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Product Datasheet

13 May 2026

Industrial & Embedded Motherboard · ATX

EAX-R680FP

Series: EAX

Manufactured byAvalue
EAX-R680FP Front

The Avalue EAX-R680FP is an ATX motherboard designed for industrial and embedded applications. It supports 12th, 13th, and 14th Gen Intel® Core™ i9/i7/i5/i3 processors with a TDP of up to 125W, utilizing the Intel® R680E chipset. The board accommodates up to 128GB DDR4 3200MHz U-DIMM memory. Key features include quad display outputs (2 x DP++, 1 x HDMI, 1 x LVDS), dual Intel® Ethernet ports (2 x I225-LM 2.5GbE, 2 x X550-AT2 10GbE), multiple USB ports (8 x USB 3.2 Gen2, 6 x USB 2.0), serial interfaces (6 x RS-232, 2 x RS-232/422/485), GPIOs, and expansion options through 2 x PCIe x16 slots (supporting 1 x PCIe x16 Gen5 or 2 x PCIe x8 Gen4), 2 x PCIe x4 Gen4 slots, 1 x PCIe x4 Gen3 slot, and 2 x M.2 (2242/2280/22110) M-Key slots for NVMe SSDs. With a standard ATX form factor of 304.8mm x 243.84mm, ATX power support, and operating temperature range of 0°C to 55°C, the EAX-R680FP offers a robust solution for space-constrained environments.

Key Features

  • 12/13/14th Generation Intel® Core™ i9/i7/i5/i3 Processors, supports LGA 1700 CPU Up to 125W Max, Intel® R680E Chipset
  • 4 x 288-Pin DDR4 3200MHz U-DIMM Socket Supports Up to 128GB (ECC Memory Support by CPU)
  • 2 x DP++, 1 x HDMI2.0b
  • 2 x PCIe x16 Slots for 1 x PCIe x16 (Gen5) Default or 2 x PCIe x8 (Gen5), 2 x PCIe x4 Gen4, 1 x PCIe x4 Gen3, 1 x PCIe x4 slot for 1 x PCIe x2 (Gen3)
  • 2 x Intel® i225LM 2.5G Gigabit Controller
  • 8 x USB 3.2 Gen2, 1 x USB 3.2 Gen1 Vertical Type A, 5 x USB by Pin-header
  • 2 x M.2 Key M NVMe (Gen4x4) 2242/2280/22110
  • 6 x RS232, 2 x RS232/422/485 (COM2 & 3 By BIOS Selection)
  • ATX Power

Technical Specifications

System Information

ProcessorLGA 1700 Socket Supports 12/13/14th Generation Intel® Core™ i9/i7/i5/i3 Processors (Max. TDP at 125W)
Platform Controller HubIntel® R680E Chipset
System Memory4 x 288-Pin DDR4 3200MHz U-DIMM Socket Supports Up to 128GB (ECC Memory Support by CPU)
I/O Chipsetnuvoton NCT6126D
Watchdog TimerH/W Reset, 5~255 Seconds/5~255 Minutes
BIOSAMI uEFI BIOS, 256Mbit SPI Flash ROM
H/W Status MonitorCPU Temperature Monitoring, Voltage Monitoring, CPU Fan Speed Control
TPMOnboard nuvoTon NPCT750AADYX Supports TPM 2.0
BoardATX

Display

Multiple DisplayTriple Diaplay
Graphic ChipsetIntel® 12th/13/14th Generation CPU Integrated
Spec. & Resolution2 x DP (DP1.4a): Max (Combined): 7680 x 4320@60Hz, (DP++ Via dongle: 1920 x 1080@60 Hz), 1 x HDMI (HDMI 2.0b): Max Resolution 4K x 2K@60Hz (With HDR)

Storage

Storage2 x M.2 Key M NVMe (Gen4x4) 2242/2280/22110, 4 x SATAIII

Expansion

Expansion2 x PCIe x16 slots for 1 x PCIe x16 Gen5 default or 2 x PCIe x8 Gen5, 2 x PCIe x4 Gen4, 1 x PCIe x4 Gen3, 1 x PCIe x4 slot for 1 x PCIe x2 Gen3

Audio

Audio CodecRealtek ALC888S HD Audio Decoding Controller
Audio InterfaceMic-in, Line-out, 5.1-CH Audio
Audio Amplifier2 x 6W 8Ω Amplifier

Ethernet

LAN Chipset2 x Intel® i225LM 2.5G Gigabit Controller
LAN Port2 x 2.5G LAN

Power Requirement

Power ModeAT/ATX (Default Setting: ATX)

Software Support

OSWindows 10, Windows 11, Linux

Certification

Certification InformationCE, FCC, RoHS Compliant

I/O

USB8 x USB 3.2 Gen2, 1 x USB 3.2 Gen1 Vertical Type A, 5 x USB 2.0
COM Port1 x RS232 on rear I/O, 2 x RS232/422/485 by pin-header, 3 x RS232 by pin header
SATA4 x SATA III
RAIDSupport RAID 0, 1, 5, 10
DIO1 x 16-bit GPIO

Mechanical & Environmental

Operating Temp.0~55°C (32~131°F), 0.5m/s Air Flow
Storage Temp.-40~ +75°C (-40~167°F)
Dimension (L x W)12" x 9.6" (304.8mm x 243.84mm)
Weight1.54lbs (0.7kg)
Operating Humidity40°C @ 95% Relative Humidity, Non-condensing
Power ModeAT/ATX (Default Setting: ATX)
Power Requirement+12V/+5V/5VSB/+3.3V/-12V

Ordering Information

Ordering InformationEAX-R680FP-A1-1R: Intel R680E, 1 x PCIex16, without 10G, EAX-R680FP-A1-2R: Intel R680E, 2 x PCIex8, without 10G

Certifications

FCCCertified
CECertified
UKCACertified
RoHSCompliant

Authorised distributor — India

TSL Automation Solutions

Mumbai, India

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© 2026 TSL Automation Solutions. Specifications subject to change without notice. This datasheet was generated from manufacturer-supplied technical data.