SOYO Motherboard SY-6BA+ IV - Manual (Page 88)

BIOS Setup Utility SY-6BA+ IV
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3-8.6 MULTI I/O ADDRESSES
Default settings for multi-I/O addresses are as follows:
Port I/O Address IRQ Status
LPT1 378H 7 ECP/EPP
COM1 3F8H 4
COM2 2F8H 3
Warning: If a default I/O address conflicts with other I/O cards
such as sound card, you must change one of the I/O addresses to
remedy to this address conflict. (I/O addresses can be adjusted from
the BIOS Setup Utility)