Multi 1/0 Port Addresses; Connectors; J1-Ps/2 Mouse Connector; J3-Keyboard Connector - SOYO Pentium SiS 551x User's Manual & Technical Reference

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Multi I/O Port Addresses
Default settings for multi-I/O port addresses are shown in the table below.
Port* I/O Address
LPT1
COM1
COM2
If default 1/0 port addresses conflict with other 1/0 cards (e.g. sound cards or 1/0
cards), you must adjust one of the 1/0 addresses to avoid address conflict. (You can
adjust these 1/0 addresses from the BIOS..)
sound
Some
Note:
conflict with printing functions. If this occurs do not use sound card
functions at the same time you print.

Connectors

Attach the mainboard to case devices, or an external battery, via connectors on the
mainboard. Refer to Figure 1-1 for connector locations and connector pin positions.
J1 - PS/2 Mouse Connector
Attach PS/2 mouse cable to this connector.
J3 - Keyboard Connector
A
five-pin female DIN keyboard connector
the keyboard jack into this connector.
J4 - Power Supply Connectors
The mainboard requires a power supply with at least 200 watts and a '( power good
signal. J3 has two six-pin male header connectors. Plug the dual connectors from the
power directly onto the board connector while making sure the black leads are in
the center,
IRQ
378H 7
4
3F8H
2F8H 3
cards have a default IRQ setting for IRQ 7, which may
is located at the rear of the board. Plug
.
Hardware Setup
status
ECP/EPP
. .