ASROCK Z790 PG LIGHTNING/D4 User manual

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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
ASRock Incorporation
e-mail: [e-mail]
ASRock EUROPE B.V.
e-mail: [e-mail]
ASRock America, Inc.
e-mail: [e-mail]
Scan the QR code to view more manuals and documents.

Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Specications 2
1.3 Motherboard Layout 6
1.4 I/O Panel 9
1.5 Block Diagram 10
Chapter 2 Installation 11
2.1 Installing the CPU 12
2.2 Installing the CPU Fan and Heatsink 14
2.3 Installing Memory Modules (DIMM) 15
2.4 Connecting the Front Panel Header 17
2.5 Installing the Motherboard 18
2.6 Installing SATA Drives 19
2.7 Installing a Graphics Card 21
2.8 Connecting Peripheral Devices 23
2.9 Connecting the Power Connectors 24
2.10 Power On 25
2.11 Jumpers Setup 26
2.12 Onboard Headers and Connectors 27
2.13 Post Status Checker 39
2.14 M.2 WiFi/BT PCIe WiFi Module and Intel® CNVi (Integrated WiFi/
BT) Installation Guide 40

2.15 M.2 SSD Module Installation Guide (M2_1) 42
2.16 M.2 SSD Module Installation Guide (M2_2) 46
2.17 M.2 SSD Module Installation Guide (M2_3 and M2_4) 48
2.18 Change Screen Brightness for eDP in Windows® 50

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Z790 PG Lightning/D4
Chapter 1 Introduction
ank you for purchasing ASRock Z790 PG Lightning/D4 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 Z790 PG Lightning/D4 Motherboard (ATX Form Factor)
• ASRock Z790 PG Lightning/D4 User Manual
• 2 x Serial ATA (SATA) Data Cables (Optional)
• 5 x Screws for M.2 Sockets (Optional)
• 1 x Stando for M.2 Socket (Optional)
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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1.2 Specications
Platform • ATX Form Factor
CPU • Supports 13th Gen & 12th Gen Intel® CoreTM Processors
(LGA1700)
• Supports Intel® Hybrid Technology
• Supports Intel® Turbo Boost Max 3.0 Technology
• Supports Intel® ermal Velocity Boost (TVB)
• Supports Intel® Adaptive Boost Technology (ABT)
Chipset • Intel® Z790
Memory • Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
• Supports DDR4 non-ECC, un-buered memory up to
5333+(OC)*
1DPC 1R Up to 5333+ MHz (OC), 3200 MHz Natively.
1DPC 2R Up to 4400+ MHz (OC), 3200 MHz Natively.
2DPC 1R Up to 4533+ MHz (OC), 3200 MHz Natively.
2DPC 2R Up to 4266+ MHz (OC), 3200 MHz Natively.
• Supports ECC UDIMM memory modules (operate in non-
ECC mode)
• Max. capacity of system memory: 128GB
• Supports Intel® Extreme Memory Prole (XMP) 2.0
* Please refer to Memory Support List on ASRock's website for
more information. (http://www.asrock.com/)
Expansion
Slot
CPU:
• 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
Chipset:
• 1 x PCIe 4.0 x16 Slot (PCIE4), supports x4 mode*
• 3 x PCIe 3.0 x1 Slots (PCIE2, PCIE3 and PCIE5)*
• 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe
WiFi module and Intel® CNVio/CNVio2 (Integrated WiFi/
BT)
* Supports NVMe SSD as boot disks
• Supports AMD CrossFireTM

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Z790 PG Lightning/D4
Graphics • Intel® UHD Graphics Built-in Visuals and the VGA outputs
can be supported only with processors which are GPU
integrated.
• Intel® XeGraphics Architecture (Gen 12)
• Supports eDP 1.4, supports max. resolution up to Full HD
60Hz
• 1 x HDMI 2.1 TMDS Compatible, supports HDCP 2.3 and
max. resolution up to 4K 60Hz
Audio • 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
• Nahimic Audio
LAN • 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
• Dragon RTL8125BG
• Supports Phantom Gaming LAN Soware
- Smart Auto Adjust Bandwidth Control
- Visual User Friendly UI
- Visual Network Usage Statistics
- Optimized Default Setting for Game, Browser, and
Streaming Modes
- User Customized Priority Control
USB • 1 x USB 3.2 Gen2x2 Type-C (Rear)
• 1 x USB 3.2 Gen2 Type-A (Rear)
• 1 x USB 3.2 Gen1 Type-C (Front)
• 9 x USB 3.2 Gen1 Type-A (5 Rear, 4 Front)
• 3 x USB 2.0 (1 Rear, 2 Front)
* All USB ports support ESD Protection
Rear Panel
I/O
• 2 x Antenna Mounting Points
• 1 x PS/2 Mouse/Keyboard Port
• 1 x HDMI Port
• 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s)
• 1 x USB 3.2 Gen2x2 Type-C Port (20 Gb/s)
• 5 x USB 3.2 Gen1 Ports
• 1 x USB 2.0 Port
• 1 x RJ-45 LAN Port
• HD Audio Jacks: Line in / Front Speaker / Microphone

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Storage CPU:
• 1 x Hyper M.2 Socket (M2_1, Key M), supports type
2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
Chipset:
• 1 x Hyper M.2 Socket (M2_2, Key M), supports type
2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
• 1 x Hyper M.2 Socket (M2_3, Key M), supports type
2260/2280 SATA3 6.0 Gb/s & PCIe Gen4x4 (64 Gb/s) modes*
• 1 x Hyper M.2 Socket (M2_4, Key M), supports type
2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
• 4 x SATA3 6.0 Gb/s Connectors
* Supports Intel® Volume Management Device (VMD)
* Supports NVMe SSD as boot disks
RAID • Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA
storage devices
• Supports RAID 0, RAID 1 and RAID 5 for M.2 NVMe stor-
age devices
Connector • 1 x eDP Signal Connector
• 1 x SPI TPM Header
• 1 x Power LED and Speaker Header
• 1 x RGB LED Header*
• 3 x Addressable LED Headers**
• 1 x CPU Fan Connector (4-pin)***
• 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan
Speed Control)****
• 5 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan
Speed Control)*****
• 1 x 24 pin ATX Power Connector
• 2 x 8 pin 12V Power Connectors (Hi-Density Power Con-
nector)
• 1 x Front Panel Audio Connector
• 1 x underbolt AIC Connector (5-pin) (Supports ASRock
underbolt 4 AIC Card)
• 1 x USB 2.0 Header (Supports 2 USB 2.0 ports)
• 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
• 1 x Front Panel Type C USB 3.2 Gen1 Header
* Supports in total up to 12V/3A, 36W LED Strip

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Z790 PG Lightning/D4
** Support in total up to 5V/3A, 15W LED Strip
*** CPU_FAN1 supports the fan power up to 1A (12W).
**** CPU_FAN2/WP supports the fan power up to 2A (24W).
***** CHA_FAN1~5/WP support the fan power up to 2A (24W).
***** CPU_FAN2/WP and CHA_FAN1~5/WP can auto detect
if 3-pin or 4-pin fan is in use.
BIOS
Feature
• AMI UEFI Legal BIOS with GUI support
OS • Microso® Windows® 10 64-bit / 11 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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1.3 Motherboard Layout
Top Side View

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Z790 PG Lightning/D4
Back Side View

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No. Description
1 ATX 12V Power Connector (ATX12V1)
2 ATX 12V Power Connector (ATX12V2)
3 CPU Fan Connector (CPU_FAN1)
4 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
5 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
6 CPU/Water Pump Fan Connector (CPU_FAN2/WP)
7 Chassis/Water Pump Fan Connector (CHA_FAN3/WP)
8 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)
9 Post Status Checker (PSC)
10 ATX Power Connector (ATXPWR1)
11 Addressable LED Header (ADDR_LED2)
12 USB 3.2 Gen1 Header (USB32_10_11)
13 Addressable LED Header (ADDR_LED3)
14 Front Panel Type C USB 3.2 Gen1 Header (USB32_TC2)
15 USB 3.2 Gen1 Header (USB32_8_9)
16 SATA3 Connectors (SATA3_2)(Upper), (SATA3_3)(Lower)
17 SATA3 Connectors (SATA3_0)(Upper), (SATA3_1)(Lower)
18 RGB LED Header (RGB_LED1)
19 System Panel Header (PANEL1)
20 Power LED and Speaker Header (SPK_PLED1)
21 SPI TPM Header (SPI_TPM_J1)
22 Clear CMOS Jumper (CLRMOS1)
23 USB 2.0 Header (USB_1_2)
24 Chassis/Water Pump Fan Connector (CHA_FAN4/WP)
25 Chassis/Water Pump Fan Connector (CHA_FAN5/WP)
26 Addressable LED Header (ADDR_LED1)
27 Front Panel Audio Header (HD_AUDIO1)
28 5-pin underbolt AIC Connector (TB1)
29 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)
30 eDP Signal Connector (EDP1)

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Z790 PG Lightning/D4
1.4 I/O Panel
No. Description No. Description
1 PS/2 Mouse/Keyboard Port 7 USB 3.2 Gen1 Port (USB32_6)
2 2.5G LAN RJ-45 Port* 8 USB 3.2 Gen2 Type-A Port (USB32_5)
3 Line In (Light Blue)** 9 USB 3.2 Gen2x2 Type-C Port (USB32_TC1)
4 Front Speaker (Lime)** 10 USB 3.2 Gen1 Ports (USB32_34)
5 Microphone (Pink)** 11 HDMI Port
6 USB 2.0 Port (USB2_5) 12 USB 3.2 Gen1 Ports (USB32_12)
ACT/LINK LED
SPEED LED
LAN Port
* 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/1Gbps connection
On Link Green 2.5Gbps connection
** Function of the Audio Ports in 7.1-channel Conguration:
Port Function
Light Blue (Rear panel) Rear Speaker Out
Lime (Rear panel) Front Speaker Out
Pink (Rear panel) Central /Subwoofer Speaker Out
Lime (Front panel) Side Speaker Out
1
12
2
5
4
3
1011 8
9
6
7

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1.5 Block Diagram
5 5
4 4
3 3
2 2
1 1
D D C C B B A A
PCIE5 ( x1 Slot )
M.2_4(PCIe Gen4 x4)
DDI1
eDP
DDI2
Gen4 x4
Gen4 x4
Gen4 x4 Gen3 x1 Gen3 x1 Gen3 x1 Gen3 x1
PCIE2 ( x1 Slot ) PCIE3 ( x1 Slot )
Gen4 x4
PCIE4 Gen4x4(x16 Slot ) (TBT4 AIC support )
M.2_WIFI1
Gen3 x1
Rear USB 2.0 * 1 port
480Mb/s
PCIE1 ( Gen5 x16 Slot )
Intel 700 Series Chipset
Intel Raptor Lake Processor Socket 1700
20Gb/s
Rear USB 3.2 Gen2x2 Type C SATA 4 port
SATA 6Gb 5Gb/s
Rear USB 3.2 Gen1* 5 port
Channel B Channel A
DDR4 Slot x2 DDR4 Slot x2
SIO NCT6796D
ALC897 (3 jack Audio)
DMI Gen4 x8
M.2_2(PCIe Gen4 x4) M.2_3(PCIe Gen4 x4/SATA)
10Gb/s
Gen4 x4
Rear USB 3.2 Gen2 Type A
M.2_1 PCIe Gen4 x4
Gen5 x16
5Gb/s
ASM1074
Front USB 2.0 * 2 port
480Mb/s
AZ(HD Audio)
eSPI
RTL8125 ( 2.5G LAN )
PS2 KB/MS
FAN x7 H/W Monitor
5Gb/s
Front USB 3.2 Gen1 Type C
Front USB 3.2 Gen1 *4 port
SPI
Flash ROM 128Mb
HDMI

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Z790 PG Lightning/D4
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 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.
Otherwise, the CPU will be seriously damaged.
2. Unplug all power cables before installing the CPU.
1
A
B
2 3

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Z790 PG Lightning/D4
5
76
4
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.

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2.2 Installing the CPU Fan and Heatsink
1 2
CPU_FAN

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Z790 PG Lightning/D4
2.3 Installing Memory Modules (DIMM)
is motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots,
and supports Dual Channel Memory Technology.
Recommended Memory Conguration
1 DIMM
2 DIMMs
4 DIMMs
A1 A2 B1 B2
V
A1 A2 B1 B2
VV
A1 A2 B1 B2
VVVV
1. For dual channel conguration, you always need to install identical (the same
brand, speed, size and chip-type) DDR4 DIMM pairs.
2. It is unable to activate Dual Channel Memory Technology with only one or three
memory module installed.
3. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4
slot; otherwise, this motherboard and DIMM may be damaged.
4. e DIMM only ts in one correct orientation. It will cause permanent damage to
the motherboard and the DIMM if you force the DIMM into the slot at incorrect
orientation.

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1
2
3