User Manual
Table Of Contents
- 1.1 Knowing BIOS
- 1.2 BIOS setup program
- 1.3 My Favorites
- 1.4 Main menu
- 1.5 Ai Tweaker menu
- 1.6 Advanced menu
- 1.6.1 AMD fTPM configuration
- 1.6.2 CPU Configuration
- 1.6.3 SATA Configuration
- 1.6.4 Onboard Devices Configuration
- 1.6.5 APM Configuration
- 1.6.6 PCI Subsystem Settings
- 1.6.7 USB Configuration
- 1.6.8 Network Stack Configuration
- 1.6.9 HDD/SSD SMART Information
- 1.6.10 NVMe Configuration
- 1.6.11 AMD CBS
- 1.6.12 AMD PBS
- 1.6.13 AMD Overclocking
- 1.7 Monitor menu
- 1.8 Boot menu
- 1.9 Tool menu
- 1.10 Exit menu
- 1.11 Updating BIOS
PRIME/Pro/ProArt/TUF GAMING B550 / A520 Series BIOS Manual
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PCIEX16_1 Mode
This item allows you to select the link speed for PCIEX16_1 slot.
Conguration options: [Auto] [Gen 1] [Gen 2] [Gen 3] [Gen 4]
M.2_1 Link Mode
This item allows you to select the link speed for M.2_1 slot.
Conguration options: [Auto] [Gen 1] [Gen 2] [Gen 3] [Gen 4]
SB Link Mode
This item allows you to select the link speed for Southbridge.
Conguration options: [Auto] [Gen 1] [Gen 2] [Gen 3]
PCIEX1 Mode
This item allows you to select the link speed for PCIEX1 slot.
Conguration options: [Auto] [Gen 1] [Gen 2] [Gen 3]
PCIEX16_1 Bandwidth
This item allows you to select the bandwidth for PCIEX16_1 slot.
Conguration options: [Auto Mode] [PCIe RAID Mode]
PCIEX16_2 4X-1X Switch
This item allows you to congure PCIEX16_2 operating mode.
[Auto] Auto detect and switch. PCIEX16_2 runs x4 mode by default. If a PCIE
device is installed on PCIEX1_1, PCIEX1_2 or PCIEX1_3, PCIEX16_2 will
run x1 mode.
[1X] Force PCIEX16_2 to run x1 mode.
[4X] Force PCIEX16_2 to run x4 mode.
The operating mode options of PCIEX16_2 vary by motherboard models.
LED lighting
When system is in working state
This item allows you to congure the RGB LED lighting effect when the system is in the
working state. Conguration options: [All On] [Stealth Mode] [Aura Only] [Aura Off]
When system is in sleep, hibernate or soft off states
This item allows you to congure the RGB LED lighting effect when the system is in the
sleep, hibernate or soft off states. Conguration options: [All On] [Stealth Mode] [Aura
Only] [Aura Off]
RGB LED availability varies by motherboard models.
Realtek 2.5G LAN Controller
This item allows you to enable or disable the Realtek 2.5G LAN controller.
Conguration options: [On] [Off]