J5 Fan Connector

1FAN9_12VPWM

2FAN9_TACH

3GND

4GND

5FAN10_TACH

6FAN10_12VPWM

J15 & J16 LCM Connectors

1

LCM_+5V

2

LCM_SIN

 

 

 

 

3

KEY PIN

4

GND

 

 

 

 

5

LCM_+5VSB

6

LCM_SOUT

 

 

 

 

JP1 Fan Input Select Connector

Pin1 & Pin2 Close

Fan PWM signal from J8

 

 

Pin2 & Pin3 Close

Fan PWM signal from J4, J7

 

& J14 (Default)

 

 

JP2 Fan Input Select Connector

 

 

Pin1 & Pin2 Close

0V

 

 

Pin2 & Pin3 Close

+5V (Default)

 

 

54

Chapter 3: Replacing Pre-Installed Components

Page 62
Image 62
Tyan Computer B2881 manual FAN912VPWM FAN9TACH GND FAN10TACH