EVGA X299 Micro (131-SX-E295)
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Component Legend Descriptions
1. CPU Socket 2066
This is the interface for the Central Processing Unit (CPU), and supports Core
i7 models compatible with the Intel 2066 Socket Skylake-X and Kaby Lake-X
architecture.
2. Intel X299 PCH (Southbridge)
The Platform Controller Hub (PCH) handles the role that was previously held
by the South Bridge. The PCH has 4 PCI-E Gen 3 lanes and allocates
bandwidth to smaller PCI-E slots, M.2 Key-E, USB, audio, etc. In simplified
terms, the PCH works as a hub for peripherals that are less bandwidth-
intensive.
3. CPU Fan Headers (PWM)
4-pin fan headers that control the fan speed based on a configurable curve or
static percentage. PWM (Pulse-Width Modulation) works by pulsing power to
the fan at a constant rate and sending the RPM signal to the fan’s controller via
a Sense cable, rather than adjusting fan speed by increasing and decreasing
voltage. This method is preferable because it eliminates voltage-based fan stall
points. Please see Page 88 for more in-depth PWM breakdown and PWM
controls within BIOS/UEFI.
4. Fan Headers DC/PWM
These ports are simply toggled between DC and PWM to be compatible with 3
pin and 4 pin fans. The fans will be set to a static percentage set in BIOS.
5. RGB LED Controller Header
The RBG header is a 4 pin header that allows a software based control within
windows for RGB devices via ELEET-X. Please see Page 43 for control
specifics.
6. DDR4 Memory Slots
The memory slots support up to four 288-pin DDR4 DIMMs in Quad-Channel
mode with Skylake-X processors; and supports up to two 288-pin DDR4
DIMMs in Dual-Channel mode with Kaby Lake-X processors.
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