Asus PRIME B250M-A driver and firmware
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Motherboard Pin Definition.English - Page 4
... clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords.
To erase the RTC RAM:
CLRTC
12
23
Normal (Default)
Clear RTC
1. Turn OFF the computer and unplug the power cord.
2. Move...
Motherboard Pin Definition.English - Page 6
... to 5 Gbps, faster charging time for USB-chargeable devices, optimized power efficiency, and
PIN 1
backward compatibility with USB 2.0.
USB3
USB3+5V IntA_P2_SSRXIntA_P2_SSRX+
GND IntA_P2_SSTXIntA_P2_SSTX+
GND IntA_P2_DIntA_P2_D+
4. USB 2.0 connector (10-1 pin)
This connector is for USB 2.0 ports. Connect the USB module cable
USB
to this connector, then install the module to a slot opening at...
Motherboard Pin Definition.English - Page 7
... (5-1 pin)
This connector is for a USB 2.0 port. Connect the USB module cable to this connector, then install the module to a slot opening at the back of the system chassis. This USB connector complies with USB 2.0 specifications and supports up to 480Mbps connection speed.
USBE5
+5V DC Data(negative) Data(positive) Groud
PIN 1
6. A TX power connectors (24-pin EATXPWR, 8-pin...
Motherboard Pin Definition.English - Page 8
... GND GND GND
11. LPT connector (26-1 pin LPT) The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT standardizes as IEEE 1284, which is the parallel port interface on IBM PC-compatible computers.
PIN 1
O_LPT_XSTB#_R O_LPT_XPD0_R O_LPT_XPD1_R O_LPT_XPD2_R O_LPT_XPD3_R O_LPT_XPD4_R O_LPT_XPD5_R O_LPT_XPD6_R O_LPT_XPD7_R O_LPT_ACK#_R O_LPT_BUSY_R O_LPT_PE_R O_LPT_SLCT_R...
Motherboard Pin Definition.English - Page 9
...)
This connector connects to SATA 6.0 Gb/s hard disk drives via SATA 6.0 Gb/s signal cables. If you installed SATA hard disk drives, you can create a RAID 0, 1, 5, and 10 configuration with the Intel® Rapid Storage Technology through the onboard Intel® chipset.
The SATAEXPRESS connector can support one SATA Express device or two SATA devices.
GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXN1...
Motherboard Pin Definition.English - Page 13
... +3V
18. M.2 socket 3 This socket allows you to install an M.2 (NGFF) SSD module.
• This socket supports M Key and 2242/2260/2280/22110 or 2242/2260/22110 storage devices by models.
• When using Intel® Desktop Responsiveness technologies with PCIe/SATA M.2 device, ensure to set up the Windows® UEFI operating system under RAID mode.
M.2(SOCKET3)
19. M.2 socket 1, E Key
This...
Motherboard Pin Definition.English - Page 17
... fails to boot up due to BIOS overclocking, press the MemOK! button to boot and load the BIOS default settings. A message will appear during POST reminding you that the BIOS has been restored to its default settings.
• We recommend that you download and update to the latest BIOS version from the ASUS website at www.asus.com after using the MemOK...
E12583 BIOS Update ManualEnglish - Page 2
... the express written permission of ASUSTeK COMPUTER INC. ("ASUS"). Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF...
E12583 BIOS Update ManualEnglish - Page 4
...on your motherboard.
Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future.
Chapter 1: UEFI BIOS - Graphics Mode
1.1
EZ Update
EZ Update is a utility that allows you to automatically update your motherboard's softwares, drivers and the BIOS version easily. With this utlity, you can also manually update the saved BIOS and select...
E12583 BIOS Update ManualEnglish - Page 5
... utility, download the latest BIOS file from the ASUS website at www.asus.com
To update the BIOS using EZ Flash 2: 1. Insert the USB flash disk that contains the latest BIOS file to the USB port. 2. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select
ASUS EZ Flash 2 Utility and press to enable it. 3. Press to switch to the Drive field...
E12583 BIOS Update ManualEnglish - Page 7
...the BIOS To recover the BIOS:
1. Turn on the system.
2. Insert the support DVD to the optical drive or the USB flash drive that contains the BIOS file to the USB port.
3. The utility automatically checks the devices for the BIOS file. When found, the utility reads the BIOS file and enters ASUS EZ Flash 3 utility automatically.
4. The system requires you to enter BIOS Setup to recover BIOS settings...
E12583 BIOS Update ManualEnglish - Page 8
...• Before you start using this utility, download the latest BIOS file from the ASUS website at www.asus.com
• Check your Internet connection before updating the BIOS via the Internet.
To update the BIOS using EZ Flash: 1. Insert the USB flash disk that contains the latest BIOS file to the USB port. 2. Press + during POST to enter ASUS EZ Flash utility. 3. Press the Up/Down arrow keys...
E12583 BIOS Update ManualEnglish - Page 9
... the motherboard support DVD and a USB flash drive.
• Download the latest BIOS file and BIOS Updater from http://support.asus.com and save them in your USB flash drive.
NTFS is not supported under FreeDOS environment. Ensure that your USB flash drive is in single partition and in FAT32/16 format.
• Turn off the computer. • Ensure that your computer has a DVD optical drive...
PRIME B250M-A Users manual ENGLISH - Page 2
... the express written permission of ASUSTeK COMPUTER INC. ("ASUS"). Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF...
PRIME B250M-A Users manual ENGLISH - Page 5
... updates.
1. ASUS websites
The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information.
2. Optional documentation
Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. These documents are not part of the standard package.
Conventions used in this guide
To ensure...
PRIME B250M-A Users manual ENGLISH - Page 6
... M.2 Socket 3 is set to SATA mode, SATA port 1 is disabled. ** Intel® Optane Technology is only supported when using 7th Generation Intel® processors.
Before using Intel® Optane memory modules, ensure that you have updated your motherboard drivers and BIOS to the latest version from ASUS support website. ***These functions will work depending on the CPU installed.
(continued on the...
PRIME B250M-A Users manual ENGLISH - Page 9
PRIME B250M-A specifications summary
Manageability Support DVD
OS support Form factor
WfM 2.0, DMI 3.0, WOL/WOR by PME, PXE
Drivers ASUS utilities EZ Update Anti-virus software (OEM version) Windows® 10 ( 64-bit) Windows® 8.1 (64-bit)* Windows® 7 (64-bit / 32-bit)* * Windows® 8.1 64-bit and Windows® 7 32/64-bit are only supported when using 6th
Generation Intel® ...
PRIME B250M-A Users manual ENGLISH - Page 16
...xHCI controller. Some legacy USB devices must update their firmware for better compatibility.
9. HDMI port. This port is for a High-Definition Multimedia Interface (HDMI) connector, and is HDCP compliant allowing playback of HD DVD, Blu-Ray, and other protected content.
10. USB 5Gb/s Type C port. This 24-pin Universal Serial Bus (USB) port is for USB (Type C) devices.
11. DVI-D port. This port is...
PRIME B250M-A Users manual ENGLISH - Page 18
... system memory if you are using a 32-bit Windows® OS. - Install a 64-bit Windows® OS if you want to install 4GB or more on the motherboard.
- For more details, refer to the Microsoft® support site at http://support.microsoft. com/kb/929605/en-us.
• Visit the ASUS website at www.asus.com for the latest QVL.
1-9
ASUS PRIME B250M-A
PRIME B250M-A Users manual ENGLISH - Page 20
... to boot after changing any BIOS setting, try to clear the CMOS and reset the motherboard to the default value. See section Motherboard overview for information on how to erase the RTC RAM.
BIOS menu screen The BIOS setup program can be used under two modes: EZ Mode and Advanced Mode. Press to change between the two modes.
2-1
ASUS PRIME B250M-A