ASROCK N100DC-ITX User manual

Contact Information
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for further information. For technical questions, please submit a support request
form at https://event.asrock.com/tsd.asp
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e-mail: [e-mail]
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e-mail: [e-mail]
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e-mail: sa[email protected]
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Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Specications 2
1.3 Motherboard Layout 4
1.4 I/O Panel 6
1.5 Block Diagram 8
Chapter 2 Installation 9
2.1 Installing Memory Module (DIMM) 10
2.2 Connecting the Front Panel Header 12
2.3 Installing the I/O Panel Shield 13
2.4 Installing the Motherboard 14
2.5 Installing SATA Drives 15
2.6 Installing a Graphics Card 17
2.7 Connecting Peripheral Devices 19
2.8 Power On 20
2.9 Jumpers Setup 21
2.10 Onboard Headers and Connectors 22
2.11 Intel® CNVi (Integrated WiFi/BT) Installation Guide 28
2.12 M.2 SSD Module Installation Guide (M2_1) 30

1
N100DC-ITX
Chapter 1 Introduction
ank you for purchasing ASRock N100DC-ITX 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.
1.1 Package Contents
• ASRock N100DC-ITX Motherboard (Mini-ITX Form Factor)
• ASRock N100DC-ITX User Manual
• 2 x Serial ATA (SATA) Data Cables (Optional)
• 1 x SATA Power Cable (Optional)
• 2 x Screws for M.2 Sockets (Optional)
• 1 x I/O Panel Shield
Because the motherboard specications and the BIOS soware might be updated, the
content of this documentation will be subject to change without notice. In case any modi-
cations of this documentation occur, the updated version will be available on ASRock’s
website without further notice. If you require technical support related to this mother-
board, please visit our website for specic information about the model you are using. You
may nd the latest VGA cards and CPU support list on ASRock’s website as well. ASRock
website http://www.asrock.com.

2
1.2 Specications
Platform • Mini-ITX Form Factor
• Solid Capacitor design
CPU • Intel® Quad-Core Processor N100 (up to 3.4 GHz)
• Supports Intel® Turbo Boost Technology
Memory • 1 x DDR4 DIMM Slot
• Supports DDR4 non-ECC, un-buered memory up to 3200*
* Please refer to Memory Support List on ASRock's website for
more information. (http://www.asrock.com/)
• Max. capacity of system memory: 32GB
Expansion
Slot
• 1 x PCIe 3.0 x4 Slot (PCIE1), supports x2 mode*
• 1 x M.2 Socket (Key E), supports type 2230 Intel® CNVio
(Integrated WiFi/BT)
* Supports NVMe SSD as boot disks
Graphics • Integrated Intel® UHD Graphics: 24 EUs inside (Up to
750MHz)
• 1 x HDMI 2.1 TMDS Compatible, supports HDCP 2.2 and
max. resolution up to 4K 60Hz
• 1 x D-Sub, supports max. resolution up to Full HD
(1920x1080) 60Hz
Audio • 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
LAN • Gigabit LAN 10/100/1000 Mb/s
• Realtek 8111H
USB • 4 x USB 3.2 Gen1 (2 Rear, 2 Front)
• 8 x USB 2.0 (4 Rear, 4 Front)
* All USB ports support ESD Protection
Rear Panel
I/O
• 1 x DC Jack (Compatible with the 19V power adapter)
• 2 x Antenna Mounting Points

3
N100DC-ITX
• 1 x PS/2 Mouse/Keyboard Port
• 1 x Serial Port: COM1
• 1 x D-Sub Port
• 1 x HDMI Port
• 2 x USB 3.2 Gen1 Ports
• 4 x USB 2.0 Ports
• 1 x RJ-45 LAN Port
• HD Audio Jacks: Line in / Front Speaker / Microphone
Storage • 1 x M.2 Socket (M2_1, Key M), supports type 2280 PCIe
Gen3x2 (16 Gb/s) mode*
• 2 x SATA3 6.0 Gb/s Connectors
* Supports NVMe SSD as boot disks
Connector • 1 x Print Port Header
• 1 x SPI TPM Header
• 1 x Chassis Intrusion and Speaker Header
• 2 x Chassis Fan Connectors (4-pin)
• 1 x Front Panel Audio Connector
• 2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
• 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
BIOS
Feature
• AMI UEFI Legal BIOS with GUI support
OS • Microso® Windows® 10 64-bit / 11 64-bit
Certica-
tions
• FCC, CE
• ErP/EuP ready (ErP/EuP ready power supply is required)
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 aect 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.
* For detailed product information, please visit our website: http://www.asrock.com

4
1
RoHS
3
5
7
USB 2.0
T: USB_1
B:USB_2
PS2
Keyboard/
Mouse
DC_JACK1
DDR4_A1 (64 bit, 288-pin module)
N100DC-ITX
CMOS
Battery
M2_WIFI1
CHA_FAN1
CHA_FAN2
Super
I/O
BIOS
ROM
PCIE1
1
USB_56
USB_78
1
USB3_34
SPK_CI1
1
PANEL1
HDLED RESET
PLED PWRBTN
1
1
6
8
9
4
15
1
LPT1
10
SATA_PWR1
1
SATA3_ 1
SATA3_ 0
11
13
HD_AUDIO1
1
14 12
M2_1
Top:
RJ-45
Top:
LINE IN
Center:
FRONT
Bottom:
MIC IN
USB2.0
T: USB_3
B: USB_4
USB 3.2 Gen1
T:
USB3_2
B: USB3_1
HDMI1
VGA1
1
SPI_TPM_J1
CLRMOS1
1
2
LAN
COM1
1.3 Motherboard Layout

5
N100DC-ITX
No. Description
1 Chassis Fan Connector (CHA_FAN1)
2 Clear CMOS Jumper (CLRMOS1)
3 288-pin DDR4 DIMM Slot (DDR4_A1)
4 Chassis Fan Connector (CHA_FAN2)
5 Chassis Intrusion and Speaker Header (SPK_CI1)
6 System Panel Header (PANEL1)
7 USB 2.0 Header (USB_56)
8 USB 2.0 Header (USB_78)
9 Print Port Header (LPT1)
10 USB 3.2 Gen1 Header (USB3_34)
11 SATA Power Connector (SATA_PWR1)
12 SATA3 Connector (SATA3_0)
13 SATA3 Connector (SATA3_1)
14 Front Panel Audio Header (HD_AUDIO1)
15 SPI TPM Header (SPI_TPM_J1)

6
1.4 I/O Panel
No. Description No. Description
1 USB 2.0 Ports (USB_12) 7 Microphone (Pink)**
2 LAN RJ-45 Port* 8 USB 3.2 Gen1 Type-A Ports (USB3_12)
3D-Sub Port 9HDMI Port
4COM Port 10 USB 2.0 Ports (USB_34)
5 Line In (Light Blue)** 11 PS/2 Mouse/Keyboard Port
6 Front Speaker (Lime)** 12 DC Jack***
* ere are two LEDs on the LAN port. Please refer to the table below for the LAN port LED indications.
Activity / Link LED Speed LED
Status Description Status Description
O No Link O 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link Green 1Gbps connection
** Function of the Audio Ports in 7.1-channel Conguration:
Port Function
Light Blue (Rear panel) Rear Speaker Out
Lime (Rear panel) Front Speaker Out
Pink (Rear panel) Central /Subwoofer Speaker Out
Lime (Front panel) Side Speaker Out
ACT/LINK LED
SPEED LED
LAN Port
1
11 7
6
5
89
2
10
34
12

7
N100DC-ITX
*** Please use a 19V power adapter for the DC jack. is jack accepts dual barrel plugs with an inner diameter of
2.5 mm and an outer diameter of 5.5 mm, where the inner contact is +19V (±10%) DC and the shell is GND.
Please refer to below hardware conguration for the estimated adapter power.
DRAM HDD PCIe Card Estimated Adapter Power
11035W
12050W
24084W
11<20W 60W
12<20W 75W
11<40W 85W
If you install 4 HDDs, please use the 90W DC-in 19V power adapter.
Due to the power limitation and PCIe bandwidth (x1), the VGA card is not supported.
When you use the DC-in power adapter, please use the onboard SATA power connector to get the power for
HDDs.
2.5 mm
5.5 mm

8
1.5 Block Diagram
Alder Lake-N
DDIA
D-SUB
DDIB
HDMI
Channel A
DDR4 Slot x1
OPI
ASM1074 USB HUB
5Gb/s
5Gb/s 5Gb/s
Front USB 3.2 Gen1 Type A 2 ports Rear USB 3.2 Gen1 Type A 2 ports
480Mb/s 480Mb/s
GL850 USB HUB
Rear USB 2.0 4 ports
Front USB 2.0 Type A 4 ports
480Mb/s
SPI
Flash ROM 128Mb FAN x2 H/W Monitor
SIO NCT6796D
KB/MS
eSPI
SATA 6Gb
SATA 6Gb
AZ(HD Audio)
CNVio
Gen3 x1
Gen3 x2
Gen3 x2
PCIe x2 Slot (PCIE1)
SATA3_0 SATA3_1
ALC897 (3 jack Audio)
M.2 KEY M (M2_1)
RTL8111H GbE LAN
M.2 KEY E
Alder Point N
PCH

9
N100DC-ITX
is is a Mini-ITX form factor motherboard. Before you install the motherboard,
study the conguration of your chassis to ensure that the motherboard ts into it.
Pre-installation Precautions
Take note of the following precautions before you install motherboard components
or change any motherboard settings.
• Make sure to unplug the power cord before installing or removing the motherboard
components. Failure to do so may cause physical injuries and damages to motherboard
components.
• In order to avoid damage from static electricity to the motherboard’s components,
NEVER place your motherboard directly on a carpet. Also remember to use a grounded
wrist strap or touch a safety grounded object before you handle the components.
• Hold components by the edges and do not touch the ICs.
• Whenever you uninstall any components, place them on a grounded anti-static pad or
in the bag that comes with the components.
• When placing screws to secure the motherboard to the chassis, please do not over-
tighten the screws! Doing so may damage the motherboard.
Chapter 2 Installation

10
2.1 Installing Memory Module (DIMM)
is motherboard provides a 288-pin DDR4 (Double Data Rate 4) DIMM slot.
1. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4
slot; otherwise, this motherboard and DIMM may be damaged.
2. e 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.

11
N100DC-ITX
1
2
3

12
2.2 Connecting the Front Panel Header
ABC D
1
2
32:(56:
5(6(76:
32:(5/('
32:(5/('
+''/('
3$1(/
Power SW (-)RESET SW (+)
HDD LED (-)
HDD LED (+)
12
910
RESET SW (-)Power SW (+)
Power LED (-)
Power LED (+)
A
B
C
D
PANEL1
HDD LED
RESET SW
System Panel Header Front Panel Wires

13
N100DC-ITX
2.3 Installing the I/O Panel Shield
1

14
2.4 Installing the Motherboard
N100DC-ITX

15
N100DC-ITX
2.5 Installing SATA Drives
1
2
Optical Drive
SATA Drive
SATA Data Cable

16
3
4
SATA Power Connector
SATA Data Connector

17
N100DC-ITX
2.6 Installing a Graphics Card
1
CLICK!