ASROCK Rack Z490D4U-2L2T User manual

Z490D4U-2L2T
W480D4U-2L2T
W480D4U-V1L
W480D4U
User Manual
Version 1.0
Published June 2020
Copyright©2020 ASRock Rack INC. All rights reserved.

Version 1.0
Published June 2020
Copyright©2020 ASRock Rack 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 Rack 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 Rack. ASRock Rack assumes no
responsibility for any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock Rack 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 Rack, 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 Rack 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 Rack’s Website: www.ASRockRack.com

Contact Information
If you need to contact ASRock Rack or want to know more about ASRock Rack,
you’re welcome to visit ASRock Rack’s website at www.ASRockRack.com; or you
may contact your dealer for further information.
ASRock Rack Incorporation
6F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District,
Taipei City 112, Taiwan (R.O.C.)
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.

Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Specications 2
1.3 Unique Features 6
1.4 Motherboard Layout 7
1.5 Onboard LED Indicators 10
1.6 I/O Panel 12
1.7 Block Diagram 14
Chapter 2 Installation 15
2.1 Screw Holes 15
2.2 Pre-installation Precautions 15
2.3 Installing the CPU 16
2.4 Installing the CPU Fan and Heatsink 18
2.5 Installation of Memory Modules (DIMM) 19
2.6 Expansion Slots (PCI Express Slots) 21
2.7 Jumper Setup 22
2.8 Onboard Headers and Connectors 24
2.9 Dr. Debug 31
2.10 Unit Identication purpose LED/Switch 37
2.11 Driver Installation Guide 37
2.12 Dua LAN and Teaming Operation Guide 38
2.13 M.2_SSD (NGFF) Module Installation Guide (M2_1) 39
2.14 M.2_SSD (NGFF) Module Installation Guide (M2_2) 41

Chapter 3 UEFI Setup Utility 43
3.1 Introduction 43
3.1.1 UEFI Menu Bar 43
3.1.2 Navigation Keys 44
3.2 Main Screen 45
3.3 OC Tweaker 46
3.3.1 CPU Conguration 47
3.3.2 DRAM Conguration 50
3.3.3 Voltage Conguration 57
3.4 Advanced Screen 60
3.4.1 CPU Conguration 61
3.4.2 Storage Conguration 63
3.4.3 Storage Conguration 66
3.4.4 ACPI Conguration 67
3.4.5 USB Conguration 68
3.4.6 Super IO Conguration 69
3.4.7 Serial Port Console Redirection 70
3.4.8 H/W Monitor 74
3.4.9 Intel ME Conguration 75
3.4.10 Instant Flash 76
3.5 Security Screen 77
3.5.1 Key Management 78
3.6 Boot Screen 82
3.6.1 CSM Parameters 84

3.7 Server Mgmt 86
3.7.1 System Event Log 87
3.7.2 BMC Network Conguration 88
3.8 Event Logs 90
3.9 Exit Screen 92
Chapter 4 Software Support 93
4.1 Install Operating System 93
4.2 Support CD Information 93
4.2.1 Running The Support CD 93
4.2.2 Drivers Menu 93
4.2.3 Utilities Menu 93
4.2.4 Contact Information 93
Chapter 5 Troubleshooting 94
5.1 Troubleshooting Procedures 94
5.2 Technical Support Procedures 96
5.3 Returning Merchandise for Service 96

Z490D4U-2L2T / W480D4U Series
PB 1
English
Chapter 1 Introduction
ank you for purchasing ASRock Rack Z490D4U-2L2T / W480D4U-2L2T /
W480D4U-V1L / motherboard, a reliable motherboard produced under ASRock
Rack’s consistently stringent quality control. It delivers excellent performance with
robust design conforming to ASRock Rack’s commitment to quality and endurance.
1.1 Package Contents
• ASRock Rack Z490D4U-2L2T / W480D4U-2L2T / W480D4U-V1L / W480D4U
Motherboard (mATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x24.4 cm)
• Quick Installation Guide
• 1 x SATA3 Cable (60cm)
• 1 x I/O Shield
• 2 x Screws for M.2 Sockets
If any items are missing or appear damaged, contact your authorized dealer.
Because the motherboard specications and the BIOS soware might be updated, the con-
tent of this manual will be subject to change without notice. In case any modications of
this manual occur, the updated version will be available on ASRock Rack website without
further notice. You may nd the latest memory and CPU support lists on ASRock Rack
website as well. ASRock Rack’s Website: www.ASRockRack.com
If you require technical support related to this motherboard, please visit our website for
specic information about the model you are using.
http://www.asrockrack.com/support/

2 3
English
1.2 Specications
Z490D4U-2L2T / W480D4U-2L2T / W480D4U-V1L / W480D4U
MB Physical Status
Form Factor mATX
Dimension 9.6'' x 9.6'' (24.4 cm x24.4 cm)
Processor System
CPU Z490D4U-2L2T:
Supports Intel® 10th Gen. Core™ i9/i7/i5/i3, Pentium, Celeron
Series Processors
W480D4U-2L2T / W480D4U-V1L / W480D4U:
Supports Intel® 10th Gen. Core™ i9/i7/i5/i3 and Xeon W series
CPU
Chipset Intel® Z490 / W480
System Memory
Capacity - 4 x 288-pin DDR4 DIMM slots
- Support up to 128GB DDR4 non-ECC UDIMM
Type Z490D4U-2L2T:
- Dual Channel DDR4 memory technology
- Supports DDR4 non-ECC UDIMM
W480D4U-2L2T / W480D4U-V1L / W480D4U:
- Dual Channel DDR4 memory technology
- Supports DDR4 ECC-DIMM and non-ECC U DIMM
DIMM Size Per
DIMM
Non-ECC UDIMM : 32GB, 16GB, 8GB, 4GB
ECC UDIMM : 32GB, 16GB, 8GB, 4GB
DIMM
Frequency
Non-ECC UDIMM: 2933*/2666/2400 MHz
* CoreTM (i9/i7) support DDR4 up to 2933; CoreTM (i5/i3), Pentium® and
Celeron® support DDR4 up to 2666.
Voltage 1.2V
Expansion Slot
PCIe 3.0 x16 Slot 6: Gen3 x16 link, auto switch to x8 link if Slot 4 is
occupied (Physical x16, EE x16/x8 (from CPU), shared with
Slot 4)
PCIe 3.0 x8 Slot 4: Gen3 x8 link (Physical x8, EE x0/x8 (from CPU),
shared with Slot 6)
PCIe 3.0 x1 Slot 7: Gen3 x1 link (Physical x1, EEx1 (from PCH))
Storage
SATA
Controller
Z490D4U-2L2T:
6 x SATA3 6Gb/s (SATA0-5, SATA_0 supports SATA DOM)
W480D4U-2L2T / W480D4U-V1L / W480D4U:
8 x SATA3 6Gb/s (SATA0-7, SATA_0 supports SATA DOM)

Z490D4U-2L2T / W480D4U Series
2 3
English
Ethernet
Interface Z490D4U-2L2T / W480D4U-2L2T:
10000/1000 /100 Mbps
W480D4U-V1L /W480D4U:
1000/100 /10 Mbps
LAN Z490D4U-2L2T / W480D4U-2L2T / W480D4U:
- 2 x RJ45 GLAN by Intel® i210
W480D4U-V1L:
- 1 x RJ45 GLAN by Intel® i210
Z490D4U-2L2T / W480D4U-2L2T:
- 2 x RJ45 10G base-T by Intel® X710-AT2
Z490D4U-2L2T / W480D4U-2L2T / W480D4U-V1L /
W480D4U:
- 1 x RJ45 Dedicated IPMI LAN port by RTL8211E
- Supports Wake-On-LAN
- Supports Energy Ecient Ethernet 802.3az
- Supports Dual LAN with Teaming function
- Supports PXE
- LAN1 supports NCSI
Management
BMC Controller Z490D4U-2L2T / W480D4U-2L2T / W480D4U:
ASPEED AST2500
W480D4U-V1L:
ASPEED AST2510
IPMI Dedicated
GLAN
1 x Realtek RTL8211E for dedicated management GLAN
Features - Watch Dog
- NMI
Graphics
Controller ASPEED AST2500
VRAM DDR4 256MB
Rear Panel I/O
VGA Port 1 x D-Sub
USB 3.1 Port 2 (Gen2), 2(Gen1)
HDMI Port 1
LAN Port - 4 or 2 +1 RJ45 Gigabit Ethernet LAN ports
- LAN Ports with LED (ACT/LINK LED and SPEED LED)
UID Button/
LED
1
Serial port 1

4 5
English
Internal Connector
Auxiliary Panel
Header
1 (includes chassis intrusion, location button & LED, and
front LAN LED)
Front Panel 1 (RST, PWRBTN, HDDLED, PWRLED)
SATA DOM 1
TPM Header 1
SPI TPM Header 1
IPMB Header 1
Fan Header 7 (1CPU/4Front/2Rear)
ATX Power 1x (24-pin) + 1x (8-pin)+ 1x (4-pin)
TR1 1
Buzzer 1
USB 3.1 Gen1
Header
1 (supports 2 USB 3.1 Gen1 ports)
USB 2.0 Header 1 (supports 2 USB 2.0 ports)
M.2 2 (M2_1: 2260/2280/22110, Supports PCIE3.0(x4);
M2_2:2260/2280, Supports PCIE3.0(x4))*
*e M.2 slot (M2_2) is shared with the PCIE5 slot (BOM option). When
M2_2 is populated with a M.2 PCIe module, PCIE5 is disabled.
ME/SPS
Recovery
1
BMC_SMB_1 1
PSU_SMB1 1
SGPIO 1
Front VGA 1
Front LAN LED 1
NMI Button 1
80 Debug Port
LED
1
ClearCMOS 1 (short pin)
OH/FanFail
LED
7 (header)
System BIOS
BIOS Ty pe 256 Mb AMI UEFI Legal BIOS
BIOS Features - Plug and Play (PnP)
- ACPI 2.0 Compliance Wake Up Events
- SMBIOS 2.8.0 Support
- ASRock Rack Instant Flash
Hardware Monitor
Temperature - CPU Temperature Sensing
- MB/Card side/TR1 Temperature Sensing

Z490D4U-2L2T / W480D4U Series
4 5
English
is motherboard supports Wake from on Board LAN. To use this function, please make
sure that the “Wake on Magic Packet from power o state” is enabled in Device Manager
> Intel® Ethernet Connection > Power Management. And the “PCI Devices Power On” is
enabled in UEFI SETUP UTILITY > Advanced > ACPI Conguration. Aer that, onboard
LAN1&2 can wake up S5 under OS.
If you install Intel® LAN utility or Marvell SATA utility, this motherboard may fail Win-
dows® Hardware Quality Lab (WHQL) certication tests. If you install the drivers only, it
will pass the WHQL tests.
Fan - Chassis Fan Tachometer
- CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by
CPU Temperature)
- CPU/Rear/Front Fan Multi-Speed Control
Voltage Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM,
V1.0M,+BAT, 3VSB, 5VSB
Support OS
OS Microso® Windows®
- Server 2016 (64 bit)
- Server 2019 (64 bit)
Linux®
- RedHat Enterprise Linux Server 6.9 (64 bit) / 7.4 (64 bit)
- SUSE Enterprise Linux Server 12 SP1 (64 bit) /
12 SP3 (64 bit)
- Ubuntu 15.10 (64 bit) / 16.04 (64 bit)
Virtual
- VMWare® ESXi 6.5 u1
- Win hyper-V Server 2016
* HDMI port (E3C246D4U2-2L2T ) OS installation on Linux is only
supported for RedHat Enterprise Linux Server 6.9 (64 bit).
*Please refer to our website for the latest OS support list.
Environment
Temperature Operation temperature: 10°C ~ 35°C / Non operation
temperature: -40°C ~ 70°C

6 7
English
1.3 Unique Features
ASRock Rack Instant Flash is a BIOS ash utility embedded in Flash ROM. is con-
venient BIOS update tool allows you to update system BIOS without entering operat-
ing systems rst like MS-DOS or Windows®. With this utility, you can press the <F6>
key during the POST or the <F2> key to enter into the BIOS setup menu to access
ASRock Rack Instant Flash. Just launch this tool and save the new BIOS le to your
USB ash drive, oppy disk or hard drive, then you can update your BIOS only in a
few clicks without preparing an additional oppy diskette or other complicated ash
utility. Please be noted that the USB ash drive or hard drive must use FAT32/16/12
le system.

Z490D4U-2L2T / W480D4U Series
6 7
English
1.4 Motherboard Layout
DDR3_B1 (64 bit, 240-pin module)
DDR3_A1 (64 bit, 240-pin module)
24.4cm (9.6 in)
ATXPWR1
COM1
VGA1
BMC
LAN1
IPMI
LAN
DDR4_B2 (64 bit, 288-pin module)
DDR4_B1 (64 bit, 288-pin module)
DDR3_B1 (64 bit, 240-pin module)
DDR3_A1 (64 bit, 240-pin module)
DDR4_A2 (64 bit, 288-pin module)
DDR4_A1 (64 bit, 288-pin module)
PCIE6
PCIE7
PCIE4
BAT1
1
PSU_SMB1
ATX12V1
SATA_SGPIO1
1
SATA_1
1
USB3_1_2
SATA_0
PANEL1
AUX_PANEL1
HDLED RESET
PLED PWRBTN
1
11
FRONT_LED_LAN34
1
IPMB_1
BMC_SMB_1
1
USB_1_2
1
CHASSIS_ID2
1
UID1
24.4cm (9.6 in)
Intel
Z490/
W480
BIOS
ROM
145
3
6
CHASSIS_ID0
1
T 1
1
Super
I/O
R
M2_2
NUT60_2 NUT80_2
7
8
19
20
42
RoHS
Z490D4U-2L2T/
W480D4U-2L2T/
W480D4U-V1L/
W480D4U
43
46
1
SEC_OR1
1
1
CHASSIS_ID1
1
PECI1
1
1
PWM_CFG1
LAN2
10
11
12
13
14
21
29
30
34
36
37
39
41
44
35
USB 3.1 Gen2
T: USB31_1
B: USB31_2
USB 3.1 Gen1
T: USB31_3
B: USB31_4
HDMI1
SATA_ 3
Dr. Debug
LAN3
LAN4
1
FRNT_VGA1
2
9
1
SPEAKER1
15
16
17
18
SATA_ 2
SATA_ 5
SATA_ 4
1
SPI_TPM_J1
NMI_BTN1
ME_RECOVERY1
TPM1
1
BUZZER1
M2_1
NUT110_1 NUT80_1 NUT60_1
ATX12V2
22
23
24
27
BMC
ROM
31
33 32
45
38
CLRMOS1
40
1
SATA_PWR1
28
X710-AT2
i210
i210
SATA_ 7
SATA_ 6
25
26
(Not supported for
W480D4U-V1L)
(Not supported for
W480D4U-V1L)
(Z490D4U2L2T /
W480D4U2L2T only)
(SATA_6 ~ SATA_7:
Not supported for
Z490D4U-2L2T)
(Z490D4U2L2T /
W480D4U2L2T only)
(Z490D4U2L2T /
W480D4U2L2T only)
FAN1
FAN2
FAN3
FAN4
FAN5
FAN6
FAN7

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English
No. Description
1 Front VGA Header (FRNT_VGA1)
2 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1, Blue)
3PSU SMBus (PSU_SMB1)
4 ATX Power Connector (ATXPWR1)
5 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2, White)
6 Chassis Fan Connector (FAN1)
7 Chassis Fan Connector (FAN2)
8 Chassis Fan Connector (FAN3)
9 Chassis Fan Connector (FAN4)
10 Chassis ID0 Jumper (CHASSIS_ID0)
11 Security Override Jumper (SEC_OR1)
12 Chassis ID1 Jumper (CHASSIS_ID1)
13 Chassis ID2 Jumper (CHASSIS_ID2)
14 CPU PECI Mode Jumper (PECI1)
15 Chassis Speaker Header (SPEAKER1)
16 Chassis Fan Connector (FAN5)
17 Chassis Fan Connector (FAN6)
18 Chassis Fan Connector (FAN7)
19 SATA3 Connector (SATA_1)
20 USB 3.1 Gen1 Header (USB3_1_2)
21 SATA3 Connector (SATA_2)
22 SATA3 Connector (SATA_3)
23 SATA3 Connector (SATA_4)
24 SATA3 Connector (SATA_5)
25 SATA3 Connector (SATA_6) (Not supported for Z490D4U-2L2T)
26 SATA3 Connector (SATA_7) (Not supported for Z490D4U-2L2T)
27 SATA3 DOM Connector (SATA_0), Red
28 SATA DOM Power Connector (SATA_PWR1)
29 System Panel Header (PANEL1)
30 Auxiliary Panel Header (AUX_PANEL1)
31 Non Maskable Interrupt Button (NMI_BTN1)
32 SPI TPM Header (SPI_TPM_J1)
33 Front LAN LED Connector (FRONT_LED_LAN34)

Z490D4U-2L2T / W480D4U Series
8 9
English
No. Description
34 USB 2.0 Header (USB_1_2)
35 SATA SGPIO Connector (SATA_SGPIO1)
36 ME Recovery Jumper (ME_RECOVERY1)
37 BMC SMBus Header (BMC_SMB_1)
38 Intelligent Platform Management Bus Header (IPMB_1)
39 TPM Header (TPM1)
40 Clear CMOS Pad (CLRMOS1)
41 ermal Sensor Header (TR1)
42 M.2 Socket (M2_2) (Type 2260/2280)
43 M.2 Socket (M2_1) (Type 2260/2280/22110)
44 PWM Conguration Header (PWM_CFG1)
45 ATX 12V Power Connector (ATX12V2)
46 ATX 12V Power Connector (ATX12V1)

10 11
English
1.5 Onboard LED Indicators
DDR3_B1 (64 bit, 240-pin module)
DDR3_A1 (64 bit, 240-pin module)
DDR4_B2 (64 bit, 288-pin module)
DDR4_B1 (64 bit, 288-pin module)
DDR3_B1 (64 bit, 240-pin module)
DDR3_A1 (64 bit, 240-pin module)
DDR4_A2 (64 bit, 288-pin module)
DDR4_A1 (64 bit, 288-pin module)
1
1
Intel
Z490
RoHS
Z490D4U-2L2T
1
1
2
3
4
5
6
7
8
9

Z490D4U-2L2T / W480D4U Series
10 11
English
No. Item Status Description
1 SB_PWR1 Green STB PWR ready
2FAN1_LED1 Amber FAN1 failed
3FAN2_LED1 Amber FAN2 failed
4FAN3_LED2 Amber FAN3 failed
5FAN4_LED4 Amber FAN4 failed
6FAN5_LED2 Amber FAN5 failed
7FAN6_LED1 Amber FAN6 failed
8FAN7_LED3 Amber FAN7 failed
9BMC_LED1 Green BMC heartbeat LED

12 13
English
1.6 I/O Panel
8
7
4
3
210
6
15
911
No. Description No. Description
1 UID Switch (UID1) 7 10G LAN RJ-45 Port (LAN2)**
(Z490D4U-2L2T /W480D4U-2L2T only)
2VGA Port (VGA1) 8 USB 3.1 Gen2 Ports (USB31_1_2)
3 Serial Port (COM1) 9 1G LAN RJ-45 Port (LAN3)***
4 LAN RJ-45 Port (IPMI_LAN)* 10 USB 3.1 Gen1 Ports (USB31_3_4)
5HDMI Port (HDMI) 11 1G LAN RJ-45 Port (LAN4)***
(Not supported for W480D4U-V1L)
610G LAN RJ-45 Port (LAN1)**
(Z490D4U-2L2T /W480D4U-2L2T only)
LAN Port LED Indications
*ere are two LED next to the LAN port. Please refer to the table below for the LAN port
LED indications.
Dedicated IPMI LAN Port LED Indications
Activity / Link LED Speed LED
Status Description Status Description
O No Link O 10M bps connection or no
link
Blinking Yellow Data Activity Yellow 100M bps connection
On Link Green 1Gbps connection
ACT/LINK LED
SPEED LED
LAN Port

Z490D4U-2L2T / W480D4U Series
12 13
English
**ere are two LEDs on each LAN port. Please refer to the table below for the LAN port
LED indications.
10G LAN Port LED Indications (Z490D4U-2L2T /W480D4U-2L2T only)
Activity / Link LED Speed LED
Status Description Status Description
O No Link O 100Mbps connection or
no link
Blinking Green Data Activity Yellow 1Gbps connection
On Link Green 10Gbps connection
***ere are two LEDs on each LAN port. Please refer to the table below for the LAN port
LED indications.
1G LAN Port LED Indications
Activity / Link LED Speed LED
Status Description Status Description
O No Link O 10Mbps connection or
no link
Blinking Orange Data Activity Yellow 100Mbps connection
On Link Green 1Gbps connection
SPEED LED
ACT/LINK LED
LAN Port
ACT/LINK LED
SPEED LED
LAN Port

14 15
English
1.7 Block Diagram