ASROCK Z270M-STX MXM User manual

Version 1.0
Published May 2017
is 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.
CALIFORNIA, USA ONLY
e Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance
controlled in Perchlorate Best Management Practices (BMP) regulations passed by the
California Legislature. When you discard the Lithium battery in California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/
perchlorate”

AUSTRALIA ONLY
Our goods come with guarantees that cannot be excluded under the Australian Consumer
Law. You are entitled to a replacement or refund for a major failure and compensation for
any other reasonably foreseeable loss or damage caused by our goods. You are also entitled
to have the goods repaired or replaced if the goods fail to be of acceptable quality and the
failure does not amount to a major failure.
e terms HDMI™ and HDMI High-Denition Multimedia Interface, and the HDMI
logo are trademarks or registered trademarks of HDMI Licensing LLC in the United
States and other countries.

Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Specications 2
1.3 Motherboard Layout 7
1.4 Front Panel 10
1.5 Rear Panel 11
Chapter 2 Installation 12
2.1 Installing the CPU 13
2.2 Installing the CPU Fan and Heatsink 16
2.3 Installing Memory Modules (SO-DIMM) 17
2.4 Installing Mobile PCI Express Module (MXM) 19
2.5 Onboard Headers and Connectors 29
2.6 M.2 WiFi/BT Module Installation Guide 32
2.7 M.2_SSD (NGFF) Module Installation Guide (M2_1, M2_3) 34
2.8 M.2_SSD (NGFF) Module Installation Guide (M2_2) 37
2.9 RGB LED 41
Chapter 3 Software and Utilities Operation 42
3.1 Installing Drivers 42
Chapter 4 UEFI SETUP UTILITY 43
4.1 Introduction 43
4.2 EZ Mode 44
4.3 Advanced Mode 45

4.3.1 UEFI Menu Bar 45
4.3.2 Navigation Keys 46
4.4 Main Screen 47
4.5 OC Tweaker Screen 48
4.6 Advanced Screen 57
4.6.1 CPU Conguration 58
4.6.2 Chipset Conguration 60
4.6.3 Storage Conguration 63
4.6.4 ACPI Conguration 64
4.6.5 USB Conguration 65
4.6.6 Trusted Computing 66
4.7 Tools 67
4.8 Hardware Health Event Monitoring Screen 70
4.9 Security Screen 71
4.10 Boot Screen 72
4.11 Exit Screen 74

English
1
Z270M-STX MXM / B250M-STX MXM
Chapter 1 Introduction
In this documentation, Chapter 1 and 2 contains the introduction of the
motherboard and step-by-step installation guides. Chapter 3 contains the operation
guide of the soware and utilities. Chapter 4 contains the conguration guide of
the BIOS setup.
1.1 Package Contents
• Z270M-STX MXM / B250M-STX MXM Motherboard (Micro-STX Form Factor)
• Z270M-STX MXM / B250M-STX MXM Quick Installation Guide
• Z270M-STX MXM / B250M-STX MXM Support CD
• 1 x I/O Panel Shield
• 2 x Serial ATA (SATA) Data with Power Cables (Optional)
• 4 x Screws for M.2 Socket (Optional)
• 2 x Screws for MXM Slot (Optional)
Because the motherboard specications and the BIOS soware might be updated, the
content of this documentation will be subject to change without notice.

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1.2 Specications
Platform • Micro-STX Form Factor
CPU • Supports 7th and 6th Generation Intel® CoreTM i7/i5/i3/
Pentium®/Celeron® Processors (Socket 1151)
• 3+1 Power Phase design
• Supports Intel® Turbo Boost 2.0 Technology
• Supports Intel® K-Series unlocked CPUs (for Z270M-STX
MXM only)
Chipset • Intel® Z270 (for Z270M-STX MXM)
• Intel® B250 (for B250M-STX MXM)
Memory Z270M-STX MXM:
• Dual Channel DDR4 Memory Technology
• 2 x DDR4 SO-DIMM Slots
• Supports DDR4 3200+(OC)/2933(OC)/2800(OC) /2400*/2133
non-ECC, un-buered memory
* 7th Gen Intel® CPU supports DDR4 up to 2400; 6th Gen Intel®
CPU supports DDR4 up to 2133.
• Supports ECC memory modules (operate in non-ECC mode)
• Max. capacity of system memory: 32GB
• Supports Intel® Extreme Memory Prole (XMP) 2.0
B250M-STX MXM:
• Dual Channel DDR4 Memory Technology
• 2 x DDR4 SO-DIMM Slots
• Supports DDR4 2400/2133 non-ECC, un-buered memory*
* 7th Gen Intel® CPU supports DDR4 up to 2400; 6th Gen Intel®
CPU supports DDR4 up to 2133.
• Supports ECC memory modules (operate in non-ECC mode)
• Max. capacity of system memory: 32GB
• Supports Intel® Extreme Memory Prole (XMP) 2.0
Expansion
Slot
• 1 x Mobile PCI Express Module (MXM) Slot
• 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module

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Z270M-STX MXM / B250M-STX MXM
Onboard
Graphics
• Intel® HD Graphics Built-in Visuals and the VGA outputs can
be supported only with processors which are GPU integrated.
• Supports Intel® HD Graphics Built-in Visuals : Intel® Quick
Sync Video with AVC, MVC (S3D) and MPEG-2 Full
HW Encode1, Intel® InTruTM 3D, Intel® Clear Video HD
Technology, Intel® InsiderTM, Intel® HD Graphics
• Gen9 LP, DX11.3, DX12
• HWAEncode/Decode: VP8, HEVC 8b, VP9, HEVC 10b (For
7th Gen Intel® CPU)
• HWA Encode/Decode: VP8 , HEVC 8b; GPU/SWEncode/
Decode: VP9, HEVC 10b (For 6th Gen Intel® CPU)
• Max. shared memory 1024MB
* e size of maximum shared memory may vary from dierent
operating systems.
• Supports HDMI with max. resolution up to 4K x 2K
(4096x2160) @ 24Hz / (3840x2160) @ 30Hz (on HDMI1)
• Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and
HBR (High Bit Rate Audio) with HDMI Port (Compliant
HDMI monitor is required)
• Supports HDCP with HDMI Port
• Supports Full HD 1080p Blu-ray (BD) playback with HDMI
Port
External
Graphics
• Supports HDMI with max. resolution up to 4K x 2K
(4096x2160) @ 60Hz (on HDMI)*
• Supports DisplayPort 1.2 with max. resolution up to 4K x 2K
(4096x2304) @ 60Hz*
• Supports Mini DisplayPort 1.2 with max. resolution up to 4K
x 2K (4096x2304) @ 60Hz*
* e HDMI, DisplayPort and Mini DisplayPort ports are only
available when a MXM graphics card is installed.
* e resolution of HDMI, DisplayPort and Mini DisplayPort
may vary based on dierent graphics cards.
Audio • Realtek ALC283 Audio Codec
• 1 x Headphone/Headset Jack
• 1 x MIC-In

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LAN • Gigabit LAN 10/100/1000 Mb/s
• Giga PHY Intel® I219V
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection
• Supports Energy Ecient Ethernet 802.3az
• Supports PXE
Front
Panel I/O
• 1 x Headphone/Headset Jack
• 1 x USB 3.0 Type-A Port (Supports ESD Protection)
• 1 x USB 3.0 Type-C Port (Supports ESD Protection)
• 1 x Microphone Input Jack
Rear Panel
I/O
• 1 x DC Power Din Jack (Compatible with the 19V power
adapter)
• 2 x HDMI Ports
• 1 x DisplayPort
• 1 x Mini DisplayPort
• 2 x USB 3.0 Ports (Supports ESD Protection)
• 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED
LED)
Storage Z270M-STX MXM:
• 2 x SATA3 6.0 Gb/s with Power Connectors, support RAID
(RAID 0, RAID 1, RAID 5, RAID 10, Intel Rapid Storage
Technology 15 and Intel Smart Response Technology), NCQ,
AHCI and Hot Plug
• 2 x Ultra M.2 Sockets (M2_1 and M2_3), supports M Key
type 2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI
Express module up to Gen3 x4 (32 Gb/s)*
• 1 x Ultra M.2 Socket (M2_2), supports M Key type
2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32
Gb/s)*

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Z270M-STX MXM / B250M-STX MXM
* Supports Intel® OptaneTM Technology
* Supports NVMe SSD as boot disks
B250M-STX MXM:
• 2 x SATA3 6.0 Gb/s with Power Connectors, support NCQ,
AHCI and Hot Plug
• 1 x Ultra M.2 Socket (M2_1), supports M Key type 2260/2280
M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up
to Gen3 x4 (32 Gb/s)*
• 1 x M.2 Socket (M2_3), supports M Key type 2260/2280 M.2
SATA3 6.0 Gb/s module*
• 1 x Ultra M.2 Socket (M2_2), supports M Key type
2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32
Gb/s)*
* Supports Intel® OptaneTM Technology (on M2_2)
* Supports NVMe SSD as boot disks
Connector • 1 x RGB LED Header
* Supports up to 12V/3A, 36W LED Strip
• 2 x CPU Fan Connectors (4-pin)
* e CPU Fan Connector supports the CPU fan of maximum
1A (12W) fan power.
• 1 x GPU Fan Connector (5-pin)
• 1 x Front Panel Audio Connector
• 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD
Protection)
BIOS
Feature
• AMI UEFI Legal BIOS with multilingual GUI support
• ACPI 6.0 Compliant wake up events
• SMBIOS 2.7 Support
• DRAM Voltage, VCORE Multi-adjustment
Hardware
Monitor
• CPU temperature sensing
• CPU Tachometer
• CPU Quiet Fan (Auto adjust chassis fan speed by CPU tem-
perature)
• Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM