B450 AORUS M
Rev. 1102
12MC-B45ARSM-1102R
© 2021
https://www.gigabyte.com/tw
REV : X.X X.X
REV : 1.0 1.0
BIOS
- 3 -
B450 AORUS M ....................................................................................4
.......................................................................................................5
1-1 ......................................................................................... 5
1-2 .......................................................................................................... 6
1-3 ............................................................................................. 9
1-4 ............................................................................................. 9
1-5 .................................................................................................... 10
1-6 ....................................................................................... 10
1-7 ........................................................................................... 12
BIOS ............................................................................................21
2-1 ........................................................................................................ 21
2-2 BIOS ................................................................................... 22
2-3 M.I.T. (/) .................................................................................. 23
2-4 System () ......................................................................................... 27
2-5 BIOS (BIOS) .................................................................................... 28
2-6 Peripherals () ................................................................................... 31
2-7 Chipset () .................................................................................... 33
2-8 Power () .................................................................................. 35
2-9 Save & Exit () ............................................... 37
..............................................................................................................38
3-1 ................................................................................................ 38
3-2 ................................................................................................ 40
Regulatory Notices ...................................................................................................... 41
....................................................................... 43
............................................................................................. 44
- 4 -
B450 AORUS M
*
5B450 AORUS M - 1 5SATA - 2
5- 1 5I/O - 1
5- 1 5M.2 /M.2
Socket AM4
KB_MS_USB
CPU_FAN
ATX_12V
ATX
DVI
USB31_LAN
R_USB30
SYS_FAN1
SYS_FAN2
HDMI
AMD B450
F_AUDIO
PCIEX4
BAT
F_PANEL
CLR_CMOS
CODEC
SPDIF_O
F_USB1
iTE®
Super I/O
F_USB2LPT TPM
0 2
1 3
F_USB30
SATA3
AUDIO
DDR4_2
DDR4_1
DDR4_4
DDR4_3
M_BIOS
PCIEX1
PCIEX16
B450 AORUS M
M2A_SOCKET
Realtek®
GbE LAN 42
6080
110
COMA
ASATA3 0 1
D_LED2
DLED_V_SW2
LED_C
D_LED1
DLED_V_SW1
B_BIOS
LED_CPU
CPU DRAM
VGA BOOT
1-1
•
•
•
•
•
•(CPU)
•
•
•
•
•
•
•
•
•
•
•
- 5 -
1-2
(CPU) AM4
- AMD Ryzen™
- AMD Ryzen™ with Radeon™ Vega Graphics
- AMD Ryzen™
( )
AMD B450
4 DDR4 DIMM 128 GB ( 32 GB )
DDR4 2933/2667/2400/2133 MHz
ECC Un-buffered DIMM 1Rx8/2Rx8 (non-ECC )
non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16
Extreme Memory Profile (XMP)
( )
( )
- 1DVI-D1920x1200@60 Hz
* DVI-DD-Sub
- 1HDMI4096x2160@60 Hz ( )
* HDMI 2.0 HDCP 2.2 ( )
16 GB
Realtek®
High Definition Audio
2/4/5.1/7.1
S/PDIF
Realtek® GbE (10/100/1000 Mbit)
1 PCI Express x16 x16 (PCIEX16)( )
* PCIEX16
(PCIEX16 PCI Express 3.0)
1 PCI Express x16 x4 (PCIEX4)
1 PCI Express x1
(PCIEX4 PCIEX1 PCI Express 2.0)
AMD Quad-GPU CrossFire™2-Way AMD CrossFire™
1 M.2 ( Socket 3 M key type 2242/2260/2280/22110 SATA
PCIe 3.0 x4/x2 SSD)
6 SATA 6Gb/s
RAID 0 RAID 1 RAID 10
* M.2/SATA 1-7
( ) CPU
- 6 -
USB
- 2 USB 3.1 Gen 2 Type-A ( )
- 2 USB 3.1 Gen 1 USB
- 6 USB 2.0/1.1 (2 4
USB )
- 4 USB 3.1 Gen 1
1 24-pin ATX
1 8-pin ATX 12V
1 CPU
2
1M .2 Socket 3
6 SATA 6Gb/s
1 /RGB LED
1R GB (RGBW) LED
2 LED
2 LED
1
1
1 S/PDIF
1 USB 3.1 Gen 1
2 USB 2.0/1.1
1 (TPM) (2x10 pin GC-TPM2.0 )
1
1
1 CMOS
1P S/2 /
1D VI-D
1H DMI
2 USB 3.1 Gen 2 Type-A ( )
4 USB 3.1 Gen 1
2 USB 2.0/1.1
1R J-45
6
I/O iTE® I/O
*
BIOS 2 128 Mbit flash
AMI UEFI BIOS
DualBIOS™
PnP 1.0a DMI 2.7 WfM 2.0 SM BIOS 2.7 ACPI 5.0
- 7 -
APP Center
* APP Center
- @BIOS
- EasyTune
- Fast Boot
- Game Boost
- ON/OFF Charge
- RGB Fusion
- Smart Backup
- System Information Viewer
Q-Flash
Xpress Install
Norton® Internet Security (OEM )
Realtek® 8118 Gaming LAN Bandwidth Control Utility
Windows 10 64-bit
Micro ATX 24.4 x 24.4
*
SSD M.2
\
- 8 -
1-3
1-4
4 (Dual Channel Technology)
BIOS
4 (Channel)
A (Channel A) DDR4_2 DDR4_4
B (Channel B) DDR4_1 DDR4_3
•
( )
•
•
(CPU)
•CPU
( CPU )
•CPU
•CPU CPU CPU
•CPU
•CPU CPU
•CPU
CPU
(CPU)
CPU CPU ( ) CPU
( ) CPU CPU
AM4 AM4 CPU
CPU
CPU
CPU CPU CPU CPU
- 9 -
1-5
•
•
1-6
USB 2.0/1.1
USB 2.0/1.1 USB
PS/2 /
PS/2
DVI-D ( )
DVI-D 1920x1200@60 Hz (
) DVI-D
HDMI
HDCP 2.2( ) Dolby TrueHD DTS HD Master
Audio 192 KHz/24bit 8-channel LPCM
HDMI HDMI 4096x2160@60 Hz( )
( ) DVI-D D-Sub
( ) CPU
HDMI HDMI (
)
CPU
1.
2. (
) DDR4
DDR4_1 DDR4_2
USB 3.1 Gen 1
USB 3.1 Gen 1 USB 2.0 USB
DDR4_4 DDR4_2 DDR4_3 DDR4_1
2- - DS/SS - - DS/SS
DS/SS - - DS/SS - -
4 DS/SS DS/SS DS/SS DS/SS
(SSDS--)
- 10 -
•
•
/2 4 5.1 7.1
a a
a a a
a
/a a a a
(RJ-45)
(Gigabit Ethernet)
1 GB (1 Gbps)
//
1 Gbps
100 Mbps
10 Mbps
USB 3.1 Gen 2 Type-A ( )
USB 3.1 Gen 2 USB 3.1 Gen 1 USB 2.0 USB
( )
( )
( )
( )
/ ( )
( )
- 11 -
1-7
•
•
•
1) ATX_12V
2) ATX
3) CPU_FAN
4) SYS_FAN1/2
5) LED_CPU
6) LED_C
7) D_LED1/D_LED2
8) DLED_V_SW1/DLED_V_SW2
9) ASATA3 0/1
10) SATA3 0/1/2/3
11) BAT
12) M2A_SOCKET
13) F_PANEL
14) SPDIF_O
15) F_AUDIO
16) F_USB30
17) F_USB1/F_USB2
18) TPM
19) COMA
20) LPT
21) CLR_CMOS
22) CPU/DRAM/VGA/BOOT
1
2
3
1820
12
9
17 13
4
22
15 6
14
16
11
10
7
4
8
7
8
19
5
21
- 12 -
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-p i n
)
ATX_12V
1 ( 2 x4 -p i n
)
5 +12V (2x4-p in
)
2 ( 2 x4 -p i n
)
6 +12V (2x4-p in
)
3 7 +12V
4 8 +12V
DEBUG
PORT
G.QBOFM
ATX_12V
4
1
8
5
3/4) CPU_FAN/SYS_FAN1/2 ( )
4-pin (
)
•CPU
CPU
•
CPU_FAN
DEBUG
PORT
G.QBOFM
11
2
3
4
SYS_FAN1/2
1
DEBUG
PORT
G.QBOFM
- 13 -
6) LED_C (RGB (RGBW) LED )
5050 RGB (RGBW) LED (12V/G/R/B/W) 2 (12 )
2
1 12V
2 G
3 R
4 B
5 W
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_
USB0_B
B_ F_USB3
F_USB303
_
_3U
1
BIOS Peripherals
RGB (RGBW) LED
( ) 1 (12V)
RGBW
LED
1
12V
RGB
LED
1
12V
7) D_LED1/D_LED2 ( LED )
5050 LED 2 (12 5 ) LED 300
LED 5V 12V DLED_V_SW1
DLED_V_SW2
1 V
2 D
3
4 G
1
D_LED1
D_LED2
1
LED
LED 5V1 2V
DLED_V_SW1
DLED_V_SW2
(
) 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_
USB0_B
B_ F_USB3
F_USB303
_
_3U
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_
USB0_B
B_ F_USB3
F_USB303
_
_3U
1 12V
2 G
3 R
4 B
DEBUG
PORT
G.QBOFM
1
5) LED_CPU (/R GB LED )
5050 RGB LED(12V/G/R/B)2(12
)2
RGB LED
( ) 1
(12V)
RGB LED
1
12V
- 14 -
9/10) ASATA3 0/1 SATA3 0/1/2/3 (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
ASATA3 1
0
0 2
1 3
7
1
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
7
7
DEBUG
PORT
G.QBOFM
1
1
DEBUG
PORT
G.QBOFM
11) BAT ( )
CMOS ( BIOS )
CMOS
CMOS
1.
2. (
)
3.
4.
•
•
•
•(+) (-) ( )
•
8) DLED_V_SW1/DLED_V_SW2 ( LED )
D_LED1 D_LED2 L ED
1
1
1-25V ()
2-312V
DLED_V_SW1 DLED_V_SW2
1
1
1-25V ()
2-312V
- 15 -
12) M2A_SOCKET (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 / M.2 SSD M.2
M.2 SSD 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_
USB0_B
B_ F_USB3
F_USB303
_
_3U
80110 60 42
M.2 SATA
SATA M2A_SOCKET
SATA3 0 SATA3 1 SATA3 2 SATA3 3 ASATA3 0 ASATA3 1
M.2 SATA SSD a a a r r r
M.2 PCIe x4 SSD
a a a a r r
M.2 PCIe x2 SSD
aaaarr
No M.2 SSD Installed aaaaaa
a r
M.2
SSD
- 16 -
14) SPDIF_O (S/PDIF )
S/PDIF ( )
HDMI
HDMI
13) F_PANEL ( )
/
(+/-)
S0
S3/S4/S5 (S3/S4)
(S5)
•PW
BIOS
( BIOS
Power )
•SPEAK
•PLED/PWR_LED
•HD
•RES
(Reset)
•CI
/
•NC
SPEAK+
SPEAK-
NC
NC
1
2
19
20
CI-
CI+
PLED-
PW-
PLED+
PW+
HD-
RES+
HD+
RES-
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_
USB0_B
B_ F_USB3
F_USB303
_
_3U
PWR_LED-
PWR_LED+
PWR_LED-
1 5VDUAL
2
3 SPDIFO
4
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_
USB0_B
B_ F_USB3
F_USB303
_
_3U
- 17 -
15) F_AUDIO ( )
HD (High Denition )
1 MIC2_L
2
3 MIC2_R
4
5 LINE2_R
6
7 FAUDIO_JD
8
9 LINE2_L
10
1
2
9
10
17) F_USB1/F_USB2 (USB 2.0/1.1 )
USB 2.0/1.1 USB USB USB
1 (5V) 6 USB DY+
2 (5V) 7
3 USB DX- 8
4 USB DY- 9
5 USB DX+ 10
•2x5-pin IEEE 1394 USB 2.0/1.1
•USB
USB
1 VBUS 11 D2+
2 SSRX1- 12 D2-
3 SSRX1+ 13
4 14 SSTX2+
5 SSTX1- 15 SSTX2-
6 SSTX1+ 16
7 17 SSRX2+
8 D1- 18 SSRX2-
9 D1+ 19 VBUS
10 20
16) F_USB30 (USB 3.1 Gen 1 )
USB 3.1 Gen 1/USB 2.0 USB 2
USB 3.1 Gen 1 3.5
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_
USB0_B
B_ F_USB3
F_USB303
_
_3U
10
11
1
20
10
9
2
1
- 18 -
18) TPM ( )
TPM (Trusted Platform Module)
1 LCLK 11 LAD0
2 12
3 LFRAME 13
4 14
5 LRESET 15 SB3V
6 16 SERIRQ
7 LAD3 17
8 LAD2 18
9 VCC3 19
10 LAD1 20
20
19
2
1
DEBUG
PORT
G.QBOFM
1 NDCD- 6 NDSR-
2 NSIN 7 NRTS-
3 NSOUT 8 NCTS-
4 NDTR- 9 NRI-
5 10
19) COMA ( )
10
9
2
1
20) LPT ( )
1STB- 10 19 ACK-
2AFD- 11 PD4 20
3PD0 12 21 BUSY
4ERR- 13 PD5 22
5PD1 14 23 PE
6INIT- 15 PD6 24
7PD2 16 25 SLCT
8SLIN- 17 PD7 26
9PD3 18
DEBUG
PORT
G.QBOFM
1
226
25
- 19 -
21) CLR_CMOS ( CMOS )
BIOS CMOS
•CMOS
•BIOS (Load Optimized Defaults) (
BIOS )
CMOS
22) CPU/DRAM/VGA/BOOT ( )
CPU CPU DRAM
VGA BOOT
CPU CPU
DRAM
VGA
BOOT
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_
USB0_B
B_ F_USB3
F_USB303
_
_3U
CPU DRAM
VGA BOOT
- 20 -
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