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Motherboard layout, Layout contents

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1.5.3 Motherboard layout 12 1 3 22.4cm(8.8in) KBMS USB56 ATX12V CPU_FAN EPU SPDIF_O2 ASM 1042 USB34 SOCKET FM1 USB3_12 LAN1_USB12 AUDIO RTL 8111E CHA_FAN1 PWR_FAN PCIEX1_1 Lithium Cell CMOS Power PCIEX1_2 PCIEX16_1 F1A55 DDR3 DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_A2 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-pin module) DDR3 DIMM_B2 (64bit, 240-pin module) EATXPWR 4 5 MemOK! 5 DRAM_LED 6 2 7 30.5cm(12.0in) SATA3G_3 SATA3G_5 SATA3G_4 SATA3G_6 ICS483A Super I/O PCI1 PCIEX16_2 AMD® A55 FCH SATA3G_1 SATA3G_2 PCI2 ALC 887 32Mb 7 BIOS PCI3 SB_PWR AAFP SPDIF_OUT COM1 USB1112 USB910 USB78 CHA_FAN2 CLRTC PANEL 8 14 13 12 11 1 10 9 1.5.4 Layout contents Connectors/Jumpers/Slots/LED 1. Power, CPU and chassis fan connectors (3-pin PWR_FAN, 4-pin CPU_FAN, and 4-pin CHA_FAN1/2) 2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 3. AMD FM1 socket 4. DDR3 DIMM slots 5. MemOK! switch 6. DRAM LED (DRAM_LED) 7. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) Page 1-20 1-21 1-7 1-10 1-26 1-27 1-22 Connectors/Jumpers/Slots/LED 8. Standby power LED (SB_PWR) 9. System panel connector (20-8 pin PANEL) 10. Clear RTC RAM (3-pin CLRTC) 11. USB 2.0 onnectors (10-1 pin USB78, USB910, USB1112) 12. Serial port connector (10-1 pin COM1) 13. Digital audio connector (4-1 pin SPDIF_OUT) 14. Front panel audio connector (10-1 pin AAFP) Page 1-27 1-23 1-17 1-25 1-22 1-24 1-24 1-6 Chapter 1: Product introduction

Section	Page
Notices	6
Safety information	7
About this guide	8
F1A55 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 ASUS Exclusive Features	14
1.4 Before you proceed	16
1.5 Motherboard overview	17
1.5.1 Placement direction	17
1.5.2 Screw holes	17
1.5.3 Motherboard layout	18
1.5.4 Layout contents	18
1.6 Accelerated Processing Unit (APU)	19
1.6.1 Installing the APU	19
1.6.2 Installing the heatsink and fan	21
1.7 System memory	22
1.7.1 Overview	22
1.7.2 Memory configurations	23
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 slots	28
1.8.5 PCI Express x16 slots	28
1.9 Jumpers	29
1.10 Connectors	30
1.10.1 Rear panel ports	30
1.10.2 Internal connectors	32
1.11 Onboard switch	38
1.12 Onboard LEDs	39
1.13 Software support	40
1.13.1 Installing an operating system	40
1.13.2 Support DVD information	40
Chapter 2	41
BIOS information	41
2.1 Managing and updating your BIOS	41
2.1.1 ASUS Update utility	41
2.1.2 ASUS EZ Flash 2	42
2.1.3 ASUS CrashFree BIOS 3 utility	43
2.1.4 ASUS BIOS Updater	44
2.2 BIOS setup program	47
2.3 Main menu	51
2.3.1 System Language [English]	51
2.3.2 System Date [Day xx/xx/xxxx]	51
2.3.3 System Time [xx:xx:xx]	51
2.3.4 Security	51
2.4 Ai Tweaker menu	53
2.4.1 Ai Overclock Tuner [Auto]	54
2.4.2 Memory Frequency [Auto]	54
2.4.3 APU Multiplier [Auto]	54
2.4.4 EPU Power Saving Mode [Disabled]	54
2.4.5 OC Tuner	55
2.4.6 DRAM Timing Control	55
2.4.7 CPU Voltage [Offset Mode]	55
2.4.8 DRAM Voltage [Auto]	55
2.4.9 SB 1.1V Voltage [Auto]	55
2.4.10 1.1Vsb Voltage [Auto]	56
2.4.11 APU1.2V Voltage [Auto]	56
2.4.12 VDDA Voltage [Auto]	56
2.4.13 Load-line Calibration [Auto]	56
2.4.14 APU Spread Spectrum [Auto]	56
2.5 Advanced menu	57
2.5.1 CPU Configuration	57
2.5.2 SATA Configuration	58
2.5.3 USB Configuration	58
2.5.4 NB Configuration	59
2.5.5 Onboard Devices Configuration	59
2.5.6 APM	60
2.6 Monitor menu	61
2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]	61
2.6.2 CPU / Chassis / Power Fan Speed [xxxx RPM] or [Ignore] / [N/A]	61
2.6.3 CPU Q-Fan Control [Disabled]	61
2.6.4 Chassis Q-Fan Control [Disabled]	62
2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage	63
2.6.6 Anti Surge Support [Enabled]	63
2.7 Boot menu	64
2.7.1 Bootup NumLock State [On]	64
2.7.2 Full Screen Logo [Enabled]	64
2.7.3 Wait for ‘F1’ If Error [Enabled]	64
2.7.4 Option ROM Messages [Force BIOS]	65
2.7.5 Setup Mode [EZ Mode]	65
2.7.6 Boot Option Priorities	65
2.7.7 Boot Override	65
2.8 Tools menu	66
2.8.1 ASUS EZ Flash 2 Utility	66
2.8.2 ASUS O.C. Profile	66
2.8.3 ASUS SPD Information	66

Match case Limit results 1 per page

1.5.3

Motherboard layout

1.5.4

Layout contents

Connectors/Jumpers/Slots/LED

Page

Connectors/Jumpers/Slots/LED

Page

Power, CPU and chassis fan connectors

(3-pin PWR_FAN, 4-pin CPU_FAN, and 4-pin

CHA_FAN1/2)

1-20

Standby power LED (SB_PWR)

1-27

ATX power connectors (24-pin EATXPWR,

4-pin ATX12V)

1-21

System panel connector (20-8 pin PANEL)

1-23

AMD FM1 socket

1-7

10. Clear RTC RAM (3-pin CLRTC)

1-17

DDR3 DIMM slots

1-10

11.

USB 2.0 onnectors (10-1 pin USB78, USB910,

USB1112)

1-25

MemOK! switch

1-26

12. Serial port connector (10-1 pin COM1)

1-22

DRAM LED (DRAM_LED)

1-27

13. Digital audio connector (4-1 pin SPDIF_OUT)

1-24

SATA 3.0Gb/s connectors (7-pin SATA3G_1~6)

1-22

14. Front panel audio connector (10-1 pin AAFP)

1-24

F1A55

PCIEX16_1

PCIEX16_2

PCIEX1_2

PCIEX1_1

PCI1

PCI2

PCI3

USB1112

USB78

PANEL

SPDIF_OUT

AAFP

CPU_FAN

CHA_FAN1

PWR_FAN

CHA_FAN2

Lithium Cell

CMOS Power

Super

I/O

AUDIO

ALC

887

EPU

RTL

8111E

ICS483A

COM1

KBMS

32Mb

BIOS

SB_PWR

CLRTC

22.4cm(8.8in)

30.5cm(12.0in)

AMD

A55 FCH

DDR3 DIMM_A1 (64bit, 240-pin module)

DDR3 DIMM_A2 (64bit, 240-pin module)

DDR3 DIMM_B1 (64bit, 240-pin module)

DDR3 DIMM_B2 (64bit, 240-pin module)

LAN1_USB12

USB3_12

USB34

USB56

SPDIF_O2

SATA3G_5

SATA3G_6

SATA3G_1

SATA3G_2

MemOK!

DRAM_LED

SOCKET FM1

ATX12V

SATA3G_3

SATA3G_4

EATXPWR

USB910

ASM

1042

Chapter 1: Product introduction

1-6