ATX Power

PCIe x16

System Fan

PCIe x1

SATA 3.0

Line-in

Line-out

Mic-in

DP 2

LAN

USB 2.0

USB 3.1

LVDS LCD

Panel

COM Express

Connectors

PCIe x1

DIO

LPC

SDIO

LVDS/Inverter

Power

+12V

Power

Basic

Compact

Block Diagram

Mechanical Drawing

COM332-B (R.B1)

Features

Specifications

Packing List

Optional Items

Ordering Information

representative for the exact revision offered in your area. All product names mentioned are trademarks of their respective companies. © Aug 06, 2020 DFI Inc.

Connector

Row A/B

TYPE 6

SATA 3.0 4x

GPIO

Connector

Row C/D

TYPE 6

Serial Port 2x

LPC

SMBus

PCIe x1 4x

DIO

SDIO

GLAN

MDI

USB 3.1

4x

USB 2.0

USB 3.1

USB 2.0

4x

USB 2.0

DP 3x

DDI

VGA

HD Audio

PCIe x16 1x

Switch IC

LVDS/eDP

eDP

LVDS

eDP

LVDS

LVDS

SPI

M.2

Mkey 2280

PCIe

PCIe

COM332-B (R.B1)

• Supports Compact and Basic modules

• Multiple displays: VGA, LVDS, DP, eDP

• Rich I/O: 1 GbE, 4 USB 3.1, 4 USB 2.0

• microATX form factor

Model Name

P/N

GbE

USB 3.1

USB 2.0

Power

Thermal

Temp.

COM332-B (R.B1) 770-CM3322-000G 1

4

4

ATX/AT

Active

• 1 COM332-B (R.B1) board

• 1 Serial ATA data cable (Length: 500mm)

332-553001-005G

• 1 VGA cable

A81-012000-000G

• Serial ATA data cable (Length: 500mm)

332-553001-005G

• LPC EXT-RS232 module (4 x RS232 ports)

770-EXTRS1-000G

• LPC EXT-RS485 module (4 x RS485 ports)

770-EXTRS1-100G

• I/O shield

A49-COM332-010G

R

2.1

Type

6

8 DIO

GRAPHICS

Display

1 x VGA

1 x LVDS/eDP (eDP available upon request)

3 x DP

1 x eDP/LVDS (LVDS available upon request)

EXPANSION

Interface

1 x PCIe x16

4 x PCIe x1

1 x M.2 M Key 2280

1 x SDIO

AUDIO

Audio Codec

Realtek ALC888S-VD2-GR

REAR I/O

Ethernet

1 x GbE (RJ-45)

USB

4 x USB 3.1 (Gen2)

4 x USB 2.0

Display

3 x DP

Audio

1 x Line-in

1 x Line-out

1 x Mic-in

INTERNAL I/O

Serial

2 x Serial Interface Connector (TX/RX)

Display

1 x VGA (2.54mm)

1 x LVDS LCD Panel Connector

1 x LCD/Inverter Power

1 x eDP LCD Panel Connector

Audio

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

1 x S/PDIF

SATA

4 x SATA 3.0 (up to 6Gb/s)

DIO

1 x 8-bit DIO

LPC

1 x LPC

SMBus

1 x SMBus

POWER

Type

12V, 5VSB, VCC_RTC (ATX mode)

12V, VCC_RTC (AT mode)

Connector

4-pin ATX 12V power

24-pin ATX power

RTC Battery

CR2032 Coin Cell

ENVIRONMENT

Temperature

Operating: 0 to 60°C

Storage: -40 to 85°C

Humidity

Operating: 5 to 90% RH

Storage: 5 to 90% RH

MTBF

488,117 hrs @ 25°C; 253,684 hrs @ 45°C; 136,621 hrs @ 60°C

Calculation Model: Telcordia Issue 2, Method Case 3

Environment: GB, GC – Ground Benign, Controlled

MECHANICAL

Dimensions

microATX Form Factor

244mm (9.6") x 244mm (9.6")

Compliance

Basic, Compact Modules

CERTIFICATIONS

CE, FCC, RoHS

SDIO

Debug LED

DP 1

DP 3

VGA

SMBus

M.2

eDP

USB 3.1