TYANO S7126 User manual

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S7126
Version 1.0d
Copyright
Copyright © 2021 MITAC COMPUTING TECHNOLOGY CORPORATION. All rights
reserved. No part of this manual may be reproduced or translated without prior
written consent from MITAC COMPUTING TECHNOLOGY CORPORATION.
Trademark
All registered and unregistered trademarks and company names contained in this
manual are property of their respective owners including, but not limited to the
following.
TYAN®is a trademark of MITAC COMPUTING TECHNOLOGY CORPORATION.
AMD®is a trademark of AMD®Corporation.
Intel®is a trademark of Intel®Corporation.
AMI, AMI BIOS are trademarks of AMI Technologies.
Microsoft®, Windows®are trademarks of Microsoft Corporation.
Nuvoton®is a trademark of Nuvoton Technology Corporation.
Notice
Information contained in this document is furnished by MITAC COMPUTING
TECHNOLOGY CORPORATION and has been reviewed for accuracy and reliability
prior to printing. MITAC assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of TYAN®products including liability
or warranties relating to fitness for a particular purpose or merchantability. MITAC
retains the right to make changes to product descriptions and/or specifications at
any time, without notice. In no event will MITAC be held liable for any direct or
indirect, incidental or consequential damage, loss of use, loss of data or other
malady resulting from errors or inaccuracies of information contained in this
document.

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Contents
Before you begin….................................................................................... 4
Chapter 1: Instruction ................................................................................ 5
1.1 Congratulations ................................................................................. 5
1.2 Hardware Specifications.................................................................... 5
1.3 Software Specifications ..................................................................... 7
Chapter 2: Board Installation..................................................................... 9
2.1 Board Image .................................................................................... 10
2.2 Block Diagram ................................................................................. 11
2.3 Mainboard Mechanical Drawing ...................................................... 12
2.4 Board Parts, Jumpers and Connectors ........................................... 13
2.5 LED Definitions................................................................................ 28
2.6 Installing the Processor and Heat sink ............................................ 30
2.7 Tips on Installing Motherboard in Chassis ...................................... 33
2.8 Installing the Memory ...................................................................... 35
2.9 Attaching Drive Cables .................................................................... 44
2.10 Installing Add-In Cards .................................................................. 45
2.11 Connecting External Devices ........................................................ 46
2.12 Installing the Power Supply ........................................................... 47
2.13 Finishing Up................................................................................... 48
Chapter 3: BIOS Setup ............................................................................. 49
3.1 About the BIOS................................................................................ 49
3.2 Main Menu....................................................................................... 51
3.3 Advanced Menu............................................................................... 52
3.4 Server Management ......................................................................179
3.5 Security..........................................................................................186
3.6 Boot ...............................................................................................192
3.7 Save & Exit ....................................................................................195
Chapter 4: Diagnostics........................................................................... 197
4.1 Flash Utility ....................................................................................197
4.2 AMIBIOS Post Code (Aptio) .......................................................... 198
Appendix I: How to recover UEFI BIOS ................................................ 205
Appendix II: Fan and Temp Sensors .................................................... 207
Appendix III: M.2 Latch Installation....................................................... 213
Glossary................................................................................................... 217
Technical Support .................................................................................. 223

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Before you begin…
Check the box contents!
The retail motherboard package should contain the following:
1 x S7126 Motherboard
2 x SATA Signal Cable
1 x M.2 Latch Kit
1 x Rear I/O Shield
2 x CPU Carrier
1 x S7126 Quick reference guide
IMPORTANT NOTE:
Sales sample may not come with the accessory listed above.
Please contact your sales representative to help order accessory for your
evaluation.

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Chapter 1: Instruction
1.1 Congratulations
You have purchased the powerful TYAN® S7126 motherboard. The S7126 is
designed to support dual Intel®Xeon®Whitley Ice Lake Series Processors, and
up to 2,048GB RDIMM/4,096GB LRDIMM 3DS up to 3200Mhz with ECC (1.2V)
when 1DPC. Leveraging advanced technology from Intel®, the S7126 is capable
of offering scalable 32 and 64-bit computing, high-bandwidth memory design, and
lightning-fast PCI-E bus implementation.
The S7126 not only empowers you in today’s demanding IT environment but also
offers a smooth path for future application upgradeability. All of these rich feature
sets provides the S7126 with the power and flexibility to meet demanding
requirements for today’s IT environments.
Remember to visit the TYAN® website at http://www.tyan.com. There you can
find all the information on all TYAN®products as well as all the supporting
documentation, FAQs, Drivers and BIOS upgrades.
1.2 Hardware Specifications
TYAN S7126 (S7126GM2NRE)
Processor
Q'ty / Socket Type (2) LGA4189
Supported CPU Series 3rd Gen Intel Xeon Scalable Processor
Thermal Design Power (TDP)
Wattage
Max up to 220W
System Bus Up to 11.2/10.4 GT/s with Intel UltraPath
Interconnect (UPI) support
Chipset PCH Intel C621A
Memory
Supported DIMM Qty (8)+(8) DIMM slots
DIMM Type / Speed DDR4 ECC RDIMM/RDIMM
3DS/LRDIMM/LRDIMM 3DS 3200
Capacity Up to 2,048GB RDIMM / 4,096GB LRDIMM
3DS
Memory channel 8 Channels per CPU
Memory voltage 1.2V
Expansion Slots
PCIe (2) PCIe Gen.3/Gen.4 x32 slots (slot #6.5,
#6)
Others (1) PCIe Gen.3 x16 OCP 2.0 mezzanine
slot (conn.A+conn.B)

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LAN
Q'ty / Port (2) GbE ports + (1) GbE dedicated for IPMI
Controller Intel I210-AT
PHY Realtek RTL8211E
Storage SATA
Connector (14) SATA
Speed 6Gb/s
RAID RAID 0/1/10/5 (Intel RSTe)
Storage NVMe Connector (M.2) (1) 22110/2280/2242 (by PCIe interface)
Connector (U.2) (4) SFF-8654 for (8) NVMe ports
Storage
(Optional) VROC Support Yes
Graphic VGA
Connector type D-Sub 15-pin
Resolution Up to 1920x1200
Chipset Aspeed AST2500
Input /Output
USB (1) USB3.0 ports (via cable) / (2) USB3.0
ports ( @ rear)
COM (1) DB-9 COM Connector
VGA (1) D-Sub 15-pin VGA port (@ rear)
RJ-45 (2) GbE ports + (1) GbE dedicated for IPMI
SATA (2) SATA-III connectors / (3) Mini-SAS HD
(4-in-1) connectors
Power SSI 24-pin + 8-pin + 8-pin power
connectors
Others (1) ID button
TPM (Optional) TPM Support Please refer to our TPM supported list.
System
Monitoring
Chipset Aspeed AST2500
Fan Total (6) 4-pin headers
Temperature Monitors temperature for CPU, memory &
system environment
Voltage Monitors voltage for CPU, memory, chipset
& power supply
LED Over temperature warning indicator / Fan &
PSU fail LED indicator
Others Watchdog timer support
Server
Management
Onboard Chipset Onboard Aspeed AST2500
AST2500 iKVM Feature
24-bit high quality video compression /
Supports storage over IP and remote
platform-flash / USB 2.0 virtual hub
AST2500 IPMI Feature
IPMI 2.0 compliant baseboard
management controller (BMC) /
10/100/1000 Mb/s MAC interface
BIOS
Brand / ROM size AMI / 32MB
Feature
Hardware Monitor / Boot from USB
device/PXE via LAN/Storage / Console
Redirection / User Configurable FAN PWM
Duty Cycle / SMBIOS 3.0/PnP/Wake on

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LAN / ACPI 6.1 / ACPI sleeping states S5
Physical
Dimension
Form Factor EATX
Board Dimension 12” x 13.1” (306.8mm X 333.2mm)
Regulation
FCC (SDoC) Class A
CE (DoC) Class A
RCM Class A
VCCI Class A
Operating
Environment
Operating Temp. 10° C ~ 35° C (50° F~ 95° F)
Non-operating Temp. - 40° C ~ 70° C (-40° F ~ 158° F)
In/Non-operating Humidity 90%, non-condensing at 35° C
RoHS RoHS 6/6 Compliant Yes
Operating
System OS supported list Please refer to our AVL support lists.
Package
Contains
Motherboard (1) S7126 Motherboard
Manual (1) Quick Installation Guide
I/O Shield (1) I/O Shield
Cable SATA (2) SATA signal cables
1.3 Software Specifications
For OS (operation system) support, please check with TYAN®support for latest
information.

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NOTE

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Chapter 2: Board Installation
You are now ready to install your motherboard.
How to install our products right… the first time
The first thing you should do is reading this user’s manual. It contains important
information that will make configuration and setup much easier. Here are some
precautions you should take when installing your motherboard:
(1) Ground yourself properly before removing your motherboard from the
antistatic bag. Unplug the power from your computer power supply and
then touch a safely grounded object to release static charge (i.e. power
supply case). For the safest conditions, MITAC recommends wearing a
static safety wrist strap.
(2) Hold the motherboard by its edges and do not touch the bottom of the
board, or flex the board in any way.
(3) Avoid touching the motherboard components, IC chips, connectors,
memory modules, and leads.
(4) Place the motherboard on a grounded antistatic surface or on the antistatic
bag that the board was shipped in.
(5) Inspect the board for damage.
The following pages include details on how to install your motherboard into your
chassis, as well as installing the processor, memory, disk drives and cables.
Caution!
1. To avoid damaging the motherboard and associated
components, do not use torque force greater than
5~7 kgf/cm (4.35 ~ 6.09 lb/in) on each mounting
screw for motherboard installation.
2. Do not apply power to the board if it has been
damaged.

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2.1 Board Image
S7126
This picture is representative of the latest board revision available at the time of
publishing. The board you receive may not look exactly like the above picture.

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2.2 Block Diagram
S7126 Block Diagram

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2.3 Mainboard Mechanical Drawing

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2.4 Board Parts, Jumpers and Connectors
This diagram is representative of the latest board revision available at the time of
publishing. The board you receive may not look exactly like the above diagram. But
for the DIMM number please refer to the above placement for memory installation.
For the latest board revision, please visit our web site at http://www.tyan.com.

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Jumpers & Connectors
Connectors
1 Dedicated IPMI port + USB3.0x2 (J112) 19 IPMB pin header (IPMB_HD1)
2 sSATA connector (sSATA4) 20 Vertical SLIMSAS connector
(SLIMSAS1)
3 VGA + COM port (VGA_COM1) 21 Vertical SLIMSAS connector
(SLIMSAS2)
4 sSATA connector (sSATA5) 22 Vertical SLIMSAS connector
(SLIMSAS3)
5 I210 LAN connector (LAN2) 23 Vertical SLIMSAS connector
(SLIMSAS4)
6 I210 LAN connector (LAN1) 24 FPB USB2.0/3.0x2 (USB3_FPIO1)
7 Vertical Type-A USB connector
(TYPEA_USB3) 25 Rear IO_FAN1 (SYS_FAN_4)
8 TYAN Module Hader (DBG_HD1) 26 Rear IO_FAN2 (SYS_FAN_3)
9 M.2 22x80mm connector (NGFF1) 27 SSI 8-pin CPU1 Power connector
(PW2)
10 VGA header (FPIO_VGA3) 28 CPU1_FAN (CPU1_FAN)
11 SSATA SGPIO pin header for
SSATA4-5 (SSATA_SGPIO1) 29 CPU0_FAN (CPU0_FAN)
12 COM2 header (HD_COM2) 30 SSI 8-pin CPU0 Power connector
(PW1)
13 Power BTN (PWR_BTN) 31 FRONT FAN_2 (SYS_FAN_2)
14 FAN pin header (FAN_HD1) 32 FRONT FAN_1 (SYS_FAN_1)
15 Intel VROC RAID KEY Connector (J51) 33 PSMI pin header (PSMI_HD1)
16 Front Panel pin header (FPIO_1) 34 ATX 24-pin power connector (PWR1)
17 NVMe hot plug function header
(HDR_3)
35 36-pin Vertical Mini SAS Connector
(SATA 3.0 signals) (PCH_SSATA_0_3)
18 Reset BTN (RST_BTN) 36 72-pin Vertical Mini SAS Connector
(SATA 3.0 signals) (PCH_SATA_0_7)
Slots
AOCP A Slot (J28) C Mini PCIe Slot x32 (J3)
BOCP B Slot (J31) D Mini PCIe Slot x32 (J4)
Jumpers
aPC BEEP Jumper (J120) f Select PECI to BMC or PCH (J133)
bPSU Throttling Jumper (J125) g Security Override Jumper (J114)
cBMC COM PORT Jumper (J118) h System Reset Jumper (J136)
d BMC COM PORT Jumper (J119) i SMBus Select Jumper (3PHD8)
e ME Recovery Jumper (J113) j Clear CMOS Button (Clear_BTN1)

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LEDS
IBMC Debug LED (BMC_LED1) XVI Memory Error LED-CPU1 (LED69)
II M.2 LED (LED75) XVII Memory Error LED-CPU1 (LED70)
III REAR IO ID LED BTN (IDLED_BTN1) XVIII Memory Error LED-CPU1 (LED67)
IV REAR ID LED (ID_LED1) XIX Memory Error LED-CPU1 (LED68)
V On board BMC IPMI ALERT LED
(IPMI_LED1) XX Memory Error LED-CPU0 (LED64)
VI BMC Heartbeat LED (BMC_LED4) XXI Memory Error LED-CPU0 (LED63)
VII On board HDD Active LED
(HDD_LED1) XXII Memory Error LED-CPU0 (LED66)
VIII CPU ERROR LED (ERR_LED1) XXIII Memory Error LED-CPU0 (LED65)
IX CPU ERROR LED (CAT_LED1) XXIV Memory Error LED-CPU0 (LED61)
X CPU ERROR LED (ERR_LED0) XXV Memory Error LED-CPU0 (LED62)
XI CPU ERROR LED (ERR_LED2) XXVI Memory Error LED-CPU0 (LED59)
XII Memory Error LED-CPU1 (LED72) XXVII Memory Error LED-CPU0 (LED60)
XIII Memory Error LED-CPU1 (LED71) XXVIII PSU_ALERT_N LED
(PSMI_LED1)
XIV Memory Error LED-CPU1 (LED74) XXIX Platform RESET LED
(SYS_RST_LED1)
XV Memory Error LED-CPU1 (LED73)
Jumper Legend
OPEN - Jumper OFF Without jumper cover
CLOSED - Jumper ON With jumper cover

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FAN1~6 (CPU0_FAN, CPU1_FAN, SYS_FAN_1~4): 4-pin FAN Connector
Pin 1 2 3 4
Signal GND P12V FAN_TACH FAN_PWM
Use this header to connect the cooling fan to your motherboard to
keep the system stable and reliable.
FPIO_1: Front Panel Pin Header
Signal Pin Pin Signal
FP_PW_LED_PW 1 2 FP_ PWER
(VCC3_Aux)
KEY 3 4 FP_ID_LED_PW
FP_PW_LED_GND 5 6 FP_ID_LED_N
HDD_LED_PW 7 8 BMC_HW_FAULT_N
HDD_ACT_LED_N 9 10 BMC_SYS_FAULT_N
FP_PWR_BTN_N 11 12 LAN0_LED_P
GND 13 14 LAN0_LED_N
FP_RST_BTN_JP_N 15 16 FP_SMB_DAT
GND 17 18 FP_SMB_CLK
FP_IDLED_BTN_N 19 20 FP_INTRUSION_N
SYS_AIR_INLET 21 22 LAN1_LED_P
FP_NMI_BTN_N 23 24 LAN1_LED_N
PSMI_HD1: PSMI Connector
Pin Signal
1 SMB_CLK
2 SMB_DAT
3 PSU_SMBALERT_N
4 GND
5 V3.3
IPMB_HD1: 4-pin IPMB Connector
Pin Signal
1 IPMB_DAT
2 GND
3 IPMB_CLK
4 VCC3_AUX

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DBG_HD1: TYAN Module Header
Signal Pin Pin Signal
VCC3 1 2 FRAME_N
LAD0 3 4 KEY
LAD1 5 6 PLT_RST_N
LAD2 7 8 GND
LAD3 9 10 CLK_33M
DBG_SERIRQ 11 12 GND
DBG_PRES_N 13 14 VCC3_AUX
TPM_ADDR_MB 15 16 PCH_TPM_PP_EN
FAN_HD1: Fan Connector (Reserved for Barebone)
Signal Pin Pin Signal
TACH1 1 2 TACH6
TACH2 3 4 TACH7
TACH3 5 6 TACH8
TACH4 7 8 TACH9
TACH5 9 10 TACH10
GND 11 12 KEY
PWM2 13 14 PWM1
TACH11 15 16 SDA
TACH12 17 18 SCL
NC 19 20 PWM3
USB3_FPIO1: Front USB3.0 Header
Signal Pin Pin Signal
+5V 1 20 KEY
P0_RX_N 2 19 +5V
P0_RX_P 3 18 P1_RX_N
GND 4 17 P1_RX_P
P0_TX_N 5 16 GND
P0_TX_P 6 15 P1_TX_N
GND 7 14 P1_TX_P
P0_N 8 13 GND
P0_P 9 12 P1_N
OC_N 10 11 P1_P

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SSATA_SGPIO1: SATA SGPIO Pin Header for SSATA4-5
Signal Pin Pin Signal
SCL 1 2 SDATA IN
SDA 3 4 SDATA OUT-
GND 5 6 SLOAD
KEY 7 8 SCLOCK
VCC3_AUX 9 10 HD_ERROR_LED
FPIO_VGA3: Front Panel VGA Header
Signal Pin Pin Signal
GND 1 2 VGA2_5V
GND 3 4 HD_VGA_R
GND 5 6 HD_VGA_G
GND 7 8 HD_VGA_B
GND 9 10 HD_VGA_DAT
HD_VGA_HS 11 12 KEY
HD_VGA_CLK 13 14 HD_VGA_VS
HD_COM2: COM Port Header
Signal Pin Pin Signal
COM2_DCD 1 2 COM2_DSR
COM2_RXD 3 4 COM2_RTS
COM2_TXD 5 6 COM2_CTS
COM2_DTR 7 8 COM2_NRI
GND 9 10 KEY
J51: Intel®VROC RAID KEY Connector (NVMe only)
Signal Pin Pin Signal
GND 1 2 2.21K to VCC3_AUX
GND 3 4 2.21K to VCC3_AUX
HDR_3: 7-pin NVMe Hot Plug Function Connector
Signal Pin Pin Signal
VCC3_AUX 1 2 HP0_SCK
HP0_SDA 3 4 CPU01_SMBALERT_N_C
HP1_SCK 5 6 HP1_SDA
GND 7

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IDLED_BTN1: Rear IO ID LED Button
Signal Pin Pin Signal
FP_IDLED_BTN_N 1 2 GND
PWR_BTN1: System Power Button
Signal Pin Pin Signal
GND 1,2 3,4 PWR_BTN1
RST_BTN1: System Reset Button
Signal Pin Pin Signal
GND 1,2 3,4 FP_RST_BTN_N
sSATA4: 7-pin Vertical SATA Connector
PIN Define Pin
Connects to the Serial
ATA ready drives via
the Serial ATA cable.
1 GND
2 SSATA4_TXP_C
3 SSATA4_TXN_C
4 GND
5 SSATA4_RXN_C
6 SSATA4_RXP_C
7 GND
sSATA5: 7-pin Vertical SATA Connector
PIN Define Pin
Connects to the Serial
ATA ready drives via
the Serial ATA cable.
1 GND
2 SSATA5_TXP_C
3 SSATA5_TXN_C
4 GND
5 SSATA5_RXN_C
6 SSATA5_RXP_C
7 GND

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TYPEA_USB3: Vertical Type-A USB3.0 Connector
Signal Pin Pin Signal
USB3_N3_RX_TYPEA 5 1 VCC5
USB3_P3_RX_TYPEA 6 2 USB2_N8_TYPE_A_R
GND 7 3 USB2_P8_TYPE_A_R
USB3_N3_TX_TYPEA 8 4 GND
USB3_P3_TX_TYPEA 9
CLEAR_BTN1: RTC Reset Button for Clear CMOS
You can reset the CMOS settings by using this button, if you
have forgotten your system/setup password or need to clear
system BIOS setting.
1. Power off the system and disconnect power connectors
from the motherboard.
2. Press the button (Clear CMOS).
3. Reconnect power & power on the system.
NOTE: After flashing new BIOS, do the following steps:
a. Clear CMOS
b. Enter BIOS setup menu and load Default Settings. Then do
a Save and Exit from setup.
J114: Security Override Header (reserved)
Pin Signal
1 BMC_ME_OVERRIDE_N
2 GND
3PHD8: SMBUS Select Header (reserved)
Pin Signal
1 NC
2 CPU#_BMC_SMB_SEL
3 GND