ASROCK Z390 Taichi Ultimate User manual

Version 1.0
Published July 2018
Copyright©2018 ASRock 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 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. ASRock assumes no responsibility for
any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock 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, its directors, ocers, 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 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 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.
CALIFORNIA, USA ONLY
e 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 California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/
perchlorate”
ASRock Website: http://www.asrock.com

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. If
you require assistance please call ASRock Tel : [phone] ext.123 (Standard
International call charges apply)
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.
Manufactured under license under U.S. Patent Nos: 5,956,674; 5,974,380; 6,487,535;
7,003,467 & other U.S. and worldwide patents issued & pending. DTS, the Symbol, &
DTS and the Symbol together is a registered trademark & DTS Connect, DTS Interactive,
DTS Neo:PC are trademarks of DTS, Inc. Product includes soware.
© DTS, Inc., All Rights Reserved.

CE Warning
is device complies with directive 2014/53/EU issued by the Commision of the European
Community.
is equipment complies with EU radiation exposure limits set forth for an uncontrolled
environment.
is equipment should be installed and operated with minimum distance 20cm between
the radiator & your body.
Operations in the 5.15-5.35GHz band are restricted to indoor usage only.
Radio transmit power per transceiver type
Function Frequency Maximum Output Power (EIRP)
WiFi
2400-2483.5 MHz 18.5 + / -1.5 dbm
5150-5250 MHz 21.5 + / -1.5 dbm
5250-5350 MHz 18.5 + / -1.5 dbm (no TPC)
21.5 + / -1.5 dbm (TPC)
5470-5725 MHz 25.5 + / -1.5 dbm (no TPC)
28.5 + / -1.5 dbm (TPC)
Bluetooth 2400-2483.5 MHz 8.5 + / -1.5 dbm

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Z390 Taichi Ultimate
Motherboard Layout
Intel
Z390
DDR4_A2 (64 bit, 288-pin module)
DDR4_A1 (64 bit, 288-pin module)
DDR4_B2 (64 bit, 288-pin module)
DDR4_B1 (64 bit, 288-pin module)
ATX1 2V1
ATXPWR1
PCIE2
Top:
LAN1
(Int el I211AT)
Top:
Central/Bass
Center:
REAR SPK
Top:
LIN E IN
Center:
FRONT
Bottom:
Optical
SPDIF
Bottom:
MIC I N
PCIE4
HDLED RESET
PLED PWRBTN
PANEL1
1
1
SPK_PLED1
1
HD_AUDIO1
PCIE5
PCIE1
USB_1_2
1
CLRBTN1
PS2
Keyboard
/Mouse
CMOS
Battery
TB1
1
CPU_FAN1
1
TPMS1
1
M2_WIFI1
HDMI1
DISP LAYI_ 1
Dr.
Debug
BIOS_A1
BIOS_B1
BIOS_A_LED1
BIOS
ROM
BIOS_B_LED1
BIOS
ROM
PM_OC
1
CHA_FAN1/WP
Ul t ra M.2
PC Ie G en 3 x 4
RoHS
SATA3_2_3
SATA3_4_5
SATA3_A1_A2 SATA3_0_1
PCIE3
CLRMOS1
1
1
USB 3 .1 Gen1
T:USB3_1
B: USB3_2
USB 3 .1 Gen2
T:USB31_TA1
B: USB31_TA2
USB3_7_8
USB31_TC_2
Z390 Taichi Ultimate
ATX12V2
CHA_FAN4/WP
CHA_FAN6/WP
M2_1
M2_2
M2_3
CHA_FAN5/WP
CPU_FAN2/WP
ADDR_LED1
1
RGB_LED1
1
RGB_LED2
1
CHA_FAN2/WP
USB3
1
CHA_FAN3/WP
PWRBTN1
RSTBTN1
1
USB3_5_6
Top:
LAN 2
(Int el I219 V)
USB 3 .1 Gen2
T:USB31_TA_3
B: USB31_TC_1
Top:
10GLAN
(AQUANTIA
AQC107)
USB 3 .1 Gen1
T:USB3_3
B: USB3_4

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No. Description
1 ATX 12V Power Connector (ATX12V2)
2 ATX 12V Power Connector (ATX12V1)
3 CPU Fan Connector (CPU_FAN1)
4 CPU Fan / Waterpump Fan Connector (CPU_FAN2/WP)
5 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
6 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
7 Chassis Fan / Waterpump Fan Connector (CHA_FAN5/WP)
8 ATX Power Connector (ATXPWR1)
9 USB 3.1 Gen1 Header (USB3_7_8)
10 USB 3.1 Gen1 Header (USB3_5_6)
11 Chassis Fan / Waterpump Fan Connector (CHA_FAN6/WP)
12 Front Panel Type C USB 3.1 Gen2 Header (USB31_TC_2)
13 SATA3 Connectors (SATA3_0_1)
14 SATA3 Connectors (SATA3_2_3)
15 SATA3 Connectors (SATA3_4_5)
16 SATA3 Connectors (SATA3_A1_A2)
17 Reset Button with LED (RSTBTN1)
18 Power Button with LED (PWRBTN1)
19 Performance Mode / Easy OC Header (PM_OC)
20 Chassis Fan / Waterpump Fan Connector (CHA_FAN3/WP)
21 System Panel Header (PANEL1)
22 Power LED and Speaker Header (SPK_PLED1)
23 Clear CMOS Jumper (CLRMOS1)
24 USB 2.0 Header (USB_1_2)
25 USB 2.0 Header (USB3)
26 TPM Header (TPMS1)
27 Chassis Fan / Waterpump Fan Connector (CHA_FAN2/WP)
28 underbolt AIC Header (TB1)
29 RGB LED Header (RGB_LED2)
30 RGB LED Header (RGB_LED1)
31 Addressable LED Header (ADDR_LED1)
32 Front Panel Audio Header (HD_AUDIO1)
33 Chassis Fan / Waterpump Fan Connector (CHA_FAN4/WP)
34 Chassis Fan / Waterpump Fan Connector (CHA_FAN1/WP)

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Z390 Taichi Ultimate
I/O Panel
* ere are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.
Activity / Link LED Speed LED
Status Description Status Description
O No Link
Orange
10Mbps/100Mbps/1Gbps/2.5Gbps
/5Gbps connection
Blinking Data Activity
On Link Green 10Gbps connection
ACT/LINK LED
SPEED LED
LAN Port
1
101112
13
17 1619
27
6
9
8
5
18 14
4
15
3
No. Description No. Description
1 PS/2 Mouse/Keyboard Port 11 Optical SPDIF Out Port
2 DisplayPort 1.2 12 USB 3.1 Gen2 Type-A Port (USB31_TA_3)
3 10G LAN RJ-45 Port (AQUANTIA® AQC107)* 13 USB 3.1 Gen2 Type-C Port (USB31_TC_1)
4 LAN RJ-45 Port (Intel® I211AT)** 14 USB 3.1 Gen2 Type-A Ports (USB31_TA_12)
5 LAN RJ-45 Port (Intel® I219V)** 15 USB 3.1 Gen1 Ports (USB3_3_4)****
6 Central / Bass (Orange) 16 HDMI Port
7 Rear Speaker (Black) 17 USB 3.1 Gen1 Ports (USB3_12)
8 Line In (Light Blue) 18 Antenna Ports
9 Front Speaker (Lime)*** 19 Clear CMOS Button
10 Microphone (Pink)

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*** If you use a 2-channel speaker, please connect the speaker’s plug into “Front Speaker Jack”. See the table below
for connection details in accordance with the type of speaker you use.
Audio Output
Channels
Front Speaker
(No. 9)
Rear Speaker
(No. 7)
Central / Bass
(No. 6)
Line In
(No. 8)
2V -- -- --
4V V -- --
6V V V --
8V V V V
** ere are two LEDs on each LAN port. Please refer to the table below for the LAN 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
LAN Port
**** Please note that the USB3_3_4 do not support USB Keyboard & mouse S3/S4/S5 Wakeup.

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Z390 Taichi Ultimate
WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz Antenna
WiFi-802.11ac + BT Module
is motherboard comes with an exclusive WiFi 802.11 a/b/g/n/ac + BT v5.0
module (pre-installed on the rear I/O panel) that oers support for WiFi 802.11 a/b/
g/n/ac connectivity standards and Bluetooth v5.0. WiFi + BT module is an easy-to-
use wireless local area network (WLAN) adapter to support WiFi + BT. Bluetooth
v5.0 standard features Smart Ready technology that adds a whole new class of
functionality into the mobile devices. BT 5.0 also includes Low Energy Technology
and ensures extraordinary low power consumption for PCs. e 2T2R WiFi
solution sets a WiFi high speed standard and oers max link rate up to 1733Mbps.
* e transmission speed may vary according to the environment.
ASRock WiFi 2.4/5 GHz Antenna

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Chapter 1 Introduction
ank you for purchasing ASRock Z390 Taichi Ultimate motherboard, a reliable
motherboard produced under ASRock’s consistently stringent quality control.
It delivers excellent performance with robust design conforming to ASRock’s
commitment to quality and endurance.
1.1 Package Contents
• ASRock Z390 Taichi Ultimate Motherboard (ATX Form Factor)
• ASRock Z390 Taichi Ultimate Quick Installation Guide
• ASRock Z390 Taichi Ultimate Support CD
• 4 x Serial ATA (SATA) Data Cables (Optional)
• 1 x ASRock SLI_HB_Bridge_2S Card (Optional)
• 1 x ASRock WiFi 2.4/5 GHz Antenna (Optional)
• 3 x Screws for M.2 Sockets (Optional)
• 1 x I/O Panel Shield
Because the motherboard specications and the BIOS soware might be updated, the
content of this documentation will be subject to change without notice. In case any
modications of this documentation occur, the updated version will be available on
ASRock’s website without further notice. If you require technical support related to
this motherboard, please visit our website for specic information about the model
you are using. You may nd the latest VGA cards and CPU support list on ASRock’s
website as well. ASRock website http://www.asrock.com.

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Z390 Taichi Ultimate
1.2 Specications
Platform • ATX Form Factor
CPU • Supports 9th and 8th Gen Intel® CoreTM Processors (Socket
1151)
• IR Digital PWM
• 12 Power Phase design
• Supports Intel® Turbo Boost 2.0 Technology
• Supports Intel® K-Series unlocked CPUs
• Supports ASRock BCLK Full-range Overclocking
• Supports ASRock Hyper BCLK Engine II
Chipset • Intel® Z390
Memory • Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
• Supports DDR4 4200+(OC)*/4133(OC)/4000(OC)/3866
(OC)/3800(OC)/3733(OC)/3600(OC)/3200(OC)/2933
(OC)/2800 (OC)/2666/2400/2133 non-ECC, un-buered
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: 64GB
• Supports Intel® Extreme Memory Prole (XMP) 2.0
• 15μ Gold Contact in DIMM Slots
Expansion
Slot
• 3 x PCI Express 3.0 x16 Slots (PCIE2/PCIE4/PCIE5: single
at x16 (PCIE2); dual at x8 (PCIE2) / x8 (PCIE4); triple at x8
(PCIE2) / x4 (PCIE4) / x4 (PCIE5))*
* Supports NVMe SSD as boot disks
• 2 x PCI Express 3.0 x1 Slots (Flexible PCIe)
• Supports AMD Quad CrossFireXTM, 3-Way CrossFireXTM
and CrossFireXTM
• Supports NVIDIA® Quad SLITM and SLITM
• Supports NVIDIA® NVLinkTM with dual NVIDIA® GeForce®
RTX series graphics cards
* NVIDIA NVLink Bridge does not come with the package.
Please purchase it from NVIDIA® if necessary.

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• 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-
802.11ac module (on the rear I/O)
• 15μ Gold Contact in VGA PCIe Slot (PCIE2)
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® InTruTM 3D, Intel® Clear Video HD Technology, Intel®
InsiderTM, Intel® UHD Graphics
• DirectX 12
• HWAEncode/Decode: AVC/H.264, HEVC/H.265 8-bit,
HEVC/H.265 10-bit, VP8, VP9 8-bit, VP9 10-bit (Decode
only), MPEG2, MJPEG, VC-1 (Decode only)
• Dual graphics output: Support HDMI and DisplayPort 1.2
ports by independent display controllers
• Supports HDMI 1.4 with max. resolution up to 4K x 2K
(4096x2160) @ 30Hz
• Supports DisplayPort 1.2 with max. resolution up to 4K x 2K
(4096x2304) @ 60Hz
• Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and
HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant
HDMI monitor is required)
• Supports HDCP 2.2 with HDMI 1.4 and DisplayPort 1.2
Ports
• Supports 4K Ultra HD (UHD) playback with HDMI 1.4 and
DisplayPort 1.2 Ports
Audio • 7.1 CH HD Audio with Content Protection (Realtek
ALC1220 Audio Codec)
• Premium Blu-ray Audio support
• Supports Surge Protection
• Supports Purity SoundTM 4
- Nichicon Fine Gold Series Audio Caps
- 120dB SNR DAC with Dierential Amplier
- NE5532 Premium Headset Amplier for Front Panel
Audio Connector (Supports up to 600 Ohm headsets)
- Pure Power-In
- Direct Drive Technology
- PCB Isolate Shielding

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Z390 Taichi Ultimate
- Impedance Sensing on Front Out port
- Individual PCB Layers for R/L Audio Channel
- RGB LED
- Gold Audio Jacks
- 15μ Gold Audio Connector
• Supports DTS Connect
LAN 1 x 10 Gigabit LAN 10/100/1000/2500/5000/10000 Mb/s
(AQUANTIA® AQC107):
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection
• Supports PXE
2 x Gigabit LAN 10/100/1000 Mb/s (1 x Intel® I219V, 1 x Intel®
I211AT):
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection
• Supports Dual LAN with Teaming*
* Teaming is supported on Windows® 10 RS2 and above.
• Supports Energy Ecient Ethernet 802.3az
• Supports PXE
Wireless
LAN
• Intel® 802.11ac WiFi Module
• Supports IEEE 802.11a/b/g/n/ac
• Supports Dual-Band (2.4/5 GHz)
• Supports high speed wireless connections up to 1733Mbps
• 2 antennas to support 2 (Transmit) x 2 (Receive) diversity
technology
• Supports Bluetooth 5.0 + High speed class II
• Supports MU-MIMO
Rear Panel
I/O
• 2 x Antenna Ports
• 1 x PS/2 Mouse/Keyboard Port
• 1 x HDMI Port
• 1 x DisplayPort 1.2
• 1 x Optical SPDIF Out Port
• 3 x USB 3.1 Gen2 Type-A Ports (10 Gb/s) (ReDriver)
(Supports ESD Protection)
• 1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (ReDriver) (Supports
ESD Protection)
• 4 x USB 3.1 Gen1 Ports (Intel® Z390) (Supports ESD
Protection)

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* Please note that the USB3_3_4 do not support USB Keyboard
& mouse S3/S4/S5 Wakeup.
• 3 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED
LED)
• 1 x Clear CMOS Button
• HD Audio Jacks: Rear Speaker / Central / Bass / Line in /
Front Speaker / Microphone (Gold Audio Jacks)
Storage • 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0,
RAID 1, RAID 5, RAID 10, Intel Rapid Storage Technology
16), NCQ, AHCI and Hot Plug*
• 2 x SATA3 6.0 Gb/s Connectors by ASMedia ASM1061, sup-
port NCQ, AHCI and Hot Plug
* M2_1, SATA3_0 and SATA3_1 share lanes. If either one of
them is in use, the others will be disabled.
* If M2_2 is occupied by a SATA-type M.2 device, SATA3_3
will be disabled.
* M2_3, SATA3_4 and SATA3_5 share lanes. If either one of
them is in use, the others will be disabled.
• 1 x Ultra M.2 Socket (M2_1), support 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)**
• 2 x Ultra M.2 Sockets (M2_2 and M2_3), support M Key
type 2230/2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s mod-
ule and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)**
** Supports Intel® OptaneTM Technology
** Supports NVMe SSD as boot disks
** Supports ASRock U.2 Kit
Connector • 1 x TPM Header
• 1 x Power LED and Speaker Header
• 2 x RGB LED Headers
* Support in total up to 12V/3A, 36W LED Strip
• 1 x Addressable LED Header
* Supports in total up to 5V/3A, 15W LED Strip
• 1 x CPU Fan Connector (4-pin)
* e CPU Fan Connector supports the CPU fan of maximum
1A (12W) fan power.
• 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan
Speed Control)

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Z390 Taichi Ultimate
* e CPU/Water Pump Fan supports the water cooler fan of
maximum 2A (24W) fan power.
• 6 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan
Speed Control)
* e Chassis/Water Pump Fan supports the water cooler fan of
maximum 2A (24W) fan power.
* CPU_FAN2/WP, CHA_FAN1~6/WP can auto detect if 3-pin
or 4-pin fan is in use.
• 1 x 24 pin ATX Power Connector (Hi-Density Power Con-
nector)
• 1 x 8 pin 12V Power Connector (Hi-Density Power Connec-
tor)
• 1 x 4 pin 12V Power Connector (Hi-Density Power Connec-
tor)
• 1 x Front Panel Audio Connector (15μ Gold Audio Connec-
tor)
• 1 x underbolt AIC Connector (5-pin)
• 2 x USB 2.0 Headers (Support 3 USB 2.0 ports) (Intel® Z390)
(Supports ESD Protection)
• 2 x USB 3.1 Gen1 Headers (Support 4 USB 3.1 Gen1 ports)
(ASMedia ASM1074 hub) (Supports ESD Protection)
• 1 x Front Panel Type C USB 3.1 Gen2 Header (ASMedia
ASM1562 Retimer)
• 1 x Performance Mode / Easy OC Header
• 1 x Dr. Debug with LED
• 1 x Power Button with LED
• 1 x Reset Button with LED
BIOS
Feature
• 2 x AMI UEFI Legal BIOS with multilingual GUI support (1
x Main BIOS and 1 x Backup BIOS)
• Supports Secure Backup UEFI Technology
• ACPI 6.0 Compliant wake up events
• SMBIOS 2.7 Support
• CPU Core/Cache, GT Core/Cache, DRAM, VTT DDR, PCH
1.0V, VCCIO, CPU PLL 2, VCCSA, VCCPLL, CPU Cold Bug
Killer, CPU PLL 1, CLK VDD, DMI, CPU Internal PLL, GT
PLL, Ring PLL, System Agent PLL, Memory Controller PLL
Voltage Multi-adjustment

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Hardware
Monitor
• Temperature Sensing: CPU, CPU/Water Pump, Chassis/Wa-
ter Pump Fans
• Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water
Pump Fans
• Quiet Fan (Auto adjust chassis fan speed by CPU tempera-
ture): CPU, CPU/Water Pump, Chassis/Water Pump Fans
• Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/
Water Pump Fans
• Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM,
PCH 1.0V, VCCIO, DRAM VPP, VCCSA, VCCST, DMI,
CPU Cold Bug Killer
OS • Microso® Windows® 10 64-bit
Certica-
tions
• FCC, CE
• 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. Overclocking may aect your system’s stability, or
even cause damage to the components and devices of your system. It should be done
at your own risk and expense. We are not responsible for possible damage caused by
overclocking.
* For detailed product information, please visit our website: http://www.asrock.com

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Z390 Taichi Ultimate
is is an ATX form factor motherboard. Before you install the motherboard, study
the conguration of your chassis to ensure that the motherboard ts into it.
Pre-installation Precautions
Take note of the following precautions before you install motherboard components
or change any motherboard settings.
• Make sure to unplug the power cord before installing or removing the motherboard
components. Failure to do so may cause physical injuries and damages to motherboard
components.
• In order to avoid damage from static electricity to the motherboard’s components,
NEVER place your motherboard directly on a carpet. Also remember to use a grounded
wrist strap or touch a safety grounded object before you handle the components.
• Hold components by the edges and do not touch the ICs.
• Whenever you uninstall any components, place them on a grounded anti-static pad or
in the bag that comes with the components.
• When placing screws to secure the motherboard to the chassis, please do not over-
tighten the screws! Doing so may damage the motherboard.
Chapter 2 Installation

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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.
2. Unplug all power cables before installing the CPU.
1
2
A
B

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Z390 Taichi Ultimate
4
5
3

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Please save and replace the cover if the processor is removed. e cover must be
placed if you wish to return the motherboard for aer service.