- Intel Gemini Lake Celeron J4125 SoC Processors, 10W
- Gemini Lake is Non-Embedded, Planned Lifecycle to 2022
- 260-pin SO-DIMM DDR4-2400 up to 8GB
- Supports 2 Displays, 2 x HDMI 4K @60Hz
- 12V DC-In & M.2 SATA & Mini PCI-E
- ECO-design for EuP/ErP

Model SeriesJBC420P891P
Part NumberHBJC420P891-4125P (Non-WiFi)HBJC420P891Z-4125P (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 1 x Realtek RTL8111H Gigabit LAN
Audio Intel® Display Audio (via HDMI)
Storage 1 x 32GB eMMC
1 x M.2 SATA 2242
WiFi / Mini-PCIE / SIM 1 x Full size Mini-PCI Express Slot
1 x Micro SIM Card Slot
1 x Full size Mini-PCIe 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 * USB 2.0
Rear I/O Port 1 * +12V 2.5mm Diameter DC-In Power Jack
2 * USB 3.0 Ports
2 * HDMI 2.0 (4096 x 2160 @ 60Hz)
1 * Micro SIM
1 * RJ-45 Port
1 * Kensington Lock Hole
3 * Antenna Holes
Power Adapter : AC_90~240V / DC_12V/40W
Environment Operating Temperature : 0°C ~ 50°C with air flow
Storage Temperature : -20°C ~ 80°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
Ordering Info
Part Number Description
HBJC420P891-4125P Fanless J4125 Barebone with 32Gb eMMC
HBJC420P891Z-4125P Fanless J4125 Barebone with 32Gb eMMC and 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 Enterprise 64-bit Fedora 29.1.2
Windows 11 64bit openSUSE 15
Win 11 IoT Enterprise 64-bit Ubuntu 18.04
pfSense 2.4.4
FreeNAS 11.2
RedHat Enterprise 7.5
Andriod x86 8.1_rc2
JBC420P891P BIOS A07 Release Date 2023-7-20
Description Support ASMedia Mini PCIe RAID Card.
Download  BAUAJA07.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. Might be "fs1:" if you have more than one drive.
4. Type *.NSH to auto update BIOS.
5. Power off the system after the update finished.
Revised History [A06]. Update DRAM Compatibility.
[A05]. Update OS Select Options.
[A04]. Support mini PCIe to M.2 Daughter Boards.
[A03]. Support ALC888 Audio.
[A02]. Update Microcode for INTEL SA-00233.
[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 JBC420P891P
  Windows 10 (64 bit) Windows 11 (64 bit)
Chipset  inf_24.zip  inf_glk_w11.zip
Graphic  gfx_24.zip  gfx_glk_w11.zip
Sound  audio_24.zip  audio_glk.zip
LAN  rtllan_24.zip  rtllan_w11.zip
TXE  txe_g_24.zip  txe_glk_w11.zip
WiFi  wifi_driver_package.zip  wifi_driver_package.zip
Quick Installation Guide  G03-JC420QIG02-F.pdf
Motherboard Manual  G03-NP891P-F.pdf
Power Consumption Report  Power Consumption Report
Temperature Test Report  Temperature Test Report
Watchdog/GPIO sample code  Watchdog and GPIO sample code for Windows and Linux