2-13
Chapter 2: Motherboard information
2. AT Mode (ATMODE)
AT MODE
1-2
ATX MODE
2-3
3. COM1 Ring/+5V/+12V selection (COM1_VSET1)
+12V
+5V
3-4
Ring
5-6
EMB-B75A COM VSET connectors
PIN 1
+12V +5V RI
+12V +5V
RI
Com1_Vset1