DFI ADP253: 12th Gen Intel® Core™ 4" SBC

Overview

The DFI ADP253 is a compact 4-inch Single Board Computer (SBC) powered by 12th Gen Intel® Core™ Processors (Alder Lake-P). It offers a robust set of features suitable for various embedded and industrial applications.

ADP253 Bottom View

Diagram showing the bottom layout of the ADP253 board, highlighting DC-in, LAN ports, HDMI, USB 3.2 Type-A and Type-C, COM 3 (RS232/DIO), DDR4 SO-DIMM slot, and other connectors.

ADP253 Top View

Diagram showing the top layout of the ADP253 board, indicating Front Audio, M.2 2280 M Key, SATA, SATA Power, DDR4 SO-DIMM, COM 5/6 (RS232), COM 2 (RS232/422/485), COM 1/COM 4 (RS232), Reset/Power Button, USB 2.0, M.2 2230 E Key, SIM slot, M.2 3042/3052 B Key, Buzzer, Front Panel SPI, and VGA/DP (Optional) connectors.

Key Features

DDR4 Memory: Supports on-board memory and one DDR4 SO-DIMM slot for up to 32GB.
4K High Resolution: Capable of supporting 4K/2K resolutions.
Multiple Displays: Supports up to three displays simultaneously, including 1 HDMI, 1 VGA/DP (Optional), and 2 Type-C ports with DP Alt. Mode.
Multiple Expansion: Features 1 M.2 M Key 2280, 1 M.2 B Key 3042/3052, and 1 M.2 E Key 2230 for flexible expansion.
Rich I/O: Offers 1 Intel 2.5GbE LAN, 2 Intel GbE LANs, 6 COM ports (RS232/422/485), 4 USB 3.2 ports, 2 USB 2.0 ports, and 1 SATA 3.0 interface.

Block Diagram

System Block Diagram

A block diagram illustrating the internal architecture of the ADP253, showing connections between the Intel ULT SOC (Alder Lake-P), memory, display interfaces (HDMI, DDI, DP), storage (SATA, M.2), networking (GbE LAN), audio, USB controllers, and other peripherals.

Mechanical Drawing

Mechanical Dimensions

A diagram showing the physical dimensions of the ADP253 board with key measurements indicated in millimeters. The overall form factor is a 4-inch SBC.

Specifications

Category	Specification
SYSTEM	Processor: 12th Gen Intel® Core™ Processors, BGA 1744 (Alder Lake-P, 15W) including Intel® Core™ i7-1265UE, i5-1245UE, i3-1215UE, and Celeron® 7305E.
Memory	8GB On-board memory & one SO-DIMM DDR4 up to 32GB, Dual Channel DDR4 3200MHz.
BIOS	AMI SPI 256Mbit (Supports UEFI boot only).
GRAPHICS	Controller: Intel® Iris® Xe Graphics / Intel® UHD Graphics. Feature: DirectX 12, Open GL 4.6, Vulkan 1.2. Supports HW Decode/Encode for various codecs including HEVC/H.265, VP9, AVC/H.264.
EXPANSION	Interface: 1 x M.2 M Key 2280 (PCIex4/SATA), 1 x M.2 B Key 3042/3052 (USB3.0/USB2.0/PClex1) with SIM slot, 1 x M.2 E Key 2230 (CNVi/PClex1/USB2.0).
AUDIO	Audio Codec: Realtek ALC888S. Front I/O: 1 x Audio Combo Phone Jack (Line-out/Mic-in).
ETHERNET	Controller: 1 x Intel® 1226-LM/IT (2.5GbE) + 2 x Intel® 1226-LM/IT (GbE). Supports iAMT on Core i7/i5.
REAR I/O	Serial: COM 3: 1 x RS232 (optional 8-bit DIO). USB: 4 x USB 3.2. Display: 1 x HDMI, 1 x VGA/DP (Optional). Ethernet: 1 x 2.5GbE (RJ-45) + 2 x GbE (RJ-45).
FRONT I/O	Serial: COM 1/COM 2: 2 x RS-232/422/485. Display: 1 x HDMI, 2 x Type-C DP Alt. Mode. Button: 1 x Power Button, 1 x Reset Button.
INTERNAL I/O	Serial: COM 5/ COM 6: 2 x RS-232. USB: 2 x USB 2.0. Audio: 1 x Front Audio (Line-out/Mic-in). SATA: 1 x SATA 3.0 (up to 6Gb/s), 1 x SATA Power (5V/12V). Front Panel: 1 x Front Panel connector. Others: 1 x System Fan Connector (Optional).
WATCHDOG TIMER	Output & Interval: System Reset, Programmable via Software from 1 to 255 Seconds.
SECURITY	TPM: Discrete TPM 2.0.
POWER	Type: 9~36 VDC input. Connector: One power jack with lock (Default), Co-lay 2x2 pin power connector (straight and right angle). Consumption: Typical: i7-1265UE, 12V @ 1A (12Watt); Max: i7-1265UE, 12V @ 2.6A (31.2Watt).
OS SUPPORT	RTC Battery: CR2032 Coin Cell. Microsoft: Windows 10 IoT Enterprise 64-bit, Windows 11. Linux: Linux.
ENVIRONMENT	Temperature: Operating: -5 to 65°C / Storage: -40 to 80°C. Humidity: Operating: 5 to 90% RH / Storage: 5 to 90% RH. MTBF: Calculation model: Telcordia Issue 4. (e.g., 491,541 hrs @ 25°C for i7-1265UE).
MECHANISM	Dimensions: 4" SBC Form Factor, 165mm (6.49") x 115mm (4.53"). Height: PCB: 1.6mm, Top Side: 16.34mm, Bottom Side: 3mm.

Ordering Information

Model Name	P/N	Processor	Memory	Display	2.5 GbE	1 GbE	RS232	RS422/485	USB 3.2	USB 2.0	Power
ADP253-BCI-801765UE-000G	770-ADP2531-17-1265UE	8GB	HDMI + VGA + 2 x Type C DP Alt. Mode	1	2	6	2	4	2	9~36 VDC Fanless	-5~65°C
ADP253-BCI-801545UE-100G	770-ADP2531-15-1245UE	8GB	HDMI + VGA + 2 x Type C DP Alt. Mode	1	2	6	2	4	2	9~36 VDC Fanless	-5~65°C
ADP253-BCI-801315UE-200G	770-ADP2531-13-1215UE	8GB	HDMI + VGA + 2 x Type C DP Alt. Mode	1	2	6	2	4	2	9~36 VDC Fanless	-5~65°C
ADP253-BCI-80CR05E-300G	770-ADP2531-Celeron-7305E	8GB	HDMI + VGA + 2 x Type C DP Alt. Mode	1	2	6	2	4	2	9~36 VDC Fanless	-5~65°C
ADP253-ECI-801765UE-400G	770-ADP2531-17-1265UE	8GB	HDMI + VGA + 2 x Type C DP Alt. Mode	1	2	6	2	4	2	9~36 VDC Fanless	-30~80°C
ADP253-ECI-801545UE-500G	770-ADP2531-15-1245UE	8GB	HDMI + VGA + 2 x Type C DP Alt. Mode	1	2	6	2	4	2	9~36 VDC Fanless	-30~80°C
ADP253-ECI-801315UE-600G	770-ADP2531-13-1215UE	8GB	HDMI + VGA + 2 x Type C DP Alt. Mode	1	2	6	2	4	2	9~36 VDC Fanless	-30~80°C
ADP253-ECI-80CR05E-700G	770-ADP2531-Celeron-7305E	8GB	HDMI + VGA + 2 x Type C DP Alt. Mode	1	2	6	2	4	2	9~36 VDC Fanless	-30~80°C

Packing List

1 x ADP253 board
1 x Heat sink (Height: 37mm)
1 x Serial ATA data with power cable

Optional Items

Power adapter (120W, 19V)
Power adapter (60W, 12V)
USB 2.0 cable (Length: 200mm, 2 USB ports)
COM cable (Length: 250mm, 1 COM port)
Front panel cable (Length: 250mm)
Audio cable (Length: 160mm)
Heat spreader (Height: 11mm)

	DFI RPP968 COM Express Compact: 13th Gen Intel Processor DFI's RPP968 COM Express Compact board features 13th Gen Intel Processors, supporting up to 64GB DDR5 memory, 4K resolution, multiple displays, and extensive expansion options including PCIe and SATA.
	DFI EC531-KH/EC532-KH: 7th Gen Intel Core Embedded System Datasheet Comprehensive datasheet for DFI's EC531-KH and EC532-KH fanless embedded systems, featuring 7th Gen Intel Core processors, extensive I/O, and rugged design for industrial applications. Includes detailed specifications, ordering information, and mounting guides.
	DFI ADP253 Embedded 4" SBC User's Manual Comprehensive user manual for the DFI ADP253 Embedded 4" SBC, detailing hardware installation, BIOS settings, specifications, and safety precautions.
	DFI RPS183 Mini-ITX Industrial Motherboard User's Manual Comprehensive user's manual for the DFI RPS183 Mini-ITX Industrial Motherboard, detailing specifications, hardware installation, and BIOS settings for Intel LGA 1700 processors.
	DFI WM130-RPS Wallmount Desktop Box IPC - 14th/13th/12th Gen Intel Core Processors DFI WM130-RPS is a compact wallmount desktop box IPC supporting 14th, 13th, and 12th Gen Intel Core processors. Features include rich I/O, PCIe slot expansion, WiFi 6, and multiple storage options.
	DFI DT200-CS AI-Enabled Embedded System: Features and Specifications Explore the DFI DT200-CS, an AI-enabled embedded system featuring 8th/9th Gen Intel Core processors, multiple display outputs, low-profile design, AI acceleration, 5G communication support, and extensive I/O options. This document details its specifications, dimensions, and ordering information.
	DFI MTH556: Intel® Core™ Ultra Processor 3.5-inch SBC Datasheet Technical specifications and features of the DFI MTH556, a 3.5-inch Single Board Computer (SBC) powered by Intel® Core™ Ultra Processors, offering high-resolution graphics, extensive I/O, and multiple expansion options for industrial applications.
	DFI CMS310-W480E/Q470E microATX Industrial Motherboard User's Manual User's Manual for the DFI CMS310-W480E/Q470E microATX industrial motherboard. Provides detailed specifications, hardware installation guides, BIOS setup, and RAID configuration for 10th Gen Intel processors.