SUPER MICRO Computer X8STI-F, X8STI-LN4, X8STI-3F user manual Fan Headers, Chassis Intrusion

Fan Header

Pin Definitions

Pin# Definition

1 Ground (Black)

2 2.5A/+16V (Red)

3 Tachometer

4 PWM_Control

X8STi/X8STi-F/X8STi-3F/X8STi-LN4 User's Manual

Fan Headers

The X8STi/X8STi-F/X8STi-3F/X8STi-LN4 has six fan headers (Fan1 ~ Fan6). These fans are

4-pin fan headers. However, Pins 1-3 of the fan headers are backward compatible with the traditional 3-pin fans. A fan speed control setting in the BIOS Hardware Monitoring section allows the BIOS to automatically set fan speeds based

on the system temperature. The default setting is Disabled which allows the onboard fans to

run at full speed. Refer to the table on the right for pin definitions.

Note: Please use all 3-pin fans or all 4-pin fans on a motherboard. Please do not use 3-pin fans and 4-pin fans on the same board.

Chassis Intrusion

A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate cable from the chassis to inform you of a chassis intru- sion when the chassis is opened.

A

Chassis Intrusion

Pin Definitions (JL1)

Pin# Definition

1Intrusion Input

2Ground

A. Fan1

B. Fan2

B C. Fan3

D. Fan4

E.Fan5

F.Fan6

G.Chassis Intru- sion

NIC4 LED

F

C

D

JBMC1

LSI 1068E

E

G

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