- Fanless Intel Apollo Lake Celeron J3455 Processor
- 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 FBU691 FBU691Z
Part Number HBFBU691-3455-B (Non-WIFI) HBFBU691Z-3455-B (WIFI)
Motherboard Specification
CPU Fanless Intel® Celeron J3455 Processor Quad Core 1.50 GHz - 2.30 GHz, 10W TDP
Memory 1 * 204-pin DDR3L-1866 up to 8GB total, 1.35V required
Graphics Intel HD Graphics 500, 250MHz - 750MHz (J3455)
LAN 2 x Realtek RTL8111H Gigabit LAN
Audio Realtek ALC662VD HD Audio & Intel® Display Audio
Storage 1 x Full Size mSATA Slot
2.5” Bay 2.5" HDD/SSD Bracket included (Maximum height ≤ 10mm)
WiFi / Mini-PCIE / SIM 1 x Half size Mini-PCI Express Slot
1 x SIM Card Socket
WiFi + Bluetooth
TPM Intel fTPM 2.0 (PTT) Trusted Computing Firmware
* As of 5/11/2020, onboard TPM is now optional
Chassis Specification
Product size 125 * 109 * 55 mm
Material Lightweight aluminum alloy with extruded aluminum IO panel
Color Black
Front I/O Port 1 * RS232/422/485 COM port
2 * USB 3.0
1 * VGA (1920 x 1080 @ 60Hz)
1 * Power Button with LED
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 ~ 50°C with air flow and using mSATA
Storage Temperature : -40°C ~ 85°C
Humidity: 10% ~ 95% RH @40°C (non-condensing)
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
HBFBU691Z-3455-B J3455 Barebone in Black with WiFi
HBFBU691-3455-B J3455 Barebone in Black without WiFi
JNU691(Incl) NUC motherboard
LCSCHBJC3XX-F (Incl) Screw pack
HLMAP-FSP050-F (Incl) Adapter 12V 40W
HNSCOMWFAWCB161HF (for HBFBU691Z) WiFi and bluetooth
J05-ANT-GX57245-F (for HBFBU691Z) WiFi antenna
OS Support List
Windows Linux
Windows 10 64bit Fedora 25.13
Win 10 IoT Enterprise 64-bit Ubuntu 16.10
CentOS 7
pfSense 2.3.2
FBU691 BIOS A08 Release Date 2022-11-10
Description Update DRAM Compatibility.
Download  BATJUA08.zip
Flash 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 "BATJUA08" to auto update BIOS.
5. Power off the system after the update finished.
Revised History [A07]. Support Intel PTT (fTPM).
[A06]. 1.Support ALC888 Audio. 2.Add Beep Code on Boot.
[A05]. Update Microcode for F-1 Stepping CPU.
[A04]. 1.Update Microcode for INTEL SA-00233. 2.Add Turbo Mode Option.
[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 FBU691
  Windows 10 (64 bit)
Chipset  inf.zip
Graphic  gfx.zip
Sound  audio.zip
LAN  rtllan.zip
ISH  ish.zip
TXE  txe.zip
iRMT  iRMT.zip
WiFi  wifi_driver_package.zip
Quick Installation Guide  #
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