ASROCK A520M-ITX/ac User Manual

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2.6 Onboard Headers and Connectors
System Panel Header
(9-pin PA NEL1)
(see p.7, No. 10)
Connect the power
button, reset button and
system status indicator on
the chassis to this header
according to the pin
assignments below. Note
the positive and negative
pins before connecting
the cables.
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.7, No. 14)
Please connect the chassis
speaker to this header.
Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over
these headers and connectors. Placing jumper caps over the headers and connectors
will cause permanent damage to the motherboard.
PWRBTN (Power Button):
Connect to the power button on the chassis front panel. You may congure the way
to turn o your system using the power button.
RESET (Reset Button):
Connect to the reset button on the chassis front panel. Press the reset button to
restart the computer if the computer freezes and fails to perform a normal restart.
PLED (System Power LED):
Connect to the power status indicator on the chassis front panel. e LED is on when
the system is operating. e LED keeps blinking when the system is in S1/S3 sleep
state. e LED is o when the system is in S4 sleep state or powered o (S5).
HDLED (Hard Drive Activity LED):
Connect to the hard drive activity LED on the chassis front panel. e LED is on
when the hard drive is reading or writing data.
e front panel design may dier by chassis. A front panel module mainly consists
of power button, reset button, power LED, hard drive activity LED, speaker and etc.
When connecting your chassis front panel module to this header, make sure the wire
assignments and the pin assignments are matched correctly.
GND RESET#
PWRBTN
#
PLED-
PLED+
GND
HDLED-
HDLED+
1
GND
1
+5V
DUMMY
DUMMY
SPEAKER

ASROCK A520M-ITX/ac Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3 3rd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7 2nd Gen, AMD Ryzen 9 3rd Gen
Non-ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR4-SDRAM
Maximum internal memory	64 GB
Supported memory clock speeds	2133, 2400, 2667, 2933, 3200, 3466, 3733, 3800, 3866, 4000, 4133, 4200, 4266, 4333, 4400, 4466 MHz
Component for	PC
Motherboard chipset	-
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Number of HDDs supported	5
Supported storage drive interfaces	M.2, SATA III
Graphics card	Radeon Vega
Number of SATA III connectors	0
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
BIOS type	UEFI AMI
Cables included	SATA
LAN controller	Realtek RTL8111H
Wi-Fi standards	Wi-Fi 5 (802.11ac)
Bluetooth version	4.2
Ethernet interface type	Gigabit Ethernet
Harmonized System (HS) code	84733020

Weight and Dimensions

Depth	201 mm
Width	230 mm