Chapter  2  Hardware Configuration 
 
 
 
Prox-1260 USER
′
S MANUAL 
Page: 2-21 
 
 
2-28. ATX BACKPLANE CONNECTOR 
 
JP9 : ATX Backplane Connector. 
The pin assignments are as follows : 
 
PIN ASSIGNMENT 
1 5V_SB 
2 GND 
3 PS_ON 
 
2-29. AT/ATX POWER SELECTION   
 
J2, J3 : AT/ATX Power Selection 
The selections are as follows: 
 
POWER 
SELECTION 
JUMPER SETTING
(pin closed) 
J2      J3 
JUMPER 
ILLUSTRATION 
ATX Open Open 
 
AT Close Close 
 
***Manufacturing Default: AT 
 
 As a reminder, when you choose to use the ATX function, please be 
sure to set the corresponding configuration found in BIOS setup such 
as: 
1. Inside the “POWER MANAGEMENT” setting, set the ACPI 
function to enable. 
1
JP9