protech SP-C121 User manual

USER
MANUAL
SP-C121
12.1” Fanless Panel PC Powered
By Intel®Celeron® J3455 / N3350
Processor
SP-C121 M1

SP-C121
12.1” Fanless Panel PC PoweredBy
Intel®Celeron® J3455 / N3350
CPU Processor
COPYRIGHT NOTICE & TRADEMARK
All trademarks andregistered trademarks mentioned herein are the
property of their respective owners.
This manual is copyrighted in Apr. 2022. You may not reproduce or
transmit in any form or by any means, electronic, or mechanical,
including photocopying and recording.
DISCLAIMER
This user’smanual is meant to assist users in installing and setting up
the system. The information contained in this document is subject to
change without any notice.

CE NOTICE
This is a class A product. In a domestic environment this product may
cause radio interference in which case the user may be required to take
adequate measures.
FCC NOTICE
This equipment has been tested and found to comply with the limits for
a Class A digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is
likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
You are cautioned that any change or modifications to the equipment
not expressly approve by the party responsible for compliance could
void your authority to operate such equipment.
CAUTION: Danger of explosion may occur when the battery
is incorrectly replaced. Replace the battery
only with the
same or equivalent type
recommended by the manufacturer.
Dispose of used batteries according to the manufacturer’s
instructions.
WARNING: Some internal parts of the system may have high
electrical voltage. We strongly recommend that only qualified
engineers are allowed to service
and disassemble the
system. If any damages should occur on the system and are
caused by unauthorized servicing, it will not be covered by
the product warranty.

i
Contents
Revision History ............................................................................................. v
1Introduction ......................................................................................... 1-1
1.1 About This Manual ..................................................................... 1-2
2Getting Started .................................................................................... 2-1
2.1 Package List............................................................................... 2-2
2.2 System Overview ....................................................................... 2-3
2.2.1 Front View........................................................................... 2-3
2.2.2 Rear View ........................................................................... 2-3
2.2.3 Top View ............................................................................. 2-4
2.2.4 Bottom View........................................................................ 2-4
2.2.5 Side View ............................................................................ 2-4
2.2.6 Quarter View ....................................................................... 2-5
2.3 System Specifications ................................................................ 2-6
2.4 Safety Precautions ..................................................................... 2-8
3System Configuration......................................................................... 3-1
3.1 External I/O Ports Diagram ........................................................ 3-2
3.1.1 Bottom I/O Ports Diagram................................................... 3-2
3.2JUMPER & CONNECTOR QUICK REFERENCE TABLE......... 3-2
3.3 COMPONENT LOCATIONS ...................................................... 3-3
3.3.1 Top View and Jumper Settings of BE-0981 Main Board..... 3-3
3.3.2 Bottom View of BE-0981 Main Board ................................. 3-5
3.4 Setting Jumpers ......................................................................... 3-6
3.5 Setting Main Board Connectors and Jumpers ........................... 3-8

ii
3.5.1 COM PORT (COM1 and COM2) ........................................ 3-8
3.5.2 DISPLAY PORT (DP1)........................................................ 3-9
3.5.3 LAN PORT (LAN).............................................................. 3-10
3.5.4 Dual USB 3.0 PORT (USB1) ............................................ 3-11
3.5.5 USB 2.0 PORT (USB3)..................................................... 3-11
3.5.6 DC POWER INPUT CONNECTOR (PWR2) .................... 3-11
3.5.7 mSATA CONNECTOR (SLOT1) ....................................... 3-12
3.5.8 LVDS CONNECTOR (LVDS1) ..........................................3-13
3.5.9 SLIDE SWITCH FOR LVDS RESOLUTION SELECTION
(SW1)................................................................................ 3-14
3.5.10 FRONT PANEL CONNECTOR (JFP1) .............................3-17
3.5.11 HD AUDIO CONNECTOR (AUDIO1) ...............................3-18
3.5.12 PANEL INVERTER CONNECTOR (JINV1)......................3-18
3.5.13 SATA 3.0 CONNECTOR (SATA1)..................................... 3-19
3.5.14 SATA Power CONNECTOR (SATA_PWR1) ..................... 3-19
3.5.15 BIOS RESET CONNECTOR (JP9)...................................3-20
3.5.16 LVDS BACKLIGHT CONTROL SELECTION (JP7)..........3-20
3.5.17 LVDS VCC VOLTAGE SELECTION (JP_VDD1)..............3-21
3.5.18 LVDS PWM/Backlight Enable Sequence Setting (JP1).... 3-22
3.5.19 CLEAR CMOS DATA SELECTION (JP4) ......................... 3-23
4Software Utilities................................................................................. 4-1
4.1 Introduction................................................................................. 4-2
4.2 Installing Intel®Chipset Software Installation Utility................... 4-3
4.2.1 Introduction ......................................................................... 4-3
4.2.2 Intel®Chipset Software Installation Utility........................... 4-3
4.3 Intel®Trusted Execution Engine Installation Utility .................... 4-4
4.4 Installing Graphics Driver Utility ................................................. 4-4

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4.5 Installing LAN Driver Utility......................................................... 4-5
4.6 Installing Sound Driver Utility ..................................................... 4-6
5BIOS SETUP ........................................................................................ 5-1
5.1 Introduction................................................................................. 5-2
5.2 Accessing Setup Utility............................................................... 5-4
5.3 Main............................................................................................ 5-7
5.4 Advanced ................................................................................... 5-9
5.4.1 Advanced – ACPI Settings................................................5-10
5.4.2 Advanced – Onboard Device Configuration ..................... 5-11
5.4.3 Advanced – Hardware Monitor .........................................5-12
5.4.4 Advanced – F81846 Watchdog......................................... 5-13
5.4.5 Advanced – S5 RTC Wake Settings .................................5-14
5.4.5.1 Advanced – S5 RTC Wake Settings [Fixed Time] ... 5-15
5.4.5.2 Advanced – S5 RTC Wake Settings [Dynamic Time]
5-16
5.4.6 Advanced – CPU Configuration........................................ 5-17
5.4.7 Advanced – F81846 Super IO Configuration.................... 5-20
5.4.7.1 F81846 Super IO Configuration – Serial Port 1
Configuration ........................................................... 5-21
5.4.7.2 F81846 Super IO Configuration – Serial Port 2
Configuration ........................................................... 5-22
5.4.8 Advanced – USB Configuration ........................................5-23
5.5 Chipset ..................................................................................... 5-24
5.5.1 Chipset – North Bridge .....................................................5-25
5.5.2 Chipset – South Bridge ..................................................... 5-26
5.5.2.1 South Bridge – HD-Audio Configuration.................. 5-27
5.5.2.2 South Bridge – PCI Express Configuration ............. 5-28

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5.5.2.3 South Bridge – SATA Drives .................................... 5-30
5.5.2.4 South Bridge – Miscellaneous Configuration...........5-31
5.6 Security .................................................................................... 5-32
5.7 Boot .......................................................................................... 5-34
5.8 Save & Exit............................................................................... 5-35
Appendix A System Diagrams....................................................A-1
SP-C121 System Assembly Exploded Diagram (1) .................................A-2
SP-C121 System Assembly Exploded Diagram (2) .................................A-3
SP-C121 System Assembly Exploded Diagram (3) .................................A-4
SP-C121 System Assembly Exploded Diagram (4) .................................A-5
SP-C121 Box PC Assembly Exploded Diagram (1) .................................A-6
SP-C121 Box PC Assembly Exploded Diagram (2) .................................A-8
Appendix B Technical Summary ................................................B-1
Block Diagram ..........................................................................................B-2
Interrupt Map ............................................................................................B-3
I/O MAP ..................................................................................................B-14
Memory Map...........................................................................................B-15
Configuring WatchDog Timer .................................................................B-17
Flash BIOS Update.................................................................................B-19

v
Revision History
The revision history of SP-C121 User Manual is described below:
Version No.
Revision History
Page No.
Date
M1
Initial Release
- 2022/04/18

SP-C121 SERIES USER MANUAL
Page: 1-1
1Introduction
This chapter provides the introduction for the SP-C121
system as well as the framework of the user manual.
The following topic is included:
•About This Manual

Chapter 1 Introduction
SP-C121 SERIES USER MANUAL
Page: 1-2
1.1 About This Manual
Thank you for purchasing our SP-C121 system. The SP-C121 is an updated system
designed to be comparable with the highest performance of IBM AT personal
computers. The SP-C121 provides faster processing speed, greater expandability and
can handle more tasks than before. This manual is designed to assist you how to
install and set up the whole system. It contains 5 chapters and 2 appendixes. Users can
configure the system according to their own needs. This user manual is intended for
service personnel with strong hardware background. It is not intended for general
users.
The following section outlines the structure of this user manual.
Chapter 1 Introduction
This chapter introduces you to the background of this manual.
Chapter 2 Getting Started
This chapter describes the package contents and outlines the system specifications. It
also includes the physical illustrations for the SP-C121 system. Read the safety
reminders carefully on how to take care of your system properly.
Chapter 3 System Configuration
This chapter outlines the locations of the motherboard components and their
respective functions. You will learn how to set the jumpers and configure the system
to meet your own needs.
Chapter 4 Software Utilities
This chapter contains helpful information for proper installations of the Intel Chipset
Software Installation Utility, Intel Trusted Execution Engine Installation Utility,
Graphics Driver Utility, LAN Driver Utility and Sound Driver Utility.
Chapter 5 BIOS Setup
This chapter indicates you how to change the BIOS configurations.
Appendix A System Diagrams
This appendix provides the system exploded diagrams and part numbers of SP-C121.
Appendix B Technical Summary
This appendix provides the information about the system block diagram, allocation
maps for system resources, Watchdog Timer Configuration and Flash BIOS Update.