EVGA Z790 DARK K NGP N User Manual page 20

EVGA Z790 DARK K|NGP|N (121-RL-E799)
17. Multi-function Display
This is a four-digit Power On Self-Test ("POST") code reader, which displays in
sets of 7-segment LED. The display can show the characters 0-9, and A-F.
POST is the motherboard's self-test to verify operational status. During POST,
the left set of LEDs will display the various codes as each motherboard segment
is analyzed, and will stop or repeatedly cycle if an error is detected. The POST
codes are listed in the troubleshooting section on Page 116.
After the system boots, these same set of LEDs can be set to display additional
temperatures or voltages. Detailed configuration instructions for the POST
Indicator are provided on Page 112.
18. USB 3.2 Gen1 Header
The USB 3.2 Gen1 header is used to connect an additional USB interface plug
to the motherboard. These will function similarly to the USB 3.2 Gen1 ports
found on the motherboard's rear I/O hub, but can also be used for a front
panel USB device or auxiliary ports that mount in the card slots.
USB 3.2 Gen1 standard is 900ma @ 5V for unpowered devices. If your USB
device requires more power, it is recommended to attach a powered USB Hub.
Note: USB 3.2 Gen1 is more commonly referred to as USB 3.0.
19. USB 3.2 Gen2 Type-C Header
The USB 3.2 Gen2 header is used to connect an additional USB interface plug
to the motherboard. These will function similarly to the USB 3.2 Gen2 Type-C
port sometimes found on a motherboard's rear I/O hub, but can also be used
for the chassis' front panel USB, auxiliary ports that mount in the card slots,
and certain devices that directly connect to the header. The USB 3.2 Gen2
Header on the Z790 DARK K|NGP|N is a shielded USB 3.2 Gen2 Header
that supports up to 10Gb/s with USB 3.2 Gen2.
This USB 3.2 Gen2 Header has a power limit of 3000ma (3A) @ 5V.
20. USB 2.0 Headers
The USB 2.0 headers are used to connect additional USB interface plugs to the
motherboard. These will function similarly to the USB 2.0 ports found on the
motherboard's hardwired I/O hub, but these can also be used for the chassis'
front panel USB, auxiliary ports that mount in the card slots, and certain devices
that directly connect to the header.
USB 2.0 standard is 500ma @ 5V per port (header total is 1000ma) for
unpowered devices. If your USB device requires more power, it is
recommended to attach a powered USB Hub.
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