ASROCK WHLM-STX User manual

Version 1.0
Published March 2023
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.

PB 1
English
WHLM-STX
Top:
RJ-45
RoHS
1
5
USB_7_8
1
3
HDLED RESET
PLED PWRBTN
PANEL1
1
Mic In
USB 3.2 Gen1
USB_2
USB 3.2 Gen1
USB_1
Headphone
/ Headset
8
7
DC Jack
SPEAKER1
1
Super
I/O
BIOS
ROM
M2_WIFI
M2 _ 1
M2_WIFI_CT1
M2_1_CT1
CPU_FAN1
CPU_FAN2
1
AUDIO3
WHLM-STX
1
CLRMOS1
6
2
CMOS
Battery
4
DP_1
HDMI1
USB 3.2 Gen1
T: USB_3
B: USB_4
USB 2.0
T: USB_5
B: USB_6
DDR4_A1 DDR4_B1
VGA1
Top:
RJ-45
Motherboard Layout

2 3
English
910
SATA3SATA3
M2_2
Back Side View

2 3
English
WHLM-STX
No. Description
1 2 x 260-pin DDR4 SO-DIMM Slots (DDR4_A1, DDR4_B1)
2 CPU Fan Connector (CPU_FAN1)
3 Clear CMOS Jumper (CLRMOS1)
4 System Panel Header (PANEL1)
5 USB 2.0 Header (USB_7_8)
6 MONO Speaker Header (SPEAKER1)
7Audio Header (AUDIO3)
8 CPU Fan Connector (CPU_FAN2)
9 SATA3 Connector (SATA2)
10 SATA3 Connector (SATA1)

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English
Front Panel
No. Description No. Description
1Headphone/Headset Jack (AUDIO1) 3 USB 3.2 Gen1 Type-C Port (USB_2)
2 USB 3.2 Gen1 Type-A Port (USB_1) 4 Microphone Input (AUDIO2)
1234

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English
WHLM-STX
Rear Panel
No. Description No. Description
1 LAN RJ-45 Port* 6 DisplayPort 1.2
2 LAN RJ-45 Port* 7 HDMI Port
3 USB 3.2 Gen1 Type-A Ports (USB_34) 8 DC Jack**
4 USB 2.0 Ports (USB_56) (Supports 19V DC Power Adapters)
5D-Sub Port
**Specication for DC plug
2.5 mm
5.5 mm
* ere are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.
Activity / Link LED Speed LED
Status Description Status Description
O No Link O 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link Green 1Gbps connection
ACT/LINK LED
SPEED LED
LAN Port
83
2
6
7
4
1
5

6 7
English
Chapter 1 Introduction
ank you for purchasing WHLM-STX motherboard. In this documentation,
Chapter 1 and 2 contains the introduction of the motherboard and step-by-step
installation guides.
1.1 Package Contents
• WHLM-STX Motherboard (Mini-STX Form Factor)
• WHLM-STX Quick Installation Guide
• 1 x I/O Panel Shield
• 2 x Serial ATA(SATA) Data with Power Cable (Optional)
• 2 x Screws for M.2 Sockets (M2*2) (Optional)
• 1 x Screw for WiFi Module (M2*2) (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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WHLM-STX
1.2 Specications
Platform • Mini-STX Form Factor
CPU • Supports Intel® Core™ i3-8145U Processor (4M Cache, up to
3.90 GHz)
• Supports Intel® Celeron® Processor 4205U (2M Cache, 1.80
GHz)
• 3 Power Phase design
Chipset • Cannon Lake PCH-LP
Memory • Dual Channel DDR4 Memory Technology
• 2 x DDR4 SO-DIMM Slots
• Supports DDR4 2400/2133 non-ECC, un-buered memory
(Intel® Core™ i3-8145U)
• Supports DDR4 2133 non-ECC, un-buered memory (Intel®
Celeron® 4205U)
• Max. capacity of system memory: 64GB
• Supports Intel® Extreme Memory Prole (XMP) 2.0
Expansion
Slot
• 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module
* Support Intel® PCIe module.
Graphics • Intel® UHD Graphics Built-in Visuals and the VGA outputs
• Intel® UHD Graphics 620 (Intel® Core™ i3-8145U)
• Intel® UHD Graphics 610 (Intel® Celeron® 4205U)
• Supports Intel® UHD 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® UHD Graphics
• DirectX 12
• HWAEncode/Decode: AVC/H.264, HEVC/H.265 8-bit,
HEVC/H.265 10-bit, VP8, VP9 8-bit, VP9 10-bit (Decode
only), MPEG2, MJPEG, VC-1 (Decode only)

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English
• Max. shared memory 1024MB
* e size of maximum shared memory may vary from dierent
operating systems.
• ree graphics output options: D-Sub, DisplayPort 1.2 and
HDMI
• Supports Triple Monitor
• Supports HDMI with max. resolution up to 4K x 2K
(4096x2160) @ 30Hz
• Supports D-Sub with max. resolution up to 1920x1200 @
60Hz
• Supports DisplayPort 1.2 with DSC (compressed) max.
resolution up to 4K x 2K (4096x2304) @ 60Hz
• 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 and DisplayPort Ports
• Supports 4K Ultra HD (UHD) playback with HDMI Port and
DisplayPort Ports
Audio • Realtek ALC269 Audio Codec
• 1 x Headphone/Headset Jack
• 1 x MIC-In
• 1 x Audio Header
LAN • PCIE x1 Gigabit LAN 10/100/1000 Mb/s
• 2 x Realtek RTL8111H
• 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 3.2 Gen1 Type-A Port (Supports ESD Protection)
• 1 x USB 3.2 Gen1 Type-C Port (Supports ESD Protection)
• 1 x Microphone Input Jack