ASROCK B660-ITX User Manual
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ASROCK B660-ITX User Manual

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  • Page 2 Version 1.0 Published February 2022 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.
  • Page 3 AUSTRALIA ONLY Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage caused by our goods. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

  • Page 4: Table Of Contents

    Contents Chapter 1 Introduction Package Contents Specifications Motherboard Layout Front Panel Rear Panel Chapter 2 Installation Installing the CPU Installing the CPU Fan and Heatsink Installing Memory Modules (DIMM) Expansion Slot (PCIe Slot) Jumpers Setup Onboard Headers and Connectors M.2 WiFi/BT Module and Intel® CNVi (Integrated WiFi/BT) Installation Guide M.2_SSD (NGFF) Module Installation Guide Chapter 3 Auto Driver Installer...
  • Page 5 4.3.2 Navigation Keys Main Screen OC Tweaker Screen Advanced Screen 4.6.1 CPU Configuration 4.6.2 Chipset Configuration 4.6.3 Storage Configuration 4.6.4 ACPI Configuration 4.6.5 USB Configuration 4.6.6 Trusted Computing Tools 4.8 Hardware Health Event Monitoring Screen 4.9 Security Screen 4.10 Boot Screen 4.11 Exit Screen...

  • Page 6: Chapter 1 Introduction

    B660-ITX Chapter 1 Introduction Thank you for purchasing B660-ITX motherboard. In this documentation, Chapter 1 and 2 contains the introduction of the motherboard and step-by-step installation guides. Chapter 3 contains the operation guide of the software and utilities. Chapter 4 contains the configuration guide of the BIOS setup.

  • Page 7: Specifications

    1.2 Specifications Platform • Deep mini-ITX Form Factor • Supports 12 Gen Intel® Core Processors (LGA1700) • Digi Power design • 6 Power Phase design • Supports Intel® Hybrid Technology • Supports Intel® Turbo Boost Max 3.0 Technology ® Chipset • Intel B660 Memory...
  • Page 8 B660-ITX • Supports DisplayPort 1.4 with DSC (compressed) max. resolution up to 8K (7680x4320) @ 60Hz / 5K (5120x3200) @ 120Hz • Supports HDCP 2.3 with HDMI 2.1 TMDS Compatible and DisplayPort 1.4 Ports • Realtek ALC897 Audio Codec Audio • Supports Surge Protection...
  • Page 9 Storage • 3 x SATA3 6.0 Gb/s Connectors • 1 x Hyper M.2 Socket (M2_1, Key M), supports type 2280 SATA3 6.0 Gb/s & PCIe Gen4x4 (64 Gb/s) modes* • 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode* * Supports Intel®...
  • Page 10 B660-ITX • Microsoft® Windows® 10 64-bit / 11 64-bit Certifica- • FCC, CE tions • ErP/EuP ready (ErP/EuP ready power supply is required) Please realize that there is a certain risk involved with overclocking, including adjusting the setting in the BIOS, applying Untied Overclocking Technology, or using third-party overclocking tools.

  • Page 11: Motherboard Layout

    M.2 WiFi VGA1 RJ-45 ATX12V1 M.2 PCIe SSD Intel B660 CPU_FAN1 CHA_FAN1 B660-ITX DDR4_A1 (64 bit, 288-pin module) DDR4_A2 (64 bit, 288-pin module) DDR4_B1 (64 bit, 288-pin module) DDR4_B2 (64 bit, 288-pin module) SATA3_1 SATA3_2 SATA3_3 ATX P W R1...
  • Page 12 B660-ITX Back Side View M2_2...
  • Page 13 No. Description 8 pin 12V Power Connector (ATX12V1) CPU Fan Connector (CPU_FAN1) Chassis/Water Pump Fan Connector (CHA_FAN1/WP) 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2) Chassis Intrusion Header (CI1) ATX Power Connector (ATXPWR1) SATA3 Connector (SATA3_3) SATA3 Connector (SATA3_2) Clear CMOS Jumper (CLRMOS1)

  • Page 14: Front Panel

    B660-ITX 1.4 Front Panel No. Description No. Description Headphone/Headset Jack (AUDIO1) USB 3.2 Gen1 Type-A Ports USB 3.2 Gen1 Type-C Port (USB3_3_4) (F_USB31_TC_1) USB 2.0 Ports (USB_5_6)

  • Page 15: Rear Panel

    1.5 Rear Panel No. Description No. Description LAN RJ-45 Port* USB 3.2 Gen1 Type-A Ports Line In (Light Blue) (USB3_1_2) Front Speaker (Lime) D-Sub Port Microphone (Pink) DisplayPort 1.4 USB 2.0 Ports (USB12) HDMI Port * There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications. ACT/LINK LED SPEED LED LAN Port...

  • Page 16: Chapter 2 Installation

    B660-ITX Chapter 2 Installation This is a Deep mini-ITX form factor motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Pre-installation Precautions Take note of the following precautions before you install motherboard components or change any motherboard settings.

  • Page 17: Installing The Cpu

    2.1 Installing the CPU 1. Before you insert the 1700-Pin CPU into the socket, please check if the PnP cap is on the socket, if the CPU surface is unclean, or if there are any bent pins in the socket. Do not force to insert the CPU into the socket if above situation is found.
  • Page 18 B660-ITX...
  • Page 19 Please save and replace the cover if the processor is removed. The cover must be placed if you wish to return the motherboard for after service.

  • Page 20: Installing The Cpu Fan And Heatsink

    B660-ITX 2.2 Installing the CPU Fan and Heatsink...

  • Page 21: Installing Memory Modules (Dimm)

    2.3 Installing Memory Modules (DIMM) This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual Channel Memory Technology. 1. For dual channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR4 DIMM pairs. 2.
  • Page 22 B660-ITX...

  • Page 23: Expansion Slot (Pcie Slot)

    2.4 Expansion Slot (PCIe Slot) There are 1 PCIe slot on the motherboard. Before installing an expansion card, please make sure that the power supply is switched off or the power cord is unplugged. Please read the documentation of the expansion card and make necessary hardware settings for the card before you start the installation.

  • Page 24: Jumpers Setup

    B660-ITX 2.5 Jumpers Setup The illustration shows how jumpers are setup. When the jumper cap is placed on the pins, the jumper is “Short”. If no jumper cap is placed on the pins, the jumper is “Open”. Clear CMOS Jumper...

  • Page 25: Onboard Headers And Connectors

    2.6 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard. System Panel Header Connect the power PLED+ PLED-...
  • Page 26 B660-ITX Serial ATA3 Connector These three SATA3 SATA3_1 SATA3_2 SATA3_3 (SATA3_1: connector supports SATA see p.6, No. 13) data cables for internal (SATA3_2: storage devices with up to see p.6, No. 9) 6.0 Gb/s data transfer rate. (SATA3_2: see p.6, No. 8) USB 2.0 Header...
  • Page 27 ATX 12V Power This motherboard Connector provides a 8-pin ATX 12V (8-pin ATX12V1) power connectors. To use (see p.6, No. 1) a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. *Warning: Please make sure that the power cable connected is for the CPU and not the graphics card.

  • Page 28: Wifi/Bt Module And Intel® Cnvi (Integrated Wifi/Bt) Installation Guide

    B660-ITX 2.7 M.2 WiFi/BT Module and Intel® CNVi (Integrated WiFi/BT) Installation Guide The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The M.2 Socket (Key E) supports type 2230 WiFi/BT module and Intel®...
  • Page 29 Step 3 Gently insert the WiFi/BT module or Intel® CNVi (Integrated WiFi/ BT) into the M.2 slot. Please be aware that the module only fits in one orientation. Step 4 Tighten the screw with a screwdriver to secure the module into place. Please do not overtighten the screw as this might damage the module.

  • Page 30: M.2_Ssd (Ngff) Module Installation Guide

    B660-ITX 2.8 M.2_SSD (NGFF) Module Installation Guide The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The Hyper M.2 Socket (M2_1, Key M) supports type 2280 SATA3 6.0 Gb/s & PCIe Gen4x4 (64 Gb/s) modes.
  • Page 31 M.2_SSD (NGFF) Module Support List (M2_1) Vendor Interface ADATA SATA3 AXNS330E-32GM-B ADATA SATA3 AXNS381E-128GM-B ADATA SATA3 AXNS381E-256GM-B ADATA SATA3 ASU800NS38-256GT-C ADATA SATA3 ASU800NS38-512GT-C ADATA PCIe3 x4 ASX7000NP-128GT-C ADATA PCIe3 x4 ASX8000NP-256GM-C ADATA PCIe3 x4 ASX7000NP-256GT-C ADATA PCIe3 x4 ASX8000NP-512GM-C ADATA PCIe3 x4 ASX7000NP-512GT-C Apacer...
  • Page 32 B660-ITX Vendor Interface TEAM PCIe3 x4 TM8FP2240G0C101 TEAM PCIe3 x4 TM8FP2480GC110 Transcend SATA3 TS256GMTS400 Transcend SATA3 TS512GMTS600 Transcend SATA3 TS512GMTS800 V-Color SATA3 VLM100-120G-2280B-RD V-Color SATA3 VLM100-240G-2280RGB V-Color SATA3 VSM100-240G-2280 V-Color SATA3 VLM100-240G-2280B-RD SATA3 WDS100T1B0B-00AS40 SATA3 WDS240G1G0B-00RC30 PCIe3 x4 WDS256G1X0C-00ENX0 (NVME)
  • Page 33 M.2_SSD (NGFF) Module Support List (M2_2) Vendor Interface ADATA PCIe ADATA ASX7000NPC-512GT-C (XPG SX7000) (NVMe) ADATA PCIe ADATA ASX8000NPC-512GM-C (XPG ASX8000) (NVMe) Apacer PCIe Apacer Z280 AP240GZ280-240G (NVMe) Intel PCIe Intel Optane Memory 32GB (MEMPEK1W032GA)(NVMe) Intel PCIe Intel Optane Memory 16GB (MEMPEK1W016GA)(NVMe) INTEL PCIe INTEL 600P-SSDPEKKW256G7-256GB (NVMe)

  • Page 34: Chapter 3 Auto Driver Installer

    B660-ITX Chapter 3 Auto Driver Installer After you install the Windows OS and boot into the system, a notification will pop up to help you to install and update required drivers.

  • Page 35: Chapter 4 Uefi Setup Utility

    Chapter 4 UEFI SETUP UTILITY 4.1 Introduction This section explains how to use the UEFI SETUP UTILITY to configure your system. You may run the UEFI SETUP UTILITY by pressing <F2> or <Del> right after you power on the computer, otherwise, the Power-On-Self-Test (POST) will continue with its test routines.

  • Page 36: Ez Mode

    B660-ITX 4.2 EZ Mode The EZ Mode screen appears when you enter the BIOS setup program by default. EZ mode is a dashboard which contains multiple readings of the system’s current status. You can check the most crucial information of your system, such as CPU speed, DRAM frequency, SATA information, fan speed, etc.

  • Page 37: Advanced Mode

    4.3 Advanced Mode The Advanced Mode provides more options to configure the BIOS settings. Refer to the following sections for the detailed configurations. To access the EZ Mode, press <F6> or click the "EZ Mode" button at the upper right corner of the screen.

  • Page 38: Navigation Keys

    B660-ITX 4.3.2 Navigation Keys Use < > key or < > key to choose among the selections on the menu bar, and use < > key or < > key to move the cursor up or down to select items, then press <Enter>...

  • Page 39: Main Screen

    4.4 Main Screen When you enter the UEFI SETUP UTILITY, the Main screen will appear and display the system overview. The availability and location of BIOS settings can be different for different models and BIOS versions. My Favorite Display your collection of BIOS items. Press F5 to add/remove your favorite items.

  • Page 40: Oc Tweaker Screen

    B660-ITX 4.5 OC Tweaker Screen In the OC Tweaker screen, you can set up overclocking features. Because the UEFI software is constantly being updated, the following UEFI setup screens and descriptions are for reference purpose only, and they may not exactly match what you see on your screen.
  • Page 41 CPU Configuration CPU P-Core Ratio The CPU speed is determined by the CPU P-Core Ratio multiplied with the BCLK. Increasing the CPU P-Core Ratio will increase the internal CPU clock speed without affecting the clock speed of other components. AVX2 Ratio Offset AVX2 Ratio Offset specifies a negative offset from the CPU Ratio for AVX workloads.
  • Page 42 B660-ITX Intel SpeedStep Technology Intel SpeedStep technology allows processors to switch between multiple frequen- cies and voltage points for better power saving and heat dissipation. Intel Turbo Boost Technology Intel Turbo Boost Technology enables the processor to run above its base operating frequency when the operating system requests the highest performance state.
  • Page 43 DRAM Timing Configuration Load XMP Setting Load XMP settings to overclock the memory and perform beyond standard specifications. DRAM Reference Clock Select Auto for optimized settings. DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assign the appropriate frequency automatically.
  • Page 44 B660-ITX Write Recovery Time (tWR) The amount of delay that must elapse after the completion of a valid write operation, before an active bank can be precharged. Refresh Cycle Time (tRFC) The number of clocks from a Refresh command until the first Activate command to the same rank.
  • Page 45 Turn Around Timing Turn Around Timing Optimization Auto is enabled in general case. TAT Training Value tRDRD_sg Configure between module read to read delay. tRDRD_dg Configure between module read to read delay. tRDRD_dr Configure between module read to read delay. tRDRD_dd Configure between module read to read delay.
  • Page 46 B660-ITX tWRWR_sg Configure between module write to write delay. tWRWR_dg Configure between module write to write delay. tWRWR_dr Configure between module write to write delay. tWRWR_dd Configure between module write to write delay. TAT Runtime Value tRDRD_sg Configure between module read to read delay.
  • Page 47 tWRRD_dg Configure between module write to read delay. tWRRD_dr Configure between module write to read delay. tWRRD_dd Configure between module write to read delay. tWRWR_sg Configure between module write to write delay. tWRWR_dg Configure between module write to write delay. tWRWR_dr Configure between module write to write delay.
  • Page 48 B660-ITX Initial RTL (MC1 C0 B1/B2) Configure round trip latency initial value. Initial RTL (MC1 C1 B1/B2) Configure round trip latency initial value. RTL (MC0 C0 A1/A2) Configure round trip latency value. RTL (MC0 C1 A1/A2) Configure round trip latency value.
  • Page 49 Configure the memory on die termination resistors' PARK for channel B2. Advanced Setting ASRock Timing Optimization Configure the fast path through the MRC. ASRock Second Timing Optimization Configure the second fast path through the MRC. MRC Training Respond Time Try Slowest MRC Training.
  • Page 50 B660-ITX MRC Fast Boot Enable Memory Fast Boot to skip DRAM memory training for booting faster. Voltage Configuration Voltage Mode [OC]: Larger range voltage for overclocking. [STABLE]: Smaller range voltage for stable system. CPU Core/Cache Voltage Input voltage for the processor by the external voltage regulator.
  • Page 51 +0.82V PCH Voltage Configure the chipset voltage (0.82V). +1.05V PCH Voltage Configure the chipset voltage (1.05V). AVX Configuration AVX2 Voltage Guardband Scale Factor AVX2 Voltage Guardband Scale Factor controls the voltage guardband applied to AVX2 workloads. A value > 1.00 will increase the voltage guardband, and < 1.00 will decrease the voltage guardband.
  • Page 52 B660-ITX voltage selected will be applied over all operating frequencies. In Adaptive Mode the voltage is interpolated only in turbo mode. Uses Mailbox 0SR 0x150, cmd 0x10, 0x11. Extra Turbo Voltage Specifies the extra turbo voltage applied while Atom L2 is operating in turbo mode.
  • Page 53 Extra Turbo Voltage Specifies the extra turbo voltage applied while GT is operating in turbo mode. Uses Mailbox MSR 0x150, cmd 0x10, 0x11. Range 0-2000 mV. GT Voltage Offset Specifies the Offset Voltage applied to the GT domain. This voltage is specified in millivolts.

  • Page 54: Advanced Screen

    B660-ITX 4.6 Advanced Screen In this section, you may set the configurations for the following items: CPU Configuration, Chipset Configuration, Storage Configuration, ACPI Configuration, USB Configuration and Trusted Computing. Setting wrong values in this section may cause the system to malfunction.

  • Page 55: Cpu Configuration

    4.6.1 CPU Configuration Processor E-Core Information This item displays the E-Core Information. Processor P-Core Information This item displays the P-Core Information. Intel Hyper Threading Technology Intel Hyper Threading Technology allows multiple threads to run on each core, so that the overall performance on threaded software is improved. Active Processor P-Cores Select the number of cores to enable in each processor package.
  • Page 56 B660-ITX CPU C6 State Support Enable C6 deep sleep state for lower power consumption. CPU C7 State Support Enable C7 deep sleep state for lower power consumption. Package C State Support Enable CPU, PCIe, Memory, Graphics C State Support for power saving.
  • Page 57 Legacy Game Compatibility Mode When enabled, pressing the scroll lock key will toggle the Efficient cores between being parked when Scroll Lock LED is on and un-parked when LED is off.

  • Page 58: Chipset Configuration

    B660-ITX 4.6.2 Chipset Configuration Primary Graphics Adapter Select a primary VGA. Above 4G Decoding Enable or disable 64bit capable Devices to be decoded in Above 4G Address Space (only if the system supports 64 bit PCI decoding). C.A.M (Clever Access Memory) If system has Resizable BAR capable PCIe Devices, use this option to enable or disable Resizable BAR support (only of the system supports 64-bit PCI decoding).
  • Page 59 PCIE1 Link Speed Select the link speed for PCIE1. PCI Express Native Control Select Enable for enhanced PCI Express power saving in OS. PCIE ASPM Support This option enables/disables the ASPM support for all CPU downstream devices. PCH PCIE ASPM Support This option enables/disables the ASPM support for all PCH PCIE devices.

  • Page 60: Storage Configuration

    B660-ITX 4.6.3 Storage Configuration SATA Controller(s) Enable/disable the SATA controllers. SATA Mode Selection AHCI: Supports new features that improve performance. Hybrid Storage Detection and Configuration Mode This item allows you select Hybrid Storage Detection and Configuration Mode. SATA Aggressive Link Power Management SATA Aggressive Link Power Management allows SATA devices to enter a low power state during periods of inactivity to save power.

  • Page 61: Acpi Configuration

    4.6.4 ACPI Configuration Suspend to RAM Select disable for ACPI suspend type S1. It is recommended to select auto for ACPI S3 power saving. PCIE Devices Power On Allow the system to be waked up by a PCIE device and enable wake on LAN. I219 LAN Power On Allow the system to be waked up by the Onboard Intel LAN.

  • Page 62: Usb Configuration

    B660-ITX 4.6.5 USB Configuration XHCI Hand-off This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change should be claimed by XHCI driver.

  • Page 63: Trusted Computing

    4.6.6 Trusted Computing NOTE: Options vary depending on the version of your connected TPM module. Security Device Support Use this item to enable or disable BIOS support for security device. O.S. will not show Security Device. TCG EFI protocol and INT1A interface will not be available. Active PCR banks This item displays active PCR Banks.
  • Page 64 B660-ITX NOTE: Your computer will reboot during restart in order to change State of the Device. Platform Hierarchy Use this item to enable or disable Platform Hierarchy. Storage Hierarchy Use this item to enable or disable Storage Hierarchy. Endorsement Hierarchy Use this item to enable or disable Endorsement Hierarchy.

  • Page 65: Tools

    4.7 Tools UEFI Tech Service Contact ASRock Tech Service if you are having trouble with your PC. Please setup network configuration before using UEFI Tech Service. Easy RAID Installer Easy RAID Installer helps you to copy the RAID driver from the support CD to your USB storage device.
  • Page 66 B660-ITX Internet Flash - DHCP (Auto IP), Auto ASRock Internet Flash downloads and updates the latest UEFI firmware version from our servers for you. Please setup network configuration before using Internet Flash. *For BIOS backup and recovery purpose, it is recommended to plug in your USB pen drive before using this function.

  • Page 67: Hardware Health Event Monitoring Screen

    4.8 Hardware Health Event Monitoring Screen This section allows you to monitor the status of the hardware on your system, including the parameters of the CPU temperature, motherboard temperature, fan speed and voltage. Fan Tuning Measure Fan Min Duty Cycle. Fan-Tastic Tuning Select a fan mode for CPU Fan, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature.
  • Page 68 B660-ITX Chassis Fan 1 Control Mode Select PWM mode or DC mode for Chassis Fan 1. Chassis Fan 1 Setting Select a fan mode for Chassis Fan 1, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature.

  • Page 69: Security Screen

    4.9 Security Screen In this section you may set or change the supervisor/user password for the system. You may also clear the user password. Supervisor Password Set or change the password for the administrator account. Only the administrator has authority to change the settings in the UEFI Setup Utility. Leave it blank and press enter to remove the password.

  • Page 70: Boot Screen

    B660-ITX 4.10 Boot Screen This section displays the available devices on your system for you to configure the boot settings and the boot priority. Fast Boot Fast Boot minimizes your computer's boot time. In fast mode you may not boot from an USB storage device.
  • Page 71 Full Screen Logo Enable to display the boot logo or disable to show normal POST messages. AddOn ROM Display Enable AddOn ROM Display to see the AddOn ROM messages or configure the AddOn ROM if you've enabled Full Screen Logo. Disable for faster boot speed. Boot Failure Guard Message If the computer fails to boot for a number of times the system automatically restores the default settings.
  • Page 72 B660-ITX Launch Storage OpROM Policy Select UEFI only to run those that support UEFI option ROM only. Select Legacy only to run those that support legacy option ROM only. Select Do not launch to not execute both legacy and UEFI option ROM.

  • Page 73: Exit Screen

    4.11 Exit Screen Save Changes and Exit When you select this option the following message, “Save configuration changes and exit setup?” will pop out. Select [OK] to save changes and exit the UEFI SETUP UTILITY. Discard Changes and Exit When you select this option the following message, “Discard changes and exit setup?”...
  • Page 74 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2.1077(a) Responsible Party Name: ASRock Incorporation Address: 13848 Magnolia Ave, Chino, CA91710 Phone/Fax No: +1-909-590-8308/+1-909-590-1026 hereby declares that the product Product Name : Motherboard B660-ITX Model Number : Conforms to the following speci cations:...
  • Page 75 EU Declaration of Conformity For the following equipment: Motherboard (Product Name) B660-ITX (Model Designation / Trade Name) EMC Directive – 2014/30/EU EN 55032: 2015 / A11: 2020, EN 55035: 2017 / A11: 2020 EN IEC 61000-3-2: 2019, EN 61000-3-3: 2013...
  • Page 76 EU Declaration of Conformity Product: Product Motherboard Model B660-ITX Authorized Representative (UK-GB): Name: Gary Tsui Address: Bijsterhuizen 11-11, 6546 AR Nijmegen,The Netherlands Contact person: Gary Tsui This declaration is issued under the sole responsibility of the mentioned Manufacturer. The subject equipment under declaration is in conformity with the UK-GB Regulation(s) below: e Electromagnetic Compatibility Regulations 2016 (S.I.

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