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ITX-J4125
The SBC (Single Board Computer) promotion kit based on Intel Gemini Lake Refresh (J4125) is a compact, highly integrated system designed for a wide range of embedded applications.
With a Mini-ITX form factor (170mm x 170mm), it offers high-performance computing and low power consumption, making it ideal for space-constrained and fanless applications.
The system is equipped with comprehensive I/O options, expansion capabilities, and TPM security support, all packaged in a durable and reliable design.
 
Key Features:
• Processor:
oPowered by Intel Gemini Lake Refresh (J4125), a quad-core SoC, known for its energy efficiency and ability to handle general computing tasks with UHD graphics support for high-definition displays.
• Memory & Storage:
oSupports up to 16GB of DDR4 2400MHz So-DIMM memory, providing flexibility for memory-intensive applications.
oOffers versatile storage options, including an onboard eMMC (16GB to 128GB), 2x SATA III ports, and an M.2 PCIe x4 slot for high-speed SSDs.
• Expansion Slots:
oM.2 slots for both SSD (PCIe x4) and Wi-Fi (PCIe x1), enabling easy installation of high-speed storage and wireless connectivity.
• Dual Display Support:
oTwo Display ports support dual independent displays, making it ideal for digital signage, media players, and other visual computing applications.
• Networking:
oEquipped with a Realtek RTL8111F Ethernet controller providing a fast and stable network connection through the RJ-45 port.
• TPM Security:
oOptional support for hardware-based TPM (Infineon 9665 TPM 2.0) or firmware TPM (Intel fTPM), ensuring data integrity and encryption for secure applications.
• I/O Ports:
oExternal I/O includes 2x USB 3.0, 2x USB 2.0, 2x Display, 1x RJ-45 LAN port, and 1x DB9 COM port for serial communication./td>
oInternal I/O includes 3x USB 2.0 headers, RS-232, GPIO, and fan headers.
• Watchdog Timer & Smart Fan Control:
oBuilt-in watchdog timer ensures the system automatically resets in case of a failure, with adjustable intervals from 1 second to 255 minutes.
oSmart fan control allows RPM-based cooling, providing efficiency and quiet operation.
• Power Failures Recovery & RTC:
oThe system can automatically power on after power failures and supports Real-Time Clock (RTC) functionality for scheduled boot-up times.
• CIR Connector:
oConsumer IR (CIR) connector supports remote control operations, making it a suitable choice for home entertainment systems.
 
Applications:
The SBC promotion kit is versatile and can be used in various sectors, including:
• Digital Signage:
oDual Display output supports multiple high-definition displays, making this kit perfect for video walls, information kiosks, and advertising screens.
• Media Centers & Home Theater PCs (HTPC):
oWith UHD graphics, Display outputs, and CIR connector for remote controls, this board is ideal for home entertainment systems.
• IoT Gateways:
oThe robust networking capabilities and TPM support make this kit suitable for secure IoT gateway solutions for industrial automation, smart homes, or smart city applications.
• Industrial Automation:
oThe board’s watchdog timer, wide temperature range, and support for RS-232 make it an excellent option for industrial control systems.
• Embedded Systems:
oSmall form factor, TPM security, and fanless design make this kit ideal for embedded systems such as kiosks, medical devices, and point-of-sale (POS) terminals.
• Edge Computing:
oIts compact size, low power consumption, and multiple I/O options make this SBC a powerful solution for edge computing, where real-time data processing is required at the network's edge.
System Chipset SoC Intel Gemini Lake Refresh
System Memory Two 204-pin So-DIMM DDR4 2400MHz Up to 16 GB
Audio Realtek® ALC262 HD Audio
Ethernet Realtek RTL8111F
BIOS AMI® 64Mb SPI BIOS MX25U6435F/W25Q64JW/GD25LB64C
I/O Chip ITE8659E-I/HX
Expansion 1 x 2280 & 2242 M.2 M Key (SATA III /PCIe x2/x4 Signal)
1 x 2230 M.2 E Key (PCI-E x1 Signal)
Watchdog Timer Reset: 1 sec. ~ 255min. and 1sec. or 1min./step
H/W Status Monitor Monitoring System Temperature, Voltage, with Auto Throttling Control
Smart Fan Control Yes RPM mode
S3 / S4 Yes
TPM Option Infineon® 9665 TPM 2.0 / Intel fTPM(firmware TPM)
Display
Graphics Engine Intel® Integrated UHD Graphic Engine
Display Interfaces 2 x Display
Display Capability Supports Two Independent Displays : Display 1 , Display 2
External I/O
Audio 1 x Line-out, 1 x Mic-in
USB 2 x USB 3.0 / 2 x USB 2.0
LAN 1 x RJ-45
Display 2 x Display
COM port 1 x DB 9
Adaptor-in DC 12~19V
Internal I/O
GPIO
USB 3 x USB 2.0 Header
COM(Serial Port) 1 x RS-232 Header
SATA 2 x SATAIII
ATX-in 2 x 2 Pin ATX-In Connector
MIO 1 x 4 pin CPU Fan Header
1 x 4 Pin System Fan Header
1 x Front Audio Header
1 x Front Panel Header
1 x Onboard Buzzer
1 x CMOS Battery Socket
1 x LPC Header
1 x CIR
2 x USB2.0
Mechanical and Environment
Power Type Power Adaptor
Dimensions(L)x(W) 6.7” (L) x 6.7” (W)
AddTime Category Model Specification Version Data size Download
2024-12-13 Motherboard ITX-J4125 DPTF v8.3.10205 8MB
2024-12-13 Motherboard ITX-J4125 ITECIR v5521 7MB
2024-12-13 Motherboard ITX-J4125 Realtek_LAN v100.73 5MB
2024-12-13 Motherboard ITX-J4125 SerialIO v30.100.1915 3MB
2024-12-13 Motherboard ITX-J4125 TXE v4.0.48.2042 156MB
2024-12-13 Motherboard ITX-J4125 VGA 101.2134 493MB
2024-12-13 Motherboard ITX-J4125 HD_AUDIO R283 414MB
2024-12-13 Motherboard ITX-J4125 INF v10.1.19376 5MB
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