ASRock H61M-ITX-SI User Manual

H61M-ITX/SI

User Manual

Version 1.0

Published April 2011

Copyright©2011 ASRock INC. All rights reserved.

1

Copyright Notice:

No part of this manual 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 manual may or may not be regis­tered trademarks or copyrights of their respective companies, and are used only for
identifi cation or explanation and to the owners’ benefi t, without intent to infringe.

Disclaimer:

Specifi cations and information contained in this manual are furnished for informa-
tional 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 manual.
With respect to the contents of this manual, ASRock does not provide warranty of
any kind, either expressed or implied, including but not limited to the implied warran­ties or conditions of merchantability or fi tness for a particular purpose.
In no event shall ASRock, its directors, offi cers, employees, or agents be liable for
any indirect, special, incidental, or consequential damages (including damages for
loss of profi ts, 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 manual 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

2

Contents

1 Introduction ......................................................... 5

1.1 Package Contents ......................................................... 5

1.2 Specifi cations ................................................................. 6

1.3 Motherboard Layout ....................................................... 12

1.4 I/O Panel ...................................................................... 13

2 Installation ........................................................... 14

2.1 Screw Holes ................................................................... 14

2.2 Pre-installation Precautions ......................................... 14

2.3 CPU Installation ............................................................. 15

2.4 Installation of Heatsink and CPU fan ............................. 17

2.5 Installation of Memory Modules (DIMM) ........................ 18

2.6 Expansion Slot

2.7 Dual Monitor and Surround Display Features ................ 20

2.8 ASRock Smart Remote Installation Guide ..................... 23

2.9 Jumpers Setup .......................................................... 24

2.10 Onboard Headers and Connectors ............................ 25

2.11 Serial ATA (SATA) / Serial ATAII (SATAII) Hard Disks

Installation .................................................................. 29

2.12 Hot Plug Function for SATA / SATAII HDDs .................. 29

2.13 SATA / SATAII HDD Hot Plug Feature and Operation

Guide ......................................................................... 30

2.14 Driver Installation Guide ............................................ 32

2.15 Installing Windows

/ XP / XP 64-bit Without RAID Functions ................... 32

2.15.1 Installing Windows

Functions............................................................ 32

2.15.2 Installing Windows® 7 / 7 64-bit / VistaTM /

VistaTM 64-bit Without RAID Functions ............... 33

(PCI Express Slot)

®

7 / 7 64-bit / Vista

®

XP / XP 64-bit Without RAID

.................................... 19

TM

/ VistaTM 64-bit

3

3 UEFI SETUP UTILITY ................................................. 34

3.1 Introduction .................................................................... 34

3.1.1 UEFI Menu Bar .................................................... 34

3.1.2 Navigation Keys ................................................... 35

3.2 Main Screen ................................................................... 35

3.3 OC Tweaker Screen ...................................................... 36

3.4 Advanced Screen ........................................................... 39

3.4.1 CPU Confi guration ............................................... 40

3.4.2 North Bridge Confi guration................................... 42

3.4.3 South Bridge Confi guration .................................. 44

3.4.4 Storage Confi guration .......................................... 45

3.4.5 Super IO Confi guration ........................................ 46

3.4.6 ACPI Confi guration............................................... 47

3.4.7 USB Confi guration ............................................... 48

3.5 Hardware Health Event Monitoring Screen ................... 49

3.6 Boot Screen ................................................................... 50

3.7 Security Screen ............................................................. 51

3.8 Exit Screen .................................................................... 52

4 Software Support ................................................. 53

4.1 Install Operating System ................................................ 53

4.2 Support CD Information ................................................. 53

4.2.1 Running Support CD ............................................ 53

4.2.2 Drivers Menu ........................................................ 53

4.2.3 Utilities Menu........................................................ 53

4.2.4 Contact Information .............................................. 53

4

Chapter 1: Introduction

Thank you for purchasing ASRock H61M-ITX/SI 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 contain introduction of the motherboard and step­by-step guide to the hardware installation. Chapter 3 and 4 contain the confi guration
guide to BIOS setup and information of the Support CD.

Because the motherboard specifi cations and the BIOS software might be
updated, the content of this manual will be subject to change without no­tice. In case any modifi cations of this manual occur, the updated version
will be available on ASRock website without further notice. You may fi 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 specifi c information about the model you are using.
www.asrock.com/support/index.asp

1.1 Package Contents

ASRock H61M-ITX/SI Motherboard
(Mini-ITX Form Factor: 6.7-in x 6.7-in, 17.0 cm x 17.0 cm)
ASRock H61M-ITX/SI Quick Installation Guide
ASRock H61M-ITX/SI Support CD
2 x Serial ATA (SATA) Data Cables (Optional)
1 x I/O Panel Shield

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 Confi guration to
AHCI mode. For the BIOS setup, please refer to the “User Manual” in our
support CD for details.

TM

/ VistaTM 64-

5

1.2 Specifications

Platform - Mini-ITX Form Factor: 6.7-in x 6.7-in, 17.0 cm x 17.0 cm

- All Solid Capacitor design (100% Japan-made high-quality
Conductive Polymer Capacitors)
CPU - Supports 2nd Generation Intel
LGA1155 Package

- Supports Intel® Turbo Boost 2.0 Technology

- Supports K-Series unlocked CPU

- Supports Hyper-Threading Technology (see CAUTION 1)
Chipset - Intel

®

H61

Memory - Dual Channel DDR3 Memory Technology (see CAUTION 2)

- 2 x DDR3 DIMM slots

- Supports DDR3 1333/1066 non-ECC, un-buffered
memory

- Max. capacity of system memory: 16GB (see CAUTION 3)

Expansion Slot - 1 x PCI Express 2.0 x16 slot (blue @ x16 mode)
Graphics * * Requires a Processor with Intel

- Intel® HD Graphics 2000/3000

- Pixel Shader 4.1, DirectX 10.1

- Max. shared memory 1759MB (see CAUTION 4)

- Three VGA Output options: D-Sub, DVI-D and HDMI
(see CAUTION 5)

- Supports HDMI 1.4a Technology with max. resolution up to
1920x1200 @ 60Hz

- Supports DVI with max. resolution up to 1920x1200 @ 60Hz

- Supports D-Sub with max. resolution up to 2048x1536 @
75Hz

- Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and
HBR (High Bit Rate Audio) with HDMI
(Compliant HDMI monitor is required) (see CAUTION 6)

- Supports Blu-ray Stereoscopic 3D with HDMI 1.4a

- Supports HDCP function with DVI and HDMI ports

- Supports Full HD 1080p Blu-ray (BD) / HD-DVD playback
with DVI and HDMI ports

Audio - 7.1 CH HD Audio (Realtek ALC887 Audio Codec)
LAN - PCIE x1 Gigabit LAN 10/100/1000 Mb/s

- Realtek RTL8111E

- Supports Wake-On-LAN

- Supports LAN Cable Detection

- Supports Energy Effi cient Ethernet 802.3az

®

CoreTM i7 / i5 / i3 in

®

Graphics Technology

6

Rear Panel I/O I/O Panel

- 1 x PS/2 Keyboard Port

- 1 x VGA/D-Sub Port

- 1 x VGA/DVI-D Port

- 1 x HDMI Port

- 1 x Optical SPDIF Out Port

- 6 x Ready-to-Use USB 2.0 Ports

- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED
LED)

- HD Audio Jack: Rear Speaker/Central/Bass/Line in/Front
Speaker/Microphone (see CAUTION 7)
Connector - 2 x SATA2 3.0 Gb/s connectors, support NCQ, AHCI and
Hot Plug functions

- 1 x CIR header

- 1 x COM port header

- 1 x Power LED header

- CPU/Chassis FAN connector

- 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 - 32Mb AMI BIOS

- AMI UEFI Legal BIOS with GUI support

- Supports “Plug and Play”

- ACPI 1.1 Compliance Wake Up Events

- Supports jumperfree

- SMBIOS 2.3.1 Support

- IGPU, DRAM, PCH, CPU PLL, VTT, VCCSA Voltage
Multi-adjustment
Support CD - Drivers, Utilities, AntiVirus Software (Trial Version), ASRock
Software Suite (CyberLink DVD Suite - OEM and Trial;
Creative Sound Blaster X-Fi MB - Trial)
Unique Feature - ASRock Extreme Tuning Utility (AXTU) (see CAUTION 8)

- Instant Boot

- ASRock Instant Flash (see CAUTION 9)

- ASRock APP Charger (see CAUTION 10)

- SmartView (see CAUTION 11)

- ASRock XFast USB (see CAUTION 12)

- Hybrid Booster:

- ASRock U-COP (see CAUTION 13)

- Boot Failure Guard (B.F.G.)

7

- Good Night LED
Hardware - CPU Temperature Sensing
Monitor - Chassis Temperature Sensing

- CPU/Chassis Fan Tachometer

- CPU/Chassis Quiet Fan (Allow 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 / Vista

TM

/ VistaTM 64-bit
/ XP / XP 64-bit compliant
Certifi cations - FCC, CE, WHQL

- ErP/EuP Ready (ErP/EuP ready power supply is required)
(see CAUTION 14)

* For detailed product information, please visit our website: http://www.asrock.com

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 the third-party overclocking tools. Overclocking may affect your system
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.

8

CAUTION!

1. About the setting of “Hyper Threading Technology”, please check page

40.

2. 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 18 for proper installation.

3. Due to the operating system limitation, the actual memory size may be
less than 4GB for the reservation for system usage under Windows
VistaTM / XP. For Windows® OS with 64-bit CPU, there is no such limita­tion.

4. The maximum shared memory size is defi ned by the chipset vendor and
is subject to change. Please check Intel

®

website for the latest informa-

tion.

5. You can choose to use two of the four monitors only. D-Sub, DVI-D and
HDMI monitors cannot be enabled at the same time. Besides, with the
DVI-to-HDMI adapter, the DVI-D port can support the same features as
HDMIport.

6. xvYCC and Deep Color are only supported under Windows

7. Deep Color mode will be enabled only if the display supports 12bpc
in EDID. HBR is supported under Windows

®

7 64-bit / 7 / VistaTM 64-bit /

VistaTM.

7. For microphone input, this motherboard supports both stereo and mono
modes. For audio output, this motherboard supports 2-channel, 4-chan­nel, 6-channel, and 8-channel modes. Please check the table on page 13
for proper connection.

8. ASRock Extreme Tuning Utility (AXTU) is an all-in-one tool to fi ne-tune
different system functions in a user-friendly interface, which is including
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 performance. In OC DNA, you can save your OC settings as a
profi le and share with your friends. Your friends then can load the OC
profi le 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 effi ciency when the CPU cores are idle without

sacrificing computing performance. Please visit our website for the

operation procedures of ASRock Extreme Tuning Utility (AXTU).

ASRock website: http://www.asrock.com

®

®

7 64-bit /

7 /

9

9. ASRock Instant Flash is a BIOS fl ash utility embedded in Flash ROM.
This convenient BIOS update tool allows you to update system BIOS
without entering operating systems fi rst like MS-DOS or Windows®. With
this utility, you can press <F6> key during the POST or press <F2> key to
BIOS setup menu to access ASRock Instant Flash. Just launch this tool
and save the new BIOS fi le to your USB fl ash drive, fl oppy disk or hard

drive, then you can update your BIOS only in a few clicks without prepar-

ing an additional fl oppy diskette or other complicated fl ash utility. Please
be noted that the USB fl ash drive or hard drive must use FAT32/16/12 fi le
system.

10. If you desire a faster, less restricted way of charging your Apple devices,
such as iPhone/iPod/iPad Touch, ASRock has prepared a wonderful

solution for you - ASRock APP Charger. Simply installing the APP Char-

ger driver, it makes your iPhone charged 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 than ever.

ASRock website: http://www.asrock.com/Feature/AppCharger/index.asp

11.

SmartView, a new function of internet browser, 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 SmartView utility that helps you keep in touch with
friends on-the-go. To use 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 property of the device.

13. 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 sys-

tem.

10

14. EuP, stands for Energy Using Product, was a provision regulated by Eu­ropean Union to defi ne the power consumption for the completed system.
According to EuP, the total AC power of the completed system shall be
under 1.00W in off mode condition. To meet EuP standard, 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 standby power effi ciency is higher than 50% under 100 mA current
consumption. For EuP ready power supply selection, we recommend you
checking with the power supply manufacturer for more details.

11

1.3 Motherboard Layout

4

3

2

1

PLEDPWRBTN

HDLED RESET

1

PANEL1

PLED1

1

DVI_CON1

Top:
RJ-45

Top:

CTR BASS

HD_AUDIO1

1

Top:

LINE IN

AUDIO
CODEC

CHA_FAN1

CMOS

32Mb
BIOS

Battery

SATA_0(port0)

SATA_1
(port1)

CPU_FAN1

ATX12V1

Keyboard

PS2

USB 2.0
T: U SB 0

22

B: USB1

21

VGA1

20

HDMI1

19

USB2.0
T:USB2
B:USB3

USB 2.0
T: U SB 4
B: USB5

Center:

REAR SPK

Bottom:

Optical

SPDIF

Bottom:

MIC IN

Center:

FRONT

5

SATA_2(port4)

7

6

USB6_7

SATA_3(port5)

Intel

H61

8

USB8_9

1

PCIE1

9

1

10

ATXPWR1

CIR1

1

1

COM1

CLRCMOS1

1

H61M-ITX/SI

11

17.0cm (6.7in)

RoHS

12

1

SPEAKER1

DDR3_A1 (64bit, 240-pin module)

DDR3_B1 (64bit, 240-pin module)

13

17.0cm (6.7in)

14

15

17

18

16

1 System Panel Header (PANEL1, White) 13 Clear CMOS Jumper (CLRCMOS1)
2 Chassis Fan Connector (CHA_FAN1) 14 2 x 240-pin DDR3 DIMM Slots
3 SATA2 Connector (SATA_0 (port 0), Blue) (Dual Channel: DDR3_A1, DDR3_B1, Blue)
4 SATA2 Connector (SATA_1 (port 1), Blue) 15 1155-Pin CPU Socket
5 SATA2 Connector (SATA_2 (port 4), Blue) 16 PCI Express 2.0 x16 Slot (PCIE1, Blue)
6 SATA2 Connector (SATA_3 (port 5), Blue) 17 ATX 12V Power Connector (ATX12V1)
7 USB 2.0 Header (USB6_7, Blue) 18 Front Panel Audio Header
8 USB 2.0 Header (USB8_9, Blue) (HD_AUDIO1, White)
9 Consumer Infrared Module Header (CIR1) 19 Intel H61 Chipset
10 COM Port Header (COM1) 20 32Mb SPI Flash
11 ATX Power Connector (ATXPWR1) 21 CPU Fan Connector (CPU_FAN1)
12 Chassis Speaker Header (SPEAKER 1, White) 22 Power LED Header (PLED1)

12

1.4 I/O Panel

11

3

10

ACT/LINK
LED

4

5

6

7

8

9

SPEED
LED

1

14

1 USB 2.0 Ports (USB01) ** 8 Front Speaker (Lime)
2 VGA/D-Sub Port 9 Microphone (Pink)
* 3 LAN RJ-45 Port 10 USB 2.0 Ports (USB45)
4 Central / Bass (Orange) 11 USB 2.0 Ports (USB23)
5 Rear Speaker (Black) 12 VGA/HDMI Port
6 Optical SPDIF Out Port 13 VGA/DVI-D Port
7 Line In (Light Blue) 14 PS/2 Keyboard Port (Purple)

* There are two LED next to the LAN port. Please refer to the table below for the LAN port LED
indications.

Activity/Link LED SPEED LED

Status Description Status Description

2

13

LAN Port LED Indications

12

Off No Link Off 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link Green 1Gbps connection

LAN Port

If you use 2-channel speaker, please connect the speaker’s plug into “Front Speaker Jack”.

**

See the table below for connection details in accordance with the type of speaker you use.

TABLE for Audio Output Connection

Audio Output Channels Front Speaker Rear Speaker Central / Bass Line In or
(No. 8) (No. 5) (No. 4) Side Speaker
(No. 7)

2 V -- -- -­4 V V -- -­6 V V V -­8 V V V V

To enable Multi-Streaming function, you need to connect a front panel audio cable to the front

panel audio header. After restarting your computer, you will fi nd “Mixer” tool on your system.
Please select “Mixer ToolBox” , click “Enable playback multi-streaming”, and click

“ok”. Choose “2CH”, “4CH”, “6CH”, or “8CH” and then you are allowed to select “Realtek HDA
Primary output” to use Rear Speaker, Central/Bass, and Front Speaker, or select “Realtek
HDA Audio 2nd output” to use front panel audio.

13

Chapter 2: Installation

This is a Mini-ITX form factor (6.7" x 6.7", 17.0 x 17.0 cm) motherboard. Before you
install the motherboard, study the confi guration of your chassis to ensure that the
motherboard fi 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 component.

2. To avoid damaging the motherboard components due to static electricity,
NEVER place your motherboard directly on the carpet or the like. Also
remember to use a grounded wrist strap or touch a safety grounded object
before you handle components.

3. Hold components by the edges and do not touch the ICs.

4. Whenever you uninstall any component, place it on a grounded antistatic pad or
in the bag that comes with the component.

Before you install or remove any component, 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.

14

2.3 CPU Installation

For the installation of Intel 1155-Pin CPU,
please follow the steps below.

LoadPlate

LoadLever

Before you insert the 1155-Pin CPU into the socket, please check if the
CPU surface is unclean or if there is any bent pin on 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. Disengaging the lever by depressing

down and out on the hook to clear
retention tab.

Step 1-2. Rotate the load lever to fully open po-

sition at approximately 135 degrees.

Step 1-3. Rotate the load plate to fully open po-

sition at approximately 100 degrees.

Step 2. Remove PnP Cap (Pick and Place Cap).

ContactArray

SocketBody

1155-Pin Socket Overview

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.

15

Step 3. Insert the 1155-Pin CPU:

Step 3-1. Hold the CPU by the edge where is

marked with black line.

Step 3-2. Orient the CPU with IHS (Integrated

Heat Sink) up. Locate Pin1 and the
two orientation key notches.

orientation key notch

Pin1

orientation key notch

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

1155-Pin Socket

Step 4. Close the socket:

Step 4-1. Rotate the load plate onto the IHS.
Step 4-2. While pressing down lightly on load

plate, engage the load lever.

16

2.4 Installation of CPU Fan and Heatsink

This motherboard is equipped with 1155-Pin socket that supports Intel 1155-Pin
CPU. Please adopt the type of heatsink and cooling fan compliant with Intel 1155­Pin CPU to dissipate heat. Before you installed 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 12, No. 21).

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 CPU.
Step 1. Apply thermal interface material onto center of

IHS on the socket surface.

Apply Thermal
Interface Material

Step 2. Place the heatsink onto the socket. Ensure

fan cables are oriented on side closest to the

Fan cableson side
closest toMB header

CPU fan connector on the motherboard (CPU_
FAN1, see page 12, No. 21).

Fastener slots
pointing straightout

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.

If you press down the fasteners without rotating them clockwise, the
heatsink cannot be secured on the motherboard.

Press Down
(4 Places)

Step 5. Connect fan header with the CPU fan connector on the motherboard.
Step 6. Secure excess cable with tie-wrap to ensure cable does not interfere with
fan operation or contact other components.

17