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Acrosser AR-V5403FL User Manual

Page 31

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Revision: 1.0

31

31 FAN2 (CPU Fan Connector)

PIN SIGNAL

1 GND

2 12V

3 FAN

Speed

Detect

Note1, 2 Power smart functions

Definition

1. Soft off cycle:

A period when received power off signal to generate a off signal (A 500mS pulse,

High- Low –High or Low-High-Low depends on SIO configuration, to mother board’s

Power Button Pin)

2. Hard Off cycle:

A period when system off (S5) to stand by removed (G3). In another word, the A

period of 5VSB on to off (when system already off)

Notes: S5 and G3 is follow by ACPI

Mode description

The main power-in is controlled by the switch on chassis.

Maximum 16 Modes adjusted by 4 switches. (Mode 8 to mode 15 are reserved for future

use).

Mode 0: ATX mode.

A. 5V Standby is always on.

B. Input voltage is not monitored.

C. Power on/off is controlled by remote switch

D. Local Switch priority is higher than remote switch. This is controlled by hardware.

Mode 1: AT mode

A. Power output immediately after input is present.

B. Power can only be turned off by turning off local switch. The remote switch will be

ignored by Power smart function. In this mode the BIOS shall be set to AT mode.