AIC SB401-VG, User Manual, Page: 52 / 91

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Chapter 3. Hardware Settings
Remote Power Control (JMCU_UART)
Pin Description Pin Description
2 DOWN_RXD 1 UP_RXD
4 GND 3 GND
6 DOWN_TXD 5 UP_TXD
Console for MCU (JMCU_DBG)
Pin Description
1 MCU_RXD
2 GND
3 MCU_TXD
2.54mm Header for Front I/O (JFRONT)
• Fan number select
Pin [5,6] Pin [3,4] Pin [1,2] Fan no� support Active Fan Locate
Close Close Close
No Fan
Close Close Open
One Fan JFAN1
Close Open Close
Two Fan JFAN1 and JFAN2
Close Open Open
Three Fan JFAN1,JFAN2 and JFAN3
Open Close Close
Four Fan JFAN1,JFAN2,JFAN3 and JFAN4
• AT Mode Setting
Pin Description Remark
9 GND
10 AT_SEL_N Active Low
• Mute SW
Pin Description Remark
17 GND
18 MUTE Input(-) Active Low
1
2 5
6
1 3
24 2
23 1
Fan number select