EVOC COM-1816CLNA, User Manual

Page: 76 / 129

Installation Instructions
COM-1816CLNA · 9 ·
Tip: How to identify the first pin of the jumpers and connectors
1. Observe the letter beside the socket, the first pin is usually marked with “1” or
bold lines or triangular symbols;
2. Observe the solder pad on the back: usually the square pad is the first pin.
2.5 Jumper Setting
1. SW1: AT/ATX Selection Switch
Pin Function
OFF ATX (default)
1
ON AT
OFF GPO pull-up 100K Ω (default)
SW1
2
ON GPO pull-down 100K Ω
2.6 CMOS Battery Connector
This board provides one 1×2Pin CMOS battery connector (pitch: 1.25mm). Its pin
definition is as follows:
Pin
Signal Name
1 BAT+
BAT1
(pitch: 1.25mm)
2 BAT-
2.7 Fan Connector
This board provides one 1×4Pin CPU fan (CPUFAN1, pitch: 1.25mm). Please pay
attention to the following three points when using the fan connector.
 The fan current should not be more than 700mA (12V).
 Please confirm the fan cable is in accordance with the cable of this connector.