EVGA Z490 FTW User Manual page 46

EVGA Z490 FTW (122-CL-E497)
The motherboard contains 2x 9-pin internal header connectors onboard that
can be used to connect an optional external bracket or devices containing up to
four (4) USB 2.0 ports.
The Z490 FTW also features an onboard USB 2.0 port header, near the
power/reset buttons. This header has a specific purpose – to allow you to flash
the BIOS without an installed CPU using the included USB flash drive. For
more information on flashing the BIOS without a CPU, please see Page 144.
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