Name: COM331-B
Brand: DFI

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COM331-B

Overview

Home System-On-Modules Carrier Board COM331-B

COM Express® R2.0, Pin-out Type 6

Supports Compact/Basic modules

Multiple displays: 1 LVDS, 1 VGA, 2 DP

Rich I/O: 1 GbE, 4 USB 3.0, 4 USB 2.0, 4 COM

microATX form factor

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COM331-B Related Tags

#Mini PCIe#1G Ethernet#PCIe x16#VGA#DP#Multiple Expansion#RoHS Certification#CE Certification#FCC Certification

COM Express Basic/Compact Modules, COM331-B

Graphics

Display

1 x VGA
1 x LVDS
3 x DP

Expansion

Interface

1 x PCIe x16 (Gen 3)
1 x PCIe x4 (Gen 2)
2 PCIe x 1
1 x Full-size Mini PCIe

Audio

Audio Codec

Realtek ALC886

Rear I/O

Ethernet

1 x GbE (RJ-45)

Serial

1 x RS232 serial ports
1 x RS232 Serial Interface Connector
2 x Serial Interface Connector (TX/RX)

USB

4 x USB 3.0
4 x USB 2.0

Display

1 x VGA
2 x DP

Audio

1 x Line-in
1 x Line-out
1 x Mic-in

Internal I/O

Serial

1 x RS232 Serial Interface Connector
2 x Serial Interface Connector (TX/RX)

Display

1 x VGA (2.54mm)
1 x LVDS LCD Panel Connector
1 x DP

Audio

1 x Audio (Line-out/Mic-in)
1 x S/PDIF

SATA

2 x SATA 3.0 (up to 6Gb/s)
2 x SATA 2.0 (up to 3Gb/s)

DIO

1 x 8-bit DIO
1 x SDIO slot

LPC

1 x LPC

SMBus

1 x SMBus

I2C

1 x I2C

Power

Type

12V, 5VSB, VCC_RTC (ATX mode) 12V, VCC_RTC (AT mode)

Connector

4-pin ATX 12V power 24-pin ATX power

Environment

Temperature

Operating: 0 to 60°C
Storage: -20 to 85°C

Humidity

Operating: 5 to 90% RH
Storage: 5 to 90% RH

MTBF

605684 hrs @ 25°C; 352242 hrs @ 45°C; 222850 hrs @ 60°C
Calculation model: Telcordia Issue 4
Environment: GB, GC – Ground Benign, Controlled

Mechanism

Dimensions

microATX Form Factor 244mm (9.6") x 244mm (9.6")

Compliance

PICMG COM Express® R2.0, Type 6 Basic, Compact Modules

Standards and Certifications

Certifications

CE, FCC Class B, RoHS

Packing List

1 COM331-B board
2 Serial ATA data cables
1 COM port cable (with bracket)

Country of Origin

Taiwan

Product Collaterals

COM331-B Datasheet (PDF) 756.12KB 2019/12/18

Technical Documents

COM331-B QR (PDF) 74.81KB 2017/12/04

COM331-B Manual (PDF) 3.31MB 2020/02/20

Certifications

COM331-B CE Certification (PDF) 170.06KB 2018/03/21

COM331-B FCC Certification (PDF) 121.3KB 2018/03/21

COM331-B RoHS Certification (PDF) 120.38KB 2018/03/21

COM331 RoHS Certification (PDF) 409.16KB 2021/01/21

COM331 RoHS Certification (PDF) 664.33KB 2023/01/16

Optional Items

Item Name Part Number Description
Item Name :
Serial ATA data cable Part Number :
332-553001-005G Description :
Item Name :
COM port cable Part Number :
332-700730-404G Description :
Item Name :
I/O shield Part Number :
A49-COM331-010G Description :

Related Products

Working with DFI

DFI’s Customization Services (DCS) comes with full support and industry expertise from a dedicated team to provide you exclusive services in design, production, warranty, repairs, and life cycle management. In order to make the project as easy as possible for you, DFI will closely work with you to learn your design requirements and offer real-time technical support as you develop the solution to reduce your development cost and effort.

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COM331-B｜System-On-Modules｜DFI

COM331-B Overview

COM Express® R2.0, Pin-out Type 6

Supports Compact/Basic modules

Multiple displays: 1 LVDS, 1 VGA, 2 DP

Rich I/O: 1 GbE, 4 USB 3.0, 4 USB 2.0, 4 COM

microATX form factor

COM331-B Feature

1G Ethernet

PCIe x16

VGA

DP

Multiple Expansion