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ASROCK B450M PRO4 R2.0 User Manual

ASROCK B450M PRO4 R2.0
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English
30
GND
FAN_VOLTAGE_ CONTROL
FAN_SPEE D
FAN_SPEE D_CONTROL
GND
FAN_VOLTAGE_ CONTROL
FAN_SPEE D
FAN_SPEE D_CONTROL
GND
FAN_VOLTAGE_ CONTROL
FAN_SPEE D
FAN_SPEE D_CONTROL
Chassis/Water Pump Fan
Connectors
(4-pin CHA_FAN1/WP)
(see p.7, No. 26)
(4-pin CHA_FAN2/WP)
(see p.7, No. 16)
(4-pin CHA_FAN3/WP)
(see p.7, No. 17)
is motherboard
provides three 4-Pin water
cooling
chassis
fan
connectors. If you plan to
connect a 3-Pin
chassis
water cooler fan, please
connect it to Pin 1-3.
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.7, No. 3)
is motherboard pro-
vides a 4-Pin CPU fan
(Quiet Fan) connector.
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.
CPU/Water Pump Fan
Connector
(4-pin CPU_FAN2/WP)
(see p.7, No. 2)
is motherboard
provides a 4-Pin water
cooling CPU fan
connector. If you plan
to connect a 3-Pin CPU
water cooler fan, please
connect it to Pin 1-3.
1. High Denition Audio supports Jack Sensing, but the panel wire on the chassis must
support HDA to function correctly. Please follow the instructions in our manual and
chassis manual to install your system.
2. If you use an AC’97 audio panel, please install it to the front panel audio header by
the steps below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for the HD audio panel only. You don’t need to
connect them for the AC’97 audio panel.
E. To activate the front mic, go to the “FrontMic” Tab in the Realtek Control panel
and adjust “Recording Volume”.
FAN_VOLTAGE
GND
FAN_SPEED
FAN_SPEED_CONTROL
1
2
3
4

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ASROCK B450M PRO4 R2.0 Specifications

General IconGeneral
Processor socketSocket AM4
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7
Audio chipRealtek ALC892 / Realtek ALC897
Component forPC
Power source typeATX
Motherboard chipsetAMD B450
PC health monitoringFAN, Temperature, Voltage
Audio output channels7.1 channels
Motherboard form factormicro ATX
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Memory channelsDual-channel
Memory slots typeDIMM
Unbuffered memoryYes
Number of memory slots4
Supported memory typesDDR4-SDRAM
Maximum internal memory128 GB
Supported memory clock speeds2133, 2400, 2667, 2933, 3200 MHz
BIOS typeUEFI AMI
ACPI version5.1
BIOS memory size128 Mbit
System Management BIOS (SMBIOS) version2.3
DirectX version12.0
Maximum resolution4096 x 2160 pixels
Number of displays supported3
Parallel processing technology supportCrossFireX, Quad-GPU CrossFireX
HDMI version1.4
USB connector typeUSB Type-A, USB Type-C
USB 2.0 ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
Wi-FiNo
LAN controllerRealtek RTL8111H
Ethernet interface typeGigabit Ethernet
Cables includedSATA
Bundled softwareASRock A-Tuning ASRock Polychrome SYNC ASRock XFast LAN
RAID levels0, 1, 10
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, PCI Express 3.0, SATA III
Harmonized System (HS) code84733020
Weight and Dimensions IconWeight and Dimensions
Width244 mm

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