Asus P8B75-M LE Specifications Page 1

MotherboardP8B75-M

x* Specications are subject to change without notice. BIOS features 128 Mb Flash ROM, UEFI BIOS, PnP, DMI v2.0, WfM 2.0, ACPI v2.0a, SM BIOS v2.

1-1Chapter 1: Product introductionChapter 1Product introduction Motherboard ASUS P8B75-M motherboardCables 1 x Serial ATA 6.0Gb/s cable 1 x Se

ASUS P8B75-M1-2Intel® B75 Express ChipsetThe Intel® B75 Express Chipset is a single-chipset designed to support the 1155 socket Intel® 3rd/2nd generat

1-3Chapter 1: Product introduction1.3.2 Innovative ASUS featuresASUS UEFI BIOSFlexible and Easy BIOS Interface ASUS UEFI BIOS offers the rst mouse-c

ASUS P8B75-M1-4MemOK!MemOK! quickly ensures memory boot compatibility. This remarkable memory rescue tool requires a mere push of the button to patch

1-5Chapter 1: Product introduction1.4 Before you proceedTake note of the following precautions before you install motherboard components or change an

ASUS P8B75-M1-6P8B75-M1.5 Motherboard overviewBefore you install the motherboard, study the conguration of your chassis to ensure that the motherboa

1-7Chapter 1: Product introduction1.5.3 Motherboard layout1.5.4 Layout contentsConnectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page1.

ASUS P8B75-M1-81.6 Central Processing Unit (CPU)The motherboard comes with a surface mount LGA1155 socket designed for the Intel® 3rd/2nd Generation

1-9Chapter 1: Product introduction1.6.1 Installing the CPU123The LGA1156 CPU is incompatible with the LGA1155 socket. DO NOT install a LGA1156 CPU on

iiE7437Second Edition (V2) September 2012Copyright © 2012 ASUSTeK Computer Inc. All Rights Reserved.No part of this manual, including the products and

ASUS P8B75-M1-10ABC54

1-11Chapter 1: Product introduction1.6.2 CPU heatsink and fan assembly installationApply the Thermal Interface Material to the CPU heatsink and CPU b

ASUS P8B75-M1-12ABBATo uninstall the CPU heatsink and fan assembly21

1-13Chapter 1: Product introductionP8B75-MP8B75-M 240-pin DDR3 DIMM socketsDIMM_A1DIMM_A2DIMM_B1DIMM_B21.7 System memory1.7.1 OverviewThe motherboar

ASUS P8B75-M1-14P8B75-M Motherboard Qualied Vendors Lists (QVL) DDR3-2400 MHz capabilityVendors Part No. SizeSS/DSChip BrandChip NO.Timing VoltageDIM

1-15Chapter 1: Product introductionDDR3-1600 MHz capabilityVendors Part No. SizeSS/DSChip BrandChip NO. Timing VoltageDIMM socket support (Optional)1

ASUS P8B75-M1-16(continued on the next page)DDR3-1333 MHz capabilityVendors Part No. SizeSS/DSChip BrandChip NO. Timing VoltageDIMM socket support (Op

1-17Chapter 1: Product introductionDDR3-1333 MHz capabilityVendors Part No. SizeSS/DSChip Brand Chip NO. Timing VoltageDIMM socket support (Optional)1

ASUS P8B75-M1-18DDR3-1066 MHz capabilitySide(s): SS - Single-sided DS - Double-sided DIMM support:• 1 DIMM: Supports one (1) module inserted into

1-19Chapter 1: Product introduction1.7.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failure

iiiContentsSafety information ... viAbout this guide ...

ASUS P8B75-M1-201.8 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slots and the expa

1-21Chapter 1: Product introductionIRQ assignments for this motherboardA B C D E F G HIntel PCH SATA controller #0 – – – shared – – – –Intel PCH SATA

ASUS P8B75-M1-222. Clear RTC RAM (3-pin CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of

1-23Chapter 1: Product introduction1.10 Connectors1.10.1 Rear panel connectors1. PS/2 Mouse port (green). This port is for a PS/2 mouse.2. Video G

ASUS P8B75-M1-247. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0/1.1 devices.8. USB 3

1-25Chapter 1: Product introduction1.10.2 Internal connectors1. Front panel audio connector (10-1 pin AAFP)This connector is for a chassis-mounted f

ASUS P8B75-M1-26• For a fully congured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12 V Specication 2.0 (or

1-27Chapter 1: Product introductionDo not forget to connect the fan cables to the fan connectors. Insufcient air ow inside the system may damage the

ASUS P8B75-M1-287. System panel connector (10-1 pin F_PANEL)This connector supports several chassis-mounted functions.• System power LED (2-pin PLED

1-29Chapter 1: Product introduction9. Intel® B75 Serial ATA 3.0Gb/s connectors (7-pin SATA3G_1~5 [blue])These connectors connect to Serial ATA 3.0 Gb

ivContents1.13 Software support ... 1-341.13.1 Installing an operating system .

ASUS P8B75-M1-3011. USB 3.0 connector (20-1 pin USB3_34)This connector is for the additional USB 3.0 ports. Connect the USB 3.0 bracket cable to this

1-31Chapter 1: Product introduction13. TPM connector (20-1 pin TPM) This connector supports a Trusted Platform Module (TPM) system, which can securel

ASUS P8B75-M1-32MemOK! switchInstalling DIMMs that are incompatible with the motherboard may cause system boot failure, and the DRAM_LED near the MemO

1-33Chapter 1: Product introduction1.12 Onboard LEDs1. Standby Power LEDThe motherboard comes with a standby power LED that lights up to indicate th

ASUS P8B75-M1-341.13 Software support1.13.1 Installing an operating systemThis motherboard supports Windows® XP / 7 Operating Systems (OS). Always i

1-35Chapter 1: Product introduction1.13.3 Intel® SBA supportIntel® SBA (Small Business Advantage) is a combination of hardware and software that prov

ASUS P8B75-M1-36

Chapter 2: BIOS information 2-1Chapter 2BIOS informationSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to restor

2-2 ASUS P8B75-M2.1.2 ASUS EZ Flash 2The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility. Before you start us

Chapter 2: BIOS information 2-3• This function supports USB ash disks with FAT 32/16 format and single partition only.• DO NOT shut down or reset t

vContents2.5.5 System Agent Conguration ... 2-182.5.6 ME Subsystem ...

2-4 ASUS P8B75-MWelcome to FreeDOS (http://www.freedos.org)!C:\>d:D:\>3. When the Make Disk menu appears, select the FreeDOS command prompt it

Chapter 2: BIOS information 2-5Updating the BIOS leTo update the BIOS le using BIOS Updater1. At the FreeDOS prompt, type bupdater /pc /g and press

2-6 ASUS P8B75-MUsing the power button, reset button, or the <Ctrl>+<Alt>+<Del> keys to force reset from a running operating system

Chapter 2: BIOS information 2-7EZ ModeBy default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you an overvi

2-8 ASUS P8B75-MAdvanced ModeThe Advanced Mode provides advanced options for experienced end-users to congure the BIOS settings. The gure below show

Chapter 2: BIOS information 2-9Pop-up windowSelect a menu item and press <Enter> to display a pop-up window with the conguration options for th

2-10 ASUS P8B75-M2.3.1 System Language [English]Allows you to choose the BIOS language version from the options. Conguration options: [English] [E

Chapter 2: BIOS information 2-11Administrator PasswordIf you have set an administrator password, we recommend that you enter the administrator passwor

2-12 ASUS P8B75-MMainAi TweakerAdvanced Monitor Boot ToolExitVersion 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.Forces a DDR3 fre

Chapter 2: BIOS information 2-132.4.3 EPU Power Saving Mode [Disabled]Allows you to enable or disable the EPU power saving function. Conguration opt

viSafety informationElectrical safety• To prevent electric shock hazard, disconnect the power cable from the electric outlet before relocating the sy

2-14 ASUS P8B75-MLong Duration Maintained [Auto]Allows you to maintain the turbo ratio’s long duration power. Use the <+> and <-> keys to

Chapter 2: BIOS information 2-152.4.12 PCH Voltage [Auto]Allows you to set the Platform Controller Hub voltage. The values range from 0.7350V to 1.68

2-16 ASUS P8B75-M2.5.2 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.The items shown in

Chapter 2: BIOS information 2-17CPU Power Management CongurationCPU Ratio [Auto]Allows you to set the ratio between the CPU Core Clock and the BCLK F

2-18 ASUS P8B75-MS.M.A.R.T. Status Check [Enabled]S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is a monitor system. When read/write

Chapter 2: BIOS information 2-192.5.7 AMT CongurationThe items in this menu allow you to change the Intel® Active Management Technology (AMT) featur

2-20 ASUS P8B75-MLegacy USB3.0 Support [Enabled]This item appears only on P8Q67-M DO/USB3/TPM. [Enabled] Enables the support for USB 3.0 devices on l

Chapter 2: BIOS information 2-21Change Settings [IO=3F8h; IRQ=4]Allows you to select the Serial Port base address. Conguration options: [IO=3F8h; IRQ

2-22 ASUS P8B75-M2.6 Monitor menuThe Monitor menu displays the system temperature/power status, and allows you to change the fan settings.Scroll down

Chapter 2: BIOS information 2-232.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]The onboard hardware monitor automatically detects and displays t

viiConventions used in this guideTo ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.

2-24 ASUS P8B75-M2.6.4 Chassis Q-Fan Control [Enabled][Disabled] Disables the Chassis Q-Fan control feature.[Enabled] Enables the Chassis Q-Fan con

Chapter 2: BIOS information 2-252.7 Boot menuThe Boot menu items allow you to change the system boot options.2.7.1 Bootup NumLock State [On][On] Se

2-26 ASUS P8B75-M2.7.4 Option ROM Messages [Force BIOS][Force BIOS] The third-party ROM messages will be forced to display during the boot sequence.

Chapter 2: BIOS information 2-272.8 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <

2-28 ASUS P8B75-M2.9 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes t

ASUS P8B75-M A-1AppendicesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the f

A-2 AppendicesVCCI: Japan Compliance StatementVCCI Class B StatementKC: Korea Warning StatementCanadian Department of Communications StatementThis dig

ASUS contact informationASUSTeK COMPUTER INC.Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259Telephone +886-2-2894-3447Fax +886-2

EC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTek COMPUTER INC. Address, City: No. 150, LI-TE RD., PEITOU, TAIPEI 112, TAIWAN R.

viiiP8B75-M specications summary(continued on the next page)CPU LGA1155 socket for Intel® 3rd/2nd Generation Core™ i7 / Core™ i5 / Core™ i3 / Pent

ixP8B75-M specications summaryASUS unique features ASUS Exclusive Features: - ASUS EPU - GPU Boost - Network iControl featuring instant netwo