EVGA Z790 CLASSIFIED User Manual page 20

EVGA Z790 CLASSIFIED (121-RL-E798)
From top to bottom, the function for the JAT1 connector: CPU Vcore, CPU
VCCIN AUX, CPU VDD2, CPU 1.05V, CPU 1.8V, PCH 1.05V, PCH 0.82V,
PCH 1.8V, VGT, GND.
27. PC Speaker
A small mono low-fidelity speaker, permanently attached to the motherboard.
Its primary use is for debugging purposes. A POST beep may indicate a
successful POST or various tones for USB initialization, while other beeps may
indicate an issue during the POST process. Please see Page 112 for more details.
28. BIOS SafeBoot Button
Pressing this button while the system is running will reboot the motherboard
directly into the BIOS without clearing CMOS. This feature is very useful for
situations where the motherboard is unable to complete boot due to a failed
overclock and the user does not want to erase the previous settings used.
29. USB to SPI for BIOS Flash
This USB port is designed to connect directly to the motherboard to allow the
motherboard BIOS to be flashed, even if no CPU is installed. For more
information on how to flash your BIOS using this method, please see Page 102.
30. ARGB LED Controller Header
The ARGB header is a 3pin 5V. header with a current limit of 2A; anything
above 2A will trigger overcurrent protection and lock at 2A. This header
provides RGB lighting configuration via EVGA ELEET X1 within Windows,
and supports up to 125 LEDs. Please see Page 42 for header specifics, and Page
94 for control options in ELEET X1.
31. Rear Panel I/O (Figure 2)
This is the section referred to as the I/O Hub. This panel contains the
hardwired USB, Audio, and Ethernet connections. Please see Page 14 for a
component level breakdown.
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