DIAMOND I/O IO card Settings and Configuration

Card Type	Multi I/O
Chipset/Controller	National Semiconductor
I/O Options	Parallel port, serial ports (2)
Maximum DRAM	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	J1	Parallel port	J3
Serial port 2	J2

SERIAL PORT CONFIGURATION
Port 1 (J1)		Setting	SW1/switch 3	SW1/switch 6
»	COM1	Enabled	On	Off
	COM3	Disabled	Off	On

SERIAL PORT CONFIGURATION
Port 2 (J2)		Setting	SW1/switch 4	SW1/switch 7
»	COM2	Enabled	On	Off
	COM4	Disabled	Off	On

SERIAL PORT INTERRUPT SELECTION
Port 1 (J1)		Port 2 (J2)	SW2/1	SW2/2	SW2/3	SW2/4
»	IRQ4	IRQ3	On	Off	On	Off
	IRQ3	IRQ4	Off	On	Off	On

SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION
Port 1		Port 2	J4	J5
»	Normal	Normal	Pins 2 & 3, 5 & 6, 8 & 9 closed	Pins 2 & 3, 5 & 6, 8 & 9 closed
	Forced True	Forced True	Pins 1 & 2, 4 & 5, 7 & 8 closed	Pins 1 & 2, 4 & 5, 7 & 8 closed

SERIAL PORT'S DTE/DCE CONFIGURATION
Primary serial port J1	Secondary serial port J2
Jumper J6	Jumper J7

PARALLEL PORT SETTINGS
LPT		SW1/switch 1	SW1/switch 5
»	1	On	Off
	2	Off	On

PARALLEL PORT INTERRUPTS
IRQ		SW2/switch 5	SW2/switch 6
»	IRQ7	On	Off
	IRQ5	Off	On

CLOCK CONFIGURATION
Clock		SW1/switch 2
»	Enabled	On
	Disabled	Off

CLOCK INTERRUPT SELECT
IRQ		SW2/switch 7	SW2/switch 8
»	IRQ2	Off	On
	IRQ5	On	Off