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ECA-4025 User Manual
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The pin headers on the motherboard are often associated with important functions. With the shunt (Jumper)
pushed down on the designated pins (the pin numbers are printed on the circuit board, surrounding the pin
header), certain feature can be enabled or disabled. While changing the jumpers, make sure your system is
turned off.
To short the designated pins, push the jumper down on them so that they become
SHORT . To make the
pins setting OPEN , simply remove the jumper cap.
2-pin Header 3-pin Header 4-pin Header
Open Short Open (1-2) Jumped Open (1-2) Jumped
Jumper/ Connector Description
ATX2 Power in connector
ATX2/ATX4 12V power connector
J1 Gen 3 PCI Express x16 SLOT
JSPIROM1 2x7 2.0mm SPI ROM programming & TPM module pin header
CMOS1 1x3 2.54mm pin header Clear CMOS Data
80PORT1 2x5 2.0mm BIOS DEBUG PORT pin header
JOPEN1 1x2 2.54mm CASE OPEN WAFER
JVGA1 2X6 2.0mm VGA Output Header
CON2 SATA Power Connector
CON3 Power Board Temp Connector
RST1 Reset Button
BAT1 Battery Connector
J13 IPMI Debug COM Port header
J4 IPMI EXT Reset Header
J15 BIOS Boot Up Select Header
J12 Disable Dual BIOS Function Header
JDB2 CPLD Debug header
J16 PROGRAM MCU Header
JDUAL1 Select CS for Flash Fixture header
JPWR1/2 MCU SW PWR Header / PWR Header
JHEAT1/2 Heater PWR Header
PJ5 CPU PWR solution PROGRAM Header
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