ASROCK J4125B-ITX User Manual (English)

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Version 1.0

Published December 2019

No part of this documentation may be reproduced, transcribed, transmitted, or

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documentation by the purchaser for backup purpose, without written consent of

ASRock Inc.

Products and corporate names appearing in this documentation may or may not

be registered trademarks or copyrights of their respective companies, and are used

only for identication or explanation and to the owners’ benet, without intent to

infringe.

Disclaimer:

Specications and information contained in this documentation 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 documentation.

With respect to the contents of this documentation, 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 tness for a particular

purpose.

In no event shall ASRock, its directors, ocers, employees, or agents be liable for

any indirect, special, incidental, or consequential damages (including damages for

loss of pro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 documentation or product.

is 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

e 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

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ASROCK J4125B-ITX Specifications

General

Wi-Fi	No
Ethernet LAN	Yes
LAN controller	Realtek RTL8111H
Ethernet interface type	Gigabit Ethernet
Cables included	SATA
Audio chip	Realtek ALC887
Component for	PC
PC health monitoring	FAN, Temperature, Voltage
Audio output channels	7.1 channels
Motherboard form factor	mini ITX
Motherboard chipset family	Intel
Windows operating systems supported	Windows 10 x64
PS/2 ports quantity	1
eSATA ports quantity	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3
USB 2.0 connectors	2
OpenGL version	4.4
DirectX version	12.0
Maximum resolution	4096 x 2160 pixels
Parallel processing technology support	Not supported
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	SATA III
BIOS type	UEFI AMI
ACPI version	5.0
BIOS memory size	128 Mbit
System Management BIOS (SMBIOS) version	3.0
Memory channels	Dual-channel
Memory slots type	DIMM
Supported memory types	DDR4-SDRAM
Maximum internal memory	8 GB
Supported memory clock speeds	2133, 2400 MHz
Processor cores	4
Processor model	J4125
Processor socket	-
Compatible processor series	Intel® Celeron®
Harmonized System (HS) code	84733020