.e u ua ls an em ev ic .d B75A-G43 series w w w MS-7758 (v2.
.e u ua ls English w w w .
MS-7758 Mainboard Mainboard Specifications Processor Support ■ Support 3rd Generation Intel® Core™ i7/ Core™ i5/ Core™ i3/ Pentium®/ Celeron® Processors for LGA 1155 socket (For the latest information about CPU, please visit http://www.msi.com/service/cpu-support) Chipset ■ Intel® B75 chipset Memory Support .e u ■ 4x DDR3 DIMMs support DDR3 1600/ 1333/ 1066 DRAM (32GB Max.) ■ Supports Dual-Channel mode, two DIMMs per channel (For the latest information about memory, please visit http://www.msi.
Connectors .e u ua ls an Slots Form Factor ev ic em ■ 1x PCIe 3.0 x16 slot, PCI_E2, it supports up to PCIe 3.0 x16 speed ■ 1x PCIe 2.0 x16 slot, PCI_E4, it supports up to PCIe 2.0 x4 speed ■ 2x PCIe 2.0 x1 slots ■ 3x PCI slots ■ ATX (30.5 cm X 24.4 cm) w w w .d Mounting Screw Holes ■ 9x mounting holes If you need to purchase accessories and request the part numbers, you could search the product web page and find details on our web address http://www.msi.com/index.
MS-7758 Mainboard Connectors Quick Guide JPWR2 DIMM3 CPU SYSFAN3 DIMM2 DIMM1 DIMM4 CPUFAN SYSFAN1 ua ls .e u Back Panel an PCI_E3 JBAT1 JCI1 .
Connectors Reference Guide Page Back Panel I/O Ports En-6 CPU LGA 1155 CPU Socket En-9 CPUFAN,SYSFAN1~4 Fan Power Connectors En-19 DIMM1~4 DDR3 Memory Slots En-14 JAUD1 Front Panel Audio Connector En-23 JBAT1 Clear CMOS Jumper En-25 JCI1 Chassis Intrusion Connector En-22 JCOM1 Serial Port Connector JDLED3 Voice Genie Connector JFP1, JFP2 Front Panel Connectors En-20 JLPT1 Parallel Port Connector En-24 JPWR1 ATX 24-pin Power Connector En-13 JPWR2 ATX 8-pin Power Connecto
MS-7758 Mainboard Back Panel Quick Guide Mouse/ Keyboard LAN VGA Port Line-In USB 3.0 Port RS-Out Line-Out CS-Out Mic USB 2.0 Port USB 2.0 Port SS-Out DVI-D Port HDMI Port ua ls .e u ▶ Mouse/Keyboard A combination PS/2® mouse/keyboard DIN connector for a PS/2® mouse/keyboard. Color LED State Left Yellow Off LAN link is not established. On(Steady) LAN link is established. Off w .
▶ HDMI Port The High-Definition Multimedia Interface (HDMI) is an all-digital audio-video interface that is capable of transmitting uncompressed streams. HDMI supports all types of TV formats, including standard, enhanced, or high-definition video, plus multi-channel digital audio on a single cable. .e u ▶ DVI-D Port The DVI-D (Digital Visual Interface- Digital) connector can be connected to a LCD monitor, or a CRT monitor with an adapter.
MS-7758 Mainboard CPU (Central Processing Unit) Introduction to the LGA 1155 CPU The surface of the LGA 1155 CPU has two alignment keys and a yellow triangle to assist in correctly lining up the CPU for mainboard placement. The yellow triangle is the Pin 1 indicator. ua ls .e u Alignment Key ev ic em an Yellow triangle is the Pin 1 indicator .d Important w w w Overheating Overheating can seriously damage the CPU and mainboard.
CPU & Cooler Installation When installing a CPU, always remember to install a CPU cooler. A CPU cooler is necessary to prevent overheating and maintain system stability. Follow the steps below to ensure correct CPU and CPU cooler installation. Wrong installation can damage both the CPU and the mainboard. ev ic em an ua ls .e u loading 2. The plate should automatically lift up as the loading lever is pushed to the fully open position. Do not touch any of the CPU socket pins. 4.
MS-7758 Mainboard 6. Evenly spread a thin layer of thermal paste (or thermal tape) on the top of the CPU. This will help in heat dissipation and prevent CPU overheating. 8. Place the heatsink on the mainboard with the fan’s wires facing towards the fan connector and the hooks matching the holes on the mainboard. w w w .d ev ic em 7. Locate the CPU fan connector on the mainboard. an ua ls .e u 5. Inspect the CPU to check if it is properly seated in the socket.
9. Push down on the heatsink until the four clips get wedged into the holes on the mainboard. Press the four hooks down to fasten the cooler. As each hook locks into position a click should be heard. 10. Inspect the mainboard to ensure that the clip-ends have been properly locked in place. English Mainboard an w w w .d ev ic em 11. Finally, attach the CPU fan cable to the CPU fan connector on the mainboard. ua ls .e u Hook Important • Do not touch the CPU socket pins.
MS-7758 Mainboard Mounting Screw Holes When installing the mainboard, first install the necessary mounting stands required for a mainboard on the mounting plate in your computer case. If there is an I/O back plate that came with the computer case, please replace it with the I/O backplate that came with the mainboard package. The I/O backplate should snap easily into the computer case without the need for any screws.
Power Supply JPWR1: ATX 24-pin Power Connector an ua ls .e u d n u ro V .G 5 V 4 2 3.+ +5 V d 2 2. +5 s un d 2 1. e o n d 2 0.R Gr rou un # 2 9. G ro ON d - n 1 8. 1 7.G PS ou 1 6. Gr 2V V 1 . 1 .3 5 1 4.- +3 1 3. 1 V .3 3 V .+ 2 V 2 1 2 1 1.+ +1 B OK 1 0. VS R nd 1 .5 W u 9 .P ro nd 8 .G 5V u d 7 .+ ro 6 .G 5V un 5 .+ ro 3V 4 G . V . 3 .+3 3.3 2 .+ 1 em JPWR2: ATX 8-pin Power Connector .d w w V 2 1 V .+ 2 V 8 .+1 2 V 7 .+1 12 6 .+ 5 w d n u d ro un nd .G ro u d 4 .G ro un 3 .G ro 2 .
MS-7758 Mainboard Memory These DIMM slots are used for installing memory modules. For more information on compatible components, please visit http://www.msi.com/service/test-report DDR3 240-pin, 1.5V 48x2=96 pin 72x2=144 pin Dual-Channel mode Population Rule ua ls .e u In Dual-Channel mode, the memory modules can transmit and receive data with two data bus channels simultaneously. Enabling Dual-Channel mode can enhance system performance.
Installing Memory Modules 1. Unlock the DIMM slot by pushing the mounting clips to the side. Vertically insert the memory module into the DIMM slot. The memory module has an off-center notch on the bottom that will only allow it to fit one way into the DIMM slot. em an ua ls .e u 3. Manually check if the memory module has been locked in place by the DIMM slot’s side clips. w w w .d ev ic Notch Volt En-15 English 2. Push the memory module deep into the DIMM slot.
MS-7758 Mainboard Expansion Slots This mainboard contains numerous ports for expansion cards, such as discrete graphics or audio cards. PCIe (Peripheral Component Interconnect Express) Slot The PCIe slot supports the PCIe interface expansion card. ua ls .e u PCIe 3.0 x16 Slot w w w .d ev ic em an PCIe 2.0 x16 Slot En-16 PCIe 2.
PCI (Peripheral Component Interconnect) Slot The PCI slot supports additional LAN, SCSI, USB, and other add-on cards that comply with PCI specifications. English 32-bit PCI Slot Important PCI Interrupt Request Routing an ua ls .e u When adding or removing expansion cards, always turn off the power supply and unplug the power supply power cable from the power outlet. Read the expansion card’s documentation to check for any necessary additional hardware or software changes.
MS-7758 Mainboard Internal Connectors SATA1~6: SATA Connector an ua ls .e u This connector is a high-speed SATA interface port. Each connector can connect to one SATA device. SATA devices include disk drives (HDD), solid state drives (SSD), and optical drives (CD/ DVD/ Blu-Ray). em * The MB layout in this figure is for reference only. SATA2 ev ic SATA4 SATA6 SATA1 SATA2~6 (3Gb/s) .
CPUFAN,SYSFAN1~4: Fan Power Connectors CPUFAN w w .d ev ic d n u ol ro ntr or .G o s e 1 .C en us 2 .S o 3 .N 4 em an ua ls .e u d n u ro 2V or l .G 1 s o 1 .+ en tr 2 .S on 3 .C 4 SYSFAN1/ SYSFAN2 w SYSFAN3/ SYSFAN4 e se g U d a n lt o u o /N ro N V or .G A s 1 .F en 2 .S 3 Important • Please refer to your processor’s official website or consult your vendor to find recommended CPU cooling fans. • The CPUFAN connector supports Smart Fan Control with linear mode.
MS-7758 Mainboard JFP1, JFP2: Front Panel Connectors These connectors connect to the front panel switches and LEDs. The JFP1 connector is compliant with the Intel® Front Panel I/O Connectivity Design Guide. When installing the front panel connectors, please use the enclosed mConnectors to simplify installation. Plug all the wires from the computer case into the mConnectors and then plug the mConnectors into the mainboard. Spe ake r zer 2 .+ 8 .6 .+ 4 . Buz P o w e r in P o 8. + . .N 6 0 . 4 + .
JUSB3: USB 3.0 Expansion Connector The USB 3.0 port is backwards compatible with USB 2.0 devices. It supports data transfer rates up to 5Gbits/s (SuperSpeed). ua ls .e u English 115V ev ic .d w N D _ DP N r X _ D e R X _ P w _ o B3 _R _C _D .P S 3 d X C 1 .U SB un T _ 2 .U ro 3_ TX 3 .G SB 3_ d 4 .U B n 0 5 US rou 2. 0 + . 6 G B 2. nd S . 7 U B u . S 8 .U ro 9 0.G 1 em an N D _ DP in N P r X _ D o e _R X _ P C D .N w 3 R _ _ 0 o B _ 2 .P S B3 nd X _C T 9 1 8.U S ou _ X 1 7.U Gr B3 _T 1 6.
MS-7758 Mainboard JUSB1~2: USB 2.0 Expansion Connectors This connector is designed for connecting high-speed USB peripherals such as USB HDDs, digital cameras, MP3 players, printers, modems, and many others. 115V d C un + .N o 1 0 r B 11 .G 8 US B . S 6 .U C 4 VC . 2 .e u in P nd o u + .N ro 0 9 G B 0. 7 .US B S 5 .U CC 3 .V 1 * The MB layout in this figure is for reference only. ua ls USB 2.
JAUD1: Front Panel Audio Connector This connector allows you to connect the front audio panel located on your computer case. This connector is compliant with the Intel® Front Panel I/O Connectivity Design Guide. io English ct te e D e n o n h io P ct d e a e in et .H P D 0 o 1 .N IC d 8 M n . C 6 .N ou 4 Gr . 2 n em an ua ls .e u L e D n o N h E R P _S ne d o a E h e NS P .H E d 9 .S ea R 7 .H IC L 5 .M IC 3 .
MS-7758 Mainboard JCOM1: Serial Port Connector This connector is a 16550A high speed communication port that sends/receives 16 bytes FIFOs. You can attach a serial device. in P o .N S 0 T R 1 .C S 8 D R . 6 T .D N 4 SI . 2 ua ls .e u I S d .R T n 9 . R r ou T 7 .G U 5 .SO C D 3 .D 1 JLPT1: Parallel Port Connector w En-24 T C L Y .S 5 E S 2 3.P U K# 7 2 1.B C ND 6 2 9.A R ND 5 1 .P R ND 4 7 1 5.P R ND 3 1 .P 3 R D 2 1 1.P RN D 1 1 .P N D 9 .PR N D0 7 .PR N B# 5 .PR ST 3 .R 1 w w .
JDLED3: Voice Genie Connector (optional) This connector is used to link to the voice control module (optional). Please refer to its user guide for more details and usages. .e u ua ls an em JBAT1: Clear CMOS Jumper w w w .d ev ic There is CMOS RAM onboard that is external powered from a battery located on the mainboard to save system configuration data. With the CMOS RAM, the system can automatically boot into the operating system (OS) every time it is turned on.
MS-7758 Mainboard BIOS Setup CLICK BIOS II is developed by MSI that provides a graphical user interface for setting parameters of BIOS by using the mouse and the keybord. With the CLICK BIOS II, users can change BIOS settings, monitor CPU temperature, select the boot device priority and view system information such as the CPU name, DRAM capacity, the OS version and the BIOS version. Users can import and export parameters data for backup or sharing with friends.
Overview After entering CLICK BIOS II, the following screen is displayed. System information Temperature monitor Boot device priority bar BIOS menu selection ua ls .e u BIOS menu selection em an Menu display Important ev ic The pictures in this guide are for reference only and may vary from the product you purchased. Please refer to the actual screens of your system for detailed information. w w w .d ▶ Temperature monitor This block shows the temperature of the processor and the mainboard.
MS-7758 Mainboard ▶ Boot device priority bar You can move the device icons to change the boot priority. ▶ Boot menu This button is used to open a boot menu. Click the item to boot the system from the device instantly. ▶ Mode selection This feature allows you to load presets of energy saving or overclocking. ▶ Menu display This area provides BIOS setting menu that allows you to change parameters. Boot device priority bar ua ls High priority .e u This bar shows the priority of the boot devices.
Operation CLICK BIOS II allows you to control BIOS settings with the mouse and the keyboard. The following table lists and describes the hot keys and the mouse operations. Hot key Mouse Description <↑↓→← > Select Item English Move the cursor Select Icon/ Field .
MS-7758 Mainboard OC Menu an ua ls .e u This menu is for advanced users who want to overclock the mainboard. em Important ev ic • Overclocking your PC manually is only recommended for advanced users. • Overclocking is not guaranteed, and if done improperly, can void your warranty or severely damage your hardware. w .d • If you are unfamiliar with overclocking, we advise you to use OC Genie for easy overclocking.
▶ Intel Turbo Boost Enables or disables Intel Turbo Boost which automatically boosts CPU performance above rated specifications (when applications requests the highest performance state of the processor). ▶ Adjusted DRAM Frequency It shows the adjusted DRAM frequency. Read-only. ua ls .e u ▶ DRAM Timing Mode Select whether DRAM timing is controlled by the SPD (Serial Presence Detect) EEPROM on the DRAM module.
MS-7758 Mainboard ▶ tWTR Determines minimum time interval between the end of write data burst and the start of a column-read command; allows I/O gating to overdrive sense amplifies before read command starts. ▶ tRRD Specifies the active-to-active delay of different banks. ▶ tRTP Time interval between a read and a precharge command. ▶ tFAW This item is used to set the tFAW (four activate window delay) timing. ▶ tWCL This item is used to set the tWCL (Write CAS Latency) timing. ev ic em an ua ls .
▶ Overclocking Profiles Press to enter the sub-menu. ▶ Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 Press to enter the sub-menu. English ▶ Set Name for Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 Give a name by typing in this item. ▶ Save Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 Save the current overclocking settings to ROM for selected profile. ▶ Load/ Clear Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 Load/ Clear the stored profile settings from ROM.
MS-7758 Mainboard ▶ Execute Disable Bit Can prevent certain classes of malicious “buffer overflow” attacks where worms can try to execute code to damage your system. It is recommended you keep this enabled always. ▶ Intel Virtualization Tech Enhances virtualization and allows the system to act as multiple virtual systems. See Intel’s official website for more information. ▶ Intel VT-D Tech This item is used to enable/disable the Intel VT-D technology.
Updating the BIOS with Live Update This section tells you how to update the BIOS by using the Live Update utility before entering Operating System. Live Update will update the BIOS automatically when connecting to the Internet. To update the BIOS with the Live Update utility: 1. Click Live Update button installed). on the BIOS UTILITIES menu. (The Winki must be ua ls .e u English 3. Click the next button . if necessary. an 2. Setup the connection by click the setting button w w w .
MS-7758 Mainboard Software Information Take out the Driver/Utility Disc that is included in the mainboard package, and place it into the optical drive. The installation will auto-run, simply click the driver or utility and follow the pop-up screen to complete the installation. The Driver/Utility Disc contains the: - Driver menu : It provides available drivers. Install the driver by your desire and to activate the device. - Utility menu : It allows you to install the available software applications.
