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B550 AORUS PROB550 AORUS PRO AC
B550 AORUS PRO AC
B550 AORUS PRO
Rev. 1201
12MC-B55APRW-1201R
© 2021
https://www.gigabyte.com/tw
REV : X.X X.X
REV : 1.0 1.0 BIOS
- 3 -
B550 AORUS PRO (AC) .......................................................................4
B550 AORUS PRO (AC) ..............................................................5
.......................................................................................................6
1-1 ......................................................................................... 6
1-2 .......................................................................................................... 7
1-3 ........................................................................................... 11
1-4 ........................................................................................... 11
1-5 .................................................................................................... 12
1-6 ....................................................................................... 12
1-7 ........................................................................................... 15
BIOS ............................................................................................23
2-1 ........................................................................................................ 23
2-2 BIOS ................................................................................... 24
2-3 Favorites (F11) () ............................................................................. 25
2-4 Tweaker (/) .............................................................................. 26
2-5 Settings () ................................................................................................. 29
2-6 System Info. () ................................................................................. 34
2-7 Boot () ..................................................................................... 35
2-8 Save & Exit () ............................................... 38
..............................................................................................................39
3-1 ................................................................................................ 39
3-2 ................................................................................................ 41
Regulatory Notices ...................................................................................................... 42
....................................................................... 46
............................................................................................. 48
- 4 -
B550 AORUS PRO (AC)
*
5B550 AORUS PRO AC B550 AORUS PRO - 1
5- 1 5SATA - 4
5- 1 5G Connector - 1
5- 1 5- 1 ( )
5RGB LED - 1 5- 2
( ) B550 AORUS PRO AC
Socket AM4
AMD B550
USB20 CPU_FAN
ATX_12V
ATX
F_AUDIO
AUDIO
BAT
F_PANEL
PCIEX2
CLR_CMOS
CODEC
M_BIOS
PCIEX16
B550 AORUS PRO (AC)
iTE®
Super I/O
F_USB1
LED_C1
TPM
F_U32
M2B_SB
42
6080
110
CPU_OPT
M2_WIFI ()
SYS_FAN1
F_USB2 SYS_FAN3
D_LED1
D_LED2
LED_C2
CPU DRAM
VGA BOOT
SYS_FAN5_PUMPSYS_FAN4
SYS_FAN2
EC_TEMP1
DDR4_A1
DDR4_A2
DDR4_B1
DDR4_B2
SATA3 420
531
SYS_FAN6_PUMP
EC_TEMP2
PCIEX1_2
PCIEX4
PCIEX1_1
M2A_CPU
42
6080
110
LED_CPU
Realtek®
2.5GbE LAN
U32G2C
U32G2_LAN
U32_2
QFLASH_PLUS
QFLED
USB_HDMI
U32_1
USB 2.0 Hub
USB 2.0 Hub
THB_C
AMD Socket
AM4 CPU
CPU CLK+/- (100~500 MHz)
PCI Express 4.0/3.0 Bus
PCIe 3.0 x4
4 SATA 6Gb/s
(SATA3 0~3)
Center/Subwoofer
Speaker Out
Line Out
MIC
Line In
S/PDIF Out
Rear Speaker Out
CODEC
8 USB 2.0/1.1
2 USB 3.2 Gen 1
3 USB 3.2 Gen 1
1 USB 3.2 Gen 2
Type A
AMD B550
HDMI
USB 2.0
Hub
1 M.2 Socket 3
(M2A_CPU)
LPC
Bus
TPM
iTE®
Super I/O
SPI
Bus BIOS
x16
1 PCI Express x16
DDR4 3200/2933/2667/2400/2133 MHz
2 USB 2.0/1.1
1 USB 3.2 Gen 2
Type A
M.2 WIFI
Module ()
x4
Switch
1 x PCI Express x4
(PCIEX4)
1 M.2 Socket 3
(M2B_SB)
x1
PCI Express 3.0 Bus
LAN
RJ45
Realtek®
2.5GbE LAN
PCI Express 3.0 Bus
x2 x1
Switch
1 x PCI Express x2
(PCIEX2)
2 SATA 6Gb/s
(SATA3 4/5)
2 PCI Express x1
x1
1 USB Type-C™, with
USB 3.2 Gen 2 support
- 5 -
B550 AORUS PRO (AC)
( ) B550 AORUS PRO AC
1-1
•
•
•
•
•
•(CPU)
•
•
•
•
•
•
•
•
•
•
•
- 6 -
1-2
(CPU) AMD AM4
AMD Ryzen™ 5000 /
AMD Ryzen™/
AMD Ryzen™Radeon™
( )
AMD B550
4D DR4 DIMM 128 GB ( 32 GB )
DDR4 3200/2933/2667/2400/2133 MHz
ECC Un-buffered DIMM 1Rx8/2Rx8
non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16
Extreme Memory Prole (XMP)
( )
AMD Ryzen™Radeon™
- 1H DMI 4096x2160@60 Hz
* HDMI 2.1 HDCP 2.3 HDR
16 GB
Realtek® ALC1220-VB
* DSD
High Denition Audio
2/4/5.1/7.1
S/PDIF
Realtek® 2.5GbE (2.5 Gbit/1 Gbit/100 Mbit)
( )
Wi-Fi
- WIFI 802.11a/b/g/n/ac 2.4/5 GHz
- BLUETOOTH 4.2
- 11ac 433 Mbps
*
1P CI Express x16 (PCIEX16) CPU
- AMD Ryzen™ 5000 / AMD Ryzen™PCIe
4.0 x16
- AMD Ryzen™Radeon™PCIe 3.0 x16
* PCIEX16
1P CI Express x16 (PCIEX4)
- PCIe 3.0 x4
* PCIEX4 M2B_SB M2B_SB
PCIEX4
1P CI Express x16 (PCIEX2)
- PCIe 3.0 x2
* PCIEX2 SATA3 4/5 SATA3 4/5
PCIEX2
2P CI Express x1
( ) B550 AORUS PRO AC
- 7 -
1 M.2 (M2A_CPU) CPU Socket 3 M key type 2242/2260/
2280/22110 SSD
- AMD Ryzen™ 5000 / AMD Ryzen™SATA
PCIe 4.0 x4/x2 SSD
- AMD Ryzen™Radeon™SATA PCIe
3.0 x4/x2 SSD
1 M.2 (M2B_SB) Socket 3 M key type 2242/2260/
2280/22100 SSD
- PCIe 3.0 x4/x2 SSD
6 SATA 6Gb/s
- RAID 0 RAID 1 RAID 10
USB CPU
- 3 USB 3.2 Gen 1
- 1 USB 3.2 Gen 2 Type-A ( )
- 1 USB Type-C™USB 3.2 Gen 2
- 1 USB 3.2 Gen 2 Type-A ( )
- 2 USB 3.2 Gen 1 USB
- 2 USB 2.0/1.1
+2 USB 2.0 Hub
- 8 USB 2.0/1.1 (4 4
USB )
1 24-pin ATX
1 8-pin ATX 12V
2M .2 Socket 3
6 SATA 6Gb/s
1 CPU
1 CPU
4
2 /
1 /R GB LED
2 LED
2R GB LED
1
1
1 USB 3.2 Gen 1
2 USB 2.0/1.1
1 (TPM) (2x6 pin GC-TPM2.0_S )
1 Thunderbolt™
2
1 CMOS
- 8 -
1H DMI
2 SMA (1T1R) ( )
3 USB 3.2 Gen 1
1 USB Type-C™USB 3.2 Gen 2
2 USB 3.2 Gen 2 Type-A ( )
6 USB 2.0/1.1
1 Q-Flash Plus
1R J-45
1 S/PDIF
5
I/O iTE® I/O
* ( ) ( )
BIOS 1 256Mbit flash
AMI UEFI BIOS
PnP 1.0a DMI 2.7 WfM 2.0 SM BIOS 2.7 ACPI 5.0
APP Center
* APP Center
- @BIOS
- EasyTune
- Fast Boot
- Game Boost
- ON/OFF Charge
- RGB Fusion
- Smart Backup
- System Information Viewer
Q-Flash Plus
Q-Flash
Xpress Install
( ) B550 AORUS PRO AC
- 9 -
SSD M.2
\
B550 AORUS PROB550 AORUS PRO AC
Norton® Internet Security (OEM )
XSplit Gamecaster + Broadcaster (1 )
Realtek® 8125 Gaming LAN Bandwidth Control Utility
Windows 10 64-bit
ATX 30.5 x 24.4
*
- 10 -
1-3
4 (Dual Channel Technology)
BIOS
4 (Channel)
A (Channel A) DDR4_A1 DDR4_A2
B (Channel B) DDR4_B1 DDR4_B2
•
( )
•
•
(CPU)
•CPU
( CPU )
•CPU
•CPU CPU CPU
•CPU
•CPU CPU
•CPU
CPU
DDR4_A1 DDR4_A2 DDR4_B1 DDR4_B2
2- - DS/SS - - DS/SS
4 DS/SS DS/SS DS/SS DS/SS
(SSDS--)
(CPU)
CPU CPU ( ) CPU
( ) CPU CPU
AM4 AM4 CPU
CPU
1-4
- 11 -
1-5
•
•
1-6
USB 2.0/1.1
USB 2.0 USB 1.1 USB
SMA (1T1R) ( )
HDMI ( )
HDCP 2.3 Dolby TrueHD DTS HD Master
Audio 192KHz/24bit 7.1-channel LPCM
HDMI HDMI 4096x2160@60 Hz
CPU
1.
2. (
)
( )
USB 3.2 Gen 1
USB 3.2 Gen 1 USB 2.0 USB
USB 3.2 Gen 1 (Q-Flash Plus )
USB 3.2 Gen 1 USB 2.0 USB
Q-Flash Plus ( ) USB
HDMI HDMI (
)
•
•
- 12 -
Q-Flash Plus ( )
Q-Flash Plus (S5 ) BIOS Q-Flash Plus
USB Q-Flash Plus QFLED (
) QFLED BIOS
USB 3.2 Gen 2 Type-A ( )
USB 3.2 Gen 2 USB 3.2 Gen 1 USB 2.0 USB
(RJ-45)
(Gigabit Ethernet)
2.5 GB (2.5 Gbps)
USB Type-C™
USB 3.2 Gen 2 USB 3.2 Gen 1/USB 2.0
USB
S/PDIF
/
/
( )
/
//
2.5 Gbps
1 Gbps
100 Mbps
( ) B550 AORUS PRO AC
( ) AMD Ryzen™Radeon™
( ) Q-Flash Plus
- 13 -
/2 4 5.1 7.1
a a
a a a
/a
/a a a a
/a
- 14 -
1-7
•
•
•
1) ATX_12V
2) ATX
3) CPU_FAN
4) SYS_FAN1/2/3/4
5) SYS_FAN5_PUMP/SYS_FAN6_PUMP
6) CPU_OPT
7) LED_CPU
8) EC_TEMP1/EC_TEMP2
9) D_LED1/D_LED2
10) LED_C1/LED_C2
11) SATA3 0/1/2/3/4/5
12) M2A_CPU/M2B_SB
13) F_PANEL
14) F_AUDIO
15) F_U32
16) F_USB1/F_USB2
17) TPM
18) CLR_CMOS
19) BAT
20) CPU/DRAM/VGA/BOOT
21) THB_C
1
4
17
7
19
4
4
2
3
11
1516
12
13
12
6
10
9
9 810
14
5
5
8
18
20
19
- 15 -
DEBUG
PORT
G.QBOFM
131
2412
ATX
1/2) ATX_12V/ATX (2x4-pin 12V 2x12-pin )
12V CPU 12V
(500 )
ATX
1 3.3V 13 3.3V
2 3.3V 14 -12V
3 15
4 +5V 16 PS_ON (soft On/Off)
5 17
6 +5V 18
7 19
8 Power Good 20
9 5VSB (stand by +5V) 21 +5V
10 +12V 22 +5V
11 +12V ( 2x12-pin
)
23 +5V (2x12-p in
)
12 3.3V ( 2x12-pin
)
24 ( 2x12-pi n
)
ATX_12V
1 ( 2x4- p i n
)
5 +12V (2x4-p in
)
2 ( 2x4- p i n
)
6 +12V (2x4-p in
)
3 7 +12V
4 8 +12V
DEBUG
PORT
G.QBOFM
ATX_12V
41
85
3/4) CPU_FAN/SYS_FAN1/2/3/4 ( )
4-pin (
)
•CPU
CPU
•
CPU_FAN SYS_FAN3
DEBUG
PORT
G.QBOFM
1
DEBUG
PORT
G.QBOFM
11
2
3
4
SYS_FAN1/2/4
1
DEBUG
PORT
G.QBOFM
- 16 -
5) SYS_FAN5_PUMP/SYS_FAN6_PUMP ( / )
/ 4-pin ( )
BIOS Settings\Smart Fan 5 )
DEBUG
PORT
G.QBOFM
1
6) CPU_OPT (CPU )
4-pin ( )
DEBUG
PORT
G.QBOFM
1
1
2
3
4
1
2
3
4
1 12V
2 G
3 R
4 B
DEBUG
PORT
G.QBOFM
1
7) LED_CPU (/R GB LED )
5050 RGB LED(12V/G/R/B)2(12
)2
RGB LED
( )
1 (12V)
RGB LED
1
12V
SYS_FAN6_PUMPSYS_FAN5_PUMP
DEBUG
PORT
G.QBOFM
1
•CPU
CPU
•
- 17 -
8) EC_TEMP1/EC_TEMP2 ( )
1 SENSOR IN
2
1
EC_TEMP2EC_TEMP1
1
9) D_LED1/D_LED2 ( LED )
5050 LED 5 (5 ) LED 1000
1 V (5V)
2 Data
3
4
D_LED1 D_LED2
1
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
1
LED
( ) 1
LED
1
10) LED_C1/LED_C2 (RGB LED )
5050 RGB LED (12V/G/R/B) 2 (12 ) 2
1 12V
2 G
3 R
4 B
1 1
LED_C1 LED_C2
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
RGB LED RGB
LED ( )
1 (12V) 12V ( )
LED 12V LED
12VRGB
BG12VR
12V
1
RGB LED
12VRGB
BG12VR
- 18 -
11) SATA3 0/1/2/3/4/5 (SATA 6Gb/s )
SATA SATA 6Gb/s SATA 3Gb/s SATA 1.5Gb/s SATA
SATA RAID 0 RAID 1 RAID 10 RAID
1
2 TXP
3 TXN
4
5 RXN
6 RXP
7
SATA3 420
531
1
1
7
7
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
12) M2A_CPU/M2B_SB (M.2 Socket 3 )
M.2 M.2 SATA SSD M.2 PCIe SSD RAID
M.2 PCIe SSD M.2 SATA SSD SATA M.2 PCIe
SSD UEFI BIOS RAID
M.2 SSD M.2
M.2 SSD M.2
M.2 SSD M.2 SSD
M.2 SSD
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
80110 60 42
M2A_CPU
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
80110 60 42
M2B_SB ()
M.2 SSD
( ) PCIEX4 M2B_SB M2B_SB PCIEX4
- 19 -
13) F_PANEL ( )
/
(+/-)
S0
S3/S4/S5 (S3/S4)
(S5)
•PW
BIOS
( BIOS
Settings\Platform Power )
•SPEAK
•PLED/PWR_LED
•HD
•RES
(Reset)
•CI
/
•NC
DEBUG
PORT
G.QBOFM
1
2
19
20
CI-
CI+
PWR_LED-
PWR_LED+
PLED-
PW-
SPEAK+
SPEAK-
PLED+
PW+
HD-
RES+
HD+
RES-
PWR_LED-
NC
NC
14) F_AUDIO ( )
HD (High Denition )
F_USB30 F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3 BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S _S
_ SF_
B
USB0_B
B_
B_
F_USB3
F_USB303
_
_3U
S_
9 1
10 2
1 MIC2_L 6
2 7 FAUDIO_JD
3 MIC2_R 8
4 9 LINE2_L
5 LINE2_R 10
- 20 -
/