What are the key features of the EAX-R680BP ATX motherboard?

The EAX-R680BP is a full-size industrial ATX board with the Intel R680E chipset and LGA1700 socket (12/13/14th & Series 2 Gen Intel Core, up to 125W), four DDR5 4400MHz U-DIMM slots up to 192GB with ECC, dual PCIe x16 Gen5, dual M.2 NVMe Gen4x4, four SATA III, triple display (2x DP 1.4a + HDMI 2.1b), quad Intel I226 2.5GbE, and onboard TPM 2.0.

Which processors does the EAX-R680BP support?

It supports 12th, 13th, 14th and Series 2 Gen Intel Core i9/i7/i5/i3 processors on the LGA1700 socket, with a maximum TDP of 125W, via the Intel R680E platform controller hub.

How much memory does the EAX-R680BP support, and is ECC supported?

The board has four 288-pin DDR5 4400MHz U-DIMM sockets supporting up to 192GB. ECC memory is supported, dependent on the installed CPU.

What PCIe expansion does the EAX-R680BP provide?

It offers two PCIe x16 slots (one x16 Gen5 default, or two x8 Gen5 via BIOS), two PCIe x4 Gen4, one PCIe x4 Gen3, an additional PCIe x2 Gen3 slot, plus two M.2 Key-M NVMe Gen4x4 — ample for GPUs, accelerators, and capture/IO cards.

What storage options does the EAX-R680BP have?

Storage comprises two M.2 Key-M NVMe slots (PCIe Gen4 x4, sizes 2242/2280/22110) and four SATA III ports.

What display outputs does the EAX-R680BP support?

It supports triple display via two DisplayPort 1.4a (DP++ supported; native DP up to 7680 x 4320 @ 60Hz) and one HDMI 2.1b (up to 4K x 2K @ 60Hz with HDR), using the processor's integrated graphics.

What networking does the EAX-R680BP include?

The board provides quad 2.5GbE through two Intel i226-LM and two Intel i226V controllers across four RJ-45 ports — well suited to edge servers, network appliances, and multi-segment industrial networks.

Does the EAX-R680BP include hardware security?

Yes. It has an onboard NuvoTon NPCT760 supporting TPM 2.0 for hardware key storage and platform integrity in secure workstation and server deployments.

What audio capabilities does the EAX-R680BP have?

It uses a Realtek ALC888S codec with Mic-in, Line-out and 5.1-channel audio, plus an onboard 2 x 6W 8Ω amplifier for direct speaker drive in signage or kiosk builds.

What applications is the EAX-R680BP best suited for?

With desktop-class Core compute, ECC DDR5, PCIe Gen5 GPU expansion, dual NVMe, and quad 2.5GbE, the EAX-R680BP targets industrial workstations, edge AI servers, machine vision, network/security appliances, and high-performance automation controllers.

What are ATX motherboards and what are their typical applications?

ATX motherboards are full-sized boards (305mm x 244mm) designed for industrial, workstation, and server applications, offering maximum expandability, performance, and I/O for demanding environments.

What are the advantages of using ATX over other form factors?

ATX provides the most expansion slots, memory capacity, and I/O options, making it ideal for high-performance computing, automation, and control systems.

What is the typical power input for ATX boards?

ATX boards use standard ATX power supplies, supporting a wide range of industrial and commercial deployments.

What memory types and capacities are supported?

ATX boards support DDR4 or DDR5 DIMM memory, with capacities up to 128GB depending on the model and CPU.

What display resolutions and outputs are available?

Depending on the model, ATX boards support HDMI, DisplayPort, DP++, DVI-D, and VGA, with resolutions up to 8K and support for multiple independent displays.

What expansion options are available?

Expansion options include multiple PCIe slots (Gen3/Gen4/Gen5), M.2 slots for storage and wireless, and SATA ports for additional drives.

How do I install memory modules on an ATX board?

Insert DIMM memory modules into the designated slots and press down until they click into place. Refer to the board manual for supported capacities and configurations.

What precautions should I take during installation?

Always power off and unplug the system before installation. Use ESD protection and handle the board by its edges to avoid static damage.

How do I mount an ATX board in a chassis?

Align the board with the mounting holes in the chassis and secure it using the appropriate screws. Ensure all connectors and expansion slots are accessible.

The board does not power on. What should I check?

Verify the power supply connection, ensure the correct voltage is supplied, and check for any visible damage or loose components. Refer to the board's LED indicators for diagnostic codes if available.

No display output is detected. What should I do?

Check that the display cables are securely connected, the correct input source is selected, and the memory and CPU are properly installed. Try a different display port if available.

How can I reset the BIOS/UEFI settings?

Locate the CMOS battery or reset jumper on the board. Remove the battery or use the jumper as per the manual to reset BIOS/UEFI to default settings.

Avalue · Industrial & Embedded Motherboard

EAX-R680BP

Data Sheet

*Price on request. Contact us for a quote.

Manufacturer: Avalue

Highlights

LGA1700 socket: 12/13/14th & Series 2 Gen Intel Core i9/i7/i5/i3 (max 125W TDP)
Intel R680E Platform Controller Hub
4 x DDR5 4400MHz U-DIMM, up to 192GB (ECC by CPU)
Dual PCIe x16 (1x x16 Gen5 or 2x x8 Gen5) + PCIe Gen4/Gen3 slots
2 x M.2 NVMe Key-M Gen4x4 + 4 x SATA III
Triple Display: 2 x DP 1.4a (up to 8K@60Hz) + HDMI 2.1b (4K@60Hz HDR)
Quad Intel I226 2.5GbE LAN
Onboard TPM 2.0; 5.1-CH audio + 2x6W amplifier
Full-size ATX, Windows 11 and Linux

Product Description

The Avalue EAX-R680BP is a full-size ATX industrial motherboard built on the Intel R680E chipset for 12th/13th/14th and Series 2 Gen Intel Core i9/i7/i5/i3 processors (up to 125W TDP) on the LGA1700 socket.

Four DDR5 4400MHz U-DIMM slots support up to 192GB with ECC (CPU-dependent), and onboard TPM 2.0 plus broad PCIe Gen5/Gen4 expansion make it a high-performance workstation and edge-server foundation.

Expansion is extensive: dual PCIe x16 (one x16 Gen5 default or two x8 Gen5), dual PCIe x4 Gen4, additional PCIe Gen3 slots, and two M.2 NVMe Gen4x4 slots plus four SATA III ports.

The EAX-R680BP drives triple display through dual DisplayPort 1.4a (up to 7680x4320 @ 60Hz) and HDMI 2.1b (4K @ 60Hz HDR), with quad Intel I226 2.5GbE networking and a 5.1-channel audio subsystem with a 2x6W amplifier, running Windows 11 and Linux.

Technical Specifications

Processor

LGA 1700 Socket Supports 12/13/14th & Series 2 Gen Intel® Core™ processors i9/i7/i5/i3 (Max. TDP at 125W)

Platform Controller Hub

Intel® R680E Chipset

System Memory

4 x 288-Pin DDR5 4400MHz U-DIMM Socket Supports Up to 192GB (ECC Memory Support by CPU)

I/O Chipset

Nuvoton NCT6126D

Watchdog Timer

H/W Reset, 5~255 Seconds/5~255 Minutes

BIOS

AMI uEFI BIOS, 256Mbit SPI Flash ROM

H/W Status Monitor

CPU Temperature Monitoring

Voltage Monitoring

CPU Fan Speed Control

TPM

Onboard NuvoTon NPCT760 Supports TPM 2.0

Board

ATX

Expansion

2 x PCIe x16 slots for 1 x PCIe x16 Gen5 default or 2 x PCIe x8 Gen5 (BIOS selection)

2 x PCIe x4 Gen4

1 x PCIe x4 Gen3

1 x PCIe x4 slot for 1 x PCIe x2 Gen3

2 x M.2 NVMe Key M 2242/2280/22110 (PCIe Gen4x4, for Storage only, no SATA)

Storage

2 x M.2 Key M NVMe (Gen4x4) 2242/2280/22110

4 x SATAIII

Graphic Chipset

Intel® Graphic Chipset 12/13/14th & Series 2 Gen Intel® Core™ processors CPU Integrated

Spec. & Resolution

2 x DP 1.4a (DP++ supported): native DP display, combined, up to 7680 × 4320 @ 60Hz

(DP++ via passive dongle: up to 1920 × 1080 @ 60Hz)

1 x HDMI 2.1b: up to 4K × 2K @ 60Hz (HDR)

Multiple Display

Triple Display

Audio Codec

Realtek ALC888S HD Audio Decoding Controller

Audio Interface

Mic-in, Line-out, 5.1-CH Audio

Audio Amplifier

2 x 6W 8Ω Amplifier

LAN Chipset

2 x Intel® i226-LM 2.5G Gigabit Controller

2 x Intel® i226V 2.5G Gigabit Controller

LAN Port

4 x RJ-45

Power Mode

AT/ATX (Default Setting: ATX)

OS

Windows 11, Linux

Certification Information

CE, FCC, RoHS Compliant

USB

8 x USB 3.2 Gen2

1 x USB 3.2 Gen1 Vertical Type A

5 x USB 2.0

COM Port

1 x RS232 on rear I/O, 2 x RS232/422/485 by pin-header, 3 x RS232 by pin header

SATA

4 x SATA III

RAID

Support RAID 0, 1, 5, 10

DIO

1 x 16-bit GPIO

Operating Temp.

0~55°C (32~131°F), 0.5m/s Air Flow

Storage Temp.

-40~ +75°C (-40~167°F)

Operating Humidity

40°C @ 95% Relative Humidity, Non-condensing

Weight

1.54lbs (0.7kg)

Power Requirement

+12V/+5V/5VSB/+3.3V/-12V

Power Mode

AT/ATX (Default Setting: ATX)

Dimension (L x W)

12" x 9.6" (304.8mm x 243.84mm)

Ordering Information

EAX-R680BP-A1R: Intel R680E, 1 x PCIex16, 4 x 2.5G LAN

What is EAX-R680BP?

The EAX-R680BP is a industrial & embedded motherboard manufactured by Avalue, designed specifically for atx applications. It features processor of LGA 1700 Socket Supports 12/13/14th & Series 2 Gen Intel® Core™ processors i9/i7/i5/i3 (Max. TDP at 125W), display of Triple Display and memory of 4 x 288-Pin DDR5 4400MHz U-DIMM Socket Supports Up to 192GB (ECC Memory Support by CPU). The Avalue EAX-R680BP is a full-size ATX industrial motherboard built on the Intel R680E chipset for 12th/13th/14th and Series 2 Gen Intel Core i9/i7/i5/i3 processors (up to 125W TDP) on the LGA1700 socket. Four DDR5 4400MHz U-DIMM slots support up to 192GB with ECC (CPU-dependent), and onboard TPM 2.0 plus broad PCIe Gen5/Gen4 expansion make it a high-performance workstation and edge-server foundation. Expansion is extensive: dual PCIe x16 (one x16 Gen5 default or two x8 Gen5), dual PCIe x4 Gen4, additional PCIe Gen3 slots, and two M.2 NVMe Gen4x4 slots plus four SATA III ports. The EAX-R680BP drives triple display through dual DisplayPort 1.4a (up to 7680x4320 @ 60Hz) and HDMI 2.1b (4K @ 60Hz HDR), with quad Intel I226 2.5GbE networking and a 5.1-channel audio subsystem with a 2x6W amplifier, running Windows 11 and Linux.

Key Features & Benefits

LGA1700 socket: 12/13/14th & Series 2 Gen Intel Core i9/i7/i5/i3 (max 125W TDP)
Intel R680E Platform Controller Hub
4 x DDR5 4400MHz U-DIMM, up to 192GB (ECC by CPU)
Dual PCIe x16 (1x x16 Gen5 or 2x x8 Gen5) + PCIe Gen4/Gen3 slots
2 x M.2 NVMe Key-M Gen4x4 + 4 x SATA III
Triple Display: 2 x DP 1.4a (up to 8K@60Hz) + HDMI 2.1b (4K@60Hz HDR)
Quad Intel I226 2.5GbE LAN
Onboard TPM 2.0; 5.1-CH audio + 2x6W amplifier
Full-size ATX, Windows 11 and Linux

Applications & Use Cases

The EAX-R680BP is ideal for various industrial automation applications:

High-performance computing and data processing tasks
Networked industrial systems and data communication
Memory-intensive applications and multitasking
Visual monitoring and data display systems
Custom industrial computing solutions
Industrial automation platforms
Embedded system development
Control system integration

Highlights

Product Description

Technical Specifications

System Information

Processor

Platform Controller Hub

System Memory

I/O Chipset

Watchdog Timer

BIOS

H/W Status Monitor

TPM

Board

Expansion

Expansion

Storage

Storage

Display

Graphic Chipset

Spec. & Resolution

Multiple Display

Audio

Audio Codec

Audio Interface

Audio Amplifier

Ethernet

LAN Chipset

LAN Port

Power Requirement

Power Mode

Software Support

OS

Certification

Certification Information

I/O

USB

COM Port

SATA

RAID

DIO

Mechanical & Environmental

Operating Temp.

Storage Temp.

Operating Humidity

Weight

Power Requirement

Power Mode

Dimension (L x W)

Ordering Information

Ordering Information

What is EAX-R680BP?

Key Features & Benefits

Applications & Use Cases

Frequently Asked Questions