Interfaces


PCIe Gen4 x4

One x4 lanes at a x4 slot (slot named as PCIE0-3)

Two x4 lanes at a x8 slot (slot named as PCIE8-15)

An additional PCIe adapter card will be required for fully utilize these two x4 lanes

M.2 M-KEY

One PCIe Gen4 x4 lanes at M.2 M-KEY connector for NVMe SSD, up to 22110

USB4 at Type C Connector

Two USB4 interface at Type C connectors.

The feature of each USB4 interface as below

  • USB3.x 10Gbps data transfer speed
  • DisplayPort Alt Mode
  • 5V/2A power delivery

eDP (Embedded DisplayPort)

40-pin connector

Pin Signal Pin Signal
1 N.C 2 BKL_PWR
3 BKL_PWR 4 BKL_PWR
5 BKL_PWR 6 N.C
7 N.C 8 BKL_CTRL
9 BKL_ENABLE 10 GND
11 GND 12 GND
13 GND 14 HPD
15 GND 16 GND
17 GND 18 GND
19 N.C 20 Panel_PWR
21 Panel_PWR 22 Panel_PWR
23 Panel_PWR 24 GND
25 AUX_N 26 AUX_P
27 GND 28 eDP_LANE0_P
29 eDP_LANE0_N 30 GND
31 eDP_LANE1_P 32 eDP_LANE1_N
33 GND 34 eDP_LANE2_P
35 eDP_LANE2_N 36 GND
37 eDP_LANE3_P 38 eDP_LANE3_N
39 GND 40 N.C

BKL_PWR (backlight power) default is 5V, Panel_PWR (panel power) default is 3.3V. Both of them can be adjusted by JP28, JP29, as table below

JP28 for panel power setting

Jumper Status
1-2 3.3V (default)
2-3 5V

JP29 for backlight power setting

Jumper Status
1-2 12V
2-3 5V (default)

COM Port

COM1_SER0 and COM2_SER1 are two individual headers. 2.0mm pitch

Both of them are sourced from COM-HPC module.

Pin Signal Pin Signal
1 N.C 2 N.C
3 UART_RX 4 UART_RTS
5 UART_TX 6 UART_CTS
7 N.C 8 N.C
9 GND 10 N.C

COM3 and COM4 are two individual headers. 2.0mm pitch

Both of them are sourced from a Super I/O (eSPI_CS1 enabled required)

Pin Signal Pin Signal
1 DCD 2 DSR
3 RX 4 RTS
5 TX 6 CTS
7 DTR 8 RI
9 GND 10 N.C

Jumpers for COM3 (named as MODE0/MODE1) for RS232/RS485/RS422 selection

Mode MODE0 MODE1
RS232 (default) 2-3 1-2
RS485 1-2 2-3
RS422 1-2 1-2

COM3 and COM4 are from Super I/O. Super I/O communicates with CPU through eSPI bus and Super I/O locate at carrier board. eSPI_CS1 need be enabled for the usage and it can be set-up at BIOS menu. eSPI_CS1 default is disabled

Front Panel Signal

Power Button, Reset Button, HDD LED, Power LED signals

Pin Signal Pin Signal
19 N.C 20 N.C
17 N.C 18 BUZZER
15 N.C 16 N.C
13 GND 14 N.C
11 +5VSB 12 +5V
9 N.C 10 N.C
7 SYS_RESET# 8 GND
5 GND 6 PWR_BTN#
3 HDD_LED_N 4 GND
1 HDD_LED_P 2 +5V

Front Panel USB

9-pin header at 2.54mm pitch

Pin Signal Pin Signal
1 +5V 2 +5V
3 USB7_N 4 USB6_N
5 USB7_P 6 USB6_P
7 GND 8 GND
9 GND

SMBus

4-pin header at 2.54mm pitch

Pin Signal Pin Signal
1 +1.8V 2 SMB_DATA
3 SMB_CLK 4 GND

I2C

Two I2C buses

Individual 4-pin header at 2.54mm pitch

Pin Signal Pin Signal
1 +1.8V 2 I2C_DATA
3 I2C_CLK 4 GND

GPIO

14-pin header at 2.54mm pitch

Pin Signal Pin Signal
1 1.8V 2 GPIO_06
3 GPIO_00 4 GPIO_07
5 GPIO_01 6 GPIO_08
7 GPIO_02 8 GPIO_09
9 GPIO_03 10 GPIO_10
11 GPIO_04 12 GPIO_11
13 GPIO_05 14 GND

CPU FAN

4-pin connector. The FAN control signals sourced from COM-HPC module

Pin Signal
1 GND
2 +12V_5V_FAN
3 SENSE_FAN
4 PWMOUT_FAN

System FAN

Two system FAN connectors. All are 4-pin.

The FAN control signals sourced from Super I/O (need enable ESPI_CS1 at BIOS)

Pin Signal
1 GND
2 +12V_5V_FAN
3 SENSE_FAN
4 PWMOUT_FAN

Power Input

24-pin and 4-pin power connector. All of them must be connected

CPU (COM-HPC module) is powered by the 12V from 24-pin and 4-pin

Once the mechanical switch of power supply switch-on, the system will power on directly