ASROCK J4105B-ITX User Manual

16
English
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.5, No. 6)
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. 2)
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.
12
1
24
13
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”.
GND
+12V
CPU_FAN_SPEED
GND
+12V
CHA_FAN_SPEED

ASROCK J4105B-ITX Specifications

General

Audio chip	Realtek ALC887
Certification	FCC, CE, ErP/EuP
Component for	PC
Motherboard chipset	-
PC health monitoring	CPU, FAN, Temperature, Voltage
Audio output channels	7.1 channels
Motherboard form factor	mini ITX
Motherboard chipset family	Intel
Windows operating systems supported	Windows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home x64, Windows 10 Pro x64
Cables included	SATA
Drivers included	Yes
Processor family	Intel® Celeron®
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.
Ethernet LAN (RJ-45) ports	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3
USB 2.0 connectors	2
LAN controller	Realtek RTL8111H
Ethernet interface type	Gigabit Ethernet
Graphics card	UHD Graphics 600
OpenGL version	4.3
DirectX version	12.0
Maximum resolution	4096 x 2160 pixels
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	SO-DIMM
Supported memory types	DDR4-SDRAM
Maximum internal memory	8 GB
Supported memory clock speeds	2133, 2400 MHz
Processor cores	4
Processor model	J4105
Harmonized System (HS) code	84733020

Weight and Dimensions

Width	170 mm