AXIOMTEK CEM521 Bedienungsanleitung

4 9418D521000E

Versio A1 July 2020

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Note: When installing CEM521 on CEB94011, please add stand-off and secure

with nut. Then, use the screws to secure the heatsink plate to the

CEM521.

Quick Start

The basic procedures required to power on CEM521:

(1). Make sure the power is OFF before connecting the CEM521.

(2). Check to ensure the onboard switch W1-1 and W1-2 are set to

default (OFF position).

(3). Firmly install DDR4 O-DIMM in DIMM1 (on top side of the

board)/ DIMM1 (on bottom side of the board) until fully seated. For

single memory channel configuration, install memory module in

channel 0 (DIMM1) DDR4 O-DIMM socket. For dual memory

channel configuration, install memory modules of the same size, chip

width, density and rank in both channel 0 (DIMM1) and channel 1

( DIMM1) DDR4 O-DIMM sockets.

(4). Attach heatsink to the CEM521, refer to section Installing Thermal

olution.

(5). Install the CEM521 onto the suggested COM Express

baseboard,

CEB94011

(6). Properly install all necessary peripheral devices such as hard disk,

display, keyboard and etc. to the baseboard.

(7). Firmly attach power supply to the baseboard power connector.

(8). Turn on the system power.

(9). Press power button on the baseboard to start CEM521.

CEM521 Quick Installation Guide

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Checklist

CEM521 Board x1 Quick Installation Guide x1

Note: Please contact your local vendors if any damaged or missing items. DO

NOT apply power to the board if there is any damaged component.

Module Layout

Top View

CEM521 COM Express

Type 6 Compact Module

For user manual, drivers, certificates and technical

support, please visit our product website or scan

QR code.

http://www.axiomtek.com.tw/Default.aspx?MenuId=P

roducts&FunctionId=ProductView&ItemId=25354&C

=CEM521&upcat=332

All manuals and user guides at all-guides.com

2 9418D521000E

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Bottom View

Switch Settings

Before applying power to the CEM521, please make sure onboard switches

are in factory default positions.

Switch Description Setting

SW1

Auto Power On

Default: Disable SW1-1 OFF

Restore BIOS Optimal Defaults

Default: Normal Operation SW1-2 OFF

Connector

Connector Description

CN1 Fan Connector

BAT CMOS Battery Connector

SS1 COM Express

Connector

SS2 COM Express

Connector

DIMM1 Channel 0 DDR4 SO-DIMM Socket

SDIMM1 Channel 1 DDR4 SO-DIMM Socket

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Installing Thermal Solution

For thermal dissipation, a thermal solution enables the CEM521’s

components to dissipate heat efficiently. All heat generating components

are thermally conducted to the heatsink in order to avoid hot spots. Below

images illustrate how to install the thermal solution.

1. There is a protective plastic covering on the thermal pads. This must be

removed before the heatsink can be mounted.

2. Each heatsink is designed for a specific CEM module. The thermal

pads on the heatsink are designed to make contact with the necessary

components on the CEM module. When mounting the heatsink you

must make sure that the thermal pads on the heatsink make complete

contact (no space between thermal pad and component) with the

corresponding components on the CEM module. This is especially

critical for CEM modules that have higher CPU speeds (for example

1.0GHz or more) to ensure that the heatsink acts as a proper thermal

interface for cooling solutions.

3. This CPU module has six assembly holes for installing heatsink plate.

Use the six screws to secure the heatsink plate to the CEM521. Be

careful not to over-tighten the screws.

All manuals and user guides at all-guides.com

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