- Fanless Intel Apollo Lake Celeron J3455 or Celeron N3350 Processors
- Embedded Long-life Series, Planned Lifecycle Through Q3'2031
- Supports up to 3 Displays, 2 * HDMI 4K @30Hz, VGA
- 12V DC-In & 2 x LAN & Onboard TPM 2.0
- ECO-design for EuP/ErP

Model Name JBC420U691 JBC420U691W
Part Number HBJC420U691-345B (J3455 non-WIFI)
HBJC420U691-335B (N3350 non-WIFI)
HBJC420U691W-345B (J3455 WIFI)
HBJC420U691W-335B (N3350 WIFI)
Motherboard Specification
CPU Fanless Intel® Celeron J3455 Processor Quad Core 1.50 GHz - 2.30 GHz, 10W TDP
Fanless Intel® Celeron N3350 Processor Dual Core 1.10 GHz - 2.40 GHz, 6W TDP
Memory 1 * 204-pin DDR3L-1866 up to 8GB total, 1.35V required
Graphics Intel HD Graphics 500, 250MHz - 750MHz (J3455)
Intel HD Graphics 500, 200MHz - 650MHz (N3350)
LAN 2 x Realtek RTL8111H Gigabit LAN
Audio Realtek ALC662VD HD Audio & Intel® Display Audio
Storage 1 x Full Size mSATA Slot
Wireless / Mini-PCIE / SIM 1 x Half size Mini-PCI Express Slot
1 x SIM Card Socket
Wireless 802.11 b/g/n + Bluetooth 4.0
1 x SIM Card Socket
TPM Intel fTPM 2.0 (PTT) Trusted Computing Firmware
Onboard TPM v2.0 IC
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
1 * Power LED
1 * RS232/422/485 COM port
2 * USB 3.0
1 * VGA (1920 x 1200 @ 60Hz)
Rear I/O Port 1 * +12V 2.5mm Diameter DC-In Power Jack
1 * Line out / MIC in Combo Jack
2 * HDMI 1.4b (3840 x 2160 @ 30Hz)
2 * USB 3.0 port
2 * RJ-45 port
2 * SMA Connector for WiFi Antenna
Power Adapter : AC_90~240V / DC_12V/40W
Environment Operating Temperature : 0°C ~ 40°C with air flow
Storage Temperature : -10°C ~ 70°C
Functional Digital Signage, Set Top Box, Thin Client, Car Entertainment, Smart Mini PC, POS/POI, KIOSK, HTPC
Certificate CE,FCC,ErP For Barebone
CE,FCC,TUV,UL,CCC,CB,ErP For Power Adapter
Ordering Info
Part Number Description
HBJC420U691W-345B J3455 Barebone in Black with WiFi
HBJC420U691-345B J3455 Barebone in Black without WiFi
HBJC420U691W-335B N3350 Barebone in Black with WiFi
HBJC420U691-335B N3350 Barebone in Black without WiFi
JNU691(Incl) NUC motherboard
HCS310MWM01B-F (Incl) WALL/VESA/DIN Rail Mount (Black)
HCS3XXDINRAILPS-F (Incl) Din Rail Clip
LCSCHBJC3XX-F (Incl) Screw pack
HLMAP-FSP040-F (Incl) Adapter 12V 40W LEVEL6
HNSCOMWFAWNB159-F (for HBJC420U691W) AW-NB159H PCIE half size WiFi BT card
J05-ANT-AN2400-F (for HBJC420U691W) WiFi antenna
OS Support List
Windows Linux
Windows 10 64bit Fedora 25.13
Win 10 IoT Enterprise 64-bit Ubuntu 16.10
pfSense 2.3.2
JBC420U691 BIOS A04 Release Date 2019-7-10
Description 1. Update Microcode for INTEL SA-00233.
2. Add Turbo Mode Option.
Download  BATJUA04.zip
Installation Instructions for UEFI 1. Unzip the file and copy to the USB flash drive with FAT32 format.
2. Boot from the USB flash drive.
3. Type "fs0:" to change path when you see Shell prompt.
4. Type "BATJUA04" to auto update BIOS.
5. Power off the system after the update finished.
Revised History [A03]. Improve DDR3L-1866 compatibility.
[A02]. Update Microcode and VBIOS.
[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 JBC420U691
  Windows 10 (64 bit)
Chipset  inf.zip
Graphic  gfx.zip
Sound  audio.zip
LAN  rtllan.zip
Serial IO  Serial_IO.zip
ISH  ish.zip
TXE  txe.zip
iRMT  iRMT.zip
WiFi  Wifi_Win7_Win8.1_Win10.zip
Quick Installation Guide  G03-JC420QIG01-F.jpg
Motherboard Manual  G03-NU691-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