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2.
COM1 RS422/RS485 terminator (2-pin J1~4)
3.
AT/ATX Mode selection (2-pin ATX_AT)
Pins
1-2 (Default)
2-3
NOTE: Jumper setting of ATX_AT should be consistent with the setting of
Power Mode in BIOS. Refer to section 3.3.9 Power Management in Chapter 3.
Chapter 2: Motherboard information
J1~4
RS232
RS485/RS422
with terminator (Default)
ATX_AT
1
2
2 3
ATX mode
AT mode
(Default)
ATX mode
AT mode
2-13
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