2-13
Chapter 2: Motherboard information
RS232
RS485/RS422
with terminator (Default)
J3
J1
J2
J4
2. COM1 RS422/RS485 terminator (2-pin J1~4)
3. AT/ATX Mode selection (2-pin ATX_AT)
Pins
1-2 (Default)
ATX mode
2-3
AT mode
2
1
2 3
ATX mode
(Default)
AT mode
ATX_AT
NOTE:
Jumper setting of
ATX_AT
should be consistent with the setting of
Power Mode
in BIOS. Refer to section
3.3.7 Power Management
in Chapter 3.
