ASRock B75M-GL User Manual [en, ru, de, es, fr, it]
Copyright Notice:
No part of this installation guide may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation
by the purchaser for backup purpose, without written consent of ASRock Inc.
Products and corporate names appearing in this guide may or may not be registered
trademarks or copyrights of their respective companies, and are used only for identication or explanation and to the owners’ benet, without intent to infringe.
Disclaimer:
Specications and information contained in this guide are furnished for informational use
only and subject to change without notice, and should not be constructed as a commitment by ASRock. ASRock assumes no responsibility for any errors or omissions that may
appear in this guide.
With respect to the contents of this guide, ASRock does not provide warranty of any kind,
either expressed or implied, including but not limited to the implied warranties or condi-
tions of merchantability or tness for a particular purpose. In no event shall ASRock, its
directors, ofcers, employees, or agents be liable for any indirect, special, incidental, or
consequential damages (including damages for loss of prots, loss of business, loss of
data, interruption of business and the like), even if ASRock has been advised of the possibility of such damages arising from any defect or error in the guide or product.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
CALIFORNIA, USA ONLY
The Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance
controlled in Perchlorate Best Management Practices (BMP) regulations passed by the
California Legislature. When you discard the Lithium battery in California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see
www.dtsc.ca.gov/hazardouswaste/perchlorate”
ASRock Website: http://www.asrock.com
Published May 2012
Copyright©2012 ASRock INC. All rights reserved.
ASRock B75M-GL Motherboard
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Motherboard Layout
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1 Power Fan Connector (PWR_FAN1)
2 ATX 12V Power Connector (ATX12V1)
3 1155-Pin CPU Socket
4 CPU Fan Connector (CPU_FAN1)
5 2 x 240-pin DDR3 DIMM Slots
(DDR3_A1, DDR3_B1, Black)
6 ATX Power Connector (ATXPWR1)
7 SATA3 Connector (SATA3_0, Gray)
8 Chassis Fan Connector (CHA_FAN1)
9 Intel B75 Chipset
10 SPI Flash Memory (64Mb)
11 SATA2 Connector (SATA2_1, Black)
12 SATA2 Connector (SATA2_3, Black)
13 SATA2 Connector (SATA2_4, Black)
14 Chassis Speaker Header (SPEAKER1)
15 SATA2 Connector (SATA2_5, Black)
ASRock B75M-GL Motherboard
16 SATA2 Connector (SATA2_2, Black)
17 System Panel Header (PANEL1, Black)
18 USB 2.0 Header (USB6_7, Black)
19 USB 2.0 Header (USB8_9, Black)
20 Consumer Infrared Module Header
(CIR1, Gray)
21 Infrared Module Header (IR1)
22 COM Port Header (COM1)
23 Print Port Header (LPT1)
24 PCI Express 2.0 x16 Slot (PCIE2, Black)
25 PCI Slot (PCI2, Black)
26 PCI Slot (PCI1, Black)
27 PCI Express 3.0 x16 Slot (PCIE1, Black)
28 Front Panel Audio Header
(HD_AUDIO1, Black)
29 Clear CMOS Jumper (CLRCMOS1)
I/O Panel
1 PS/2 Mouse Port (Green)
2 D-Sub Port (VGA1)
* 3 LAN RJ-45 Port
4 Line In (Light Blue)
** 5 Front Speaker (Lime)
6 Microphone (Pink)
7 USB 2.0 Ports (USB4_5)
8 USB 3.0 Ports (USB3_2_3)
9 USB 3.0 Ports (USB3_0_1)
10 DVI-D Port (DVI1)
11 PS/2 Keyboard Port (Purple)
* There is one LED next to the LAN port. Please refer to the table below for the LAN port LED
indications.
Activity/Link LED SPEED LED
LAN Port LED Indications
ACT/LINK
LED
SPEED
LED
Status Description Status Description
Off No Link Off 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link Green 1Gbps connection
** To enable Multi-Streaming function, you need to connect a front panel audio cable to the front
panel audio header. Please refer to below steps for the software setting of Multi-Streaming.
For Windows® XP:
After restarting your computer, you will nd “Mixer” tool on your system. Please select “Mixer
ToolBox” , click “Enable playback multi-streaming”, and click “ok”. Choose “2CH” or
“4CH” and then you are allowed to select “Realtek HDA Primary output” to use Rear Speaker
and Front Speaker, or select “Realtek HDA Audio 2nd output” to use front panel audio. Then
reboot your system.
For Windows® 7 / VistaTM:
After restarting your computer, please double-click “Realtek HD Audio Manager” on the
system tray. Set “Speaker Conguration” to “Quadraphonic” or “Stereo”. Click “Device
advanced settings”, choose “Make front and rear output devices playbacks two different audio
streams simultaneously”, and click “ok”. Then reboot your system.
LAN Port
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ASRock B75M-GL Motherboard
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1. Introduction
Thank you for purchasing ASRock B75M-GL motherboard, a reliable motherboard
produced under ASRock’s consistently stringent quality control. It delivers excellent
performance with robust design conforming to ASRock’s commitment to quality and
endurance.
In this manual, chapter 1 and 2 contains introduction of the motherboard and stepby-step guide to the hardware installation. Chapter 3 and 4 contains the conguration guide to BIOS setup and information of the Support CD.
Because the motherboard specications and the BIOS software might be
updated, the content of this manual will be subject to change without no-
tice. In case any modications of this manual occur, the updated version
will be available on ASRock website without further notice. You may nd
the latest VGA cards and CPU support lists on ASRock website as well.
ASRock website http://www.asrock.com
If you require technical support related to this motherboard, please visit
our website for specic information about the model you are using.
www.asrock.com/support/index.asp
1.1 Package Contents
ASRock B75M-GL Motherboard
(Micro ATX Form Factor: 9.6-in x 8.4-in, 24.4 cm x 21.3 cm)
ASRock B75M-GL Quick Installation Guide
ASRock B75M-GL Support CD
2 x Serial ATA (SATA) Data Cables (Optional)
1 x I/O Panel Shield
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ASRock Reminds You...
To get better performance in Windows® 7 / 7 64-bit / Vista
bit, it is recommended to set the BIOS option in Storage Conguration to
AHCI mode. For the BIOS setup, please refer to the “User Manual” in our
support CD for details.
TM
/ VistaTM 64-
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ASRock B75M-GL Motherboard
1.2 Specifications
Platform - Micro ATX Form Factor: 9.6-in x 8.4-in, 24.4 cm x 21.3 cm
- Solid Capacitors for CPU power
CPU - Supports 3rd and 2nd Generation Intel® CoreTM i7 / i5 / i3 in
LGA1155 Package
- Supports Intel® Turbo Boost 2.0 Technology
- Supports Intel® K-Series unlocked CPU (see CAUTION 1)
- Supports Hyper-Threading Technology (see CAUTION 2)
Chipset - Intel® B75
- Supports Intel® Small Business Advantage (see CAUTION 3)
- Supports Intel® Rapid Start Technology and Smart Connect
Technology with Intel® Ivy Bridge CPU
Memory - Dual Channel DDR3 Memory Technology (see CAUTION 4)
- 2 x DDR3 DIMM slots
- Supports DDR3 1600/1333/1066 non-ECC, un-buffered
memory (DDR3 1600 with Intel® Ivy Bridge CPU, DDR3
1333 with Intel® Sandy Bridge CPU)
- Max. capacity of system memory: 16GB (see CAUTION 5)
- Supports Intel® Extreme Memory Prole (XMP)1.3/1.2
Expansion Slot - 1 x PCI Express 3.0 x16 slot (PCIE1: x16 mode)
(see CAUTION 6)
* PCIE 3.0 is only supported with Intel® Ivy Bridge CPU. With
Intel® Sandy Bridge CPU, it only supports PCIE 2.0.
- 1 x PCI Express 2.0 x16 slot (PCIE2: x4 mode)
- 2 x PCI slots
- Supports AMD Quad CrossFireXTM and CrossFireX
Graphics * Intel® HD Graphics Built-in Visuals and the VGA outputs can
be supported only with processors which are GPU
integrated.
- Supports Intel® HD Graphics Built-in Visuals: Intel® Quick
Sync Video 2.0, Intel® InTruTM 3D, Intel® Clear Video HD
Technology, Intel® InsiderTM, Intel® HD Graphics 2500/4000
- Pixel Shader 5.0, DirectX 11 with Intel® Ivy Bridge CPU.
Pixel Shader 4.1, DirectX 10.1 with Intel® Sandy Bridge CPU
- Max. shared memory 1760MB (see CAUTION 7)
- Two VGA Outputs: supports DVI and D-Sub ports by
independent display controllers
- Supports DVI with max. resolution up to 1920x1200 @ 60Hz
- Supports D-Sub with max. resolution up to 2048x1536 @
75Hz
TM
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ASRock B75M-GL Motherboard
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- Supports HDCP function with DVI port
- Supports Full HD 1080p Blu-ray (BD) / HD-DVD playback
with DVI port
Audio - 5.1 CH HD Audio (Realtek ALC662 Audio Codec)
- Supports THX TruStudio
TM
LAN - PCIE x1 Gigabit LAN 10/100/1000 Mb/s
- Realtek RTL8111E
- Supports Wake-On-LAN
- Supports LAN Cable Detection
- Supports Energy Efcient Ethernet 802.3az
- Supports PXE
Rear Panel I/O I/O Panel
- 1 x PS/2 Mouse Port
- 1 x PS/2 Keyboard Port
- 1 x D-Sub Port
- 1 x DVI-D Port
- 2 x Ready-to-Use USB 2.0 Ports
- 4 x Ready-to-Use USB 3.0 Ports
- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED
LED)
- HD Audio Jack: Line in/Front Speaker/Microphone
SATA 3 - 1 x SATA3 6.0 Gb/s connector, supports NCQ, AHCI and
Hot Plug functions
USB3.0
- 4 x USB 3.0 ports, support USB 1.0/2.0/3.0 up to 5Gb/s
Connector - 5 x SATA2 3.0 Gb/s connectors, support NCQ, AHCI and
Hot Plug functions
- 1 x SATA3 6.0Gb/s connector
- 1 x IR header
- 1 x CIR header
- 1 x Print port header
- 1 x COM port header
- 1 x CPU Fan connector (4-pin)
- 1 x Chassis Fan connector (4-pin)
- 1 x Power Fan connector (3-pin)
- 24 pin ATX power connector
- 4 pin 12V power connector
- Front panel audio connector
- 2 x USB 2.0 headers (support 4 USB 2.0 ports)
BIOS Feature - 64Mb AMI UEFI Legal BIOS with GUI support
- Supports “Plug and Play”
- ACPI 1.1 Compliance Wake Up Events
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ASRock B75M-GL Motherboard
- Supports jumperfree
- SMBIOS 2.3.1 Support
- CPU Core, IGPU, DRAM, 1.8V PLL, VTT, VCCSA Voltage
Multi-adjustment
Support CD - Drivers, Utilities, AntiVirus Software (Trial Version),
CyberLink MediaEspresso 6.5 Trial, ASRock MAGIX
Multimedia Suite - OEM
Unique Feature - ASRock Extreme Tuning Utility (AXTU) (see CAUTION 8)
- ASRock Instant Boot
- ASRock Instant Flash (see CAUTION 9)
- ASRock APP Charger (see CAUTION 10)
- ASRock SmartView (see CAUTION 11)
- ASRock XFast USB (see CAUTION 12)
- ASRock XFast LAN (see CAUTION 13)
- ASRock XFast RAM (see CAUTION 14)
- ASRock Crashless BIOS (see CAUTION 15)
- ASRock OMG (Online Management Guard)
(see CAUTION 16)
- ASRock Internet Flash (see CAUTION 17)
- ASRock UEFI System Browser
- ASRock Dehumider Function (see CAUTION 18)
- Hybrid Booster:
- ASRock U-COP (see CAUTION 19)
- Boot Failure Guard (B.F.G.)
- Combo Cooler Option (C.C.O.) (see CAUTION 20)
- Good Night LED
Hardware - CPU Temperature Sensing
Monitor - Chassis Temperature Sensing
- CPU/Chassis/Power Fan Tachometer
- CPU/Chassis Quiet Fan (Allows Chassis Fan Speed Auto-
Adjust by CPU Temperature)
- CPU/Chassis Fan Multi-Speed Control
- Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore
OS - Microsoft® Windows® 7 / 7 64-bit / VistaTM / VistaTM 64-bit /
XP / XP 64-bit compliant (see CAUTION 21)
Certications - FCC, CE, WHQL
- ErP/EuP Ready (ErP/EuP ready power supply is required)
(see CAUTION 22)
* For detailed product information, please visit our website: http://www.asrock.com
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ASRock B75M-GL Motherboard
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WARNING
Please realize that there is a certain risk involved with overclocking, including
adjusting the setting in the BIOS, applying Untied Overclocking Technology, or using
third-party overclocking tools. Overclocking may affect your system’s stability, or
even cause damage to the components and devices of your system. It should be
done at your own risk and expense. We are not responsible for possible damage
caused by overclocking.
CAUTION!
1. Due to chipset limitations, overclocking is not supported.
2. About the settings of “Hyper Threading Technology”, please check page
48 of the “User Manual” in the support CD.
3. Intel® Small Business Advantage is a customizable platform integrated
with IT tools, which helps maximize employee productivity, PC performance, and data security. There are applications including Software
Monitor, PC Health Center, Data Backup & Restore, Energy Saver and
USB Blocker.
4. This motherboard supports Dual Channel Memory Technology. Before
you implement Dual Channel Memory Technology, make sure to read the
installation guide of memory modules on page 15 for proper installation.
5. Due to the operating system limitation, the actual memory size may be
less than 4GB for the reservation for system usage under Windows® 7 /
VistaTM / XP. For Windows® OS with 64-bit CPU, there is no such limitation. You can use ASRock XFast RAM to utilize the memory that Windows® cannot use.
6. Only PCIE1 slot supports Gen 3 speed. To run the PCI Express in Gen
3 speed, please install an Ivy Bridge CPU. If you install a Sandy Bridge
CPU, the PCI Express will run only at PCI Express Gen 2 speed.
7. The maximum shared memory size is dened by the chipset vendor and
is subject to change. Please check Intel® website for the latest information.
8. ASRock Extreme Tuning Utility (AXTU) is an all-in-one tool to ne-tune
different system functions in a user-friendly interface, which includes
Hardware Monitor, Fan Control, Overclocking, OC DNA and IES. In Hardware Monitor, it shows the major readings of your system. In Fan Control,
it shows the fan speed and temperature for you to adjust. In Overclocking, you are allowed to overclock CPU frequency for optimal system per-
formance. In OC DNA, you can save your OC settings as a prole and
share it with your friends. Your friends then can load the OC prole to
their own system to get the same OC settings. In IES (Intelligent Energy
Saver), the voltage regulator can reduce the number of output phases to
improve efciency when the CPU cores are idle without sacricing
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ASRock B75M-GL Motherboard
computing performance. Please visit our website for the operation proce-
dures of ASRock Extreme Tuning Utility (AXTU).
ASRock website: http://www.asrock.com
9. ASRock Instant Flash is a BIOS ash utility embedded in Flash ROM.
This convenient BIOS update tool allows you to update system BIOS
without entering operating systems rst like MS-DOS or Windows®. With
this utility, you can press the <F6> key during the POST or the <F2>
key to enter into the BIOS setup menu to access ASRock Instant Flash.
Just launch this tool and save the new BIOS le to your USB ash drive,
oppy disk or hard drive, then you can update your BIOS only in a few
clicks without preparing an additional oppy diskette or other complicated
ash utility. Please be noted that the USB ash drive or hard drive must
use FAT32/16/12 le system.
10. If you desire a faster, less restricted way of charging your Apple devices,
such as iPhone/iPad/iPod Touch, ASRock has prepared a wonderful solution for you - ASRock APP Charger. Simply install the APP Charger driver, it makes your iPhone charge much quickly from your computer and
up to 40% faster than before. ASRock APP Charger allows you to quickly
charge many Apple devices simultaneously and even supports continuous charging when your PC enters into Standby mode (S1), Suspend to
RAM (S3), hibernation mode (S4) or power off (S5). With APP Charger
driver installed, you can easily enjoy the marvelous charging experience.
ASRock website: http://www.asrock.com/Feature/AppCharger/index.asp
11. ASRock SmartView, a new function for internet browsers, is the smart
start page for IE that combines your most visited web sites, your history,
your Facebook friends and your real-time newsfeed into an enhanced
view for a more personal Internet experience. ASRock motherboards are
exclusively equipped with the ASRock SmartView utility that helps you
keep in touch with friends on-the-go. To use ASRock SmartView feature,
please make sure your OS version is Windows® 7 / 7 64 bit / VistaTM /
VistaTM 64 bit, and your browser version is IE8.
ASRock website: http://www.asrock.com/Feature/SmartView/index.asp
12. ASRock XFast USB can boost USB storage device performance. The
performance may depend on the properties of the device.
13. ASRock XFast LAN provides a faster internet access, which includes
the benets listed below. LAN Application Prioritization: You can congure your application’s priority ideally and/or add new programs. Lower
Latency in Game: After setting online game’s priority higher, it can lower
the latency in games. Trafc Shaping: You can watch Youtube HD videos
and download simultaneously. Real-Time Analysis of Your Data: With
the status window, you can easily recognize which data streams you are
transferring currently.
14. ASRock XFast RAM is a new function that is included into ASRock Extreme Tuning Utility (AXTU). It fully utilizes the memory space that cannot
be used under Windows® 32-bit OS. ASRock XFast RAM shortens the
loading time of previously visited websites, making web surng faster
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ASRock B75M-GL Motherboard
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than ever. And it also boosts the speed of Adobe Photoshop 5 times
faster. Another advantage of ASRock XFast RAM is that it reduces the
frequency of accessing your SSDs or HDDs in order to extend their lifespan.
15. ASRock Crashless BIOS allows users to update their BIOS without fear
of failing. If power loss occurs during the BIOS update process, ASRock
Crashless BIOS will automatically nish the BIOS update procedure after
regaining power. Please note that BIOS les need to be placed in the
root directory of your USB disk. Only USB2.0 ports support this feature.
16. Administrators are able to establish an internet curfew or restrict internet
access at specied times via OMG. You may schedule the starting and
ending hours of internet access granted to other users. In order to prevent users from bypassing OMG, guest accounts without permission to
modify the system time are required.
17. Internet Flash searches for available UEFI rmware updates from our
servers. In other words, the system can auto-detect the latest UEFI from
our servers and ash them without entering Windows OS. Please note
that you must be running on a DHCP congured computer in order to en-
able this function.
18. Users may prevent motherboard damages due to dampness by enabling
“Dehumidier Function”. When enabling Dehumidier Function, the computer will power on automatically to dehumidify the system after entering
S4/S5 state.
19. While CPU overheat is detected, the system will automatically shutdown.
Before you resume the system, please check if the CPU fan on the motherboard functions properly and unplug the power cord, then plug it back
again. To improve heat dissipation, remember to spray thermal grease
between the CPU and the heatsink when you install the PC system.
20. Combo Cooler Option (C.C.O.) provides the exible option to adopt three
different CPU cooler types, Socket LGA 775, LGA 1155 and LGA 1156.
Please be noticed that not all the 775 and 1156 CPU Fan can be used.
21. ASRock XFast RAM is not supported by Microsoft® Windows® XP / XP
64-bit. Intel® Smart Connect Technology and Intel® USB 3.0 ports are not
supported by Microsoft® Windows® VistaTM / VistaTM 64-bit / XP / XP 64bit.
22. EuP stands for Energy Using Product, was a provision regulated by the
European Union to define the power consumption for the completed
system. According to EuP, the total AC power of the completed system
should be under 1.00W in off mode condition. To meet EuP standards,
an EuP ready motherboard and an EuP ready power supply are required.
According to Intel’s suggestion, the EuP ready power supply must meet
the standard of 5v, and the standby power efciency should be higher
than 50% under 100 mA current consumption. For EuP ready power supply selection, we recommend you to check with the power supply manufacturer for more details.
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ASRock B75M-GL Motherboard
2. Installation
This is a Micro ATX form factor (9.6" x 8.4", 24.4 x 21.3 cm) motherboard. Before
you install the motherboard, study the conguration of your chassis to ensure that
the motherboard ts into it.
motherboard. Failure to do so may cause physical injuries to you and
damages to motherboard components.
Make sure to unplug the power cord before installing or removing the
2.1 Screw Holes
Place screws into the holes indicated by circles to secure the motherboard to the
chassis.
Do not over-tighten the screws! Doing so may damage the motherboard.
2.2 Pre-installation Precautions
Take note of the following precautions before you install motherboard components
or change any motherboard settings.
1. Unplug the power cord from the wall socket before touching any
components.
2. To avoid damaging the motherboard’s components due to static
electricity, NEVER place your motherboard directly on the carpet.
Also remember to use a grounded wrist strap or touch a safety
grounded object before you handle the components.
3. Hold components by the edges and do not touch the ICs.
4. Whenever you uninstall any components, place them on a grounded
anti-static pad or in the bag that comes with the components.
5. When placing screws into the screw holes to secure the motherboard to the chassis, please do not over-tighten the screws! Doing
so may damage the motherboard.
Before you install or remove any components, ensure that the power is
switched off or the power cord is detached from the power supply. Failure to do
so may cause severe damage to the motherboard, peripherals and/or
components.
ASRock B75M-GL Motherboard
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2.3 CPU Installation
For the installation of Intel 1155-Pin CPU,
please follow the steps below.
Before you insert the 1155-Pin CPU into the socket, please check if the
CPU surface is unclean or if there are any bent pins in the socket. Do
not force to insert the CPU into the socket if above situation is found.
Otherwise, the CPU will be seriously damaged.
Step 1. Open the socket:
Step 1-1. Disengage the lever by pressing it
down and sliding it out of the hook.
Step 1-2. Keep the lever positioned at about
135 degrees in order to flip up the
load plate.
1155-Pin Socket Overview
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Step 2. Remove the PnP Cap (Pick and Place Cap).
1. It is recommended to use the cap tab to handle and avoid kicking
off the PnP cap.
2. This cap must be placed if returning the motherboard for after
service.
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ASRock B75M-GL Motherboard
Step 3. Insert the 1155-Pin CPU:
Step 3-1. Hold the CPU by the edge which is
marked with a black line.
Step 3-2. Orient the CPU with the IHS (Inte-
grated Heat Sink) up. Locate Pin1
and the two orientation key notches.
orientation key notch
Pin1
orientation key notch 1155-Pin Socket
1155-Pin CPU
For proper inserting, please ensure to match the two orientation key
notches of the CPU with the two alignment keys of the socket.
Step 3-3. Carefully place the CPU into the
socket by using a purely vertical motion.
Step 3-4. Verify that the CPU is within the sock-
et and properly mated to the orient
keys.
black line
alignment key
Pin1
alignment key
Step 4. Close the socket:
Step 4-1. Flip the load plate onto the IHS.
Step 4-2. Press down the load lever, and se-
cure it with the load plate tab under
the retention tab.
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2.4 Installation of CPU Fan and Heatsink
This motherboard is equipped with 1155-Pin socket that supports Intel 1155-Pin
CPUs. Please adopt the type of heatsink and cooling fan compliant with Intel 1155Pin CPU to dissipate heat. Before you install the heatsink, you need to spray thermal interface material between the CPU and the heatsink to improve heat dissipation. Ensure that the CPU and the heatsink are securely fastened and in good contact with each other. Then connect the CPU fan to the CPU_FAN connector (CPU_
FAN1, see page 2, No. 4).
For proper installation, please kindly refer to the instruction manuals of your
CPU fan and heatsink.
Below is an example to illustrate the installation of the heatsink for 1155-Pin CPUs.
Step 1. Apply thermal interface material onto the cen-
ter of the IHS on the socket’s surface.
Step 2. Place the heatsink onto the socket. Ensure
that the fan cables are oriented on side closest
to the CPU fan connector on the motherboard
(CPU_FAN1, see page 2, No. 4).
Step 3. Align fasteners with the motherboard through-
holes.
Step 4. Rotate the fastener clockwise, then press
down on fastener caps with thumb to install
and lock. Repeat with remaining fasteners.
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If you press down the fasteners without rotating them clockwise, the
heatsink cannot be secured on the motherboard.
Step 5. Connect fan header with the CPU fan connector on the motherboard.
Step 6. Secure redundant cable with tie-wrap to ensure the cable does not
interfere with fan operation or contact other components.
Please be noticed that this motherboard supports Combo Cooler
Option (C.C.O.), which provides exible options to adopt three different CPU cooler types, Socket LGA 775, LGA 1155 and LGA 1156.
The white throughholes are for Socket LGA
1155/1156 CPU fan.
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ASRock B75M-GL Motherboard
2.5 Installation of Memory Modules (DIMM)
This motherboard provides two 240-pin DDR3 (Double Data Rate 3) DIMM slots,
and supports Dual Channel Memory Technology. For dual channel configuration,
you always need to install two identical (the same brand, speed, size and chiptype) memory modules in the DDR3 DIMM slots to activate Dual Channel Memory
Technology. Otherwise, it will operate at single channel mode.
1. It is not allowed to install a DDR or DDR2 memory module into a
DDR3 slot; otherwise, this motherboard and DIMM may be
damaged.
2. If you install only one memory module or two non-identical
memory modules, it is unable to activate Dual Channel
Memory Technology.
3. Some DDR3 1GB double-sided DIMMs with 16 chips may not
work on this motherboard. It is not recommended to install them
on this motherboard.
Installing a DIMM
Please make sure to disconnect power supply before adding or
removing DIMMs or the system components.
Step 1. Unlock a DIMM slot by pressing the retaining clips outward.
Step 2. Align a DIMM on the slot such that the notch on the DIMM matches the
break on the slot.
The DIMM only ts in one correct orientation. It will cause permanent
damage to the motherboard and the DIMM if you force the DIMM into
the slot at incorrect orientation.
Step 3. Firmly insert the DIMM into the slot until the retaining clips at both ends
fully snap back in place and the DIMM is properly seated.
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2.6 Expansion Slots (PCI and PCI Express Slots)
There are 2 PCI slots and 2 PCI Express slots on this motherboard.
PCI slots: PCI slots are used to install expansion cards that have the 32-bit PCI
interface.
PCIE slots:PCIE1 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane width
graphics cards, or used to install PCI Express graphics cards to support
CrossFireXTM.
PCIE2 (PCIE 2.0 x16 slot) is used for PCI Express x4 lane width graph-
ics cards, or used to install PCI Express graphics cards to support
CrossFireXTM.
1. In single VGA card mode, it is recommended to install a PCI Express
x16 graphics card on PCIE1 slot.
2. In CrossFireXTM mode, please install the PCI Express x16 graphics
cards on PCIE1 and PCIE2 slots. Therefore, PCIE1 will work at x16
bandwidth, while PCIE2 works at x4 bandwidth.
3. Please connect a chassis fan to the motherboard’s chassis fan
connector (CHA_FAN1) when using multiple graphics cards for better
thermal environment.
4. Only PCIE1 slot supports Gen 3 speed. To run the PCI Express in
Gen 3 speed, please install an Ivy Bridge CPU. If you install a Sandy
Bridge CPU, the PCI Express will run only at PCI Express Gen 2
speed.
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Installing an expansion card
Step 1. Before installing an expansion card, please make sure that the power
supply is switched off or the power cord is unplugged. Please read the
documentation of the expansion card and make necessary hardware
settings for the card before you start the installation.
Step 2. Remove the system unit cover (if your motherboard is already installed
in a chassis).
Step 3. Remove the bracket facing the slot that you intend to use. Keep the
screws for later use.
Step 4. Align the card connector with the slot and press rmly until the card is
completely seated on the slot.
Step 5. Fasten the card to the chassis with screws.
Step 6. Replace the system cover.
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ASRock B75M-GL Motherboard
2.7 CrossFireXTM and Quad CrossFireXTM Operation Guide
This motherboard supports CrossFireXTM and Quad CrossFireXTM. CrossFireXTM
technology offers the most advantageous means available of combining multiple
high performance Graphics Processing Units (GPU) in a single PC. Combining a
range of different operating modes with intelligent software design and an innovative
interconnect mechanism, CrossFireXTM enables the highest possible level of
performance and image quality in any 3D application. Currently CrossFireXTM is
supported by Windows® XP with Service Pack 2 / VistaTM / 7 OS. Quad CrossFireXTM
is supported by Windows® VistaTM / 7 OS only. Please check AMD’s website for AMD
CrossFireXTM driver updates.
1. If a customer incorrectly congures their system they will not see the performance
benets of CrossFireXTM. All three CrossFireXTM components, a CrossFireXTM
Ready graphics card, a CrossFireXTM Ready motherboard and a CrossFireXTM
Edition co-processor graphics card, must be installed correctly to benet from the
CrossFireXTM multi-GPU platform.
2. If you pair a 12-pipe CrossFireXTM Edition card with a 16-pipe card, both cards
will operate as 12-pipe cards while in CrossFireXTM mode.
2.7.1 Installing Two CrossFireXTM-Ready Graphics Cards
Different CrossFireXTM cards may require different methods to enable CrossFireXTM
feature. For other CrossFireXTM cards that AMD has released or will release in the
future, please refer to AMD graphics card manuals for detailed installation guide.
Step 1. Insert one Radeon graphics card into PCIE1 slot and the other Radeon
graphics card to PCIE2 slot. Make sure that the cards are properly seated
on the slots.
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Step 2. Connect two Radeon graphics cards by installing a CrossFire Bridge on
the CrossFire Bridge Interconnects on the top of the Radeon graphics
cards. (The CrossFire Bridge is provided with the graphics card you purchase, not bundled with this motherboard. Please refer to your graphics
card vendor for details.)
CrossFire Bridge
or
Step 3. Connect the DVI monitor cable to the DVI connector on the Radeon graph-
ics card on PCIE1slot. (You may use the DVI to D-Sub adapter to convert
the DVI connector to D-Sub interface, and then connect the D-Sub monitor
cable to the DVI to D-Sub adapter.)
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ASRock B75M-GL Motherboard
2.7.2 Driver Installation and Setup
Step 1. Power on your computer and boot into OS.
Step 2. Remove the AMD drivers if you have any VGA drivers installed in your
system.
The Catalyst Uninstaller is an optional download. We recommend using this utility to
uninstall any previously installed Catalyst drivers prior to installation. Please check
AMD’s website for AMD driver updates.
Step 3. Install the required drivers to your system.
For Windows® XP OS:
A. AMD recommends Windows® XP Service Pack 2 or higher to be
installed (If you have Windows® XP Service Pack 2 or higher installed in
your system, there is no need to download it again):
http://www.microsoft.com/windowsxp/sp2/default.mspx
B. You must have Microsoft .NET Framework installed prior to
downloading and installing the CATALYST Control Center. Please check
Microsoft’s website for details.
For Windows® 7 / VistaTM OS:
Install the CATALYST Control Center. Please check AMD’s website for de-
tails.
Step 4. Restart your computer.
Step 5. Install the VGA card drivers to your system, and restart your computer.
You will nd “AMD Catalyst Control Center” on your Windows® taskbar.
AMD Catalyst Control Center
Step 6. Double-click “AMD Catalyst Control Center”. Click “View”, select “CrossFi-
TM
reX
”, and then check the item “Enable CrossFireXTM”. Select “2 GPUs”
and click “Apply” (if you install two Radeon graphics cards).
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Although you have selected the option “Enable CrossFireTM”, the CrossFireXTM
function may not work actually. Your computer will automatically reboot. After
restarting your computer, please conrm whether the option “Enable CrossFireTM” in
“AMD Catalyst Control Center” is selected or not; if not, please select it again, and
then you are able to enjoy the benets of CrossFireXTM.
Step 7. You can freely enjoy the benets of CrossFireXTM or Quad CrossFireXTM.
* CrossFireXTM appearing here is a registered trademark of AMD Technologies Inc., and is used
only for identication or explanation and to the owners’ benet, without intent to infringe.
* For further information of AMD CrossFireXTM technology, please check AMD’s website for
updates and details.
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ASRock B75M-GL Motherboard
2.8 Dual Monitor and Surround Display Features
Dual Monitor Feature
This motherboard supports dual monitor feature. With the internal VGA output sup-
port (DVI-D and D-Sub), you can easily enjoy the benets of dual monitor feature
without installing any add-on VGA cards to this motherboard. This motherboard also
provides independent display controllers for DVI-D and D-Sub to support dual VGA
output so that DVI-D and D-Sub can drive the same or different display contents.
To enable dual monitor, please follow the steps below:
1. Connect a DVI-D monitor cable to the DVI-D port on the I/O panel, connect a
D-Sub monitor cable to the D-Sub port on the I/O panel.
D-Sub port
DVI-D port
2. If you have already installed the onboard VGA driver from our support CD to your
system, you can freely enjoy the benets of dual monitor function after your
system boots. If you haven’t installed the onboard VGA driver yet, please install
the onboard VGA driver from our support CD to your system and restart your
computer.
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Surround Display Feature
This motherboard supports surround display upgrade. With the internal VGA output
support (DVI-D and D-Sub) and external add-on PCI Express VGA cards, you can
easily enjoy the benets of surround display.
Please refer to the following steps to set up a surround display environment:
1. Install the PCI Express VGA cards on PCIE1 and PCIE2 slots. Please
refer to page 16 for proper expansion card installation procedures.
2. Connect a DVI-D monitor cable to the DVI-D port on the I/O panel, connect a
D-Sub monitor cable to the D-Sub port on the I/O panel. Then connect other
monitor cables to the corresponding connectors of the add-on PCI Express VGA
cards on PCIE1 and PCIE2 slots.
3. Boot your system. Press <F2> or <Del> to enter UEFI setup. Enter “Share
Memory” option to adjust the memory capability to [32MB], [64MB], [128MB],
[256MB] or [512MB] to enable the function of D-sub. Please make sure that the
value you select is less than the total capability of the system memory. If you do
not adjust the UEFI setup, the default value of “Share Memory”, [Auto], will
disable D-Sub function when an add-on VGA card is inserted to this motherboard.
4. Install the onboard VGA driver and the add-on PCI Express VGA card driver to
your system. If you have installed the drivers already, there is no need to install
them again.
5. Set up a multi-monitor display.
For Windows® XP / XP 64-bit OS:
Right click on desktop, choose “Properties”, and select the “Settings” tab
so that you can adjust the parameters of the multi-monitors according to
the steps below.
A. Click the “Identify” button to display a large number on each monitor.
B. Right-click the display icon in the Display Properties dialog that you
wish to be your primary monitor, and then select “Primary”. When
you use multiple monitors with your card, one monitor will always be
Primary, and all additional monitors will be designated as Secondary.
C. Select the display icon identied by the number 2.
D. Click “Extend my Windows desktop onto this monitor”.
E. Right-click the display icon and select “Attached”, if necessary.
F. Set the appropriate “Screen Resolution” and “Color Quality” for the
second monitor. Click “Apply” or “OK” to apply these new values.
G. Repeat steps C through F for the display icon identied by the
numbers three to six.
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ASRock B75M-GL Motherboard
For Windows® 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS:
Right click the desktop, choose “Personalize”, and select the “Display
Settings” tab so that you can adjust the parameters of the multi-monitors
according to the steps below.
A. Click the number ”2” icon.
B. Click the items “This is my main monitor” and “Extend the desktop onto
this monitor”.
C. Click “OK” to save your change.
D. Repeat steps A through C for the display icons identied by the number
three to six.
6. Use Surround Display. Click and drag the display icons to positions representing
the physical setup of your monitors that you would like to use. The placement of
display icons determines how you move items from one monitor to another.
HDCP
HDCP is supported on this motherboard. To use HDCP on this
motherboard, you need to adopt a monitor that supports HDCP
as well. Therefore, you can enjoy the superior display quality
with high-denition HDCP encryption contents. Please refer to
the instructions below for more details about HDCP.
What is HDCP?
HDCP stands for High-Bandwidth Digital Content Protection,
a specication developed by Intel® for protecting digital
entertainment content that uses the DVI interface. HDCP is a
copy protection scheme to eliminate the possibility of
intercepting digital data midstream between the video source,
or transmitter - such as a computer, DVD player or set-top box and the digital display, or receiver - such as a monitor, television
or projector. In other words, HDCP specication is designed to
protect the integrity of content as it is being transmitted.
Products compatible with the HDCP scheme such as DVD
players, satellite and cable HDTV set-top-boxes, as well as few
entertainment PCs require a secure connection to a compliant
display. Due to the increase in manufacturers employing HDCP
in their equipment, it is highly recommended that the HDTV or
LCD monitor you purchase is compatible.
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2.9 ASRock Smart Remote Installation Guide
ASRock Smart Remote is only used for ASRock motherboards with a CIR header.
Please refer to the procedures below for the quick installation and usage of ASRock
Smart Remote.
Step1. Find the CIR header located next
to the USB 2.0 header on your
ASRock motherboard.
USB 2.0 header (9-pin, black)
CIR header (4-pin, gray)
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Step2. Connect the front USB cable to the
USB 2.0 header (as below, pin 1-5)
and the CIR header. Please make
USB_PWR
P-
P+
GND
DUMMY
sure the wire assignments and the
pin assignments are matched
correctly.
GND
IRTX
IRRX
ATX+5VSB
Step3. Install the Multi-Angle CIR Receiver to the front USB port.
Step4. Boot up your system. Press <F2> or <Del> to enter the BIOS Setup Utility.
Make sure the option "CIR Controller" is set to [Enabled].
(Advanced -> Super IO Conguration -> CIR Controller -> [Enabled])
If you cannot nd this option, please shut down your system and install
the Multi-Angle CIR Receiver to the other front USB port then try again.
Step5. Enter Windows. Execute ASRock's support CD and install the CIR Driver.
(It is listed at the bottom of driver list.)
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ASRock B75M-GL Motherboard
3 CIR sensors in different angles
1. Only one of the front USB ports can support CIR. When CIR is
enabled, the other ports will remain USB ports.
2. The Multi-Angle CIR Receiver is used for the front USB only.
Please do not use the rear USB bracket to connect it on the rear
panel. The Multi-Angle CIR Receiver can receive multi-directional
infrared signals (top, down and front), which is compatible with
most of the chassis on the market.
3. The Multi-Angle CIR Receiver does not support Hot-Plug. Please
install it before you boot the system.
* ASRock Smart Remote is only supported by some ASRock motherboards. Please refer to
ASRock's website for the motherboard support list: http://www.asrock.com
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2.10 Jumpers Setup
The illustration shows how jumpers are
setup. When the jumper cap is placed on
pins, the jumper is “Short”. If no jumper cap
is placed on pins, the jumper is “Open”. The
illustration shows a 3-pin jumper whose
pin1 and pin2 are “Short” when jumper cap
is placed on these 2 pins.
Jumper Setting Description
Clear CMOS Jumper
(CLRCMOS1)
(see p.2, No. 29)
Note: CLRCMOS1 allows you to clear the data in CMOS. To clear and reset the sys-
tem parameters to default setup, please turn off the computer and unplug the
power cord from the power supply. After waiting for 15 seconds, use a jumper
cap to short pin2 and pin3 on CLRCMOS1 for 5 seconds. However, please do
not clear the CMOS right after you update the BIOS. If you need to clear the
CMOS when you just nish updating the BIOS, you must boot up the system
rst, and then shut it down before you do the clear-CMOS action. Please be
noted that the password, date, time, user default prole, 1394 GUID and MAC
address will be cleared only if the CMOS battery is removed.
Clear CMOSDefault
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ASRock B75M-GL Motherboard
2.11 Onboard Headers and Connectors
Onboard headers and connectors are NOT jumpers. Do NOT place
jumper caps over these headers and connectors. Placing jumper caps
over the headers and connectors will cause permanent damage of the
motherboard!
Serial ATA2 Connectors These ve Serial ATA2 (SATA2)
(SATA2_1: see p.2, No. 11)
(SATA2_2: see p.2, No. 16)
(SATA2_3: see p.2, No. 12)
(SATA2_4: see p.2, No. 13)
(SATA2_5: see p.2, No. 15)
SATA2_1 SATA2_3
connectors support SATA data
cables for internal storage
devices. The current SATA2
SATA2_2 SATA2_4
interface allows up to 3.0 Gb/s
data transfer rate.
SATA2_5
Serial ATA3 Connectors This Serial ATA3 (SATA3)
(SATA3_0: see p.2, No. 7)
cables for internal storage
connector supports SATA data
SATA3_0
devices. The current SATA3
interface allows up to 6.0 Gb/s
data transfer rate.
Serial ATA (SATA) Either end of the SATA data
Data Cable cable can be connected to the
(Optional)
SATA / SATA2 / SATA3 hard
disk or the SATA2 / SATA3
connector on this motherboard.
Print Port Header This is an interface for print port
(25-pin LPT1)
(see p.2, No. 23)
cable that allows convenient
connection of printer devices.
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USB 2.0 Headers Besides two default USB 2.0
(9-pin USB6_7)
(see p.2, No. 18)
ports on the I/O panel, there are
two USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB 2.0
ports.
USB_PWR
1
USB_PWR
P-9
P+9
GND
DUMMY
GND
P+8
P-8
(9-pin USB8_9)
(see p.2, No. 19)
Infrared Module Header This header supports an
(5-pin IR1)
optional wireless transmitting
(see p.2, No. 21)
and receiving infrared module.
Consumer Infrared Module Header This header can be used to
(4-pin CIR1)
(see p.2, No. 20)
connect the remote controller
receiver.
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Front Panel Audio Header This is an interface for front
(9-pin HD_AUDIO1)
(see p.2, No. 28)
panel audio cable that allows
convenient connection and
control of audio devices.
1. High Denition Audio supports Jack Sensing, but the panel wire on the
chassis must support HDA to function correctly. Please follow the
instructions in our manual and chassis manual to install your system.
2. If you use an AC’97 audio panel, please install it to the front panel audio
header by the steps below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for HD audio panel only. You don’t need
to connect them for AC’97 audio panel.
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ASRock B75M-GL Motherboard
E. To activate the front mic.
For Windows® XP / XP 64-bit OS:
Select “Mixer”. Select “Recorder”. Then click “FrontMic”.
For Windows® 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS:
Go to the “FrontMic” Tab in the Realtek Control panel. Adjust
“Recording Volume”.
System Panel Header This header accommodates
(9-pin PANEL1)
(see p.2, No. 17)
several system front panel
functions.
Connect the power switch, reset switch and system status indicator on the
chassis to this header according to the pin assignments below. Note the
positive and negative pins before connecting the cables.
PWRBTN (Power Switch):
Connect to the power switch on the chassis front panel. You may congure
the way to turn off your system using the power switch.
RESET (Reset Switch):
Connect to the reset switch on the chassis front panel. Press the reset
switch to restart the computer if the computer freezes and fails to perform a
normal restart.
PLED (System Power LED):
Connect to the power status indicator on the chassis front panel. The LED
is on when the system is operating. The LED keeps blinking when the system is in S1/S3 sleep state. The LED is off when the system is in S4 sleep
state or powered off (S5).
HDLED (Hard Drive Activity LED):
Connect to the hard drive activity LED on the chassis front panel. The LED
is on when the hard drive is reading or writing data.
The front panel design may differ by chassis. A front panel module mainly
consists of power switch, reset switch, power LED, hard drive activity LED,
speaker and etc. When connecting your chassis front panel module to this
header, make sure the wire assignments and the pin assign-ments are
matched correctly.
Chassis Speaker Header Please connect the chassis
(4-pin SPEAKER 1)
(see p.2, No. 14)
speaker to this header.
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Chassis and Power Fan Connectors Please connect the fan cables
CHA_FAN_SPEED
FAN_SPEED_CONTROL
+12V
GND
CPU_FAN_SPEED
FAN_SPEED_CONTROL
1234
(4-pin CHA_FAN1)
(see p.2, No. 8)
to the fan connectors and match
the black wire to the ground pin.
CHA_FAN1 supports Fan
(3-pin PWR_FAN1)
(see p.2, No. 1)
Control.
PWR_FAN_SPEED
+12V
GND
CPU Fan Connectors Please connect the CPU fan
(4-pin CPU_FAN1)
(see p.2, No. 4)
cable to the connector and
match the black wire to the
ground pin.
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin
CPU fan still can work successfully even without the fan speed control function.
If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this
motherboard, please connect it to Pin 1-3.
Pin 1-3 Connected
3-Pin Fan Installation
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ATX Power Connector Please connect an ATX power
(24-pin ATXPWR1)
(see p.2, No. 6)
supply to this connector.
Though this motherboard provides 24-pin ATX power connector,
12 124
13
12
it can still work if you adopt a traditional 20-pin ATX power supply.
To use the 20-pin ATX power supply, please plug your
power supply along with Pin 1 and Pin 13.
20-Pin ATX Power Supply Installation
1
ATX 12V Power Connector Please connect an ATX 12V
(4-pin ATX12V1)
(see p.2, No. 2)
power supply to this connector.
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