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C7B250-CB-MK
Supero C7B250-CB-MK User Manual
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Supermicro C7B250-CB-MK Motherboard User’s Manual
C7B250-CB-MK Block Diagram
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Table of Contents
Default Chapter
3
Manual Organization
3
Checklist
4
Conventions Used in the Manual
4
Standardized Warning Statements
5
Battery Handling
5
Product Disposal
6
Contacting Supermicro
8
Where to Find more Information
9
Table of Contents
10
Chapter 1 Introduction
17
Overview
17
About this Motherboard
17
Chipset Overview
17
Intel B250 Express Chipset Features
17
Motherboard Features
18
Special Features
20
Recovery from AC Power Loss
20
PC Health Monitoring
20
Fan Status Monitor and Control
20
Environmental Temperature Control
20
System Resource Alert
21
ACPI Features
21
Slow Blinking LED for Suspend-State Indicator
21
Power Supply
22
Super I/O
22
Chapter 2 Installation
29
Installation Components and Tools Needed
29
Static-Sensitive Devices
30
Precautions
30
Unpacking
30
Processor and Heatsink Installation
31
Installing the LGA1151 Processor
31
Installing an Active CPU Heatsink with Fan
34
Removing the Heatsink
36
Installing DDR4 Memory
37
DIMM Installation
37
Removing Memory Modules
37
Memory Support
38
Memory Population Guidelines
39
Motherboard Installation
40
Tools Needed
40
Location of Mounting Holes
40
Installing the Motherboard
41
Connector and I/O Ports
42
I/O Back Panel
42
Universal Serial Bus (USB)
43
Ethernet Port
44
Back Panel High Definition Audio (HD Audio)
44
ATX PS/2 Keyboard/Mouse Ports
45
VESA® Displayport
45
HDMI Port
45
DVI Port
45
Front Control Panel
46
Front Control Panel Pin Definitions
47
Power LED
47
Hdd Led
47
Nic1 (Lan)
47
Overheat (Oh)/Fan Fail
47
Reset Button
48
Power Button
48
Connecting Cables
49
ATX Main PWR & CPU PWR Connectors
49
Fan Headers
50
Chassis Intrusion
50
Serial Port
51
Speaker
51
DOM PWR Connector
52
Spdif out
52
Standby Power Header
53
PCI-E M.2 Connector
53
Front Panel Audio Header (AUDIO FP)
54
Jumper Settings
55
Explanation of Jumpers
55
Manufacturing Mode
55
Jcmos & Jbt1
56
PCI-E Slot SMB Enable (I2C1/I2C2)
56
Watch Dog Timer Enable/Disable
57
BIOS Recovery Jumper
57
USB Wake up
58
Onboard Indicators
59
LAN Leds
59
Onboard Power LED
59
Hard Drive Connections
60
SATA Connections (I-SATA0~I-SATA5)
60
Chapter 3 Troubleshooting
61
Troubleshooting Procedures
61
Before Power on
61
No Power
61
No Video
62
Memory Errors
62
When the System Is Losing the Setup Configuration
62
Technical Support Procedures
63
Frequently Asked Questions
64
Battery Removal and Installation
65
Battery Removal
65
Proper Battery Disposal
65
Returning Motherboard for Service
66
Battery Installation
66
Chapter 4 BIOS
67
Introduction
67
Starting BIOS GUI Setup Utility
67
How to Change the Configuration Data
68
How to Start the Setup Utility
68
System Information
69
System Date
69
System Time
69
Cpu
70
CPU Configuration
71
SW Guard Extension (SGX)
72
CPU Flex Ratio Override
72
CPU Flex Ratio Settings
72
Hardware Prefetcher
72
Adjacent Cache Line Prefetch
72
Intel® (VMX) Virtualization Technology
72
Active Processor Cores
72
Hyper-Threading
73
Bist
73
Aes
73
Machine Check
73
Monitormwait
73
Intel® Trusted Executed Technology
73
Alias Check Request
73
Reset AUX Content
73
FCLK Frequency for Early Power on
74
Power and Performance
74
CPU - Power Management Control
74
Boot Performance Mode
74
Intel(R) Speedstep(Tm)
74
Turbo Mode
75
Platform PL1 Enable
75
Platform PL2 Enable
75
Power Limit 4 Override
75
C States
75
Enhanced C-States
75
C-State Auto Demotion
75
C-State Un-Demotion
75
Package C-State Demotion
76
Package C-State Un-Demotion
76
IO MWAIT Redirection
76
Package C State Limit
76
Package C State Workaround
76
GT-Power Management
76
Memory
77
Memory Scrambler
78
Force Coldreset
78
Channel a DIMM Control
78
Channel B DIMM Control
78
Force Single Rank
78
MRC Fast Boot
78
Advanced
79
Boot Feature
79
Fast Boot
79
Quiet Boot
79
Bootup Num-Lock
79
Wait for "F1" if Error
79
Re-Try Boot
79
Watch Dog Function
80
Power Button Function
80
AC Loss Policy Depend on
80
Eup Support
80
NCT6792D Super IO Configuration
80
Superio Chip NCT6792D
81
Serial Port 1 Configuration
81
Serial Port
81
Device Settings
81
Change Settings
81
Serial Port Console Redirection
81
Com 1
81
Console Redirection
81
System Agent (SA) Configuration
85
GMM Device (B0:D8:F0)
87
X2APIC Opt out
87
Graphics Configuration
87
Graphics Turbo IMON Current
88
Skip Scanning of External Gfx Card
88
Primary Display
88
Select PCIE Card
88
External Gfx Card Primary Display Configuration
88
Internal Graphics
88
GTT Size
88
Aperture Size
88
DVMT Pre-Allocated
89
DVMT Total Gfx Mem
89
Gfx Low Power Mode
89
VDD Enable
89
HDCP Support
89
Algorithm
89
PM Support
89
PAVP Enable
89
Cdynmax Clamping Enable
89
Graphics Clock Frequency
89
PCH-IO Configuration
90
SATA and RST Configuration
91
SATA Controllers
91
SATA Mode Selection
91
SATA Controller Speed
91
SATA Frozen
91
Serial ATA Port
92
Hot Plug
92
Configured as Esata
92
Spin up Device
92
SATA Device Type
92
PCH FW Configuration
92
ME FW Image Re-Flash
93
USB Configuration
94
Legacy USB Support
94
XHCI Hand-Off
94
Pcie/Pci/Pnp Configuration
96
Network Stack
97
Security
98
Administrator Password
98
User Password
98
Secure Boot
99
Attempt Secure Boot
99
Secure Boot Mode
99
CSM Support
99
Key Management
100
Provision Factory Default Keys
100
Install Factory Default Keys
100
Enroll Efi Image
100
Save All Secure Boot Variables
100
Platform Key (PK)
100
Delete Key Exchange Key
101
Key Exchange Keys
101
Append Key Exchange Key
101
Delete Authorized Signature
101
Authorized Signatures
101
Append Authorized Signature
101
Delete Forbidden Signature
102
Forbidden Signatures
102
Append Forbidden Signature
102
Delete Authorized Timestamps
102
Authorized Timestamps
102
Append Authorized Timestamp
102
Delete Osrecovery Signatures
103
Osrecovery Signatures
103
Append Osrecovery Signature
103
Thermal & Fan
104
Fan Control
105
Fan Speed Control Mode
105
Save & Exit
106
Boot Mode Select
106
FIXED BOOT ORDER Priorities
106
Legacy Boot Option #1~#8
106
USB Key Drive BBS Priorities
106
NETWORK Drive BBS Priorities
106
Boot Override
106
Smi Usb Disk 1100
107
Launch EFI Shell from Filesystem Device
107
BIOS Update
108
Start Update
108
Appendix A BIOS Error Beep Codes
111
BIOS Error Beep Codes
111
Appendix B Software Installation Instructions
113
Installing Drivers
113
Configuring Superdoctor ® 5
114
Appendix C UEFI BIOS Recovery Instructions
115
An Overview to the UEFI BIOS
115
How to Recover the UEFI BIOS Image (-The Main BIOS Block
115
To Recover the Main BIOS Block Using a USB-Attached Device
116
Appendix D Dual Boot Block
119
Introduction
119
BIOS Boot Block
119
BIOS Boot Block Corruption Occurrence
119
Steps to Reboot the System by Switch JBR1
120
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Supero C7B250-CB-MK Specifications
General
Brand
Supero
Model
C7B250-CB-MK
Category
Motherboard
Language
English
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