Supermicro X11DSC+ User manual

USER’S MANUAL

Revision 1.0a

X11DSC+

The information in this User’s Manual has been carefully reviewed and is believed to be accurate. The vendor assumes

no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update

or to keep current the information in this manual, or to notify any person or organization of the updates. Please Note:

For the most up-to-date version of this manual, please see our website at www.supermicro.com.

Super Micro Computer, Inc. ("Supermicro") reserves the right to make changes to the product described in this manual

at any time and without notice. This product, including software and documentation, is the property of Supermicro and/

or its licensors, and is supplied only under a license. Any use or reproduction of this product is not allowed, except

as expressly permitted by the terms of said license.

IN NO EVENT WILL Super Micro Computer, Inc. BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,

SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO USE THIS PRODUCT

OR DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN PARTICULAR, SUPER

MICRO COMPUTER, INC. SHALL NOT HAVE LIABILITY FOR ANY HARDWARE, SOFTWARE, OR DATA STORED

OR USED WITH THE PRODUCT, INCLUDING THE COSTS OF REPAIRING, REPLACING, INTEGRATING,

INSTALLING OR RECOVERING SUCH HARDWARE, SOFTWARE, OR DATA.

Any disputes arising between manufacturer and customer shall be governed by the laws of Santa Clara County in the

State of California, USA. The State of California, County of Santa Clara shall be the exclusive venue for the resolution

of any such disputes. Supermicro's total liability for all claims will not exceed the price paid for the hardware product.

FCC Statement: This equipment has been tested and found to comply with the limits for a Class A digital device

pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful

interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in accordance with the manufacturer’s instruction manual,

may cause harmful interference with radio communications. Operation of this equipment in a residential area is likely

to cause harmful interference, in which case you will be required to correct the interference at your own expense.

California Best Management Practices Regulations for Perchlorate Materials: This Perchlorate warning applies only

to products containing CR (Manganese Dioxide) Lithium coin cells. “Perchlorate Material-special handling may apply.

See www.dtsc.ca.gov/hazardouswaste/perchlorate”.

The products sold by Supermicro are not intended for and will not be used in life support systems, medical equipment,

nuclear facilities or systems, aircraft, aircraft devices, aircraft/emergency communication devices or other critical

systems whose failure to perform be reasonably expected to result in signicant injury or loss of life or catastrophic

property damage. Accordingly, Supermicro disclaims any and all liability, and should buyer use or sell such products

for use in such ultra-hazardous applications, it does so entirely at its own risk. Furthermore, buyer agrees to fully

indemnify, defend and hold Supermicro harmless for and against any and all claims, demands, actions, litigation, and

proceedings of any kind arising out of or related to such ultra-hazardous use or sale.

Manual Revision 1.0a

Release Date: October 15, 2018

Unless you request and receive written permission from Super Micro Computer, Inc., you may not copy any part of this

document. Information in this document is subject to change without notice. Other products and companies referred

to herein are trademarks or registered trademarks of their respective companies or mark holders.

Printed in the United States of America

WARNING: This product can expose you to chemicals including

lead, known to the State of California to cause cancer and birth

defects or other reproductive harm. For more information, go

to www.P65Warnings.ca.gov.

!

3

Preface

About This Manual

This manual is written for system integrators, IT technicians, and knowledgeable end users.

It provides information for the installation and use of the X11DSC+ motherboard.

About This Motherboard

The Super X11DSC+ motherboard supports dual Intel® Xeon® Scalable processors in

Socket P type with a TDP (Thermal Design Power) of up to 205W and three UPI (Ultra Path

Interconnect) links of up to 10.4 GT/s (Note below). With the Intel® C621 PCH built-in (Note

2), this motherboard supports two PCI-E 3.0 x16 slots, one PCI-E 3.0 x8 slot, one PCI-E

3.0 x16 in SIOM slot, one PCI-E 3.0 (x8 + x8) slot for SAS3 AOM slot, four PCI-E 3.0x4 for

NVMe in Oculink connector, four SATA 3.0 connections (two SATA3 and two SuperDOM ports),

and 3DS LRDIMM/RDIMM, NVDIMM DDR4 ECC of up to 2666 MHz memory in 24 memory

slots. The X11DSC+ provides maximum performance, system cooling, and PCI-E capacity

currently available on the market. This motherboard is ideal for high-end, high-performance

enterprise storage, database storage, and virtualization server platforms. Please note that

this motherboard is intended to be installed and serviced by professional technicians only.

For processor/memory updates, please refer to our website at http://www.supermicro.com/

products/.

Notes: 1. UPI/Memory speeds/Max. memory support are dependent on the processors

installed in your system. 2. The X11DSC+ supports Intel® C621.

Manual Organization

Chapter 1 describes the features, specications and performance of the motherboard, and

provides detailed information on the C621 chipset.

Chapter 2 provides hardware installation instructions. Read this chapter when installing the

processor, memory modules, and other hardware components into the system.

If you encounter any problems, see Chapter 3, which describes troubleshooting procedures

for video, memory, and system setup stored in the CMOS.

Chapter 4 includes an introduction to the BIOS, and provides detailed information on running

the CMOS Setup utility.

Appendix A provides BIOS Error Beep Codes.

Appendix B lists software program installation instructions.

Appendix C lists standardized warning statements in various languages.

Appendix D provides UEFI BIOS Recovery instructions.

4

Super X11DSC+ User's Manual

Appendix E explains Intel® VROC RAID settings.

Appendix F describes secure boot settings.

Appendix G states iSCSI settings.

5

Preface

Contacting Supermicro

Headquarters

Address: Super Micro Computer, Inc.

980 Rock Ave.

San Jose, CA 95131 U.S.A.

Tel: +1 (408) 503-8000

Fax: +1 (408) 503-8008

Email: [email protected] (General Information)

[email protected] (Technical Support)

Website: www.supermicro.com

Europe

Address: Super Micro Computer B.V.

Het Sterrenbeeld 28, 5215 ML

's-Hertogenbosch, The Netherlands

Tel: +31 (0) 73-6400390

Fax: +31 (0) 73-6416525

Email: [email protected] (General Information)

[email protected] (Technical Support)

[email protected] (Customer Support)

Website: www.supermicro.nl

Asia-Pacic

Address: Super Micro Computer, Inc.

3F, No. 150, Jian 1st Rd.

Zhonghe Dist., New Taipei City 235

Taiwan (R.O.C)

Tel: +886-(2) 8226-3990

Fax: +886-(2) 8226-3992

Email: [email protected]

Website: www.supermicro.com.tw

6

Table of Contents

Chapter 1 Introduction

1.1 Overview ...............................................................................................................................9

Quick Reference Table ......................................................................................................12

Motherboard Features .......................................................................................................14

1.2 Processor and Chipset Overview .......................................................................................18

1.3 Special Features ................................................................................................................19

Recovery from AC Power Loss .........................................................................................19

1.4 System Health Monitoring ..................................................................................................19

Onboard Voltage Monitors ................................................................................................19

Fan Status Monitor with Firmware Control .......................................................................19

Environmental Temperature Control .................................................................................19

System Resource Alert......................................................................................................20

1.5 ACPI Features ....................................................................................................................20

1.6 Power Supply .....................................................................................................................20

1.7 Super I/O ............................................................................................................................20

1.8 Advanced Power Management ..........................................................................................21

Intel

®

Intelligent Power Node Manager (IPNM).................................................................21

Management Engine (ME) ................................................................................................21

1.9 Introduction to the AOM-S3108M-H8L Mezzanine Card (Optional) ...................................22

1.10 Introduction to the AOC-MTG-i4S SIOM Card (Optional) ................................................23

Chapter 2 Installation

2.1 Static-Sensitive Devices .....................................................................................................24

Precautions .......................................................................................................................24

Unpacking .........................................................................................................................24

2.2 Motherboard Installation .....................................................................................................25

Tools Needed ....................................................................................................................25

Location of Mounting Holes ..............................................................................................25

Installing the Motherboard.................................................................................................26

2.3 Processor and Heatsink Installation ...................................................................................27

The Intel® Xeon® Scalable Series Processors ................................................................27

Overview of the Processor Socket Assembly ...................................................................28

Overview of the Processor Heatsink Module (PHM) ........................................................29

Super X11DSC+ User's Manual

7

Attaching the Processor to the Narrow Processor Clip to Create the Processor Package

Assembly ...........................................................................................................................30

Attaching the Processor Package Assembly to the Heatsink to Form the Processor

Heatsink Module (PHM) ....................................................................................................31

Preparing the CPU Socket for Installation ........................................................................32

Removing the Dust Cover from the CPU Socket .............................................................32

Installing the Processor Heatsink Module (PHM) ............................................................33

Removing the Processor Heatsink Module (PHM) from the Motherboard .......................34

2.4 Memory Support and Installation .......................................................................................35

Memory Support ................................................................................................................35

DIMM Module Population Conguration ...........................................................................35

DIMM Population Requirements for the Intel® 81xx/61xx/51xx/41xx/31xx Series

Processors ........................................................................................................................36

DIMM Installation ..............................................................................................................38

DIMM Removal .................................................................................................................38

2.5 Mezzanine Card Installation (Optional) ..............................................................................39

2.6 Rear I/O Ports ....................................................................................................................41

2.7 Front Control Panel ............................................................................................................45

2.8 Connectors .........................................................................................................................50

Power Connector ..............................................................................................................50

Headers .............................................................................................................................52

2.9 Jumper Settings .................................................................................................................61

How Jumpers Work ...........................................................................................................61

2.10 LED Indicators ...................................................................................................................65

Chapter 3 Troubleshooting

3.1 Troubleshooting Procedures ..............................................................................................69

3.2 Technical Support Procedures ...........................................................................................73

3.3 Frequently Asked Questions ..............................................................................................74

3.4 Battery Removal and Installation .......................................................................................75

3.5 Returning Merchandise for Service ....................................................................................76

Chapter 4 BIOS

4.1 Introduction .........................................................................................................................77

4.2 Main Setup .........................................................................................................................78

4.3 Advanced Setup Congurations .........................................................................................80

Table of Contents

8

4.4 Event Logs .......................................................................................................................112

4.5 IPMI ..................................................................................................................................114

4.6 Security .............................................................................................................................117

4.7 Boot ..................................................................................................................................120

4.8 Save & Exit .......................................................................................................................123

Appendix A BIOS Codes

A.1 BIOS Error POST (Beep) Codes .....................................................................................125

Appendix B Software Installation

B.1 Installing Software Programs ...........................................................................................127

B.2 SuperDoctor

®

5 .................................................................................................................128

Appendix C Standardized Warning Statements

Appendix D UEFI BIOS Recovery

D.1 Overview ...........................................................................................................................132

D.2 Recovering the UEFI BIOS Image ...................................................................................132

D.3 Recovering the Main BIOS Block with a USB Device .....................................................133

Appendix E Conguring VROC RAID Settings

E.1 All Intel® VMD Controllers Features ................................................................................137

E.2 Conguring RAID Settings ...............................................................................................140

E.3 Use of Journal Disk ..........................................................................................................153

Appendix F Secure Boot Settings

F.1 Boot mode select Feature ................................................................................................157

F.2 Secure Boot/ Secure Boot Mode/ CSM Support Features ..............................................158

F.3 Secure Boot Settings .......................................................................................................159

F.4 Key Management Settings ...............................................................................................162

Appendix G Conguring iSCSI Settings

G.1 PCIe/PCI/PnP Features ....................................................................................................173

G.2 Conguring iSCSI Settings ...............................................................................................176

Super X11DSC+ User's Manual

9

Chapter 1: Introduction

Chapter 1

Introduction

Congratulations on purchasing your computer motherboard from an industry leader.

Supermicro motherboards are designed to provide you with the highest standards in quality

and performance.

1.1 Overview

This motherboard was designed to be used with a Supermicro-proprietary chassis as an

integrated server platform. It is not to be used as a stand-alone product and will not be

shipped independently in a retail box. No motherboard shipping package will be provided in

your shipment.

Important Links

For your system to work properly, please follow the links below to download all necessary

drivers/utilities and the user’s manual for your server.

• Supermicro product manuals: http://www.supermicro.com/support/manuals/

• Product drivers and utilities: http://www.supermicro.com/wftp

• Product safety info: http://www.supermicro.com/about/policies/safety_information.cfm

• If you have any questions, please contact our support team at: [email protected]m

This manual may be periodically updated without notice. Please check the Supermicro website

for possible updates to the manual revision level.

10

Super X11DSC+ User's Manual

Figure 1-1. X11DSC+ Motherboard Image

Note: All graphics shown in this manual were based upon the latest PCB revision

available at the time of publication of the manual. The motherboard you received may

or may not look exactly the same as the graphics shown in this manual.

11

Chapter 1: Introduction

+

1

X11DSC+

REV:1.00

DESIGNED IN USA

BIOS

LICENSE

LAN

CTRL

JSDCARD1

JUIDB1

(UID)

UID-LED

JPI2C1

JPWR2

JPWR1

P1_NVMe3

P1_NVMe2

P1_NVMe0

P1_NVMe1

JNVME0

JNVME1

JNVME2

JNVME3

P2_LED_C1

P2_LED_E2

P2_LED_D2

P2_LED_D1

P2_LED_B2

P2_LED_A1

P2_LED_A2

P2_LED_C2

P2_LED_B1

P1_LED_B1

P1_LED_C2

P1_LED_C1

P2_LED_F2

P2_LED_F1

P2_LED_E1

P1_LED_D2

P1_LED_A2

P1_LED_A1

P1_LED_B2

P1_LED_F1

P1_LED_F2

P1_LED_E2

P1_LED_E1

P1_LED_D1

JP2

FAN3

FAN1

FAN2

HDD_LED1

SP1

JVRM_SEL1

JWD1

JPME2

JF1

JNVI2C2

JIPMB1

JSD2

JSD1

I-SATA2

I-SATA3

JI2C_FP1

LEDBMC

I-SATA1

I-SATA0

USB2 (3.0)

FAN5 FAN4

JI2C_EXP2

JI2C_EXP1

I-SGPIO1

JSEN1

JRK1

JTPM1

JL1

JSTBY1

JPWR3

BMC

JNVI2C1

CPU2_MEMORY_LED CPU1_MEMORY_LED

LEDPWR

P2-DIMMC2

P2-DIMMC1

P2-DIMMB2

P2-DIMMB1

P2-DIMMA2

P2-DIMMA1

P2-DIMMD2

P2-DIMMD1

P2-DIMME2

P2-DIMME1

P2-DIMMF2

P2-DIMMF1

P1-DIMMC2

P1-DIMMC1

P1-DIMMB2

P1-DIMMB1

P1-DIMMA1

P1-DIMMA2

P1-DIMMD1

P1-DIMMD2

P1-DIMME1

P1-DIMME2

P1-DIMMF1

P1-DIMMF2

BAR CODE

IPMI CODE

CPU2

CPU1

COM1VGA

IPMI_LAN

USB 0/1 (3.0)

CPU1 SIOM PCI-E 3.0 x16

JBAT1

JBT1

CPU1 JMEZZ1 PCIE-E 3.0 x8

CPU1 JMEZZ2 PCIE-E 3.0 x8

PCH

CPU2 SLOT3 PCI-E 3.0 x16

CPU2 SLOT2 PCI-E 3.0 x16

CPU2 SLOT1 PCI-E 3.0 x8

Figure 1-2. X11DSC+ Motherboard Layout

(not drawn to scale)

Notes:

• See Chapter 2 for detailed information on jumpers, I/O ports, and JF1 front panel con-

nections.

• " " indicates the location of Pin 1.

• Jumpers/components/LED indicators not indicated are used for internal testing only.

• Use only the correct type of onboard CMOS battery as specied by the manufacturer. Do

not install the onboard battery upside down to avoid possible explosion.

• To avoid causing interference with other components, please be sure to use an add-on

card that is fully compliant with the PCI-standard on a PCI slot.

12

Super X11DSC+ User's Manual

Quick Reference Table

Jumper Description Default Setting

JBT1 CMOS Clear Open (Normal)

JPME2 Manufacturing Mode Select Pins 1-2 (Normal)

JWD1 Watch Dog Timer Enable Pins 1-2 (Enabled, Reset)

Connector Description

COM1 Backpanel COM Port

FAN1-5 System Cooling Fan Headers

IPMI_LAN Dedicated IPMI_LAN Port

I-SATA0-3 SATA 3.0 Connection Header Supported by the Intel® PCH

I-SATA2/I-SATA3

I-SATA Ports with built-in power pins and with support of Supermicro SuperDOM (Disk On Module)

devices

I-SGPIO1 Serial Link General Purpose I/O Header

JBAT1 Onboard CMOS Battery Socket

JF1 Front Control Panel Header

JI2C_EXP1/2 System Management Bus (SMBus) I2C for SAS3 Backplanes

JI2C_FP1 System Management Bus (SMBus) I2C for LCD Devices

JIPMB1 4-pin BMC External I

2

C Header (for an IPMI-supported card)

JL1 Chassis Intrusion Header

(CPU1) JMEZZ1/JMEZZ2

PCI-E

PCI-Express 3.0 x8 Add-On-Module (AOM) slot from CPU1 for mezzanine card support (See the

note below)

JNVI

2

C1/JNVI

2

C2

NVMe SMBus (I

2

C) headers used for PCI-E hot-plug SMBus clock & data connections (an SMCI-

proprietary NVMe add-on card and cable are required; available for a Supermicro complete system

only)

JPI

2

C1 Power Supply SMBus I

2

C Header

JPWR2/JPWR3 8-pin Power Supply Connectors

JPWR1 24-pin ATX Main Power Supply Connector

JRK1 Intel® RAID Key Header for NVMe SSD

JSD1/JSD2 SATA DOM Power Connectors 1/2

JSDCARD1 Micro SSD (Solid State Drive) Card Slot (reserved for manufacture use only)

JSEN1 Inlet Sensor Header

JSTBY1 Standby Power Header

JTPM1 Trusted Platform Module (TPM)/Port 80 Connector

P1_NVMe0-3 NVM Express PCI-E 3.0 x4 ports (ports 0-3) supported by CPU1

Note 1: For SAS support, be sure to use an SMC-proprietary mezzanine card. Install

the mezzanine card (AOM-S3108M-H8L) with the LSI 3108 controller built-in on the

(CPU1) JMEZZ1 PCI-E slot for SAS 3.0 support. Refer to Section 1-9 and Section 2-5

for more information.

Note 2: To avoid causing interference with other components, please be sure to use

an add-on card that is fully compliant with the PCI-standard on a PCI slot.

13

Chapter 1: Introduction

Connector Description

(CPU1) SIOM PCI-E PCI-Express 3.0 x16 slot from CPU1 for SMCI SIOM add-on module support

(CPU2) SLOT1 PCI-Express 3.0 x8 Slot supported by CPU2

(CPU2) SLOT2/SLOT3 PCI-Express 3.0 x16 Slots supported by CPU2

SP1 Internal Speaker/Buzzer

UID Unit Identier (UID) Switch

USB0/1 Backpanel USB 3.0 Ports

USB2 Type A USB 3.0 Header

VGA VGA Port

LED Description Status

HDD_LED1 HDD LED Green: On: HDD Normal

LEDBMC BMC Heartbeat LED Blinking Green: BMC normal

LEDPWR Onboard Power LED On: Onboard power on

UID-LED UID (Unit Identier) LED Solid Blue: Unit identied

Memory LED Description Status

P1_LED_A1 CPU1_Memory_Fault_LED for DIMMs A1 Red On: Memory Failure

P1_LED_A2 CPU1_Memory_Fault_LED for DIMMs A2 Red On: Memory Failure

P1_LED_B1 CPU1_Memory_Fault_LED for DIMMs B1 Red On: Memory Failure

P1_LED_B2 CPU1_Memory_Fault_LED for DIMMs B2 Red On: Memory Failure

P1_LED_C1 CPU1_Memory_Fault_LED for DIMMs C1 Red On: Memory Failure

P1_LED_C2 CPU1_Memory_Fault_LED for DIMMs C2 Red On: Memory Failure

P1_LED_D1 CPU1_Memory_Fault_LED for DIMMs D1 Red On: Memory Failure

P1_LED_D2 CPU1_Memory_Fault_LED for DIMMs D2 Red On: Memory Failure

P1_LED_E1 CPU1_Memory_Fault_LED for DIMMs E1 Red On: Memory Failure

P1_LED_E2 CPU1_Memory_Fault_LED for DIMMs E2 Red On: Memory Failure

P1_LED_F1 CPU1_Memory_Fault_LED for DIMMs F1 Red On: Memory Failure

P1_LED_F2 CPU1_Memory_Fault_LED for DIMMs F2 Red On: Memory Failure

P2_LED_A1 CPU2_Memory_Fault_LED for DIMMs A1 Red On: Memory Failure

P2_LED_A2 CPU2_Memory_Fault_LED for DIMMs A2 Red On: Memory Failure

P2_LED_B1 CPU2_Memory_Fault_LED for DIMMs B1 Red On: Memory Failure

P2_LED_B2 CPU2_Memory_Fault_LED for DIMMs B2 Red On: Memory Failure

P2_LED_C1 CPU2_Memory_Fault_LED for DIMMs C1 Red On: Memory Failure

P2_LED_C2 CPU2_Memory_Fault_LED for DIMMs C2 Red On: Memory Failure

P2_LED_D1 CPU2_Memory_Fault_LED for DIMMs D1 Red On: Memory Failure

P2_LED_D2 CPU2_Memory_Fault_LED for DIMMs D2 Red On: Memory Failure

P2_LED_E1 CPU2_Memory_Fault_LED for DIMMs E1 Red On: Memory Failure

P2_LED_E2 CPU2_Memory_Fault_LED for DIMMs E2 Red On: Memory Failure

P2_LED_F1 CPU2_Memory_Fault_LED for DIMMs F1 Red On: Memory Failure

P2_LED_F2 CPU2_Memory_Fault_LED for DIMMs F2 Red On: Memory Failure

14

Super X11DSC+ User's Manual

Motherboard Features

CPU

• This motherboard supports dual Intel® Xeon® Scalable (Socket P) processors which offer three Intel

®

UltraPath

Interconnect (UPI) of up to 10.4 GT/s

Note: Both CPUs need to be installed for full access to the PCI-E slots, DIMM slots, and onboard controllers. Refer

to the block diagram on page 18 to determine which slots or devices may be affected.

Memory

• Integrated memory controller embedded in the processor supports up to 3TB of 3DS Load Reduced DIMM (3DS LRDIMM),

3DS Registered DIMM (3DS RDIMM), Non-Volatile DIMM (NVDIMM) DDR4 (288-pin) ECC of up to 2666 MHz modules

in 24 slots

DIMM Size

• Up to 128GB at 1.2V

Note 1: Memory speed and maximum memory support depend on the processors used in the system.

Note 2: For the latest CPU/memory updates, please refer to our website at http://www.supermicro.com/products/

motherboard.

Chipset

• Intel® C621 for X11DSC+

Expansion Slots

• One (1) PCI-E 3.0 x16 SIOM networking slot supported by CPU1

• One (1) PCI-E 3.0 x8+x8 SAS3 AOM slot for mezzanine card supported by CPU1

• One (1) PCI-E 3.0 x8 slot supported by CPU2 (CPU2 Slot1)

• Two (2) PCI-E 3.0 x16 slots supported by CPU2 (CPU2 Slot2/CPU2 Slot3)

BaseBoard Management Controller (BMC)

• ASPEED AST2500 Baseboard Controller (BMC) supports IPMI 2.0

• One (1) Dedicated IPMI LAN located on the I/O backpanel

Graphics

• Graphics controller via AST2500 BMC (BaseBoard Management Controller)

Network Connection

• One IPMI-dedicated LAN supported by the AST2500 BMC

I/O Devices

• Serial (COM) Port • One (1) Fast UART 16550 port on the I/O backpanel

• SATA 3.0

• Four (4) SATA 3.0 ports supported by Intel® PCH (I-SATA 0-3)

• Two (2) of the four SATA 3.0 ports with power-pins built-in, w/support of

Supermicro SuperDOM (I-SATA2/I-SATA3)

• RAID (PCH) • RAID 0, 1, 5, and 10

Motherboard Features

15

Chapter 1: Introduction

Motherboard Features

Peripheral Devices

• Two (2) USB 3.0 ports on the I/O backpanel (USB 0/1)

• One (1) Type A USB 3.0 connector for front access (USB2)

BIOS

• 32 MB SPI AMI BIOS

®

SM Flash UEFI BIOS

• ACPI 3.0/4.0, USB keyboard, Plug-and-Play (PnP), SPI dual/quad speed support, riser-card auto detection support, and

SMBIOS 2.7 or later

Power Management

• Main switch override mechanism

• Power-on mode for AC power recovery

• Intel® Intelligent Power Node Manager 4.0 (available when the Supermicro Power Manager [SPM] is installed and a

special power supply is used)

• Management Engine (ME)

System Health Monitoring

• Onboard voltage monitoring for +3.3V, 3.3V standby, +5V, +5V standby, +12V, CPU core, memory, chipset, PCH, and

battery voltages

• CPU System LED and control

• CPU Thermal Trip support

• Status monitor for speed control

• Status monitor for on/off control

• CPU Thermal Design Power (TDP) support of up to 205W (See Note 1 on next page.)

Fan Control

• Fan status monitoring via IPMI connections

• Single cooling zone

• Multi-speed fan control via onboard BMC

• Pulse Width Modulation (PWM) fan control

System Management

• Trusted Platform Module (TPM) support

• PECI (Platform Environment Control Interface) 2.0 support

• UID (Unit Identication)/Remote UID

• System resource alert via SuperDoctor® 5

• SuperDoctor® 5, Watch Dog, NMI

• Chassis intrusion header and detection

LED Indicators

• CPU/system Overheating

• Power Indicator

• Fan Failure

• UID/remote UID

• LAN activity

• HDD activity

16

Super X11DSC+ User's Manual

Motherboard Features

Dimensions

• 11" (L) x 16.9" (W) (279.4 mm x 429.3 mm)

Note 1: The CPU maximum thermal design power (TDP) is subject to chassis and

heatsink cooling restrictions. For proper thermal management, please check the chas-

sis and heatsink specications for proper CPU TDP sizing.

Note 2: For IPMI conguration instructions, please refer to the Embedded IPMI Con-

guration User's Guide available at http://www.supermicro.com/support/manuals/.

Note 3: It is strongly recommended that you change BMC log-in information upon ini-

tial system power-on. The manufacture default username is ADMIN and the password

is ADMIN. For proper BMC conguration, please refer to http://www.supermicro.com.

17

Chapter 1: Introduction

Note: This is a general block diagram and may not exactly represent the features on

your motherboard. See the previous pages for the actual specications of your moth-

erboard.

Figure 1-3.

C621 System Block Diagram

VR13

5+1 PHASE

205W

VCCP1&2 12V

Slot 1

JPCIE1

PCIE 3.0 x8

x8

16GB/s

32GB/s

x16

Slot 3

JPCIE3

PCIE 3.0 x16

Slot 2

JPCIE2

PCIE 3.0 x16

32GB/s

x16

PE2 PE1 DMIPE3

P2 P1 P0

CPU 2

P2 P0

DMIPE3 PE1 PE2

P1

CPU 1

J

H

G

K

L

M

A

B

C

D

E

F

DDR4 DIMM

#2

#1

DDR4 DIMM

#2

#1

DDR4 DIMM

#2

#1

#2

DDR4 DIMM

#1

#2

DDR4 DIMM

#1

#2

DDR4 DIMM

UPI

10.4G

Polarity Inversion

DDR4 DIMM

#2

#1

DDR4 DIMM

#2

#1

DDR4 DIMM

#2

#1

#2

DDR4 DIMM

#1

#2

DDR4 DIMM

#1

#2

DDR4 DIMM

8GB/s

32GB/s

x16

32GB/s

x16

32GB/s

x16

I-SATA-0~3

SATA CONN

DMI

PET [4,5,6,7]

USB2.0 [7] ESPI

PET9

sSATA Gen3 [4..5]

SPI

PCH

SATA Gen3 [0..3]

USB3.0 [1..3]

USB2.0 [1..3]

SATA Gen3 [4..7]

PET [0,1,2,3]

HD LINK

port 1,2(USB3.0)

+

port 1,2(USB2.0)

REAR

TYPE A

port 3(USB3.0)

+

port 3(USB2.0)

PHY

RTL8211F

IPMI LAN

RJ45

COM1

BMC

AST2500

HWM

SPI FLASH

32MB BMC

DDR4

VGA

BMC SPI

MUX

PCH SPI

SPI FLASH

32MB BIOS

TPM Header

x4

NVMe#0

PCIE 3.0x4

NVMe#1

PCIE 3.0x4

NVMe#2

PCIE 3.0x4

NVMe#3

PCIE 3.0x4

SIOM Slot

NC-SI(RMII)

SIOM Slot

PCIE 3.0 x16

AOM Slot

PCIE 3.0 x16

18

Super X11DSC+ User's Manual

1.2 Processor and Chipset Overview

Built upon the functionality and capability of the Intel® Xeon® Scalable processors (Socket P)

and the C621 chipset (Note below), this motherboard provides superb system performance,

efcient power management, and a rich feature set based on cutting edge technology to

address the needs of next-generation computer users. With support of Intel® UltraPath

Interconnect (UPI) of up to 10.4 GT/s, and Intel® AVX-512 new instructions, this motherboard

drastically increases system performance for a multitude of server applications.

The Intel® Xeon® Scalable processor and the C621 chipset support the following features:

• Intel® AVX-512 support

• Memory bandwidth increase to 6 channels (x1.5 from the previous generation)

• High availability interconnect between multiple nodes

• Rich set of available IOs, full exibility in usage model, and software stack

• Dedicated subsystems for customer innovation

• Increased platform security with Intel® Boot Guard for hardware-based boot integrity pro-

tection; prevention of buffer overow class security threads

• Integrated solution for real-time compression, streaming write & read performance in-

creases from gen-to-gen

• Hot plug and enclosure management with Intel® Volume Management Device (Intel® VMD)

• Single standard server development (Accelerate NFV transition) consolidating application,

control, and data plane workloads, reducing total platform investment needs

Note: The X11DSC+ supports Intel® C621.

19

Chapter 1: Introduction

1.3 Special Features

This section describes the health monitoring features of the X11DSC+ motherboard. The

motherboard has an onboard ASPEED AST2500 Baseboard Management Controller (BMC)

that supports system health monitoring.

Recovery from AC Power Loss

The Basic I/O System (BIOS) provides a setting that determines how the system will respond

when AC power is lost and then restored to the system. You can choose for the system to

remain powered off (in which case you must press the power switch to turn it back on), or

for it to automatically return to the power-on state. See the Advanced BIOS Setup section

for this setting. The default setting is Last State.

1.4 System Health Monitoring

This section describes the health monitoring features of the X11DSC+ motherboard. The

motherboard has an onboard Baseboard Management Controller (BMC) chip that supports

system health monitoring.

Onboard Voltage Monitors

The onboard voltage monitor will continuously scan crucial voltage levels. Once a voltage

becomes unstable, it will give a warning or send an error message to the screen. Real time

readings of these voltage levels are all displayed via IPMI.

Fan Status Monitor with Firmware Control

The system health monitor embedded in the BMC chip can check the RPM status of the

cooling fans. The CPU and chassis fans are controlled via lPMI interface by BMC.

Environmental Temperature Control

System Health sensors in the BMC monitor the temperatures and voltage settings of onboard

processors and the system in real time via the IPMI interface. Whenever the temperature

of the CPU or the system exceeds a pre-dened threshold, system/CPU cooling fans will

increase fan spin to provide better air ow to prevent the CPU or the system from overheating.

Note: To avoid possible system overheating, please be sure to provide adequate air-

ow to your system.

20

Super X11DSC+ User's Manual

System Resource Alert

This feature is available when used with SuperDoctor 5

®

. SuperDoctor 5 is used to notify the

user of certain system events. For example, you can congure SuperDoctor 5 to provide you

with warnings when the system temperature, CPU temperatures, voltages and fan speeds

go beyond a predened range.

1.5 ACPI Features

ACPI stands for Advanced Conguration and Power Interface. The ACPI specication denes

a exible and abstract hardware interface that provides a standard way to integrate power

management features throughout a computer system including its hardware, operating system

and application software. This enables the system to automatically turn on and off peripherals

such as network cards, hard disk drives and printers.

In addition to enabling operating system-directed power management, ACPI also provides a

generic system event mechanism for Plug and Play and an operating system-independent

interface for conguration control. ACPI leverages the Plug and Play BIOS data structures

while providing a processor architecture-independent implementation that is compatible with

Windows 2012/2012R and 2016 operating systems.

1.6 Power Supply

As with all computer products, a stable power source is necessary for proper and reliable

operation. It is even more important for processors that have high CPU clock rates. In areas

where noisy power transmission is present.

1.7 Super I/O

The Super I/O (ASPEED AST2500 chip) provides a high-speed, 16550 compatible serial

communication port (UART), which supports serial infrared communication. The UART

includes send/receive FIFO, a programmable baud rate generator, complete modem control

capability, and a processor interrupt system. The UART provides legacy speed with baud

rate of up to 115.2 Kbps as well as an advanced speed with baud rate of up to 921.6 Kbps.

The Super I/O provides functions that comply with ACPI (Advanced Conguration and Power

Interface), which includes support of legacy and ACPI power management through a SMI

or SCI function pin. It also features auto power management to reduce power consumption.

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Supermicro X11DSC+ User manual

Supermicro X11DSC+ User manual

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