User Manual

PRIME/Pro/ProArt/TUF GAMING B550 / A520 Series BIOS Manual
29
PCIEX16_1 Mode
This item allows you to select the link speed for PCIEX16_1 slot.
Conguration 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.
Conguration options: [Auto] [Gen 1] [Gen 2] [Gen 3] [Gen 4]
SB Link Mode
This item allows you to select the link speed for Southbridge.
Conguration options: [Auto] [Gen 1] [Gen 2] [Gen 3]
PCIEX1 Mode
This item allows you to select the link speed for PCIEX1 slot.
Conguration options: [Auto] [Gen 1] [Gen 2] [Gen 3]
PCIEX16_1 Bandwidth
This item allows you to select the bandwidth for PCIEX16_1 slot.
Conguration options: [Auto Mode] [PCIe RAID Mode]
PCIEX16_2 4X-1X Switch
This item allows you to congure 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 congure the RGB LED lighting effect when the system is in the
working state. Conguration options: [All On] [Stealth Mode] [Aura Only] [Aura Off]
When system is in sleep, hibernate or soft off states
This item allows you to congure the RGB LED lighting effect when the system is in the
sleep, hibernate or soft off states. Conguration 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.
Conguration options: [On] [Off]