ASROCK J4125-ITX User Manual

16
English
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.5, No. 7)
Please connect fan cable
to the fan connector and
match the black wire to
the ground pin.
CPU Fan Connector
(3-pin CPU_FAN1)
(see p.5, No. 1)
Please connect the CPU
fan cable to the connector
and match the black wire
to the ground pin.
ATX Power Connector
(24-pin ATXPWR1)
(see p.5, No. 4)
is motherboard pro-
vides a 24-pin ATX power
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
Serial Port Header
(9-pin COM1)
(see p.5, No. 8)
is COM1 header
supports a serial port
module.
1. High Denition 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 the HD audio panel only. You don’t need to
connect them for the AC’97 audio panel.
E. To activate the front mic, go to the “FrontMic” Tab in the Realtek Control panel
and adjust “Recording Volume”.
12
1
24
13
GND
CPU_FA
N_SPEED
FAN_VOLTAGE
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
GND
CHA_FAN_SPEED
F
AN_VOLTAGE

ASROCK J4125-ITX Specifications

General

Processor cores	4
Processor model	J4125
Processor socket	BGA 1090
Processor manufacturer	Intel
Compatible processor series	-
Maximum number of SMP processors	1
Maximum internal memory supported by processor	8 GB
Non-ECC	Yes
Memory channels	Dual-channel
Memory slots type	SO-DIMM
Supported memory types	DDR4-SDRAM
Supported memory clock speeds	2133, 2400 MHz
Supported memory module capacities	1GB, 4GB
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	SATA III
Graphics card	Intel® UHD Graphics 600
OpenGL version	4.4
DirectX version	12.0
Maximum resolution	4096 x 2160 pixels
Number of displays supported	3
USB 2.0 connectors	2
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
USB connector type	USB Type-A
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.
Wi-Fi	No
LAN controller	Realtek RTL8111H
Ethernet interface type	Gigabit Ethernet
Audio chip	Realtek ALC892
Cooling type	Active
Component for	PC
Power source type	ATX
PC health monitoring	CPU, FAN, LED, Power supply, Temperature, Voltage
Audio output channels	7.1 channels
Motherboard form factor	mini ITX
Windows operating systems supported	Windows 10 x64
BIOS type	UEFI AMI
ACPI version	5.0
BIOS memory size	128 Mbit
System Management BIOS (SMBIOS) version	3.0
Cables included	SATA
Harmonized System (HS) code	84733020

Weight and Dimensions

Width	170 mm