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14
Multi I/O Port Addresses
Default settings for multi-I/O port addresses are shown in the table
below.
Port
LPT1*
COM1
COM2
* If default I/O port addresses conflict with other I/O cards (e.g. sound
cards or I/O cards), you must adjust one of the I/O addresses to avoid
address conflict. (You can adjust these I/O addresses from the BIOS.
Note:
Some sound cards have a default IRQ setting for IRQ7, which
may 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.
COM1, COM2– COM1/COM2 Connectors
Attach COM1/COM2 device cable to these connectors.
FDC Connector
Attach floppy cable to this connector.
J19 – Hardware Reset Control
Attach the Reset switch to J19. Closing the Reset switch restarts the
system.
J24 – HDD LED Connectors
Attach the cable of hard disk drive LEDs to this connector. The LED
lights when an HDD is active.
I/O Address
378H
3F8H
2F8H
IRQ
7
ECP + EPP
4
3
Hardware Setup
Status
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