Asus ROG STRIX Z490-F Bios Manual page 54

LED lighting
When system is in working state
This item allows you to turn the RGB LED lighting on or off when the system is in the
working state.
[All On]:
[Stealth Mode]:
[Aura Only]:
[Aura Off]:
The RGB Header(s) and Addressable Header(s) will only work under the S0 (working)
state.
When system is in sleep, hibernate or soft off states
This item allows you to turn the RGB LED lighting on or off when the system is in the
sleep, hibernate or soft off states.
[All On]:
[Stealth Mode]:
[Aura Only]:
[Aura Off]:
The RGB Header(s) and Addressable Header(s) will only work under the S0 (working)
state.
M.2_1 Configuration
[Auto]
[SATA mode]
[PCIE mode]
M.2_2 Configuration
[Auto]
[X4 Mode]
When M.2_2 is populated by an Intel Optane Memory H10, SATA6G_5 and 6 will be
disabled.
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RGB LEDs and Functional LEDs will behave normally.
All LEDs will be disabled.
RGB LEDs will light up, while all functional LEDs will be
disabled.
Functional LEDs behave normally, while RGB LEDs will be
disabled.
RGB LEDs and Functional LEDs will behave normally.
All LEDs will be disabled.
RGB LEDs will light up, while all functional LEDs will be
disabled.
Functional LEDs behave normally, while RGB LEDs will be
disabled.
Auto-detects the M.2 device mode. If a SATA device is detected,
SATA6G_2 will be disabled.
Only supports M.2 SATA devices. Please note that SATA6G_2 port
cannot be used in this mode.
Only supports M.2 PCIE devices.
This Auto Mode will allow M.2_2 to support either an NVMe M.2 device
(running at PCIe X2).
When X4 Mode is enabled, M.2_2 supports NVMe M.2 storage only
(running at PCIe X4), and SATA port 5 and 6 will also be disabled.
ROG STRIX Z490-F BIOS Manual