

8

2.3.5

System Information

.........................................................

2-9

2.4

Ai Tweaker menu

........................................................................

2-10

2.4.1

CPU Level UP [Auto]

.....................................................

2-10

2.4.2

CPU OverClocking [Auto]

..............................................

2-1

1

2.4.3

CPU Ratio [Auto]

...........................................................

2-12

2.4.4

DRAM Frequency [Auto]

...............................................

2-12

2.4.5

CPU/NB Frequency [Auto]

............................................

2-12

2.4.6

HT Link Speed [Auto]

....................................................

2-12

2.4.7

DRAM Timing Configuration

.........................................

2-1

3

Section	Page
Notices	6
Safety information	7
About this guide	8
M5A87 specifications summary	9
Chapter 1	13
Product introduction	13
1.1 Welcome!	13
1.2 Package contents	13
1.3 Special features	13
1.3.1 Product highlights	13
1.3.2 Innovative ASUS features	15
1.4 Before you proceed	17
1.5 Motherboard overview	18
1.5.1 Placement direction	18
1.5.2 Screw holes	18
1.5.3 Motherboard layout	19
1.5.4 Layout contents	19
1.6 Central Processing Unit (CPU)	20
1.6.1 Installing the CPU	20
1.6.2 Installing the heatsink and fan	22
1.7 System memory	23
1.7.1 Overview	23
1.7.2 Memory configurations	24
1.7.3 Installing a DIMM	29
1.7.4 Removing a DIMM	29
1.8 Expansion slots	30
1.8.1 Installing an expansion card	30
1.8.2 Configuring an expansion card	30
1.8.3 PCI slots	30
1.8.4 PCI Express x1 slots	30
1.8.5 PCI Express x16 slot	30
1.9 Jumpers	31
1.10 Connectors	32
1.10.1 Rear panel ports	32
1.10.2 Internal connectors	33
1.11 Onboard switch	39
1.12 Onboard LEDs	41
1.13 Software support	42
1.13.1 Installing an operating system	42
1.13.2 Support DVD information	42
Chapter 2	43
BIOS information	43
2.1 Managing and updating your BIOS	43
2.1.1 ASUS Update	43
2.1.2 ASUS EZ Flash 2	44
2.1.3 ASUS CrashFree BIOS 3	45
2.2 BIOS setup program	46
2.2.1 BIOS menu screen	47
2.2.2 Menu bar	47
2.2.3 Navigation keys	47
2.2.4 Menu items	48
2.2.5 Submenu items	48
2.2.6 Configuration fields	48
2.2.7 Pop-up window	48
2.2.8 Scroll bar	48
2.2.9 General help	48
2.3 Main menu	49
2.3.1 System Time [xx:xx:xx]	49
2.3.2 System Date [Day xx/xx/xxxx]	49
2.3.3 SATA6G_1/2/3/4/5/6	49
2.3.4 SATA Configuration	50
2.3.5 System Information	51
2.4 Ai Tweaker menu	52
2.4.1 CPU Level UP [Auto]	52
2.4.2 CPU OverClocking [Auto]	53
2.4.3 CPU Ratio [Auto]	54
2.4.4 DRAM Frequency [Auto]	54
2.4.5 CPU/NB Frequency [Auto]	54
2.4.6 HT Link Speed [Auto]	54
2.4.7 DRAM Timing Configuration	55
2.4.8 DRAM Driving Configuration	56
2.4.9 CPU & NB Voltage Mode [Offset]	56
2.4.10 DRAM Voltage [Auto]	57
2.4.11 HT Voltage [Auto]	57
2.4.12 NB Voltage [Auto]	57
2.4.13 CPU Load-Line Calibration [Auto]	57
2.4.14 CPU/NB Load-Line Calibration [Auto]	57
2.5 Advanced menu	57
2.5.1 CPU Configuration	57
2.5.2 Chipset	58
2.5.3 Onboard Devices Configuration	59
2.5.4 PCIPnP	60
2.5.5 USB Configuration	60
2.6 Power menu	62
2.6.1 Suspend Mode [Auto]	62
2.6.2 ACPI 2.0 Support [Enabled]	62
2.6.3 ACPI APIC Support [Enabled]	62
2.6.4 APM Configuration	62
2.6.5 HW Monitor Configuration	63
2.6.6 Anti Surge Support [Enabled]	63
2.7 Boot menu	64
2.7.1 Boot Device Priority	64
2.7.2 Boot Settings Configuration	64
2.7.3 Security	65
2.8 Tools menu	67
2.8.1 ASUS EZ Flash 2	67
2.8.2 ASUS O.C. Profile	67

Asus M5A87 User Manual - Page 4

BIOS information - overclock

Page 4 highlights