American Megatrends LGA1155 Specifications

Industrial MotherboardEMB-B75A

EMB-B75A2-22.2 Motherboard layoutHDMI3HDMI2EATX_PWR2ALC887RTL8111ERTL8111FASM1442EPUPS161PS161SuperI/OCLRTC1ATMODE17.0cm(6.7in)17.0cm(6.7in)EATXPWR1D

2-3Chapter 2: Motherboard informationConnectors/Jumpers/SlotsPage1. ATX power connectors (24-pin EATX_PWR1, 4-pin EATX_PWR2) 2-162. SATA Power connect

EMB-B75A2-42.3 Screw size2.3.1 Component side9.7030.2751.3478.00107.46131.31150.04170.000.0079.7936.92171.588.8630.0035.9941.1948.2555.310.0052.0581

2-5Chapter 2: Motherboard information2.3.2 Solder side10.0750.0457.3532.9369.5487.54105.54100.60125.04165.01170.000.006.2614.7945.2970.3481.42142.431

EMB-B75A2-6IMPORTANT: Unplug all power cables before installing the CPU.CAUTION!• Upon purchase of the motherboard, ensure that the PnP cap is on t

2-7Chapter 2: Motherboard information2.4.1 Installing the CPU1CAUTION! The LGA1156 CPU is incompatible with the LGA1155 socket. DO NOT install a

EMB-B75A2-8ABC45

2-9Chapter 2: Motherboard information2.4.2 CPU heatsink and fan assembly installationCAUTION! Apply the Thermal Interface Material to the CPU heatsi

EMB-B75A2-10ABBATo uninstall the CPU heatsink and fan assembly21

2-11Chapter 2: Motherboard information2.5 System memory2.5.1 Installing a DIMMTo remove a DIMM123AB

iiE7587First Edition (V1)August 2012Copyright NoticeThis document is copyrighted, 2012. All rights are reserved. The original manufacturer reserves th

EMB-B75A2-122.6 Jumpers1. Clear RTC RAM (CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory

2-13Chapter 2: Motherboard information2. AT Mode (ATMODE)AT MODE 1-2ATX MODE 2-33. COM1 Ring/+5V/+12V selection (COM1_VSET1)+12V 1-2+5V 3-4Ring 5-6E

EMB-B75A2-144. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio sources. 5. Line Out port (lime). This port co

2-15Chapter 2: Motherboard informationAudio2,4,6-channelcongurationPort 2-channel 4-channel6-channelLight Blue (Rear panel)Line InRear Speaker Ou

EMB-B75A2-16IMPORTANT:• 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.

2-17Chapter 2: Motherboard informationCAUTION: Do not forget to connect the fan cables to the fan connectors. Insufcientairowinsidethesyste

EMB-B75A2-183. System panel connector (10-1 pin F_PANEL)This connector supports several chassis-mounted functions.• System power LED (2-pin PLED)Thi

2-19Chapter 2: Motherboard information4. Intel® B75 Serial ATA 3.0Gb/s connectors (7-pin SATA3G_1~2)These connectors connect to Serial ATA 3.0 Gb/s h

EMB-B75A2-206. USB 3.0 connector (20-1 pin USB3_23)This connector is for the additional USB 3.0 ports. Connect the USB 3.0 bracket cable to this conn

2-21Chapter 2: Motherboard information7. USB 2.0 connectors (10-1 pin USB89, USB1011)These connectors are for USB 2.0 ports. Connect the USB module c

iiiContentsChapter 1: Product overview1.1 Package contents ... 1-11.2 Feature

EMB-B75A2-228. Serial port connectors (10-1 pin COM1, COM2)These connectors are for serial (COM) ports. Connect the serial port module cable to this

2-23Chapter 2: Motherboard informationEMB-B75A SATA_POWER connector10. SATA power connector (SATA_POWER)

EMB-B75A2-24

Chapter 3: BIOS setup3-13.1 BIOS setup programUsetheBIOSSetupprogramtoupdatetheBIOSorcongureitsparameters.TheBIOS screens include navi

3-2EMB-B75A3.1.2 Menu barThe menu bar on top of the screen has the following main items:Main Forchangingthebasicsystemconguration.Advanced For

Chapter 3: BIOS setup3-33.1.3 Navigation keysAt the bottom right corner of a menu screen are the navigation keys for that particular menu. Use the na

3-4EMB-B75A3.2 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system information.R

Chapter 3: BIOS setup3-53.3 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other system devices.Be cautious wh

3-6EMB-B75AIntel(R) Virtualization Tech [Enabled]Enables or disables Intel® Virtualization Technology. Virtualization enhanced by Intel® Virtualizatio

Chapter 3: BIOS setup3-73.3.6USBCongurationThe items in this menu allow you to change the USB-related features.The USB Devices item shows the auto-

ivContents3.3 Advanced menu ... 3-53.3.1 ACPI Setting ...

3-8EMB-B75A3.3.8 H/W MonitorThe items in this menu allows you to monitor the hardware status.CPU Fan/SYS Fan Control [Enabled]Allows you to enable or

Chapter 3: BIOS setup3-9BIOSSecurityCongurationAllowsyoutoconguretheBIOSSecuritysettings.Power Mode [Enabled]Allows you to select the power

3-10EMB-B75ASLP_S4 Assertion Width [Enabled]Allows you to set the minimum assertion width of the SLP_S4 signal.Congurationoptions:[1-2seconds][2-

Chapter 3: BIOS setup3-11MemoryCongurationAllowsyoutocongurethememorysettings.MemoryThermalCongurationAllowsyoutoconguretheMemoryTh

3-12EMB-B75ALaunch Video OpROM policy [Legacy only]Controls the launch of UEFI and Legacy Video OpROM. Congurationoptions:[Donotlaunch][UEFIonl

Chapter 3: BIOS setup3-13User PasswordIf you have set a user password, you must enter the user password for accessing the system. The User Password it

3-14EMB-B75ARestore DefaultsThis option allows you to load the default values for each of the parameters on theSetupmenus.Whenyouselectthisoptio

EMB-B75AA-1AppendixNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the f

A-2EMB-B75A

1-1Chapter 1: General information1.1 Package contentsCheck your industrial motherboard package for the following items. 1 x Industrial Motherboard

EMB-B75A1-21.3 SpecicationsSYSTEMForm factorMini-ITXCPULGA1155 socket for Intel® 2nd Generation Core™ i7 / Core™ i5 /Core™ i3 processorsSupports Int

1-3Chapter 1: General informationDISPLAYChipsetIntel® Ivy Bridge +B75ResolutionUp to 1920x1200@60Hz for CRTUp to 1920x1080@60Hz for HDMIMaximum shared

EMB-B75A1-4

2-1Chapter 2: Motherboard informationChapter 2Motherboard information2.1 Before you proceedTake note of the following precautions before you install