Supermicro C7B250-CB-ML User manual

C7B250-CB-ML
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QUICK REFERENCE GUIDE
Revision 1.0a

C7B250-CB-ML QUICK REFERENCE GUIDE Product Safety Information
Standardized Warning Statements
Motherboards
About Standardized Warning Statements
The following statements are industry standard warnings, provided to warn the user of situations which can potentially
cause a bodily injury. Should you have questions or experience difculty, contact Supermicro's Technical Support De-
partment for assistance. Only certied technicians should attempt to install or congure components.
Read this section in its entirety before installing or conguring components in the Supermicro chassis.
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.
!
Battery Handling
Warning!
There is a danger of explosion if the battery is replaced incorrectly. Replace the battery only with the same or an equiva-
lent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer's instructions.
警告
電池更換不當會有爆炸危險。請使用製造商建議之相同或功能相當的電池更換原有電池。請按照製造商的說明指示處理
廢棄舊電池。
警告
电池更换不当会有爆炸危险。请只使用同类电池或制造商推荐的功能相当的电池更换原有电池。请按制造商的说明处理
废旧电池。
電池の取り扱い
電池交換が正しく行われなかった場合、破裂の危険性があります。 交換する電池はメーカーが推奨する型、または同等のもの
を使用下さい。 使用済電池は製造元の指示に従って処分して下さい。




경고!
배터리가 올바르게 교체되지 않으면 폭발의 위험이 있습니다. 기존 배터리와 동일하거나 제조사에서 권장하는 동등한
종류의 배터리로만 교체해야 합니다. 제조사의 안내에 따라 사용된 배터리를 처리하여 주십시오.
Note: For complete product safety information, refer to http://www.supermicro.com/about/policies/safety_information.cfm.

C7B250-CB-ML QUICK REFERENCE GUIDE 限用物質含有情況標示聲明書
限用物質含有情況標示聲明書
設備名稱：主機板
/
Motherboard
,型號（型式）：
C7B250-CB-ML; C7Q270-CB-ML
單元Ｕnit
限用物質及其化學符號
鉛Lead
(Pb) 汞Mercury (Hg) 鎘Cadmium (Cd)
六價鉻
Hexavalent
chromium
(Cr+6)
多溴聯苯
Polybrominated
biphenyls
(PBB)
多溴二苯醚
Polybrominated
diphenyl ethers
(PBDE)
主機板
(Motherboard)
－○○○○○
備考1.〝超出0.1 wt %〞及〝超出0.01 wt %〞係指限用物質之百分比含量超出百分比含量基準
值。
備考2.〝○〞係指該項限用物質之百分比含量未超出百分比含量基準值。
備考3.〝－〞係指該項限用物質為排除項目。
Equipment name
Type designation (Type)
Restricted substances and its chemical symbols
Declaration of the Presence Condition of the Restricted Substances Marking
Note 1
：
“Exceeding 0.1 wt %” and “exceeding 0.01 wt %” indicate that the percentage content of the restricted substance exceeds the
reference percentage value of presence condition.
Note 2
：
“○” indicates that the percentage content of the restricted substance does not exceed the percentage of reference value of presence.
Note 3
：
The “−” indicates that the restricted substance corresponds to the exemption.

C7B250-CB-ML QUICK REFERENCE GUIDE BIOS POST Code
AMI BIOS POST Codes
About AMI BIOS POST Codes
The table below lists some of AMI BIOS POST codes for C7B250-CB-ML. For more information, refer to https://www.
supermicro.com.tw/manuals/other/AMI_BIOS_POST_Codes_for_Grantley_Motherboards.pdf.
Code Description
0x32 CPU post-memory initialization is started
0x55 No Memory detected or memory failed
0x63 CPU DXE initialization is started
0x69 North Bridge DXE initialization is started
0x70 South Bridge DXE initialization is started
0x92 PCI Bus initialization is started
0x99 Super IO Initialization
0x9A USB initialization is started
0xA0 IDE initialization is started
0xA9 Boot into BIOS setup menu
0xAE Legacy Boot event
0xB2 Legacy Option ROM Initialization
0xB4 USB hot plug
0xD6 No VGA device
0xD7 No Keyboard plugged in
0xF2 Recovery process started
0xF9 Recovery capsule is not found

C7B250-CB-ML QUICK REFERENCE GUIDE Notes
Notes

C7B250-CB-ML
QuiCk RefeRenCe Guide Rev. 1.0a
SUPERMICR R
Motherboard Layout and Features
= mounting hole
LGA 1151
I/O BACK PANEL
TPM/PORT80JTPM1:
JTPM1
RST PWR
ON
XOH/FF
X
NIC
1
PWR
LED
HDD
LED
JF1
USB 2/3USB 8/9(3.0)
2-3:BIOS RECOVERY
1-2:NORMAL JBR1
WATCH DOG
1-2:RST
2-3:NMI
JWD1:
JBR1
JPME2
AUDIO FP
COM1
JD1:SPEAKER :1-4
JD1
JSD1
JWD1
JL1
JSD1:SATA DOM PWR
JL1:
CHASSIS
INTRUSION
2-3:ME MANUFACTURING MODE
JPME2:
1-2:NORMAL
I-SATA5
I-SATA4
I-SATA3
I-SATA2
I-SATA1
I-SATA0
PCH SLOT1 PCI-E 3.0 X1 PCH SLOT2 PCI-E 3.0 X4
J9702
JSTBY1
J9701
JI2C2 JI2C1
JSPDIF_OUT
5V STBY POWER
JSTBY1:
CPU SLOT3 PCI-E 3.0 X16
OFF:DISABLE
JI2C1/JI2C2
ON :ENABLE
HD AUDIO
PCIE M.2
CONNECTOR 1
SYS_FAN2
USB 6/7(3.0)
LAN
CPU
JPW1
DVI
JPUSB1:USB0/1 WAKE UP
HDMI/DP
DIMMB2
DIMMA2
DIMMB1
DIMMA1
2-3 DISABLE
1-2 ENABLE
CPU_FAN1
JVR1 JPUSB1
JPW2
KB/MOUSE
LED1
REV: 1.0
C7B250-CB-ML
DESIGNED IN USA
+
BAR CODE
MAC CODE
BIOS LICENSE
C
A
+
A C
USB 4/5(3.0)
USB 0/1
B1
2280
2260
2242
JBT1
JBT1:CMOS CLEAR
JCMOS
2-3:CLEAR CMOS
1-2:NORMAL
JCMOS:
SYS_FAN1
7th/6th Gen
Intel® CoreTM i7/i5/i3
Series CPU

Package contents
• One (1) Quick Reference Guide
• One (1) Driver CD
• One (1) Supermicro Motherboard
• Two (2) SATA cables
• One (1) I/O Shield
Jumpers and Connectors
Jumpers
Connectors
Jumper Description Default
JCMOS Clear CMOS 1-2: Normal
JBR1 BIOS Recovery 1-2: Normal
JBT1 Clear CMOS (onboard) Short pads to clear CMOS
JI2C1/JI2C2 SMB to PCI-E Slots On: Enable
JPME2 Intel®Manufacturing Mode 1-2: Normal
JPUSB1 USB Wake Up Enable (Back Panel USB 0/1) 1-2: Enable
JWD1 Watch Dog Function Enable 1-2: RST
Connector Description
AUDIO FP Front Panel Audio Header
BT1 Onboard Battery
COM1 COM1 Port Header
CPU_FAN1 CPU Fan Headers
I-SATA0~5 (Intel®PCH) Serial ATA (SATA) 3.0 Ports 0~5 (6Gb/sec)
JD1 Pin 1~4: External Speaker
JF1 Front Control Panel Header
JL1 Chassis Intrusion Header
JPW1 24-pin ATX Power Connector (Required)
JPW2 8-pin CPU Power Connector (Required)
JSD1 SATA DOM (Disk On Module) Power Connector
JSPDIF_OUT Sony/Philips Digital Interface (S/PDIF) Out Header
JSTBY1 Standby Power Header
JTPM1 Trusted Platform Module (TPM) Header
PCI-E M.2 CONNECTOR 1 PCI-E M.2 Connector 1. Small form factor devices and other portable devices for
high speed NVMe SSDs
SYS_FAN1/FAN2 System Fan Headers
USB 2/3 Front Panel Accessible USB 2.0 Header
USB 8/9 (3.0) Front Panel Accessible USB 3.0 Header

ContaCt InformatIon
• www.supermicro.com (Email: [email protected])
• Manuals: http://www.supermicro.com/support/manuals
• Drivers & Utilities: https://www.supermicro.com/wftp/driver/
• Safety: http://www.supermicro.com/about/policies/safety_information.cfm
LED Indicators
LED indicators
CPU & Memory Support
CPU & Memory Support
DIMM Memory Installation
LED Description Color/State
LED1 Power On
S3 (Suspend to RAM) LED
Power On: Green On
S3: Green Blinking
The C7B250-CB-ML supports a single 6th and 7th generation Intel® CoreTM i7/i5/i3/Pentium®/Celeron®series proces-
sor, up to 64GB of Unbuffered (UDIMM) non-ECC DDR4 memory, up to 2400MHz in four 288-pin memory slots.
Populating these DIMM slots with a pair of memory modules of the same type and size will result in interleaved
memory, which will improve memory performance.
Note: 1) For memory optimization, use only DIMM modules that have been validated by Supermicro. For the latest memory updates, please
refer to our website at http://www.supermicro.com/products/motherboard.
2) Always connect the power cord last, and always remove it before adding, removing or changing any hardware components.
Memory Population Guidelines
When installing memory modules, the DIMM slots should be populated in the following order: DIMMB2, DIMMA2,
then DIMMA1, DIMMB1.
• Always use DDR4 DIMM modules of the same size, type, and speed.
• Mixed DIMM speeds can be installed. However, all DIMMs will run at the speed of the slowest DIMM.
Recommended Population (Balanced)
DIMMB2 DIMMA2 DIMMB1 DIMMA1 Total System Memory
4GB 4GB 8GB
4GB 4GB 4GB 4GB 16GB
8GB 8GB 16GB
8GB 8GB 8GB 8GB 32GB
16GB 16GB 32GB
16GB 16GB 16GB 16GB 64GB
Towards the CPU
DIMMB2 (Red Slot)
DIMMA2 (Red Slot)
DIMMA1 (Black Slot)
DIMMB1 (Black Slot)

MNL-1938-QRG-10a
© 2019 Supermicro Computer Inc. All rights reserved. Reproduction of this document whether in part or in whole is strictly prohibited without Super- micro's written consent. All Trademarks are property of their respective entities. All information provided is deemed accurate at the time of printing; however, it is not guaranteed.
Notes
• Graphics shown in this quick reference guide are for illustration only. Your components may or
may not look exactly the same as drawings shown in this guide.
• Refer to Chapter 2 of the User Manual for detailed information on jumpers, connectors, LED
indicators, memory support and CPU/motherboard installation instructions.
Front Control Panel (JF1)
CPU Installation Heatsink Installation
Heatsink
with Fan
Motherboard
Mounting Hole
Back Panel I/O Connectors
Add
thermal paste
Power Button
Over heat/Fan Fail L
ED (-)
1
NIC1 LED (-)
Reset Button
2
HDD LED (-)
POWER LED (-)
Reset
PWR
POWER LED (+)
Ground
Ground
XX
HDD LED (+)
NIC1 LED (+)
Over heat/Fan Fail L
ED (+)
1516
XX
A. PS/2 Keyboard/Mouse Port G. USB 3.0 Port 4 L. Center/LFE Out
B. USB 2.0 Port 0 H. USB 3.0 Port 5 M. Surround Out
C. USB 2.0 Port 1 I. RJ-45 Gigabit Ethernet Port N. SPDIF Out
D. DisplayPort J. USB 3.0 Port 6 O. Line In
E. HDMI Port K. USB 3.0 Port 7 P. Line Out
F. DVI-D Port Q. Mic In
A
B
C
D
E
F
G
H
J
K
L
M
N
O
P
Q
I

美超微電腦股份有限公司
C7B250-CB-ML 快速參考指南 版本 1.0a
SUPERMICR R
主機板元件配置圖
= 裝機孔
LGA 1151
I/O BACK PANEL
TPM/PORT80JTPM1:
JTPM1
RST PWR
ON
XOH/FF
X
NIC
1
PWR
LED
HDD
LED
JF1
USB 2/3USB 8/9(3.0)
2-3:BIOS RECOVERY
1-2:NORMAL JBR1
WATCH DOG
1-2:RST
2-3:NMI
JWD1:
JBR1
JPME2
AUDIO FP
COM1
JD1:SPEAKER :1-4
JD1
JSD1
JWD1
JL1
JSD1:SATA DOM PWR
JL1:
CHASSIS
INTRUSION
2-3:ME MANUFACTURING MODE
JPME2:
1-2:NORMAL
I-SATA5
I-SATA4
I-SATA3
I-SATA2
I-SATA1
I-SATA0
PCH SLOT1 PCI-E 3.0 X1 PCH SLOT2 PCI-E 3.0 X4
J9702
JSTBY1
J9701
JI2C2 JI2C1
JSPDIF_OUT
5V STBY POWER
JSTBY1:
CPU SLOT3 PCI-E 3.0 X16
OFF:DISABLE
JI2C1/JI2C2
ON :ENABLE
HD AUDIO
PCIE M.2
CONNECTOR 1
SYS_FAN2
USB 6/7(3.0)
LAN
CPU
JPW1
DVI
JPUSB1:USB0/1 WAKE UP
HDMI/DP
DIMMB2
DIMMA2
DIMMB1
DIMMA1
2-3 DISABLE
1-2 ENABLE
CPU_FAN1
JVR1 JPUSB1
JPW2
KB/MOUSE
LED1
REV: 1.0
C7B250-CB-ML
DESIGNED IN USA
+
BAR CODE
MAC CODE
BIOS LICENSE
C
A
+
A C
USB 4/5(3.0)
USB 0/1
B1
2280
2260
2242
JBT1
JBT1:CMOS CLEAR
JCMOS
2-3:CLEAR CMOS
1-2:NORMAL
JCMOS:
SYS_FAN1
7th/6th Gen
Intel® CoreTM i7/i5/i3
Series CPU