ASRock Rack E3C246D4U2-2L2T User manual

E3C246D4U2-2L2T

E3C246D4U2-2T

E3C242D4U2-2T

User Manual

Version 1.0

Published July 2019

Version 2.0

Published March 2023

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:

Specifications and information contained in this documentation are furnished for

informational use only and subject to change without notice, and shou ld 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.

is equipment has been tested and found to comply with the limits for a Class B digital

device, pursuant to part 15 of the FCC Rules. ese limits are designed to provide reason-

able protection against harmful interference in a residential installation. is equipment

generates, uses and can radiate radio frequency energy and, if not installed and used in ac-

cordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which

can be determined by turning the equipment o and on, the user is encouraged to try to

correct the interference by one or more of the following

measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit dierent from that to which the

receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help.

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.

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”

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

Rack Tel : +886-2-55599600 ext.123 (Standard International call charges apply)

ASRock Rack INC. hereby declares that this device is in compliance with the essential re-

quirements and other relevant provisions of related UKCA Directives. Full text of UKCA

declaration of conformity is available at: http://www.asrockrack.com

ASRock Rack INC. hereby declares that this device is in compliance with the essential re-

quirements and other relevant provisions of related Directives. Full text of EU declaration

of conformity is available at: http://www.asrockrack.com

ASRock Rack follows the green design concept to design and manufacture our products,

and makes sure that each stage of the product life cycle of ASRock Rack product is in line

with global environmental regulations. In addition, ASRock Rack disclose the relevant in-

formation based on regulation requirements.

Please refer to https://www.asrockrack.com/general/about.asp?cat=Responsibility for in-

formation disclosure based on regulation requirements ASRock Rack is complied with:

DO NOT throw the motherboard in municipal waste. is product has been

designed to enable proper reuse of parts and recycling. This symbol of the

crossed out wheeled bin indicates that the product (electrical and electronic

equipment) should not be placed in municipal waste. Check local regulations

for disposal of electronic products.

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 13

1.6 I/O Panel 15

1.7 Block Diagram 18

Chapter 2 Installation 20

2.1 Screw Holes 20

2.2 Pre-installation Precautions 20

2.3 Installing the CPU 21

2.4 Installing the CPU Fan and Heatsink 23

2.5 Installation of Memory Modules (DIMM) 24

2.6 Expansion Slots (PCI Express Slots) 26

2.7 Jumper Setup 27

2.8 Onboard Headers and Connectors 30

2.9 Unit Identication purpose LED/Switch 36

2.10 Dua LAN and Teaming Operation Guide 37

2.11 M.2_SSD Module Installation Guide 38

Chapter 3 UEFI Setup Utility 40

3.1 Introduction 40

3.1.1 UEFI Menu Bar 40

3.1.2 Navigation Keys 41

3.2 Main Screen 42

3.3 Advanced Screen 43

3.3.1 CPU Conguration 44

3.3.2 DRAM Conguration 47

3.3.3 Chipset Conguration 48

3.3.4 Storage Conguration 50

3.3.5 ACPI Conguration 51

3.3.6 USB Conguration 52

3.3.7 Super IO Conguration 53

3.3.8 Serial Port Console Redirection 54

3.3.9 H/W Monitor 58

3.3.10 Runtime Error Logging 60

3.3.11 Intel SPS Conguration 61

3.3.12 Intel(R) Bios Guard Technology 62

3.3.13 Instant Flash 63

3.4 Server Mgmt 64

3.4.1 System Event Log 65

3.4.2 BMC Network Conguration 66

3.5 Security 68

3.5.1 Key Management 69

3.6 Boot Screen 73

3.6.1 CSM Parameters 75

3.7 Event Logs 77

3.8 Exit Screen 79

Chapter 4 Software Support 80

4.1 Download and Install Operating System 80

4.2 Download and Install Software Drivers 80

4.3 Contact Information 80

Chapter 5 Troubleshooting 81

5.1 Troubleshooting Procedures 81

5.2 Technical Support Procedures 83

5.3 Returning Merchandise for Service 83

E3C246D4U2-2L2T / E3C246D4U2-2T / E3C242D4U2-2T

PB 1

English

Chapter 1 Introduction

Thank you for purchasing ASRock Rack E3C246D4U2-2L2T / E3C246D4U2-2T /

E3C242D4U2-2T 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.

In this manual, chapter 1 and 2 contains introduction of the motherboard and step-by-step

guide to the hardware installation. Chapter 3 and 4 contains the conguration guide to BIOS

setup and information of the soware support.

1.1 Package Contents

• ASRock Rack E3C246D4U2-2L2T / E3C246D4U2-2T / E3C242D4U2-2T 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

• 1 x Screw for M.2 Socket

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

E3C246D4U2-2L2T / E3C246D4U2-2T / E3C242D4U2-2T

MB Physical Status

Form Factor mATX

Dimension 9.6'' x 9.6'' (24.4 cm x24.4 cm)

Processor System

CPU Supports Intel® Xeon® E-2100 Series Processors

Chipset Intel® C246 / Intel® C242

System Memory

Capacity - 4 x 288-pin DDR4 DIMM slots

- Support up to 128GB DDR4 ECC/non-ECC UDIMM

*Future support for 32GB via a BIOS update in early 2019

Type - Dual Channel DDR4 memory technology

- Supports DDR4 2666/2400 ECC/non-ECC U DIMM

DIMM Size Per

DIMM

ECC and non-ECC UDIMM : 64GB, 32GB, 16GB, 8GB, 4GB

DIMM

Frequency

- Non-ECC UDIMM: 2666/2400/2133 MHz

- ECC UDIMM: 2666/2400/2133 MHz

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 x4 Slot 5: Gen3 x4 link (Physical x4, EEx4 (from PCH))*

*Only supported for E3C246D4U2-2L2T / E3C246D4U2-2T

PCIe 3.0 x1 Slot 7: Gen3 x1 link (Physical x1, EEx1 (from PCH))

Storage

SATA

Controller

E3C246D4U2-2L2T / E3C246D4U2-2T:

(1) 8 x SATA3 6Gb/s (SATA0-7, SATA_0 supports SATA

DOM)

(2) 7 x SATA3 6Gb/s (SATA1-7) and 1 x M.2 SSD SATA

connected*

*e M.2 slot (M2_1) is shared with the SATA_0 connector. When M2_1 is

populated with a M.2 SATA3 module, the Pin 7 of SATA_0 is disabled.

E3C242D4U2-2T:

(1) 6 x SATA3 6Gb/s (SATA0-5, SATA_0 supports SATA

DOM)

(2) 5 x SATA3 6Gb/s (SATA1-5) and 1 x M.2 SSD SATA

connected*

*e M.2 slot (M2_1) is shared with the SATA_0 connector. When M2_1 is

populated with a M.2 SATA3 module, the Pin 7 of SATA_0 is disabled.

E3C246D4U2-2L2T / E3C246D4U2-2T / E3C242D4U2-2T

2 3

English

Ethernet

Interface 10000/1000 /100 Mbps

LAN E3C246D4U2-2L2T:

- 2 x RJ45 GLAN by Intel® i210

- 2 x RJ45 10G base-T by Intel® X550-AT2

E3C242D4U2-2T / E3C246D4U2-2T:

- 2 x RJ45 10G base-T by Intel® X550-AT2

- 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 ASPEED AST2500

IPMI Dedicated

GLAN

1 x Realtek RTL8211E for dedicated management GLAN

Features - Watch Dog

- NMI

Graphics

Controller ASPEED AST2500

VRAM DDR4 16MB

Rear Panel I/O

VGA Port 1 x D-Sub

USB 3.1 Port 2 (Gen2), 2(Gen1)

HDMI Port E3C246D4U2-2L2T / E3C246D4U2-2T: 1

E3C242D4U2-2T: N/A

LAN Port E3C246D4U2-2L2T:

- 4 +1 RJ45 Gigabit Ethernet LAN ports

- LAN Ports with LED (ACT/LINK LED and SPEED LED)

E3C242D4U2-2T / E3C246D4U2-2T:

- 2 +1 RJ45 Gigabit Ethernet LAN ports

- LAN Ports with LED (ACT/LINK LED and SPEED LED)

UID Button/

LED

1

Serial port 1

Internal Connector

Auxiliary Panel

Header

1 (includes chassis intrusion, location button & LED, and

front LAN LED)

SATA DOM 1 (shared with M.2)

TPM Header 1

IPMB Header 1

4 5

English

Front Panel 1 (RST, PWRBTN, HDDLED, PWRLED)

Fan Header 6(1CPU/3Front/2Rear)

ATX Power 1x (24-pin) + 1x (8-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 (2230/2242/2260/2280, Supports PCIE3.0(X4)/SATA3)

ME/SPS

Recovery

1

BMC_SMB1 1

PSU_SMB1 1

SGPIO 2

ClearCMOS 1 (header and short pin)

OH/FanFail

LED

6 (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/PCH/DDR/LAN/Storage Temperature Sensing

- MB/Card side/TR1 Temperature Sensing

Fan - CPU/Rear/Front 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,

1.05V_PCH, +BAT, 3VSB, 5VSB

E3C246D4U2-2L2T / E3C246D4U2-2T / E3C242D4U2-2T

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 Windows® Hard-

ware Quality Lab (WHQL) certication tests. If you install the drivers only, it will pass the WHQL

tests.

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 convenient

BIOS update tool allows you to update system BIOS without entering operating 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.

E3C246D4U2-2L2T / E3C246D4U2-2T / E3C242D4U2-2T

6 7

English

1.4 Motherboard Layout

E3C246D4U2-2L2T / E3C246D4U2-2T

DDR3_B 1 (64 bit, 2 40-pin module )

DDR3_A1 (64 bit, 2 40-pin module )

24.4cm (9.6 in)

AT XPWR1

FRNT_F AN1

COM1

VGA1

BM C

CPU_F AN1

X550_LAN2

IPMI

LA N

DDR4_B 1 (64 bit, 2 88-pin module )

DDR4_B2 (64 bit, 2 88-pin module )

DDR3_B 1 (64 bit, 2 40-pin module )

DDR3_A1 (64 bit, 2 40-pin module )

DDR4_A1(64 bit, 2 88-pin module )

DDR4_A2 (64 bit, 2 88-pin module )

FRNT_F AN2

REAR_F AN2

PCIE 6

PCIE 7

PCIE 4

BA T1

1

PSU_SMB 1

AT X12V 1

1

SA TA_SGPIO1

1

SA TA_0

SA TA_1

1

USB3_1_2

SA TA _PWR 1

SA TA_2

SA TA_3

PANEL1

1

AUX_P ANEL1

HDLED RESE T

PLED PWRBT N

1

11

SPEAKER1

1

IPMB_1

BMC_SMB_1

1

NMI_BTN1

USB_1_2

1

PEG_CFG1

1

TPM1

1

PECI1

UID1

24.4cm (9.6 in)

Intel

C246

ME_RECOVER Y1

SA TA PWR1

BIOS

RO M

123 5 6

4

7

CHASSIS_ID 1

1

T 1

1

Supe r

I/O

R

NUT30_1

M2_1

NUT42_1 NUT60_1 NUT80_1

REAR_F AN1

8

9

10

11

13

14

37

RoHS

E3C246D4U2-2L2T /

E3C246D4U2-2 T

38

41

42

1

BMC_DIS1

FRNT_F AN3

SA TA_4

SA TA_5

CHASSIS_ID 0

1

CHASSIS_ID 1

1

CHASSIS_ID 2

1

SA TA_SGPIO2

1

BUZZER1

1

PWM_CFG1

X550_LAN1

12

15

16

17

18

19

20

21

22

23

24

25

28

29

30

32

33

34

35

36

39

40

31

US B 3. 1 Gen2

T: USB_1

B: USB_ 2

US B 3. 1 Gen1

T: USB_3

B: USB_4

PCIE 5

HDM I

SA TA_6

SA TA_7

27 26

I210_LAN1

I210_LAN2

(E3C246D4U2-2L2T only )

8 9

English

No. Description

1 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2, White)

2 Enable/Disable BMC Jumper (BMC_DIS1)

3 ME Recovery Jumper (ME_RECOVERY1)

4PSU SMBus (PSU_SMB1)

5 ATX Power Connector (ATXPWR1)

6 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1, Blue)

7 Front Fan Connector (FRNT_FAN1)

8 CPU Fan Connector (CPU_FAN1)

9 Front Fan Connector (FRNT_FAN2)

10 SATA3 DOM Connector (SATA_0), Red*

11 SATA3 Connector (SATA_1)

12 SATA DOM Power Jumper (SATAPWR1)

13 USB 3.0 Header (USB3_1_2)

14 SATA DOM Power Header (SATA_PWR1)

15 Front Fan Connector (FRNT_FAN3)

16 Chassis ID0 Jumper (CHASSIS_ID0)

17 Chassis ID1 Jumper (CHASSIS_ID1)

18 Chassis ID2 Jumper (CHASSIS_ID2)

19 PCI Express Graphics Conguration Jumper (PEG_CFG1)

20 SATA SGPIO Connector (SATA_SGPIO1)

21 SATA SGPIO Connector (SATA_SGPIO2)

22 SATA3 Connector (SATA_2)

23 SATA3 Connector (SATA_3)

24 SATA3 Connector (SATA_5)

25 SATA3 Connector (SATA_4)

26 SATA3 Connector (SATA_7)

27 SATA3 Connector (SATA_6)

28 USB 2.0 Header (USB_1_2)

29 Chassis Speaker Header (SPEAKER1)

30 TPM Header (TPM1)

31 ermal Sensor Header (TR1)

32 BMC SMBus Header (BMC_SMB_1)

33 Intelligent Platform Management Bus Header (IPMB_1)

E3C246D4U2-2L2T / E3C246D4U2-2T / E3C242D4U2-2T

8 9

English

No. Description

34 System Panel Header (PANEL1)

35 Auxiliary Panel Header (AUX_PANEL1)

36 Non Maskable Interrupt Button (NMI_BTN1)

37 M.2 Socket (M2_1) (Type 2230/2242/2260/2280)*

38 PWM Conguration Header (PWM_CFG1)

39 Rear Fan Connector (REAR_FAN2)

40 CPU PECI Mode Jumper (PECI1)

41 Rear Fan Connector (REAR_FAN1)

42 ATX 12V Power Connector (ATX12V1)

*e M.2 slot (M2_1) is shared with the SATA_0 connector. When M2_1 is populated with a M.2 SATA3 mod-

ule, the Pin 7 of SATA_0 is disabled.

10 11

English

E3C242D4U2-2T

DDR3_B1 (64 bit, 240-pin module)

DDR3_A1 (64 bit, 240-pin module)

24.4cm (9.6 in)

ATXPWR1

FRNT_FAN1

COM1

VGA1

BMC

CPU_FAN1

IPMI

LAN

DDR4_B1 (64 bit, 288-pin module)

DDR4_B2 (64 bit, 288-pin module)

DDR3_B1 (64 bit, 240-pin module)

DDR3_A1 (64 bit, 240-pin module)

DDR4_A1(64 bit, 288-pin module)

DDR4_A2 (64 bit, 288-pin module)

FRNT_FAN2

REAR_FAN2

PCIE6

PCIE7

PCIE4

BAT1

1

PSU_SMB1

ATX12V1

1

SATA_SGPIO1

1

SATA_0

SATA_1

1

USB3_1_2

SATA_PWR1

SATA_2

SATA_3

PANEL1

1

AUX_PANEL1

HDLED RESET

PLED PWRBTN

1

11

SPEAKER1

1

IPMB_1

BMC_SMB_1

1

NMI_BTN1

PEG_CFG1

1

TPM1

1

PECI1

UID1

24.4cm (9.6 in)

Intel

C242

ME_RECOVERY1

SATAPWR1

BIOS

ROM

123 5 6

4

7

CHASSIS_ID1

1

T 1

1

Super

I/O

R

REAR_FAN1

8

9

10

11

13

14

35

E3C242D4U2-2T

36

39

40

1

BMC_DIS1

FRNT_FAN3

SATA_4

SATA_5

CHASSIS_ID0

1

CHASSIS_ID1

1

CHASSIS_ID2

1

SATA_SGPIO2

1

BUZZER1

1

PWM_CFG1

12

15

16

17

18

19

20

21

22

2324

25

26

27

28

30

31

32

33

34

37

38

29

USB 3.1 Gen2

T: USB_1

B: USB_2

USB 3.1 Gen1

T: USB_3

B: USB_4

NUT30_1

M2_1

NUT42_1 NUT60_1 NUT80_1

USB_1_2

1

X550_LAN2

X550_LAN1

E3C246D4U2-2L2T / E3C246D4U2-2T / E3C242D4U2-2T

10 11

English

No. Description

1 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2, White)

2 Enable/Disable BMC Jumper (BMC_DIS1)

3 ME Recovery Jumper (ME_RECOVERY1)

4PSU SMBus (PSU_SMB1)

5 ATX Power Connector (ATXPWR1)

6 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1, Blue)

7 Front Fan Connector (FRNT_FAN1)

8 CPU Fan Connector (CPU_FAN1)

9 Front Fan Connector (FRNT_FAN2)

10 SATA3 DOM Connector (SATA_0), Red*

11 SATA3 Connector (SATA_1)

12 SATA DOM Power Jumper (SATAPWR1)

13 USB 3.0 Header (USB3_1_2)

14 SATA DOM Power Header (SATA_PWR1)

15 Front Fan Connector (FRNT_FAN3)

16 Chassis ID0 Jumper (CHASSIS_ID0)

17 Chassis ID1 Jumper (CHASSIS_ID1)

18 Chassis ID2 Jumper (CHASSIS_ID2)

19 PCI Express Graphics Conguration Jumper (PEG_CFG1)

20 SATA SGPIO Connector (SATA_SGPIO1)

21 SATA SGPIO Connector (SATA_SGPIO2)

22 SATA3 Connector (SATA_2)

23 SATA3 Connector (SATA_3)

24 SATA3 Connector (SATA_5)

25 SATA3 Connector (SATA_4)

26 USB 2.0 Header (USB_1_2)

27 Chassis Speaker Header (SPEAKER1)

28 TPM Header (TPM1)

29 ermal Sensor Header (TR1)

30 BMC SMBus Header (BMC_SMB_1)

31 Intelligent Platform Management Bus Header (IPMB_1)

32 System Panel Header (PANEL1)

33 Auxiliary Panel Header (AUX_PANEL1)

12 13

English

No. Description

34 Non Maskable Interrupt Button (NMI_BTN1)

35 M.2 Socket (M2_1) (Type 2230/2242/2260/2280)*

36 PWM Conguration Header (PWM_CFG1)

37 Rear Fan Connector (REAR_FAN2)

38 CPU PECI Mode Jumper (PECI1)

39 Rear Fan Connector (REAR_FAN1)

40 ATX 12V Power Connector (ATX12V1)

*e M.2 slot (M2_1) is shared with the SATA_0 connector. When M2_1 is populated with a M.2 SATA3 mod-

ule, the Pin 7 of SATA_0 is disabled.

E3C246D4U2-2L2T / E3C246D4U2-2T / E3C242D4U2-2T

12 13

English

1.5 Onboard LED Indicators

DDR3_B1 (64 bit, 240-pin module)

DDR3_A1 (64 bit, 240-pin module)

ATXPWR1

FRNT_FAN1

COM1

VGA1

BMC

CPU_FAN1

USB 3.1 Gen2

T: USB_1

B: USB_2

USB 3.1 Gen1

T: USB_3

B: USB_4

IPMI

LAN

DDR4_B1 (64 bit, 288-pin module)

DDR4_B2 (64 bit, 288-pin module)

DDR3_B1 (64 bit, 240-pin module)

DDR3_A1 (64 bit, 240-pin module)

DDR4_A1(64 bit, 288-pin module)

DDR4_A2 (64 bit, 288-pin module)

FRNT_FAN2

REAR_FAN2

PCIE6

PCIE7

PCIE4

1

SATA_SGPIO1

1

HDLED RESET

PLED PWRBTN

1

11

1

UID1

Intel

C242

1

Super

I/O

NUT30_1

M2_1

NUT42_1 NUT60_1 NUT80_1

REAR_FAN1

RoHS

E3C242D4U2-2T

1

FRNT_FAN3

1

11

1

SATA_SGPIO2

1

BUZZER1

1

2

3

4

5

6

7

8

X550_LAN2

X550_LAN1

14 15

English

No. Item Status Description

1 SB_PWR1 Green STB PWR ready

2FRNT_FAN1_LED1 Amber FRNT_FAN1 failed

3CPU_FAN1_LED1 Amber CPU_FAN1 failed

4FRNT_FAN2_LED2 Amber FRNT_FAN2 failed

5FRNT_FAN3_LED3 Amber FRNT_FAN3 failed

6REAR_FAN2_LED2 Amber REAR_FAN2 failed

7REAR_FAN1_LED1 Amber REAR_FAN1 failed

8BMC_LED1 Green BMC heartbeat LED

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ASRock Rack E3C246D4U2-2L2T User manual

ASRock Rack E3C246D4U2-2L2T User manual

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