Page 2
(including damages for loss of profits, loss of business, loss of data, interruption of business and the like), even if ASRock has been advised of the possibility of such damages arising from any defect or error in the documentation or product.
Page 3
If you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard International call charges apply) The terms HDMI®...
Page 4
CE Warning This device complies with directive 2014/53/EU issued by the Commision of the European Community. This equipment complies with EU radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator &...
ASRock’s website without further notice. If you require technical support related to this motherboard, please visit our website for specific information about the model you are using. You may find the latest VGA cards and CPU support list on ASRock’s website as well. ASRock website http://www.asrock.com.
Page 8
• 2 x DDR4 DIMM Slots • Supports DDR4 4000+(OC)*/3866(OC)/3800(C)/3733(OC) /3600(OC)/3200(OC)/2933(OC)/2800(OC)/2666/2400/2133 non-ECC, un-buffered memory * Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/) • Supports ECC UDIMM memory modules (operate in non- ECC mode) • Max. capacity of system memory: 32GB • Supports Intel®...
• 2 x DDR4 DIMM Slots • Supports DDR4 4000+(OC)*/3866(OC)/3800(C)/3733(OC) /3600(OC)/3200(OC)/2933(OC)/2800(OC)/2666/2400/2133 non-ECC, un-buffered memory * Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/) • Supports ECC UDIMM memory modules (operate in non- ECC mode) • Max. capacity of system memory: 32GB • Supports Intel®...
Page 10
Z390M-ITX/ac Graphics • Intel® UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated. • Supports Intel® UHD Graphics Built-in Visuals : Intel® Quick Sync Video with AVC, MVC (S3D) and MPEG-2 Full HW Encode1, Intel®...
Page 11
• 1 x Ultra M.2 Socket, supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)** ** Supports Intel® Optane Technology ** Supports NVMe SSD as boot disks ** Supports ASRock U.2 Kit...
Page 12
Z390M-ITX/ac Connector • 1 x TPM Header • 1 x Chassis Intrusion Header • 1 x CPU Fan Connector (4-pin) * The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. • 1 x Chassis Fan Connector (4-pin) • 1 x Chassis/Water Pump Fan Connector (4-pin) (Smart Fan...
Page 13
• ErP/EuP ready (ErP/EuP ready power supply is required) * For detailed product information, please visit our website: http://www.asrock.com 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.
Z390M-ITX/ac 1.4 I/O Panel No. Description No. Description USB 2.0 Ports (USB12) Microphone (Pink)** Display Port USB 3.1 Gen2 Type-A Ports (USB31_45) USB 3.1 Gen2 Type-A Port (USB31_TA_1) USB 3.1 Gen2 Type-A Ports (USB31_23) LAN RJ-45 Port (Intel® I219V)* USB 3.1 Gen2 Type-C Port (USB31_TC_1) LAN RJ-45 Port (Intel®...
Page 17
** To configure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi- channel audio feature through the audio driver. Please set Speaker Configuration to “7.1 Speaker”in the Realtek HD Audio Manager. Function of the Audio Ports in 7.1-channel Configuration: Port Function...
Z390M-ITX/ac 1.5 WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz Antennas WiFi-802.11ac + BT Module This motherboard comes with an exclusive WiFi 802.11 a/b/g/n/ac + BT v4.2 module (pre-installed on the rear I/O panel) that offers support for WiFi 802.11 a/b/ g/n/ac connectivity standards and Bluetooth v4.2.
Page 19
WiFi Antennas Installation Guide Step 1 Prepare the WiFi 2.4/5 GHz Antennas that come with the package. Step 2 Connect the two WiFi 2.4/5 GHz Antennas to the antenna connectors. Turn the antenna clock- wise until it is securely connected. Step 3 Set the WiFi 2.4/5 GHz Antenna as shown in the illustration.
Z390M-ITX/ac Chapter 2 Installation This is a 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.
2.1 Installing the CPU 1. Before you insert the 1151-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. Otherwise, the CPU will be seriously damaged.
Page 23
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.
2.3 Installing Memory Modules (DIMM) This motherboard provides two 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.
2.4 Expansion Slots (PCI Express Slot) There is 1 PCI Express slot 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.
Z390M-ITX/ac 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...
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 (9-pin PANEL1) HDLED+...
Page 30
Z390M-ITX/ac Serial ATA3 Connectors These six SATA3 (SATA3_0: connectors support SATA see p.7, No. 9) data cables for internal (SATA3_1: storage devices with up to see p.7, No. 8) 6.0 Gb/s data transfer rate. (SATA3_2: *If M2_1 is occupied by a SATA- see p.7, No.
Page 31
PWRBTN (Power Switch): Connect to the power switch on the chassis front panel. You may configure the way to turn off your system using the power switch. RESET (Reset Switch): Connect to the reset switch on the chassis front panel. Press the reset switch to restart the computer if the computer freezes and fails to perform a normal restart.
Page 32
Z390M-ITX/ac CPU Fan Connector This motherboard pro- FAN_SPEED FAN_VOLTAGE_CONTROL (4-pin CPU_FAN1) vides a 4-Pin CPU fan FAN_SPEED_CONTROL (see p.7, No. 3) (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3. ATX Power Connector...
2.7 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 Ultra M.2 Socket (M2_1) supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s).
Page 34
Z390M-ITX/ac Step 3 Move the standoff based on the module type and length. The standoff is placed at the nut location D by default. Skip Step 3 and 4 and go straight to Step 5 if you are going to use the default nut.
Chapter 3 Software and Utilities Operation 3.1 Installing Drivers The Support CD that comes with the motherboard contains necessary drivers and useful utilities that enhance the motherboard’s features. Running The Support CD To begin using the support CD, insert the CD into your CD-ROM drive. The CD automatically displays the Main Menu if “AUTORUN”...
Z390M-ITX/ac 3.2 A-Tuning A-Tuning is ASRock’s multi purpose software suite with a new interface, more new features and improved utilities. 3.2.1 Installing A-Tuning A-Tuning can be downloaded from ASRock Live Update & APP Shop. After the installation, you will find the icon “A-Tuning“ on your desktop. Double-click the “A- Tuning“...
Page 39
OC Tweaker Configurations for overclocking the system. System Info View information about the system. *The System Browser tab may not appear for certain models.
Page 40
Configure up to five different fan speeds using the graph. The fans will automatically shift to the next speed level when the assigned temperature is met. Settings Configure ASRock A-Tuning. Click to select "Auto run at Windows Startup" if you want A-Tuning to be launched when you start up the Windows operating system.
Double-click on your desktop to access ASRock Live Update & APP Shop utility. *You need to be connected to the Internet to download apps from the ASRock Live Update & APP Shop. 3.3.1 UI Overview Category Panel Hot News...
Z390M-ITX/ac 3.3.2 Apps When the "Apps" tab is selected, you will see all the available apps on screen for you to download. Installing an App Step 1 Find the app you want to install. The most recommended app appears on the left side of the screen. The other various apps are shown on the right.
Page 43
Step 3 If you want to install the app, click on the red icon to start downloading. Step 4 When installation completes, you can find the green "Installed" icon appears on the upper right corner. To uninstall it, simply click on the trash can icon *The trash icon may not appear for certain apps.
Page 44
Z390M-ITX/ac Upgrading an App You can only upgrade the apps you have already installed. When there is an available new version for your app, you will find the mark of "New Version" appears below the installed app icon. Step 1 Click on the app icon to see more details.
3.3.3 BIOS & Drivers Installing BIOS or Drivers When the "BIOS & Drivers" tab is selected, you will see a list of recommended or critical updates for the BIOS or drivers. Please update them all soon. Step 1 Please check the item information before update. Click on to see more details.
Z390M-ITX/ac 3.3.4 Setting In the "Setting" page, you can change the language, select the server location, and determine if you want to automatically run the ASRock Live Update & APP Shop on Windows startup.
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.
Z390M-ITX/ac 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.
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.
Z390M-ITX/ac 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>...
4.4 Main Screen When you enter the UEFI SETUP UTILITY, the Main screen will appear and display the system overview. My Favorite Display your collection of BIOS items. Press F5 to add/remove your favorite items.
Z390M-ITX/ac 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 53
CPU Configuration Multi Core Enhancement Improve the system's performance by forcing the CPU to perform the highest frequency on all CPU cores simultaneously. Disable to reduce power consumption . CPU Ratio The CPU speed is determined by the CPU Ratio multiplied with the BCLK. Increasing the CPU Ratio will increase the internal CPU clock speed without affecting the clock speed of other components.
Page 54
Z390M-ITX/ac AVX is a more stressful workload that lower the AVX ratio to ensure maximum possible ratio for SSE workloads. BCLK Aware Adaptive Voltage BCLK Aware Adaptive Voltage enable/disable. When enabled, pcode will be aware of the BCLK frequency when calculating the CPU V/F curves. This is ideal for BCLK OC to avoid high voltage overrides.
Page 55
DRAM Clock Choose a frequency to override to clock delay for memory training. DRAM Clock controls memory training only if ASRock Timing Optimization is disabled. Primary Timing CAS# Latency (tCL) The time between sending a column address to the memory and the beginning of the data in response.
Page 56
Z390M-ITX/ac command and opening the next row. RAS# Active Time (tRAS) The number of clock cycles required between a bank active command and issuing the precharge command. Command Rate (CR) The delay between when a memory chip is selected and when the first active command can be issued.
Page 57
The time window in which four activates are allowed the same rank. CAS Write Latency (tCWL) Configure CAS Write Latency. Third Timing tREFI Configure refresh cycles at an average periodic interval. tCKE Configure the period of time the DDR4 initiates a minimum of one refresh command internally once it enters Self-Refresh mode.
Page 58
Z390M-ITX/ac 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.
Page 59
IO-L Offset (CH A) Configure IO latency offset for channel A. IO-L Offset (CH B) Configure IO latency offset for channel B. RFR Delay (CH A) Configure RFR Delay for Channel A. RFR Delay (CH B) Configure RFR Delay for Channel B. ODT Setting ODT WR (A1) Configure the memory on die termination resistors' WR for channel A.
Page 60
Z390M-ITX/ac Default is 100. DQ ODT Driving Adjust ODT Driving for better signal. Default is 60. DQ Driving Adjust DQ Driving for better signal. Default is 26. Command Driving Adjust Command Driving for better signal. Default is 20. Control Driving Adjust Control Driving for better signal.
Page 61
Configure the tCL for Memory MRS MR6. Advanced Setting ASRock Timing Optimization Configure the fast path through the MRC. Realtime Memory Timing Configure the realtime memory timings. [Enabled] The system will allow performing realtime memory timing changes after MRC_DONE. Command Tristate Configure the Command Tristate Support.
Page 62
Z390M-ITX/ac Use this to configure DRAM Voltage. The default value is [Auto]. PCH +1.05 Voltage Configure the chipset voltage (1.05V). VCCST Voltage Configure the voltage for the VCCST. Save User Default Type a profile name and press enter to save your settings as user default.
4.6 Advanced Screen In this section, you may set the configurations for the following items: CPU Configuration, Chipset Configuration, Storage Configuration, Super IO Configura- tion, ACPI Configuration, USB Configuration and Trusted Computing. Setting wrong values in this section may cause the system to malfunction. UEFI Configuration UEFI Setup Style Select the default mode when entering the UEFI setup utility.
Z390M-ITX/ac 4.6.1 CPU Configuration 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 Cores Select the number of cores to enable in each processor package.
Page 65
CFG Lock This item allows you to disable or enable the CFG Lock. CPU Thermal Throttling Enable CPU internal thermal control mechanisms to keep the CPU from overheat- ing. Intel Virtualization Technology Intel Virtualization Technology allows a platform to run multiple operating systems and applications in independent partitions, so that one computer system can function as multiple virtual systems.
Z390M-ITX/ac 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). VT-d Intel® Virtualization Technology for Directed I/O helps your virtual machine...
Page 67
PCH PCIE ASPM Support This option enables/disables the ASPM support for all PCH PCIE devices. DMI ASPM Support This option enables/disables the control of ASPM on CPU side of the DMI Link. PCH DMI ASPM Support This option enables/disables the ASPM support for all PCH DMI devices. Share Memory Configure the size of memory that is allocated to the integrated graphics processor when the system boots up.
Z390M-ITX/ac 4.6.3 Storage Configuration SATA Controller(s) Enable/disable the SATA controllers. SATA Mode Selection AHCI: Supports new features that improve performance. RAID: Combine multiple disk drives into a logical unit. 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.
Z390M-ITX/ac 4.6.5 ACPI Configuration Suspend to RAM Select disable for ACPI suspend type S1. It is recommended to select auto for ACPI S3 power saving. PS/2 Keyboard Power On Allow the system to be waked up by a PS/2 Keyboard.
4.6.6 USB Configuration Legacy USB Support Enable or disable Legacy OS Support for USB 2.0 devices. If you encounter USB compatibility issues it is recommended to disable legacy USB support. Select UEFI Setup Only to support USB devices under the UEFI setup and Windows/Linux operating systems only.
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 74
Z390M-ITX/ac Network Configuration Use this to configure internet connection settings for Internet Flash. Internet Setting Enable or disable sound effects in the setup utility. UEFI Download Server Select a server to download the UEFI firmware.
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 76
Z390M-ITX/ac 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.
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.
Z390M-ITX/ac 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 79
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 80
Z390M-ITX/ac 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.
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 82
Contact Information If you need to contact ASRock or want to know more about ASRock, you’re welcome to visit ASRock’s website at http://www.asrock.com; or you may contact your dealer for further information. For technical questions, please submit a support request form at https://event.asrock.com/tsd.asp...
Page 83
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 Z390M-ITX/ac Model Number : Conforms to the following speci cations:...
Page 84
EU Declaration of Conformity For the following equipment: Motherboard (Product Name) Z390M-ITX/ac / ASRock (Model Designation / Trade Name) ASRock Incorporation (Manufacturer Name) 2F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District, Taipei City 112, Taiwan (R.O.C.) (Manufacturer Address) EMC —Directive 2014/30/EU (from April 20th, 2016)