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ASUS PRIME B250M-K

1-5

1. 

PS/2 mouse port (green).

 This port is for a PS/2 mouse.

2. 

Video Graphics Adapter (VGA) port.

 This 15-pin port is for a 

VGA monitor or other VGA-compatible devices.

3. 

LAN (RJ-45) port.

 This port allows Gigabit connection to a 

Local Area Network (LAN) through a network hub.

 

LAN port LED indications

Rear panel connectors

2

4 5

3

6

8

7

1

10

9

4. 

Line In port (light blue).

 This port connects to the tape, CD, DVD player, or other 

audio sources.

5. 

Line Out port (lime).

 This port connects to a headphone or a speaker. In the 4.1, 5.1 

and 7.1-channel configurations, the function of this port becomes Front Speaker Out.

6. 

Microphone port (pink)

. This port connects to a microphone.

Refer to the audio configuration table for the function of the audio ports in 2.1, 4.1, 5.1, or 

7.1-channel configuration.

Activity/Link LED

Speed LED

Status

Description

Status

Description

Off

No link

OFF

10Mbps connection

Orange

Linked

ORANGE

100Mbps connection

Orange (Blinking)

Data activity

GREEN

1Gbps connection

Orange (Blinking 

then steady)

Ready to wake up 

from S5 mode

_

_

LAN port

Speed 

LED

Activity Link 

LED

Summary of Contents for prime B250M-K

Page 1: ...Motherboard PRIME B250M K ...

Page 2: ...spective companies and are used only for identification or explanation and to the owners benefit without intent to infringe Offer to Provide Source Code of Certain Software This product contains copyrighted software that is licensed under the General Public License GPL under the Lesser General Public License Version LGPL and or other Free Open Source Software Licenses Such software in this product...

Page 3: ...B250M K specifications summary vi Chapter 1 Product introduction Motherboard overview 1 1 Central Processing Unit CPU 1 7 System memory 1 8 Chapter 2 BIOS information BIOS setup program 2 1 EZ Mode 2 2 Advanced Mode 2 3 Exit menu 2 4 Appendix Notices A 1 ASUS contact information A 5 ...

Page 4: ...erboard and adding components carefully read all the manuals that came with the package Before using the product ensure all cables are correctly connected and the power cables are not damaged If you detect any damage contact your dealer immediately To avoid short circuits keep paper clips screws and staples away from connectors slots sockets and circuitry Avoid dust humidity and temperature extrem...

Page 5: ...ks properly take note of the following symbols used throughout this manual DANGER WARNING Information to prevent injury to yourself when completing a task CAUTION Information to prevent damage to the components when completing a task IMPORTANT Instructions that you MUST follow to complete a task NOTE Tips and additional information to help you complete a task Typography Bold text Indicates a menu ...

Page 6: ...ssors Higher memory modules will run at the maximum transfer rate of DDR4 2400MHz Due to Intel chipset limitation DDR4 2133MHz and higher memory modules on 6th Generation Intel processors will run at the maximum transfer rate of DDR4 2133MHz Refer to www asus com for the Memory QVL Qualified Vendors List Expansion slots 1 x PCI Express 3 0 2 0 x16 slot at x16 mode 2 x PCI Express 3 0 2 0 x1 slots ...

Page 7: ...S SafeSlot Core Fortified PCIe Slot prevents damage ASUS LANGuard Protects against LAN surges lightning strikes and static electricity discharges ASUS Overvoltage Protection World class circuit protecting power design ASUS DIGI VRM 5 phase digital power design ASUS Stainless Steel Back I O 3x corrosion resistance for greater durability Superb Performance M 2 onboard The latest transfer technologie...

Page 8: ...r both 3 pin DC mode and 4 pin PWM mode coolers control 1 x Front panel audio connector 1 x COM header 1 x S PDIF Out connector 1 x 24 pin EATX Power connector 1 x 4 pin ATX 12V Power connector 1 x Clear CMOS header 1 x Speaker connector 1 x System panel connector BIOS features 128 Mb Flash ROM UEFI AMI BIOS PnP DMI3 0 WfM2 0 SM BIOS 3 0 ACPI 6 1 Multi language BIOS ASUS EZ Flash 3 CrashFree BIOS ...

Page 9: ...Unplug the power cord before installing or removing the motherboard Failure to do so can cause you physical injury and damage to motherboard components Place this side towards the rear of the chassis PRIME B250M K PCIE SATA M 2 IRST X4 V X PCIEX16 PCIEX1_1 PCIEX1_2 SPEAKER CLRTC F_PANEL SPDIF_OUT USB1112 USB910 USB3_12 AAFP COM ATX12V EATXPWR CPU_FAN CHA_FAN BATTERY Super I O ALC 887 Realtek 8111H...

Page 10: ...ide the system may damage the motherboard components These are not jumpers Do not place jumper caps on the fan connectors The CPU_FAN connector supports a CPU fan of maximum 1A 12 W fan power Intel LGA1151 CPU socket Install Intel LGA1151 CPU into this surface mount LGA1151 socket which is designed for 7th 6th Generation Intel Core i7 i5 i3 Pentium and Celeron processors For more details refer to ...

Page 11: ...nd provides faster data transfer speeds of up to 5 Gbps faster charging time for USB chargeable devices optimized power efficiency and backward compatibility with USB 2 0 USB 2 0 connectors 10 1 pin USB910 USB1112 Connect the USB module cable to any of these connectors then install the module to a slot opening at the back of the system chassis These USB connectors comply with USB 2 0 specification...

Page 12: ...Express 3 0 2 0 x1 slots This motherboard supports two PCI Express x1 network cards SCSI cards and other cards that comply with the PCI Express specifications PCI Express 3 0 2 0 x16 slot This motherboard has a PCI Express 3 0 2 0 x16 slot that supports PCI Express 3 0 2 0 x16 graphic cards complying with the PCI Express specifications M 2 socket 3 This socket allows you to install an M 2 NGFF SSD...

Page 13: ...ources 5 Line Out port lime This port connects to a headphone or a speaker In the 4 1 5 1 and 7 1 channel configurations the function of this port becomes Front Speaker Out 6 Microphone port pink This port connects to a microphone Refer to the audio configuration table for the function of the audio ports in 2 1 4 1 5 1 or 7 1 channel configuration Activity Link LED Speed LED Status Description Sta...

Page 14: ...versal Serial Bus USB ports are for USB 2 0 1 1 devices 8 USB 3 0 ports These 9 pin Universal Serial Bus USB ports are for USB 3 0 devices USB 3 0 devices can only be used for data storage We strongly recommend that you connect USB 3 0 devices to USB 3 0 ports for faster and better performance from your USB 3 0 devices Due to the design of the Intel 200 series chipset all USB devices connected to ...

Page 15: ... retailer immediately if the PnP cap is missing or if you see any damage to the PnP cap socket contacts motherboard components Keep the cap after installing the motherboard ASUS will process Return Merchandise Authorization RMA requests only if the motherboard comes with the cap on the LGA1151 socket The product warranty does not cover damage to the socket contacts resulting from incorrect CPU ins...

Page 16: ... compatibility we recommend that you install memory modules of the same version or data code D C from the same vendor Check with the vendor to get the correct memory modules According to Intel CPU spec DIMM voltage below 1 35V is recommended to protect the CPU Due to the memory address limitation on 32 bit Windows OS when you install 4GB or more memory on the motherboard the actual usable memory f...

Page 17: ...tions Using the power button reset button or the Ctrl Alt Del keys to force reset from a running operating system can cause damage to your data or system We recommend you always shut down the system properly from the operating system The BIOS setup screens shown in this section are for reference purposes only and may not exactly match what you see on your screen Visit the ASUS website at www asus ...

Page 18: ...ice options vary depending on the devices you installed to the system Saves the changes and resets the system Selects the display language of the BIOS setup program Displays the CPU motherboard temperature CPU voltage output CPU chassis fan speed and SATA information Displays the system properties of the selected mode Click Enter to switch EZ System Tuning modes Displays the Advanced mode menus Se...

Page 19: ... CPU temperature CPU and memory voltage output Advanced Mode The Advanced Mode provides advanced options for experienced end users to configure the BIOS settings The figure below shows an example of the Advanced Mode Refer to the following sections for the detailed configurations To access the EZ Mode click EzMode F7 or press F7 Popup window Search on FAQ ASUS PRIME B250M K 2 3 ...

Page 20: ...d Exit This option allows you to exit the Setup program without saving your changes When you select this option or if you press Esc a confirmation window appears Select OK to discard changes and exit Launch EFI Shell from USB drives This option allows you to attempt to launch the EFI Shell application shellx64 efi from one of the available USB devices Exit menu The Exit menu items allow you to loa...

Page 21: ... 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 off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate...

Page 22: ... Cet appareil numérique de la Classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada Cet appareil est conforme aux normes CNR exemptes de licence d Industrie Canada Le fonctionnement est soumis aux deux conditions suivantes 1 cet appareil ne doit pas provoquer d interférences et 2 cet appareil doit accepter toute interférence y compris celles susceptibles de provo...

Page 23: ... the highest standards for protecting our environment We believe in providing solutions for you to be able to responsibly recycle our products batteries other components as well as the packaging materials Please go to http csr asus com english Takeback htm for detailed recycling information in different regions Regional notice for California WARNING This product may contain chemicals known to the ...

Page 24: ...ниям и другим соответствующим условиям соответствующих директив Подробную информацию пожалуйста смотрите на www asus com support Български С настоящото ASUSTeK Computer Inc декларира че това устройство е в съответствие със съществените изисквания и другите приложими постановления на свързаните директиви Пълният текст на декларацията за съответствие на ЕС е достъпна на адрес www asus com support Hr...

Page 25: ...L America Address 800 Corporate Way Fremont CA 94539 USA Telephone 1 510 739 3777 Fax 1 510 608 4555 Web site http www asus com us Technical Support Support fax 1 812 284 0883 Telephone 1 812 282 2787 Online support http qr asus com techserv ASUS COMPUTER GmbH Germany and Austria Address Harkort Str 21 23 40880 Ratingen Germany Fax 49 2102 959931 Web site http www asus com de Online contact http e...

Page 26: ...ME B250M K Conforms to the following specifications FCC Part 15 Subpart B Unintentional Radiators Supplementary Information This 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 Represent...

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