ASRock Industrial 4X4 BOX-7840U User manual

4X4 BOX-5000 Series
User Manual
Version 1.0
Published May 2022
4X4 BOX-7840U
4X4 BOX-7640U
User Manual

Version 1.0
Published October 2023
Copyright©2023 ASRock Industrial Inc. All rights reserved.
Copyright Notice:
No part of this documentation may be reproduced, transcribed, transmitted, or
translated in any language, in any form or by any means, except duplication of
documentation by the purchaser for backup purpose, without written consent of
ASRock Industrial Inc.
Products and corporate names appearing in this documentation may or may not
be registered trademarks or copyrights of their respective companies, and are used
only for identication or explanation and to the owners’ benet, without intent to
infringe.
Disclaimer:
Specications and information contained in this documentation are furnished for
informational use only and subject to change without notice, and should not be
constructed as a commitment by ASRock Industrial. ASRock Industrial assumes no
responsibility for any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock Industrial does not
provide warranty of any kind, either expressed or implied, including but not limited
to the implied warranties or conditions of merchantability or tness for a particular
purpose.
In no event shall ASRock Industrial, its directors, officers, employees, or agents
be liable for any indirect, special, incidental, or consequential damages (including
damages for loss of prots, loss of business, loss of data, interruption of business
and the like), even if ASRock Industrial has been advised of the possibility of such
damages arising from any defect or error in the documentation or product.
is device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing 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.
CALIFORNIA, USA ONLY
The Lithium battery adopted on this motherboard contains Perchlorate, a toxic
substance controlled in Perchlorate Best Management Practices (BMP) regulations
passed by the California Legislature. When you discard the Lithium battery in Cali-
fornia, USA, please follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardous-
waste/perchlorate”
ASRock Industrial’s Website: https://www.asrockind.com

Replaceable batteries
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS
Contact Information
If you need to contact ASRock Industrial or want to know more about ASRock
Industrial, you’re welcome to visit ASRock Industrial’s website at https://www.
asrockind.com; or you may contact your dealer for further information.
ASRock Industrial Incorporation
Email: [e-mail]
e terms HDMI®and HDMI High-Denition Multimedia Interface, and the HDMI
logo are trademarks or registered trademarks of HDMI Licensing LLC in the United
States and other countries.

Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Product Specications 2
1.3 Block Diagram 4
Chapter 2 Product Overview 5
2.1 Front View 5
2.2 Rear View 6
2.3 Inside View 8
2.4 Position 9
Chapter 3 Hardware Installation 10
3.1 How to Remove the Bottom Case 10
3.2 How to Install the WiFi Module 11
3.3 How to Remove the M.2 SSD and the Bracket 12
3.4 How to Install the M.2 SSD 13
3.5 How to Install the 2.5-inch Hard Drive 14
3.6 How to Install the Memory Modules (DDR5) 17
3.7 How to Install the VESA Bracket 18
Chapter 4 Motherboard 19
4.1 Motherboard Layout 19
4.2 Onboard Headers and Connectors 21
4.3 Expansion Slots (M.2 Slots) 24
Chapter 5 UEFI Setup Utility 25
5.1 Introduction 25

5.1.1 Entering BIOS Setup 25
5.1.2 UEFI Menu Bar 26
5.1.3 Navigation Keys 27
5.2 Main Screen 28
5.3 Advanced Screen 29
5.3.1 CPU Conguration 30
5.3.2 Chipset Conguration 31
5.3.3 Storage Conguration 33
5.3.4 Super IO Conguration 34
5.3.5 ACPI Conguration 35
5.3.6 USB Conguration 36
5.3.7 Trusted Computing 37
5.4 Hardware Health Event Monitoring Screen 39
5.5 Security Screen 40
5.6 Boot Screen 41
5.7 Exit Screen 42
Chapter 6 Software Support 43
6.1 Install Operating System 43

4X4 BOX 7040U Series
PB 1
English
Chapter 1 Introduction
1.1 Package Contents
• 1 x 4X4 BOX 7040 Series
• 1 x SATA 1 to 1 Cable
• 1 x 19V/120W Power Adapter
• 1 x VESA Mount Bracket & Screw Package
• 1 x Quick Installation Guide
Because the hardware specications might be updated, the content of this documentation
will be subject to change without notice.
If any items are missing or appear damaged, contact your authorized dealer.

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1.2 Product Specications
4X4 BOX 7040U
Series Barebone
CPU
AMD Ryzen™ 7040U-Series
4X4 BOX-7840U (AMD Ryzen™ 7 7840U, 8Cores,
Max Speed up to 5.1GHz)
4X4 BOX-7640U (AMD Ryzen™ 5 7640U, 6Cores,
Max Speed up to 4.9GHz)
BIOS AMI SPI 256 Mbit
Memory Supports Dual Channel DDR5 5600 MHz, 2 x 262-pin SO-
DIMM slots, 64GB (32 GB per DIMM)
HDD
1 x M.2 (Key M, 2242/2260/2280)
with PCIe Gen4 x4 for SSD
*M.2 Key M 2280 (supported by bracket)
1 x SATA3.0 (6.0 Gb/s)
LAN
LAN1:
Realtek RTL8125BG with 10/100/1000/2500 Mbps
LAN2:
Realtek RTL8111EPV with 10/100/1000 Mbps,
supports DASH function
WiFi 1 x Wi-Fi 6E 802.11ax + BT 5.2,
M.2 Slot (M.2 Key E, 2230) with PCIe x1, USB 2.0 for Wireless)
Audio Realtek ALC256, High Denition Audio
Front I/O
1 x USB 3.2 Gen2 (Type-A),
2 x USB4 (supports DP1.4a display output, 1 x Audio (headphone
& microphone jack)
M.2
SATA

4X4 BOX 7040U Series
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* For 4X4 BOX 7040 Series, it is not recommended to install 2.5” HDD. If you install the 2.5” HDD, please keep the
4X4 BOX 7040 Series in a vertical position to ensure better cooling performance.
Rear I/O 2 x HDMI 1.4b, 1 x 1 Gigabit LAN, 1 x 2.5 Gigabit LAN, 2 x USB
2.0, 1 x DC Jack
Power Unit 1 x 19V/120W Power Adapter
Dimensions
(L x W x H) 117.5 x 110.0 x 47.85mm (4.63" x 4.33" x 1.88")
VESA Bracket included , supports 75 x 75 and 100 x 100 mm
Weight 1kg
Operating
Temperature 0ºC ~ 40ºC

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1.3 Block Diagram
AMD
Phoenix
HDMI 1.4b
2 x HDMI
Connector
eSPI
HDMI 1.4b
1 x USB 3.2 Gen2
Connector
1 x USB 3.2 Gen2
Dual-RJ45
Connector
2.5G RTL8125BG PCIe x1
1G RTL8111EPV PCIe x1
Channel A DDR5 5600M HZ SO-DIMM
Line out & Mic in
Connector
Audio Realtek
ALC256
HDA
2 x USB 2.0
Connector
2 x USB 2.0
NUVOTON
NCT5525D-S
CPU FAN1 FAN
Channel B DDR5 5600M HZ SO-DIMM
PCIe x4
M.2 Key M
USB 2.0
PCIE to SATA
Hub
ASM1061
PCIe x1
PCIe x1 M.2 Key E
SATA
SPI INFINEON
SLB9670XQ2.0
(BOM option)
1 x USB 2.0
Genesys
GL852
USB 2.0
USB 2.0
4X4-7840U-1U
4X4-7640U-1U
Typ e-C
Connector KB8002
RTS5452E
USB4
Typ e-C
Connector KB8002
RTS5452E
USB4
SATA Port
SPI BIOS
ROM
2x USB2.0
Header
(BOM option)
USB 2.0
MCU
NUC121
(BOM option)
COM 1
(BOM option) RS232/422/485

4X4 BOX 7040U Series
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English
Chapter 2 Product Overview
is chapter provides diagrams showing the location of important components of
the 4X4 BOX 7040 Series.
2.1 Front View
No. Description
1Audio (Mic-in, Line-out)
2 2 x USB 4 Ports (Type-C, supports DP1.4a display output)
3 USB 3.2 Gen2 (Type-A)
1 2 3
4
5
1 2
3
2.1 Front View
2.2 Rear View
2.2 Inside View
1
3
2
4

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English
2.2 Rear View
No. Description
1DC-IN
2 2 x HDMI
3 RJ-45 (1G)*
4 RJ-45 (2.5G)**
5 2 x USB 2.0 Ports
* ere are two LEDs on the LAN1 port. Please refer to the table below for the LAN1 port LED indications.
Activity / Link LED Speed LED
Status Description Status Description
O No Link O 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link Green 1Gbps connection
ACT/LINK LED
SPEED LED
LAN1 Port
1 2 3
4
5
1 2
3
2.1 Front View
2.2 Rear View
2.2 Inside View
1
3
2
4

4X4 BOX 7040U Series
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English
** ere are two LEDs on the LAN2 port. Please refer to the table below for the LAN2 port LED indications.
Activity / Link LED Speed LED
Status Description Status Description
O No Link O 10Mbps connection
Blinking Data Activity Orange 100Mbps/1Gbps
connection
On Link Green 2.5Gbps connection
ACT/LINK LED
SPEED LED
LAN2 Port

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English
2.3 Inside View
No. Description
1SO-DIMM Slots
2 SATA 3.0 Connector
3 M.2 Slot (Key M, 2242/2260/2280) with PCIe Gen4 x4 for SSD
4 M.2 Slot (M.2 Key E, 2230) with PCIe x1, USB 2.0 for Wireless)
SO-DIMM memory, hard drive and mSATA SSD are not included with this system.
1 2 3
4
5
1 2
3
2.1 Front View
2.2 Rear View
2.2 Inside View
1
3
2
4

4X4 BOX 7040U Series
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English
2.4 Position
e 4X4 BOX-7040 Series can be placed in vertical or horizontal position.
Please note that keeping the 4X4 BOX-7040 Series in a vertical position will ensure better
cooling performance.
Horizontal Position Vertical Position VESA-mounted

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Chapter 3 Hardware Installation
is chapter helps you install or remove important components.
3.1 How to Remove the Bottom Case
1. Remove the four screws on the bottom case.
2. en li up and remove the bottom panel.
2
1

4X4 BOX 7040U Series
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3.2 How to Install the WiFi Module
1. Locate the WiFi Module slot on the motherboard.
2. Carefully insert the WiFi Module into the slot.
3. Tighten the screw to secure the WiFi Module to the motherboard.

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3.3 How to Remove the M.2 SSD and the Bracket
1. Release the screw and carefully remove the M.2 SSD (Type 2280).
2. Release the screw and remove the bracket from the motherboard.

4X4 BOX 7040U Series
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English
3.4 How to Install the M.2 SSD
1. Locate the M.2 slot on the motherboard. Install the stando.
2. Carefully insert the M.2 SSD (Type 2260) into the slot.
3. Tighten the screw to secure the M.2 SSD to the motherboard.

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3.5 How to Install the 2.5-inch Hard Drive
1. Remove the four screws on the bottom case. en li up and remove the bottom panel.
2. Attach the HDD to the hard drive mounting bracket and secure it using the four
screws. en connect the SATA Data and Power Cable to the HDD.

4X4 BOX 7040U Series
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English
3. Attach the HDD assembly to the bottom panel and secure it using the four screws.
4. Connect the SATA Cable to the connector.