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ASROCK Z390M-ITX/ac User Manual

ASROCK Z390M-ITX/ac
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46
English
CPU Conguration
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
e CPU speed is determined by the CPU Ratio multiplied with the BCLK.
Increasing the CPU Ratio will increase the internal CPU clock speed without
aecting the clock speed of other components.
CPU Cache Ratio
e CPU Internal Bus Speed Ratio. e maximum should be the same as the CPU
Ratio.
Minimum CPU Cache Ratio
Set the minimum CPU Internal Bus Speed Ratio.
BCLK Frequency
e CPU speed is determined by the CPU Ratio multiplied with the BCLK.
Increasing the BCLK will increase the internal CPU clock speed but also aect the
clock speed of other components.
BCLK Spread Spectrum
Enable BCLK Spread Spectrum to reduce electromagnetic interference for passing
EMI tests. Disable to achieve higher clock speeds when overclocking.
Divider
Congure the BCLK divider.
Boot Performance Mode
Select the performance state that the BIOS will set before OS hando.
Reliability Stress Restrictor
Disable or Enable Reliability Stress Restrictor feature.
FCLK Frequency
Congure the FCLK Frequency.
AVX Ratio Oset
AVX Ratio Oset species a negative oset from the CPU Ratio for AVX workloads.

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ASROCK Z390M-ITX/ac Specifications

General IconGeneral
Non-ECCYes
Memory channelsDual-channel
Memory slots typeDIMM
Number of memory slots2
Supported memory typesDDR4-SDRAM
Maximum internal memory32 GB
Supported memory clock speeds2133, 2400, 2666, 2800, 2933, 3200, 3600, 3733, 3800, 3866, 4000 MHz
Processor socketLGA 1151 (Socket H4)
Processor manufacturerIntel
Compatible processor seriesIntel Celeron, Intel Core i3, Intel Core i5, Intel Core i7, Intel Pentium
Maximum number of SMP processors1
Audio chipRealtek ALC892
CertificationFCC, CE, ErP/EuP
Component forPC
Motherboard chipsetIntel Z390
PC health monitoringFAN, Temperature, Voltage
Audio output channels7.1 channels
Motherboard form factormini ITX
Windows operating systems supportedWindows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home x64, Windows 10 x64
Cables includedSATA
Bundled softwareASRock A-Tuning, ASRock XFast LAN ASRock EZ Mode, ASRock Full HD UEFI, ASRock My Favorites in UEFI, ASRock Instant Flash, ASRock Internet Flash, ASRock Easy RAID Installer
HDMI version1.4
DisplayPort version1.2
eSATA ports quantity0
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity5
Number of SATA III connectors6
LAN controllerIntel I211-AT, Intel I219-V
Wi-Fi standards802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version4.2
Ethernet interface typeGigabit Ethernet
DirectX version12.0
Maximum resolution4096 x 2304 pixels
Number of displays supported3
BIOS typeUEFI AMI
ACPI version6.0
BIOS memory size128 Mbit
System Management BIOS (SMBIOS) version2.7
Harmonized System (HS) code84733020
Weight and Dimensions IconWeight and Dimensions
Width170 mm

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