- 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 A01 Release Date 2022-2-21
Description First Release for Production.
Download  BAMUJA01.zip
Installation Instructions for UEFI 1. Unzip the file and copy to the USB flash drive with FAT32 format.
2. Insert USB and press [F7] on boot to select "UEFI: Built-in EFI Shell"
3. Type "fs0:" to change path when you see Shell prompt.
4. Type "BAMUJA01" to auto update BIOS.
5. Power off the system after the update finished.
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