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Asus SABERTOOTH 55i User Manual - Page 16

Special features - p55 ddr3

UPC - 610839173174

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Chapter 1 1.3 Special features 1.3.1 Product highlights Intel® LGA1156 Lynnfield Processor Ready This motherboard supports the latest Intel® Lynnfield processors in LGA1156 package, which has memory and PCI Express controller integrated to support 2-channel (4 DIMMs) DDR3 memory and 16 PCI Express 2.0 lanes, providing great graphics performance. Intel® Lynnfield processor is one of the most powerful and energy efficient CPU in the world. Refer to page 2-5 for details. Intel® P55 The Intel® P55 Express Chipset is the latest one-chipset design to support the latest 1156 socket Intel® Core™ i7 / Core™ i5 processors. Intel® P55 provides improved performance by utilizing serial point-to-point links, allowing increased bandwidth and stability. PCIe 2.0 This motherboard supports the latest PCIe 2.0 devices for double speed and bandwidth that enhances system performance. Refer to page 2-20 for details. Quad-GPU SLI™ and Quad-GPU CrossFireX™ support! SABERTOOTH 55i brings you the multi-GPU choice of either SLI™ or CrossFireX™. The motherboard features the most powerful Intel® P55 platform to optimize PCIe allocation in multiple GPU configurations. Expect a brand-new gaming style you've never experienced before! Refer to Chapter 5 for details. Dual-Channel DDR3 2000 / 1800 / 1600 / 1333 / 1066 support The motherboard supports DDR3 memory that features data transfer rates of 2000 / 1800 / 1600 / 1333 / 1066 MHz to meet the higher bandwidth requirements of the latest 3D graphics, multimedia, and Internet applications. The dual-channel DDR3 architecture enlarges the bandwidth of your system memory to boost system performance. Refer to page 2-10 for details. Green ASUS This motherboard and its packaging comply with the European Union's Restriction on the use of Hazardous Substances (RoHS). This is in line with the ASUS vision of creating environment-friendly and recyclable products/packaging to safeguard consumers' health while minimizing the impact on the environment. 1-2 Chapter 1: Product Introduction

Section	Page
Contents	3
Notices	7
Safety information	8
About this guide	9
SABERTOOTH 55i specifications summary	11
Chapter 1: Product introduction	15
1.1 Welcome!	15
1.2 Package contents	15
1.3 Special features	16
1.3.1 Product highlights	16
1.3.2 “TUF ENGINE!” Power Design	17
1.3.3 “Ultimate COOL!” Thermal Solutions	17
1.3.4 “Safe & Stable!” Guardian Angel	18
1.3.5 ASUS exclusive features	18
Chapter 2: Hardware information	21
2.1 Before you proceed	21
2.2 Motherboard overview	22
2.2.1 Motherboard layout	22
2.2.2 Layout contents	23
2.2.3 Placement direction	24
2.2.4 Screw holes	24
2.3 Central Processing Unit (CPU)	25
2.3.1 Installing the CPU	25
2.3.2 Installing the CPU heatsink and fan	28
2.3.3 Uninstalling the CPU heatsink and fan	29
2.4 System memory	30
2.4.1 Overview	30
2.4.2 Memory configurations	31
2.4.3 Installing a DIMM	37
2.4.4 Removing a DIMM	37
2.5 Expansion slots	38
2.5.1 Installing an expansion card	38
2.5.2 Configuring an expansion card	38
2.5.3 Interrupt assignments	39
2.5.4 PCI slots	40
2.5.5 PCI Express 2.0 x1 slots (2.5GT/s)	40
2.5.6 PCI Express 2.0 x16 slots	40
2.6 Jumpers	42
2.7 Onboard switches	43
2.8 Connectors	46
2.8.1 Rear panel connectors	46
2.8.2 Audio I/O connections	47
2.8.3 Internal connectors	50
2.8.4. ASUS Q-Connector (system panel)	59
2.9 Onboard LEDs	60
2.10 Starting up for the first time	61
2.11 Turning off the computer	61
Chapter 3: BIOS setup	63
3.1 Knowing BIOS	63
3.2 Updating BIOS	63
3.2.1 ASUS Update utility	64
3.2.2 ASUS EZ Flash 2 utility	66
3.2.3 ASUS CrashFree BIOS 3 utility	67
3.2.4 ASUS BIOS Updater	67
3.3 BIOS setup program	70
3.3.1 BIOS menu screen	70
3.3.2 Menu bar	70
3.3.3 Navigation keys	71
3.3.4 Menu items	71
3.3.5 Submenu items	71
3.3.6 Configuration fields	71
3.3.7 Pop-up window	71
3.3.8 Scroll bar	71
3.3.9 General help	71
3.4 Main menu	72
3.4.1 SATA 1-6	72
3.4.2 Storage Configuration	74
3.4.3 AHCI Configuration	75
3.4.4 System Information	75
3.5 Ai Tweaker menu	76
3.5.1 Ai Overclock Tuner [Auto]	76
3.5.2 CPU Ratio Setting [Auto]	77
3.5.3 Intel(R) SpeedStep(TM) Tech [Enabled]	77
3.5.8 DRAM Frequency [Auto]	78
3.5.9 QPI Frequency [Auto]	78
3.5.10 DRAM Timing Control	78
3.5.4 Intel(R) TurboMode Tech [Enabled]	78
3.5.5 Xtreme Phase Full Power Mode [Auto]	78
3.5.6 BCLK Frequency [XXX]	78
3.5.7 PCIE Frequency [XXX]	78
3.5.11 CPU Differential Amplitude [Auto]	80
3.5.12 CPU Clock Skew [Auto]	80
3.5.13 CPU Voltage Mode [Offset]	80
3.5.14 IMC Voltage [Auto]	81
3.5.15 DRAM Voltage [Auto]	81
3.5.16 CPU PLL Voltage [Auto]	81
3.5.17 PCH Voltage [Auto]	82
3.5.18 DRAM DATA REF Voltage on CHA/B [Auto]	82
3.5.19 DRAM CTRL REF Voltage on CHA/B [Auto]	82
3.5.20 Load-Line Calibration [Auto]	82
3.5.21 CPU Spread Spectrum [Auto]	82
3.5.22 PCIE Spread Spectrum [Auto]	82
3.6 Advanced menu	83
3.6.1 CPU Configuration	83
3.6.2 North Bridge Configuration	85
3.6.3 Onboard Devices Configuration	86
3.6.4 USB Configuration	87
3.6.5 PCIPnP	88
3.6.6 Intel VT-d [Disabled]	88
3.6.7 T.Probe [Enabled]	88
3.7 Power menu	89
3.7.1 Suspend Mode [Auto]	89
3.7.2 Repost Video on S3 Resume [No]	89
3.7.3 ACPI 2.0 Support [Disabled]	89
3.7.4 ACPI APIC Support [Enabled]	89
3.7.5 EuP Ready [Disabled]	89
3.7.6 APM Configuration	90
3.7.7 Hardware Monitor	91
3.8 Boot menu	92
3.8.1 Boot Device Priority	92
3.8.2 Boot Settings Configuration	93
3.8.3 Security	94
3.9 Tools menu	96
3.9.1 ASUS O.C. Profile	96
3.9.2 Drive Xpert Configuration	98
3.9.3 AI NET 2	99
3.9.4 ASUS EZ Flash 2	99
3.10 Exit menu	100
Chapter 4: Software support	101
4.1 Installing an operating system	101
4.2 Support DVD information	101
4.2.1 Running the support DVD	101
4.2.2 Obtaining the software manuals	102
4.3 Software information	103
4.3.1 ASUS PC Probe II	103
4.3.2 ASUS Fan Xpert	104
4.3.3 VIA® High Definition Audio utility	105
4.3.4 ASUS Drive Xpert	106
4.3.5 ASUS T.Probe	107
4.4 RAID configurations	108
4.4.1 RAID definitions	108
4.4.2 Installing Serial ATA hard disks	109
4.4.3 Setting the RAID item in BIOS	109
4.4.4 Intel® Matrix Storage Manager option ROM utility	109
4.5 Creating a RAID driver disk	113
4.5.1 Creating a RAID driver disk without entering the OS	113
4.5.2 Creating a RAID driver disk in Windows®	113
4.5.3 Installing the RAID driver during Windows® OS installation	114
4.5.4 Using a USB floppy disk drive	114
Chapter 5: Multiple GPU technology support	117
5.1 ATI® CrossFireX™ technology	117
5.1.1 Requirements	117
5.1.2 Before you begin	117
5.1.3 Installing two CrossFireX™ graphics cards	118
5.1.4 Installing the device drivers	119
5.1.5 Enabling the ATI® CrossFireX™ technology	119
5.2 NVIDIA® SLI™ technology	121
5.2.1 Requirements	121
5.2.2 Installing two SLI-ready graphics cards	121
5.2.3 Installing the device drivers	122

Match case Limit results 1 per page

1-2

Chapter 1: Product Introduction

Chapter 1

1.3

Special features

1.3.1

Product highlights

Intel

LGA1156 Lynnﬁeld Processor Ready

This motherboard supports the latest Intel

Lynnﬁeld processors in LGA1156 package, which

has memory and PCI Express controller integrated to support 2-channel (4 DIMMs) DDR3

memory and 16 PCI Express 2.0 lanes, providing great graphics performance. Intel

Lynnﬁeld

processor is one of the most powerful and energy efﬁcient CPU in the world. Refer to page

2-5 for details.

Intel

P55

The Intel

P55 Express Chipset is the latest one-chipset design to support the latest 1156

socket Intel

Core™ i7 / Core™ i5 processors. Intel

P55 provides improved performance by

utilizing serial point-to-point links, allowing increased bandwidth and stability.

PCIe 2.0

This motherboard supports the latest PCIe 2.0 devices for double speed and bandwidth that

enhances system performance. Refer to page 2-20 for details.

Quad-GPU SLI™ and Quad-GPU CrossFireX™ support!

SABERTOOTH 55i brings you the multi-GPU choice of either SLI™ or CrossFireX™. The

motherboard features the most powerful Intel

P55 platform to optimize PCIe allocation in

multiple GPU conﬁgurations. Expect a brand-new gaming style you’ve never experienced

before! Refer to Chapter 5 for details.

Dual-Channel DDR3 2000 / 1800 / 1600 / 1333 / 1066 support

The motherboard supports DDR3 memory that features data transfer rates of 2000 / 1800 /

1600 / 1333 / 1066 MHz to meet the higher bandwidth requirements of the latest 3D graphics,

multimedia, and Internet applications. The dual-channel DDR3 architecture enlarges the

bandwidth of your system memory to boost system performance. Refer to page 2-10 for

details.

Green ASUS

This motherboard and its packaging comply with the European Union’s Restriction on the

use of Hazardous Substances (RoHS). This is in line with the ASUS vision of creating

environment-friendly and recyclable products/packaging to safeguard consumers’ health

while minimizing the impact on the environment.