Card Type	Serial
Chipset	GoldStar
I/O Options	Serial ports (4)
Data Bus	8-bit ISA

CONNECTIONS
Function	Label
Serial ports via RJ-11 connector	J1
Note:Standard DB-25 serial ports are provided on an external expansion box.

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Bus speed set to 16MHz or lower	JP1	Pins 1 & 2 closed
	Bus speed set higher than 16MHz	JP1	Pins 3 & 4 closed
»	Factory configured - do not alter	JP3	Unidentified
»	Board is in normal mode	JP5	Pins 1 & 2 closed
	Board is in PC-MOS/386 mode	JP5	Pins 2 & 3 closed

SERIAL PORT ADDRESSES/INTERRUPTS
Option		Port 1	IRQ	Port 2	IRQ	Port 3	Port 4
	1	3F8h (COM1:)	4	2F8h (COM2:)	3	1B0h	1B8h
	2	3F8h (COM1:)	4	2F8h (COM2:)	3	2B0h	2B8h
»	3	1A0h	SW1	1A8h	SW1	1B0h	1B8h
	4	2A0h	SW1	2A8h	SW1	2B0h	2B8h
Note:The interrupt for port 3 and port 4 is always set by SW1.

SERIAL PORT ADDRESSES/INTERRUPTS (CON’T)
Option		JP2	SW1/7	SW1/8
	1	Pins 1 & 2, 3 & 4 closed	On	On
	2	Pins 1 & 2, 3 & 4 closed	On	Off
»	3	Open	Off	On
	4	Open	Off	Off

INTERRUPT
Setting		SW1/1	SW1/2	SW1/3	SW1/4	SW1/5	SW1/6
	IRQ2	On	Off	Off	Off	Off	Off
	IRQ3	Off	On	Off	Off	Off	Off
	IRQ4	Off	Off	On	Off	Off	Off
»	IRQ5	Off	Off	Off	On	Off	Off
	IRQ6	Off	Off	Off	Off	On	Off
	IRQ7	Off	Off	Off	Off	Off	On

MAXIMUM TRANSFER RATE
Setting	JP4/A	JP4/B	JP4/C
9600bps	Open	Open	Closed
19.2Kbps	Open	Closed	Open
38.4Kbps	Closed	Open	Open

DIAGNOSTIC LED(S)

The function of the LED is unidentified.