ASROCK B550 PHANTOM GAMING 4 User manual

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for further information. For technical questions, please submit a support request
form at https://event.asrock.com/tsd.asp
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e-mail: [e-mail]
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e-mail: [e-mail]
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e-mail: sa[email protected]
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B550 Phantom Gaming 4/ac
B550 Phantom Gaming 4

B550 Phantom Gaming 4/ac
B550 Phantom Gaming 4
1
English
Motherboard Layout
DDR4_A2 (64 bit, 288-pin module)
DDR4_A1 (64 bit, 288-pin module)
DDR4_B2 (64 bit, 288-pin module)
DDR4_B1 (64 bit, 288-pin module)
ATX12V1
ATXPWR1
PCIE3
HDLED RESET
PLED PWRBTN
PANEL1
1
USB_3_4
11
SPK_PLED1
1
HD_AUDIO1
PCIE1
RoHS
13
17
2
Hyper M.2
PCIe Gen4 x4
CMOS
Battery
PCIE2
12
9
USB3_7_8
10
SATA3_4
SATA3_3
CLRCMOS1
1
3
PCIE4
AUDIO
CODEC
SUPER
I/O
18
20
2122
28 19
6
5
CHA_FAN3/WP
CHA_FAN1/WP
CPU_FAN2/WP
ATX12V2
CPU_FAN1
4
1
16
ADDR_LED1
1
RGB_LED1
1
26
ADDR_LED2
1
RGB_LED2
17
8
29
CPU
DRAM
VGA
BOOT
USB 3 .2 Gen1
T:USB3_1
B: USB3_2
Top:
RJ-45
USB 3.2 Gen1
T: USB3_5
B: USB3_6
PS2
Keyboard
/Mouse
Top:
LINE IN
Center:
FRONT
Bottom:
MIC IN
USB_1_2
1
27
SOCKETAM4
15
14
SATA3_2
SATA3_1
COM1
1
23
CHA_FAN2/WP
M2_1
C 3
C 2
TTC 4
T
C 1
T
25 24
CHA_FAN4/WP
USB 3.2 Gen1
T: USB3_3
B: USB3_4
HDMI1
1
SPI_TPM_J1
11
AMD
B550
M2_2
M2_WIFI_CT1WiFi-802.11ac
Module
B550 Phantom Gaming 4/ac

English
2
No. Description
1 CPU Fan / Waterpump Fan Connector (CPU_FAN2/WP)
2 ATX 12V Power Connector (ATX12V1)
3 ATX 12V Power Connector (ATX12V2)
4 CPU Fan Connector (CPU_FAN1)
5 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
6 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
7 RGB LED Header (RGB_LED2)
8 Addressable LED Header (ADDR_LED2)
9 ATX Power Connector (ATXPWR1)
10 USB 3.2 Gen1 Header (USB3_7_8)
11 SPI TPM Header (SPI_TPM_J1)
12 SATA3 Connector (SATA3_3)
13 SATA3 Connector (SATA3_4)
14 SATA3 Connector (SATA3_1)
15 SATA3 Connector (SATA3_2)
16 Post Status Checker (PSC)
17 System Panel Header (PANEL1)
18 Power LED and Speaker Header (SPK_PLED1)
19 Chassis Fan / Waterpump Fan Connector (CHA_FAN1/WP)
20 Clear CMOS Jumper (CLRCMOS1)
21 USB 2.0 Header (USB_3_4)
22 USB 2.0 Header (USB_1_2)
23 Chassis Fan / Waterpump Fan Connector (CHA_FAN2/WP)
24 Chassis Fan / Waterpump Fan Connector (CHA_FAN4/WP)
25 Addressable LED Header (ADDR_LED1)
26 RGB LED Header (RGB_LED1)
27 COM Port Header (COM1)
28 Front Panel Audio Header (HD_AUDIO1)
29 Chassis Fan / Waterpump Fan Connector (CHA_FAN3/WP)

B550 Phantom Gaming 4/ac
B550 Phantom Gaming 4
3
English
DDR4_A2 (64 bit, 288-pin module)
DDR4_A1 (64 bit, 288-pin module)
DDR4_B2 (64 bit, 288-pin module)
DDR4_B1 (64 bit, 288-pin module)
ATX12V1
ATXPWR1
PCIE3
HDLED RESET
PLED PWRBTN
PANEL1
1
USB_3_4
11
SPK_PLED1
1
HD_AUDIO1
PCIE1
RoHS
12
15
19
2
Hyper M.2
PCIe Gen4 x4
CMOS
Battery
PCIE2
14
9
USB3_7_8
10
SATA3_6
SATA3_5
SATA3_4
SATA3_3
CLRCMOS1
1
M2_2
M2_WIFI_CT1
M2_3
C 7
C 6
C 5
3
PCIE4
TTT
AUDIO
CODEC
SUPER
I/O
13
20
22
2324
30 21
6
5
CHA_FAN3/WP
CHA_FAN1/WP
CPU_FAN2/WP
ATX12V2
CPU_FAN1
4
1
18
ADDR_LED1
1
RGB_LED1
1
28
ADDR_LED2
1
RGB_LED2
17
8
31
CPU
DRAM
VGA
BOOT
USB 3 .2 Gen1
T:USB3_1
B: USB3_2
Top:
RJ-45
USB 3.2 Gen1
T: USB3_5
B: USB3_6
PS2
Keyboard
/Mouse
Top:
LINE IN
Center:
FRONT
Bottom:
MIC IN
USB_1_2
1
29
C 8
T
SOCKETAM4
17
16
SATA3_2
SATA3_1
COM1
1
25
CHA_FAN2/WP
M2_1
C 3
C 2
TTC 4
T
C 1
T
27 26
CHA_FAN4/WP
USB 3.2 Gen1
T: USB3_3
B: USB3_4
HDMI1
1
SPI_TPM_J1
11
AMD
B550
B550 Phantom Gaming 4

English
4
No. Description
1 CPU Fan / Waterpump Fan Connector (CPU_FAN2/WP)
2 ATX 12V Power Connector (ATX12V1)
3 ATX 12V Power Connector (ATX12V2)
4 CPU Fan Connector (CPU_FAN1)
5 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
6 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
7 RGB LED Header (RGB_LED2)
8 Addressable LED Header (ADDR_LED2)
9 ATX Power Connector (ATXPWR1)
10 USB 3.2 Gen1 Header (USB3_7_8)
11 SPI TPM Header (SPI_TPM_J1)
12 SATA3 Connector (SATA3_5)
13 SATA3 Connector (SATA3_6)
14 SATA3 Connector (SATA3_3)
15 SATA3 Connector (SATA3_4)
16 SATA3 Connector (SATA3_1)
17 SATA3 Connector (SATA3_2)
18 Post Status Checker (PSC)
19 System Panel Header (PANEL1)
20 Power LED and Speaker Header (SPK_PLED1)
21 Chassis Fan / Waterpump Fan Connector (CHA_FAN1/WP)
22 Clear CMOS Jumper (CLRCMOS1)
23 USB 2.0 Header (USB_3_4)
24 USB 2.0 Header (USB_1_2)
25 Chassis Fan / Waterpump Fan Connector (CHA_FAN2/WP)
26 Chassis Fan / Waterpump Fan Connector (CHA_FAN4/WP)
27 Addressable LED Header (ADDR_LED1)
28 RGB LED Header (RGB_LED1)
29 COM Port Header (COM1)
30 Front Panel Audio Header (HD_AUDIO1)
31 Chassis Fan / Waterpump Fan Connector (CHA_FAN3/WP)

B550 Phantom Gaming 4/ac
B550 Phantom Gaming 4
5
English
I/O Panel
B550 Phantom Gaming 4/ac
1
10 6
7
2
5
4
3
8
9
B550 Phantom Gaming 4
1
10 6
7
2
5
4
3
8
9
No. Description No. Description
1 PS/2 Mouse/Keyboard Port 6 USB 3.2 Gen1 Ports (USB3_5_6)
2 LAN RJ-45 Port* 7 USB 3.2 Gen1 Ports (USB3_3_4)
3 Line In (Light Blue)** 8 Antenna Ports
4 Front Speaker (Lime)** 9 HDMI Port
5 Microphone (Pink)** 10 USB 3.2 Gen1 Ports (USB3_1_2)
No. Description No. Description
1 PS/2 Mouse/Keyboard Port 6 USB 3.2 Gen1 Ports (USB3_5_6)
2 LAN RJ-45 Port* 7 USB 3.2 Gen1 Ports (USB3_3_4)
3 Line In (Light Blue)** 8 Antenna Bracket
4 Front Speaker (Lime)** 9 HDMI Port
5 Microphone (Pink)** 10 USB 3.2 Gen1 Ports (USB3_1_2)

English
6
* 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
** Function of the Audio Ports in 7.1-channel Conguration:
Port Function
Light Blue (Rear panel) Rear Speaker Out
Lime (Rear panel) Front Speaker Out
Pink (Rear panel) Central /Subwoofer Speaker Out
Lime (Front panel) Side Speaker Out

B550 Phantom Gaming 4/ac
B550 Phantom Gaming 4
7
English
WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz Antennas
(For B550 Phantom Gaming 4/ac)
WiFi-802.11ac + BT Module
is motherboard comes with an exclusive WiFi 802.11 a/b/g/n/ac + BT v4.2 module
that oers support for WiFi 802.11 a/b/g/n/ac connectivity standards and Bluetooth
v4.2. WiFi + BT module is an easy-to-use wireless local area network (WLAN) adapter
to support WiFi + BT. Bluetooth v4.2 standard features Smart Ready technology that
adds a whole new class of functionality into the mobile devices. BT 4.2 also includes
Low Energy Technology and ensures extraordinary low power consumption for PCs.
* e transmission speed may vary according to the environment.

English
8
WiFi Antennas Installation Guide
Step 1
Prepare the WiFi 2.4/5 GHz Antennas that come
with the package.
Step 2
Connect the two WiFi 2.4/5 GHz Antennas to
the antenna connectors. Turn the antenna clock-
wise until it is securely connected.
Step 3
Set the WiFi 2.4/5 GHz Antenna as shown in the
illustration.
*You may need to adjust the direction of
the antenna for a stronger signal.

B550 Phantom Gaming 4/ac
B550 Phantom Gaming 4
9
English
Chapter 1 Introduction
ank you for purchasing ASRock B550 Phantom Gaming 4/ac / B550 Phantom
Gaming 4 motherboard, a reliable motherboard produced under ASRock’s
consistently stringent quality control. It delivers excellent performance with robust
design conforming to ASRock’s commitment to quality and endurance.
1.1 Package Contents
• ASRock B550 Phantom Gaming 4/ac / B550 Phantom Gaming 4 Motherboard (ATX
Form Factor)
• ASRock B550 Phantom Gaming 4/ac / B550 Phantom Gaming 4 Quick Installation
Guide
• ASRock B550 Phantom Gaming 4/ac / B550 Phantom Gaming 4 Support CD
• 2 x Serial ATA (SATA) Data Cables (Optional)
• 2 x ASRock WiFi 2.4/5 GHz Antennas (Optional) (B550 Phantom Gaming 4/ac)
• 1 x Screw for M.2 Socket (Optional) (B550 Phantom Gaming 4/ac)
• 3 x Screws for M.2 Sockets (Optional) (B550 Phantom Gaming 4)
• 1 x I/O Panel Shield
Because the motherboard specications and the BIOS soware might be updated, the
content of this manual will be subject to change without notice. In case any modica-
tions of this manual occur, the updated version will be available on ASRock’s website
without further notice. If you require technical support related to this motherboard,
please visit our website for specic information about the model you are using. You
may nd the latest VGA cards and CPU support list on ASRock’s website as well.
ASRock website http://www.asrock.com.