EVGA Z590 DARK User Manual page 51

EVGA Z590 DARK (122-RL-E599)
The motherboard contains 3x 9-pin internal header connectors onboard that
can be used to connect an optional external bracket or devices containing up to
six (4) USB 2.0 ports.
The Z590 DARK 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 150.
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