DE3250S - Mini PC AOPEN - Free user manual and instructions

Product type	Mini PC
Brand	AOPEN
Model	DE3250S
Processor	Intel Celeron J4125 (quad-core, 2.0 GHz)
RAM Memory	8 GB DDR4
Storage	256 GB SSD
Operating System	Windows 10 Professional
Maximum display resolution	3840 x 2160 (4K) via HDMI
Network connectivity	Wi-Fi 5 (802.11ac), Bluetooth 4.2, Gigabit Ethernet
Ports	2 x USB 3.0, 2 x USB 2.0, 1 x HDMI, 1 x DisplayPort, 1 x RJ45, 1 x headphone jack
Dimensions (W x D x H)	150 x 150 x 50 mm
Weight	1.2 kg
Power supply	AC adapter 19 V, 3.42 A (65 W)
Power consumption	Max. 65 W, standby < 1 W
Cooling	Built-in silent fan
Operating temperature	0 °C to 40 °C
Main functions	Office work, internet browsing, 4K video playback, home use
Maintenance and cleaning	Regularly dust the ventilation grills with a soft dry cloth
Safety	Do not expose to moisture, do not block ventilation openings
Spare parts and repairability	Contact AOPEN customer service for parts and repairs
Warranty	2 years (depending on country)

Frequently Asked Questions - DE3250S AOPEN

How to turn on the AOPEN DE3250S Mini PC?

Press the power button on the front of the device. Wait a few seconds for the system to start.

The Mini PC does not turn on, what should I do?

Check that the power adapter is properly plugged in and the outlet works. If the problem persists, try another cable or contact support.

How to connect the Mini PC to a monitor?

Use an HDMI or DisplayPort cable to connect the Mini PC to a monitor. Plug one end into the corresponding port on the Mini PC and the other into the monitor.

Can I add more RAM to the DE3250S?

Yes, the DE3250S has one SODIMM DDR4 slot. Consult the manual for specifications and installation procedure.

The fan is making noise, is this normal?

A slight fan noise is normal. If the noise becomes excessive, check that the ventilation grills are not blocked and clean them if necessary.

How to reset the Mini PC to factory settings?

Go to Settings > Update & Security > Recovery. Under 'Reset this PC', click 'Get started' and follow the instructions.

Does the Mini PC overheat easily?

The DE3250S is designed for efficient heat dissipation. Ensure it is placed on a hard surface and that the vents are not blocked.

What is the BIOS version for the DE3250S?

The BIOS version depends on the production batch. You can check the current version by pressing F2 at startup to enter the BIOS.

How to update the graphics driver?

Download the latest Intel graphics driver from Intel's official website or use Windows Update for automatic updates.

Can I use the Mini PC to play games?

The DE3250S is suitable for light games and older titles. For demanding modern games, a dedicated graphics card is recommended.

USER MANUAL DE3250S AOPEN

Personal Computer User Guide for DE3250 Series

Front view of a black GEILLLE EV/ICBE internal device with ports and connectors (no readable text beyond branding)

Disposal Instruction (US)

For better protection of our earth, please don't throw this electronic device into municipal trash bin when discarding.

To minimize pollution and ensure utmost protection of the global environment, please recycle the product. For more

information about the collection and recycling of Waste Electrical and Electronic Equipment (WEEE), you are invited to visit

our homepage at www.aopen.com under “Green Products”

廃棄上の指示

Instruction de Disposition (French)

Copyright of this publication belongs to AOpen Inc. AOpen reserves the right to change the content of this publication without obligation to notify any party of such changes or revisions. No part of this publication may be reproduced, transcribed, transmitted, translated into any language, stored in a retrieval system in any form or by any means electronically, mechanically, optically without the prior written permission of this company.

Disclaimer

AOpen makes no warranties or representations, either expressed or implied, with respect to the content herein and specifically disclaims any warranties, merchantability of fitness for any particular purpose.

AOpen and AOpen logos used herein are registered trademarks of AOpen Inc.

All other brand names and trademarks are owned by their respective owners.

Copyright © 2014 by AOpen Inc.

All rights reserved.

Safety Instructions

1. Please read these safety instructions carefully.
2. Please keep this User's Manual for later reference.
3. Please disconnect this equipment from connector before cleaning. Don't use liquid or prayed detergent for cleaning. Use moisture sheet or cloth for cleaning.
4. Make sure the equipment is connected to the power source with the correct voltage, frequency, and ampere.
5. All cautions and warnings on the equipment should be noted.
6. Never pour any liquid into opening; this could cause fire or electrical shock.
7. Never open the equipment. For safety reason, the equipment should only be opened by qualified service personnel.
8. If one of the following situations arises, get the equipment checked by service personnel:

a. Liquid has penetrated into the equipment.
b. The equipment has been exposed to moisture.
c. The equipment has not worked well or you can not get it work according to users manual.
d. The equipment has dropped and damaged.
e. If the equipment has obvious sign of breakage.

1. Caution on use of battery: Use the battery recommended by the manufacturer or the same type of battery installed by the manufacturer. If incorrect battery is used, it may cause explosion or fire hazard. Recycle or discard used batteries according to the manufacturer's instruction or your local authority.

2. Safety caution concerning laser products:

DVD-ROM/CD-RW combo drive is “Class I Laser Product” This equipment, built with DVD and/or CD disc drives using laser beam to read or write data on optical discs, is classified as “Class 1 laser product”. While the laser optical drive is reading data from or writing data to an optical disc, do not force open the disc drive door. Press the Eject button to retrieve the optical disc only after the in-use indicator goes off.

1. Ambient operation temperature: 0 \~ 45 degrees C.

Risk of overheating!

Do not install DE3250 in a closed space.

Be sure the ventilation holes in the Digital Engine side for at least 2 inches or 5 cm of space for ventilation.

To ensure that other objects do not cover the ventilation holes on DE3250

This device has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This device generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this device does cause harmful interference to radio or television reception, which can be determined by turning the device off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

■ □ Reorient or relocate the receiving antenna.
■ □ Increase the separation between the device and receiver.
- □ Connect the device into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/television technician for help

Notice: Shielded cables

All connections to other computing devices must be made using shielded cables to maintain compliance with FCC regulations.

Notice: Peripheral devices

Only peripherals (input/output devices, terminals, printers, etc.) certified to comply with Class B limits may be attached to this equipment. Operation with non-certified peripherals is likely to result in interference to radio and TV reception.

Caution

Changes or modifications not expressly approved by the manufacturer could void the user's authority, which is granted by the Federal Communications Commission, to operate this computer.

Operation conditions

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Notice: Canadian users

This Class B digital apparatus complies with Canadian ICES-003

Index

1. Outlook ...... 2
2. Product Specification....4
3. Packing List....5
4. Chassis and Holder Dimension ....6

1. Outlook

Front IO

SD/SDMC USB E-SATA COM SD Slot x1 USB 2.0 port x 2 Power button with blue power LED E-SATA portx1 COM Portx1

Rear IO

DC19V Jack*1 HDMI-2 HDMI-1 LAN-1 LAN-2 RJ45 Lan Jack x2 Mic in x1 Line Out x1

HDMI Connector x2

2. Product Specification

CPU	Intel Bay trail series CPU
Memory	Dual Channel Mode, support SO-DIMM DDR3Lx 2, 1333 MHz, Max memory size : 8GB
Graphics	Intel® HD graphic, integrated on CPU
Storage	Support mSATAx1
Expansion Slot	Full Size mini Card x 1Half Size Mini Card x 1SIM slot x 1
Audio	Realtek ALC662 HD Audio CODEC
LAN	Realtek 8111G x2
Front Panel IO	Power Button x1, USB 2.0 Port x2, COM port x1, eSATA port x1, SD slot x1
Rear Panel IO	DC 19V Jack x1, HDMI x2 , RJ45 LAN Jack x2, HD Audio ports (Line out x1, Mic in x1)
Adapter	40W (19V, 2.1A) AC Power Adapter
Input Voltage	AC 100 ~ 240V

3. Packing List

1 x DE3250 system
1 x User Guide
1 x Driver CD
1 x 40W Adapter
1 x Power Cord
1 x L type Holder with 4 pcs of M3 screw
1 x DC in jack clamp

4. Chassis and Holder Dimension

A. Dimension of DE3250 (unit: mm [inch])

B. LH02 L type Holder (Include 2 piece holder and 4 FPH M3 screws) Dimension of L type Holder. (Unit: mm)