ASROCK J4125B-ITX Manual de usuario

Version 1.0

Published December 2019

No part of this documentation 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 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

AUSTRALIA ONLY

Our goods come with guarantees that cannot be excluded under the Australian

Consumer Law. You are entitled to a replacement or refund for a major failure and

compensation for any other reasonably foreseeable loss or damage caused by our

goods. You are also entitled to have the goods repaired or replaced if the goods fail

to be of acceptable quality and the failure does not amount to a major failure. If

you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard

International call charges apply)

e terms HDMI®and HDMI High-Denition Multimedia Interface, and the HDMI

logo are trademarks or registered trademarks of HDMI Licensing LLC in the United

States and other countries.

English

J4125B-ITX

J4025B-ITX

Motherboard Layout

13 12 11

810

PCIE1

ATXPWR1

AUDIO

CODEC

Super

I/O

DDR4_A1

DDR4_B1

CPU_FAN1

USB2_3

HDLED RESET

PLE D PWRB TN

PANEL1

COM2

SATA3 _

CMOS

Battery

RoHS

HD_AUDIO1

BIOS

ROM

LAN

CLRMOS1

USB3_1_2

SATA3_1

Top:

LINE IN

Center:

FRONT

Bottom:

MIC IN

USB4_5

HDMI1

PARALLEL PORT

COM1 VGA1

USB 3.2 Gen1

T: USB1

B: USB2

PS2

Keyboard/

Mouse

USB 3.2 G en1 :

USB4

RJ-45

USB 2.0 : USB3

SPK_CI1

English

No. Description

1 CPU Fan Connector (CPU_FAN1)

2 ATX Power Connector (ATXPWR1)

3 System Panel Header (PANEL1)

4 Chassis Intrusion and Speaker Header (SPK_CI1)

5 Clear CMOS Jumper (CLRMOS1)

6 Chassis Fan Connector (CHA_FAN1)

7 2 x 260-pin DDR4 SO-DIMM Slots (DDR4_A1, DDR4_B1)

8 COM Port Header (COM2)

9 USB 2.0 Header (USB4_5)

10 USB 3.2 Gen1 Header (USB3_1_2)

11 USB 2.0 Header (USB2_3)

12 SATA3 Connector (SATA3_1)

13 SATA3 Connector (SATA3_2)

14 Front Panel Audio Header (HD_AUDIO1)

English

J4125B-ITX

J4025B-ITX

* 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

ACT/LINK LED

SPEED LED

LAN Port

I/O Panel

No. Description No. Description

1 PS/2 Mouse/Keyboard Port 7 USB 2.0 Port (USB3_3)

2 Parallel Port 8 USB 3.2 Gen1 Port (USB3_4)

3 LAN RJ-45 Port* 9 HDMI Port

4 Line In (Light Blue)** 10 D-Sub Port

5 Front Speaker (Lime)** 11 COM Port

6 Microphone (Pink)** 12 USB 3.2 Gen1 Ports (USB3_1_2)

1 2 3 5

11 1012

English

** To congure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-

channel audio feature through the audio driver.

Please set Speaker Conguration to “7.1 Speaker”in the Realtek HD Audio Manager.

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

English

J4125B-ITX

J4025B-ITX

Chapter 1 Introduction

ank you for purchasing ASRock J4125B-ITX / J4025B-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 J4125B-ITX / J4025B-ITX Motherboard (Mini-ITX Form Factor)

• ASRock J4125B-ITX / J4025B-ITX Quick Installation Guide

• ASRock J4125B-ITX / J4025B-ITX Support CD

• 2 x Serial ATA (SATA) Data Cables (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 motherboard, 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.

English

1.2 Specications

Platform • Mini-ITX Form Factor

• Solid Capacitor design

CPU • Intel® Quad-Core Processor J4125 (up to 2.7 GHz)

(for J4125B-ITX)

• Intel® Dual-Core Processor J4025 (up to 2.9 GHz)

(for J4025B-ITX)

Memory • Dual Channel DDR4 Memory Technology

• 2 x DDR4 SO-DIMM Slots

* 2GB DRAM per module is not supported.

• Supports DDR4 2400/2133 non-ECC, un-buered memory

• Max. capacity of system memory: 8GB

Expansion

Slot

• 1 x PCI Express 2.0 x16 Slot (PCIE1: x2 mode)

Graphics

• Integrated Intel® UHD Graphics 600: 12 EUs inside (Up to

750MHz) (for J4125B-ITX)

• Integrated Intel® UHD Graphics 600: 12 EUs inside (Up to

700MHz) (for J4025B-ITX)

• DX12, OpenGL 4.4, OGL ES 3.1, OpenCL 1.2

• HW Acceleration Decode: HEVC (H.265) 8 bit, HEVC

(H.265)10 bit, H.264 @ Lvl5.2 (AVC), JPEG/MJPEG, VP8,

VP9 8bit, VP9 10 bit

• HW Acceleration Encode: HEVC (H.265) 8 bit, HEVC

(H.265)10 bit, H.264 @ Lvl5.2 (AVC), JPEG/MJPEG, VP8,

VP9 8bit

• Dual graphics output: support D-Sub and HDMI ports by

independent display controllers

• Supports HDMI with max. resolution up to 4K x 2K

(4096x2160) @ 30Hz

• Supports D-Sub with max. resolution up to 2048x1536 @

60Hz

• Supports Auto Lip Sync, xvYCC and HBR (High Bit Rate

Audio) with HDMI Port (Compliant HDMI monitor is

required)

English

J4125B-ITX

J4025B-ITX

• Supports HDCP 2.2 with HDMI Port

• Supports Full HD 1080p Blu-ray (BD) playback with HDMI

Port

Audio • 7.1 CH HD Audio (Realtek ALC887 Audio Codec)

* To congure 7.1 CH HD Audio, it is required to use an HD

front panel audio module and enable the multi-channel audio

feature through the audio driver.

• Supports Surge Protection

• ELNA Audio Caps

LAN • PCIE x1 Gigabit LAN 10/100/1000 Mb/s

• Realtek RTL8111H

• Supports Wake-On-LAN

• Supports Lightning/ESD Protection

• Supports Energy Ecient Ethernet 802.3az

• Supports PXE

Rear Panel

I/O

• 1 x PS/2 Mouse/Keyboard Port

• 1 x Parallel Port (ECP/EPP Support)

• 1 x Serial Port: COM1

• 1 x D-Sub Port

• 1 x HDMI Port

• 1 x USB 2.0 Port (Supports ESD Protection)

• 3 x USB 3.2 Gen1 Ports (Supports ESD Protection)

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

LED)

• HD Audio Jacks: Line in / Front Speaker / Microphone

Storage • 2 x SATA3 6.0 Gb/s Connectors, support NCQ, AHCI and

Hot Plug

Connector • 1 x COM Port Header

• 1 x Chassis Intrusion and Speaker Header

• 1 x CPU Fan Connector (3-pin)

• 1 x Chassis Fan Connector (3-pin)

• 1 x 24 pin ATX Power Connector

• 1 x Front Panel Audio Connector

English

• 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD

Protection)

• 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)

(Supports ESD Protection)

* USB3_1_2 is shared with USB2_3.

BIOS

Feature

• AMI UEFI Legal BIOS with GUI support

• Supports Plug and Play

• ACPI 5.0 compliant wake up events

• Supports jumperfree

• SMBIOS 3.0 support

Hardware

Monitor

• CPU/Chassis temperature sensing

• CPU/Chassis Fan Tachometer

• CPU/Chassis Quiet Fan (Auto adjust chassis fan speed by

CPU temperature)

• CPU/Chassis Fan multi-speed control

• CASE OPEN detection

• Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore

OS • Microso® Windows® 10 64-bit

* Supports UEFI mode only

Certica-

tions

• FCC, CE

• ErP/EuP ready (ErP/EuP ready power supply is required)

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

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