- Intel Gemini Lake Celeron J4125 SoC Processors, 10W
- Gemini Lake is Non-Embedded
- Supports 3 Displays, 2 x HDMI 4K @60Hz, DP 4K @60Hz
- 260-pin SO-DIMM DDR4-2400 up to 8GB
- 12V DC-In & M.2 SATA & 2 x COMs
- ECO-design for EuP/ErP

Model SeriesJBC420U11
Part NumberHBJC420U11-4125B (Non-WiFi)HBJC420U11i-4125B (WiFi)
Motherboard Specification
CPU Fanless Intel® Celeron J4125 Processor Quad Core 2.00 GHz - 2.70 GHz, 10W TDP
Memory 1 * 260-pin SO-DIMM DDR4-2400 up to 8GB Total
Graphics Intel® HD Graphics 600
LAN 2 x Realtek RTL8119I Gigabit LAN
Audio Realtek ALC888S Audio
Storage 1 x M.2 M-key SATA 2242
WiFi / M.2 1 x M.2 E-key (2230, CNVi/PCIe/USB2.0) Open 1 x M.2 WiFi Installed
Chassis Specification
Product size 129 * 109.4 * 34 mm
Material Lightweight aluminum alloy with extruded aluminum IO panel
Color Black
Storage Bay NA
Front I/O Port 1 * Power Button with LED
2 * Serial (1 * RS232/422/485, 1 * RS232)
1 * USB 3.2 Gen 1 Type-C (5 Gb/s)
1 * USB 3.2 Gen 1 Type-A (5 Gb/s)
Rear I/O Port 1 * +12V 2.5mm Diameter DC-In Power Jack
1 * Line out / MIC in Combo Jack
2 * HDMI 2.0 (4096 x 2160 @ 60Hz)
1 * DP (4096 x 2304 @ 60Hz)
2 * USB 3.2 Gen 1 Type-A (5 Gb/s)
2 * RJ-45 Port (10/100/1000)
2 * WiFi Antenna (WiFi version)
Power Adapter : AC_90~240V / DC_12V/40W
Environment Operating Temperature : -10°C ~ 50°C with air flow
Storage Temperature : -20°C ~ 60°C
Functional Digital Security, Digital Signage, Cloud Applications, IoT
Certificate CE,FCC,ErP For Barebone
CE,FCC,TUV,UL,CCC,CB,ErP For Power Adapter
Mechanical Drawing

Ordering Info
Part Number Description
HBJC420U11-4125B Fanless J4125 Barebone
HBJC420U11i-4125B Fanless J4125 Barebone with WiFi
HCS310MWM01B-F (Incl) WALL/VESA/DIN Rail Mount (Black)
LCSCHBJC3XX-F (Incl) Screw pack
L01AS050-F (Incl) 40W/12V/3.3A L6 EN62368-1 2.5/5.5mm non-locking AC Adapter
OS Support List
Windows Linux
Windows 10 64bit ver. 1709 or newer CentOS 18.10
Win 10 IoT 2019 Enterprise 64-bit Fedora 29.1.2
Windows 11 64bit openSUSE 15
Ubuntu 18.04
pfSense 2.4.4
FreeNAS 11.2
RedHat Enterprise 7.5
Andriod x86 8.1_rc2
JBC420U11 BIOS A02 Release Date 2022-10-6
Description 1. Update DRAM Compatibility.
2. Set dTPM as default.
Download  BAMUJA02.zip
Flash Instructions for UEFI 1. Unzip the file and copy to the USB flash drive with FAT32 format.
2. Insert the USB drive, Enter BIOS, and select "Built-in EFI Shell" from Boot Override.
3. Type "fs0:" to change path when you see Shell prompt.
4. Type "BAMUJA02.NSH" to auto update BIOS.
5. Power off the system after the update finished.
* Read Detailed Instructions in PDF
Revised History [A01]. Initial BIOS.

· Please do not flash the BIOS UNLESS your system has a BIOS-related issue. Flashing the wrong BIOS can cause irreparable damage to the system.
· Please be aware that by flashing this BIOS you agree that in the event of a BIOS flash failure, you must contact your dealer for a BIOS replacement. There are no exceptions to this policy. Jetway does not have a policy of replacing BIOS chips directly with end users.

Drivers for JBC420U11
  Windows 10 (64 bit) Windows 11 (64 bit)
Chipset  inf.zip  inf_glk_w11.zip
Graphic  gfx.zip  gfx_glk_w11.zip
Sound  audio.zip  audio_glk.zip
LAN  rtllan.zip  rtllan_w11.zip
ISH  ish_g_24.zip  ish_g_24.zip
TXE  txe_g.zip  txe_glk_w11.zip
WiFi  AW-CB375.zip  AW-CB375.zip
Quick Installation Guide  G03-JC420MU11QIG-F.pdf
Motherboard Manual  G03-MU11-F.pdf
Power Consumption Report  Reports available upon request
Temperature Test Report  Reports available upon request
Watchdog/GPIO sample code  Watchdog and GPIO sample code for Windows and Linux