A520I AC
Rev. 1401
© 2023
https://www.gigabyte.com/tw
REV : X.X X.X
REV : 1.0 1.0 BIOS
- 3 -
A520I AC ...............................................................................................4
.......................................................................................................5
1-1 ......................................................................................... 5
1-2 .......................................................................................................... 6
1-3 ............................................................................................. 9
1-4 ............................................................................................. 9
1-5 .................................................................................................... 10
1-6 ....................................................................................... 10
1-7 ........................................................................................... 12
BIOS ............................................................................................20
2-1 ........................................................................................................ 20
2-2 BIOS ................................................................................... 21
2-3 Favorites (F11) () ............................................................................. 22
2-4 Tweaker (/) .............................................................................. 23
2-5 Settings () ................................................................................................. 25
2-6 System Info. () ................................................................................. 30
2-7 Boot () ..................................................................................... 31
2-8 Save & Exit () ............................................... 34
..............................................................................................................35
3-1 ................................................................................................ 35
3-2 ................................................................................................ 37
....................................................................... 43
............................................................................................. 44
- 4 -
A520I AC
SYS_FAN2
ATX
A520I AC
AUDIO
DDR4_A1
DDR4_B1
BAT
ATX_12V
AMD
A520
U32_1
HDMI1
M_BIOS
DP_HDMI
PCIEX16
iTE® Super I/O
Realtek® GbE
LAN
F_PANEL
2 3
0 1
USB_LAN
Socket AM4
M2A_CPU
80 60
SATA3
SYS_FAN1
LED_C
QFLASH_PLUS
QFLED
CPU_FAN
U32_2
SPEAKER
F_U32
F_USB1
M2_WIFI
COM
CLR_CMOS
D_LED
CODEC
TPM
F_AUDIO
1-1
•
•
•
•
•
•(CPU)
•
•
•
•
•
•
•
•
•
•
•
- 5 -
1-2
(CPU) AMD AM4
AMD Ryzen™ 5000 G /
AMD Ryzen™ 5000 /
AMD Ryzen™ 4000 G /
AMD Ryzen™ 3000
( )
AMD A520
2D DR4 DIMM 64 GB ( 32 GB )
DDR4 3200/2933/2667/2400/2133 MT/s
ECC Un-buffered DIMM 1Rx8/2Rx8
non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16
Extreme Memory Prole (XMP)
( )
AMD Ryzen™ 5000 G /4000 G
- 1D isplayPort 5120x2880@60 Hz
* DisplayPort 1.4 HDCP 2.3 HDR
- 2H DMI 4096x2160@60 Hz
* HDMI 2.1 HDCP 2.3 HDR
16 GB
Realtek®
High Denition Audio
2/4/5.1/7.1
* 7.1
Realtek® GbE (1 Gbps/100 Mbps/10 Mbps)
Intel® Wi-Fi AC 3168 (PCB rev. 1.0/1.2/1.3)/
Intel® Wi-Fi AC 9260 (PCB rev. 1.1)/
Realtek® Wi-Fi AzureWave Wi-Fi AW-CB304NF (Realtek® RTL8821CE)
(PCB rev. 1.4)
- WIFI 802.11a/b/g/n/ac 2.4/5 GHz
- BLUETOOTH 4.2
- 11ac 433 Mbps
*
CPU
- 1P CI Express x16 PCIe 3.0 x16
CPU
- 1 M.2 Socket 3 M key type 2260/2280 SATA PCIe 3.0 x4/x2
SSD
- 4 SATA 6Gb/s
RAID 0 RAID 1 RAID 10
- 6 -
USB CPU
- 4 USB 3.2 Gen 1
- 2 USB 3.2 Gen 1 USB
- 4 USB 2.0/1.1 (2 2
USB )
1 24-pin ATX
1 8-pin ATX 12V
1 CPU
2
1 LED
1R GB LED
1M .2 Socket 3
4 SATA 6Gb/s
1
1
1
1 USB 3.2 Gen 1
1 USB 2.0/1.1
1 (TPM) (2x6 pin GC-TPM2.0_S )
1
1 CMOS
1D isplayPort
2H DMI
4 USB 3.2 Gen 1
2 USB 2.0/1.1
1 Q-Flash Plus
1R J-45
2SMA(1T1R)
3
I/O iTE® I/O
*
BIOS 1 128 Mbit flash
AMI UEFI BIOS
PnP 1.0a DMI 2.7 WfM 2.0 SM BIOS 2.7 ACPI 5.0
- 7 -
APP Center
* APP Center
- @BIOS
- EasyTune
- RGB Fusion
- Smart Backup
- System Information Viewer
Q-Flash
Q-Flash Plus
Xpress Install
Norton® Internet Security (OEM )
LAN bandwidth management software
Windows 11 64-bit
Windows 10 64-bit
Mini-ITX17.0x 17.0
*
SSD M. 2
/ \
- 8 -
1-3
1-4
•
( )
•
•
2 (Dual Channel Technology)
BIOS
(CPU)
•CPU
( CPU )
•CPU
•CPU CPU CPU
•CPU
•CPU CPU
•CPU
CPU
(CPU)
CPU CPU ( ) CPU
( ) CPU CPU
AM4 CPU AM4 CPU
CPU
CPU
CPU CPU CPU CPU
- 9 -
2 (Channel)
A (Channel A) DDR4_A1
B (Channel B) DDR4_B1
CPU
1.
2. (
)
1-5
•
•
1-6
DisplayPort ( )
DisplayPort DisplayPort
DPCP HDCP 2.3 Rec.2020 ( ) UHD
(HDR) DisplayPort DisplayPort
5120x2880@60 Hz
HDMI ( )
HDCP 2.3 Dolby TrueHD DTS HD Master
Audio 192KHz/24bit 7.1-channel LPCM
HDMI HDMI 4096x2160@60 Hz
•
•DisplayPort/HDMI DisplayPort/HDMI
( )
•
•
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 U SB Q-Flash Plus ( )
USB
- 10 -
( ) AMD Ryzen™ 5000 G /4000 G
( ) Q-Flash Plus
/2 4 5.1 7.1
/aaa
/a a a a
/a a
/ a
1 Gbps
100 Mbps
10 Mbps
USB 2.0/1.1
USB 2.0/1.1 USB
SMA (1T1R)
/ ( )
/ ( )
/ ( )
Q-Flash Plus ( )
Q-Flash Plus (S5 ) BIOS Q-Flash Plus
USB Q-Flash Plus QFLED (
) QFLED BIOS
(RJ-45)
(Gigabit Ethernet)
1 GB (1 Gbps)
7.1
- 11 -
1-7
•
•
•
1) ATX_12V
2) ATX
3) CPU_FAN
4) SYS_FAN1/2
5) D_LED
6) LED_C
7) SATA3 0/1/2/3
8) M2A_CPU
9) F_PANEL
10) F_AUDIO
11) SPEAKER
12) F_U32
13) F_USB_1
14) COM
15) TPM
16) CLR_CMOS
17) BAT
4
2
11
1
15
16
3 9
7
12
6
13
4 8 5
10
17
14
- 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-pin
)
3/4) CPU_FAN/SYS_FAN1/2 ( )
4-pin (
)
•CPU
CPU
•
CPU_FAN/SYS_FAN1
DEBUG
PORT
G.QBOFM
11
2
3
4
DEBUG
PORT
G.QBOFM
ATX_12V
41
85
ATX_12V
1 ( 2x4-pin
)
5 +12V ( 2x4-pi n
)
2 ( 2x4-pin
)
6 +12V ( 2x4-pi n
)
3 7 +12V
4 8 +12V
SYS_FAN 2
- 13 -
5) D_LED ( LED )
5050 LED 5 (5 ) LED 1000
1 V (5V)
2 Data
3
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
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_
_S
SS_F
_
_ F
_SB
LED
( ) 1
LED
1
6) LED_C (RGB LED )
5050 RGB LED (12V/G/R/B) 2 (12 ) 2
1 12V
2 G
3 R
4 B
RGB LED
( ) 1 (12V)
1
DEBUG
PORT
G.QBOFM
RGB LED
1
12V
- 14 -
8) M2A_CPU (M.2 Socket 3 )
M.2 M.2 SATA SSD M.2 PCIe SSD RAID
M.2 PCIe SSD SATA RAID
M.2 SSD M.2
M.2 SSD M.2 SSD
M.2 SSD
7) 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
2 3
0 1
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
DEBUG
PORT
G.QBOFM
1 7
7 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
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_
_S
SS_F
_
_ F
_SB
80 60
M.2 SSD
- 15 -
9
1
10
2
10) F_AUDIO ( )
HD (High Denition )
1 MIC2 L 6
2 7 SENSE_SEND
3 MIC2 R 8
4 9 Head Phone L
5 Head Phone R 10
9) F_PANEL ( )
(+/-)
S0
S3/S4/S5
•PW
BIOS (
BIOS Settings\Platform Power )
•HD
•RES
(Reset)
•NC
•PLED
(S3/S4) (S5)
12
910
NC
PLED-
PW-
PLED+
PW+
HD-
RES+
HD+
RES-
- 16 -
1 VBUS 8 D1- 15 SSTX2-
2 SSRX1- 9 D1+ 16
3 SSRX1+ 10 17 SSRX2+
4 11 D2+ 18 SSRX2-
5 SSTX1- 12 D2- 19 VBUS
6 SSTX1+ 13 20
7 14 SSTX2+
12) F_U32 (USB 3.2 Gen 1 )
USB 3.2 Gen 1/USB 2.0 USB 2
USB 3.2 Gen 1 3.5
11) SPEAKER ( )
1 VCC
2 NC
3 NC
4 SPK-
DEBUG
PORT
G.QBOFM
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
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_
_S
SS_F
_
_ F
_SB
10
20 1
11
•2x5-pin IEEE 1394 USB 2.0/1.1
•USB
USB
13) F_USB1 (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
9
1
10
2
- 17 -
16) CLR_CMOS ( CMOS )
BIOS CMOS
•CMOS
•BIOS (Load Optimized Defaults) (
BIOS )
CMOS
14) COM ( )
1 NDCD- 6 NDSR-
2 NSIN 7 NRTS-
3 NSOUT 8 NCTS-
4 NDTR- 9 NRI-
5 10
15) TPM ( )
TPM (Trusted Platform Module)
1LAD0 7LAD3
2VCC3 8
3LAD1 9LFRAME
410
5LAD2 11 SERIRQ
6LCLK 12 LRESET
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
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_
_S
SS_F
_
_ F
_SB
2
12
1
11
12
910
- 18 -
17) BAT ( )
CMOS ( BIOS )
CMOS
CMOS
1.
2.
3.
4.
•
•
•
•
1 (+) RTC Power
2 (-)
1 (+)
2 (-)
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
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_
_S
SS_F
_
_ F
_SB
- 19 -
BIOS (Basic Input and Output System ) CMOS
(POST Power-On Self-Test)
BIOS BIOS
CMOS
BIOS BIOS POST <Delete> BIOS
BIOS BIOS Q-Flash @BIOS
•Q-Flash BIOS BIOS
BIOS
•@BIOS Windows BIOS
BIOS
BIOS
•BIOS BIOS BIOS
BIOS
•BIOS
CMOS BIOS
( CMOS Load Optimized Defaults
CLR_CMOS )
2-1
Logo
•Load Optimized Defaults
•BIOS BIOS BIOS
BIOS <F2>
Easy Mode
Advanced Mode BIOS
<Enter>
- 20 -
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