User Manual

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2.16.1 Signal Tables for Headers and Connectors
This section more clearly defines the pinouts and connector types used in Table 8.
A, E – 4pin Desktop PWM CPU Fan Headers
Connector is a 1 x 4, 2.54mm pitch; Standard Desktop PWM 4pin fan.
Pin
Number
Pin Definition - Signal
1
Ground
2 +12V DC POWER
3 Tachometer / Sense
4
Pulse-Width Modulation (PWM)
B, C – DDR5-SODIMM Slots
Connectors are standard vertical mount 262pin DDR5 SODIMM connectors.
D – 10-pin Front Panel IO Header
Connector is a 2 x 5, 2.54mm pitch connector.
I, Front Panel Header
Pin
Number
Signal Name
Description
1 HDD_POWER_LED Pull-up 750Ω to +5V
2
POWER_LED_MAIN
[Out] Front panel LED (main color)
3
HDD_LED#
[Out] HDD activity LED
4
POWER_LED_ALT
[Out] Front panel LED (alt color)
5 GROUND Ground
6
POWER_SWITCH#
[In] Power switch
7
RESET_SWITCH#
[In] Reset switch
8
GROUND
Ground
9 +5V_DC (1A) (Vcc) Power
10
Key (EMPTY)
No Pin
F - Internal USB 3.1 Gen 2 Type-C 20pin Header (Key A)
C, Internal USB 3.1 Gen 2 Type-C 20pin
Header (Key A)
Pin
Number
Signal
Pin Number
Signal
1
Ground
11
VBUS
2 TX1+ 12 TX2+
3 TX1- 13 TX2-
4
Ground
14
Ground
5
RX1+
15
RX2+
6 RX1- 16 RX2-