ASROCK J4105B-ITX User Manual

14
English
2.4 Onboard Headers and Connectors
System Panel Header
(9-pin PANEL1)
(see p.5, No. 3)
Connect the power
switch, reset switch and
system status indicator on
the chassis to this header
according to the pin
assignments below. Note
the positive and negative
pins before connecting
the cables.
Chassis Intrusion and
Speaker Header
(7-pin SPK_CI1)
(see p.5, No. 4)
Please connect the
chassis intrusion and the
chassis speaker to this
header.
PWRBTN (Power Switch):
Connect to the power switch on the chassis front panel. You may congure the way to
turn o your system using the power switch.
RESET (Reset Switch):
Connect to the reset switch on the chassis front panel. Press the reset switch to restart
the computer if the computer freezes and fails to perform a normal restart.
PLED (System Power LED):
Connect to the power status indicator on the chassis front panel. e LED is on when
the system is operating. e LED keeps blinking when the system is in S1/S3 sleep state.
e LED is o when the system is in S4 sleep state or powered o (S5).
HDLED (Hard Drive Activity LED):
Connect to the hard drive activity LED on the chassis front panel. e LED is on when
the hard drive is reading or writing data.
e front panel design may dier by chassis. A front panel module mainly consists
of power switch, reset switch, power LED, hard drive activity LED, speaker and etc.
When connecting your chassis front panel module to this header, make sure the wire
assignments and the pin assignments are matched correctly.
Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over
these headers and connectors. Placing jumper caps over the headers and connectors
will cause permanent damage to the motherboard.
GND
RESET#
PWRBTN#
PLED-
PLED+
GND
HDLED-
HDLED+
1
GND

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