X735 Hardware

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Jumper No. Usage
Pin 1 and Pin 2
(Auto ON)
Short - Auto power on when power applied
Open - Power on when power button pressed
Pin 3 and Pin 4
(Fan FS)
Short - PWM fan is controled by GPIO, need to install script
Open - PWM fan run at full speed


X735 V2.5 PCB Size:65x68mm


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Anonymous user #3

6 months ago
Score 0++
IIs it possible to find more information about that power management pins. I need to use both SPI interface and on SPI-2 that pin 38 is using as MOSI. If I will cat connection that pin#38(GPIO20) between RaspPI and X735 - what happens with that power scheme ?


6 months ago
Score 0++


pin#38(GPIO20) for power management.please refer to [Pins and GPIO used] above.

X735 cannot share PIN with other devices, otherwise power management will not work properly.

Anonymous user #2

8 months ago
Score 0++
Thank you so much. It's a shame that only the X 735 has a 4 pin PWM fan.

Anonymous user #1

8 months ago
Score 0++
Hi. I want to use Raspberry Pi 4 with X735 V2.5 plus X857 or X873. I want to find UPS, what can you recommend?


8 months ago
Score 0++

Hello,you can use X708 UPS board; But X735 and X708 cannot be used together.

please refer X857 board + X708 UPS board + X857-C3 (if you want a case).