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QUAD RS232 (VER. 4.5)
BRAIN BOXES

QUAD RS232 (VER. 4.5)

Card Type	Serial controller
Chip Set	Unidentified
Maximum Onboard Memory	Unidentified
I/O Options	Serial ports (4)
Data Bus	16-bit ISA

CONNECTIONS
Function	Label
37-pin serial port connector	CN1

USER CONFIGURABLE SETTINGS
Function		Label	Position
�	Factory configured - do not alter	JP10	Closed
�	Factory configured - do not alter	JP11	Open
�	Factory configured - do not alter	JP12	Closed
�	Factory configured - do not alter	SW1/1	On
�	Factory configured - do not alter	SW1/2	On
�	Factory configured - do not alter	SW1/3	On
�	Factory configured - do not alter	SW1/4	Unidentified

SERIAL PORT 1 ADDRESS SELECTION
Setting		JP1/A	JP1/B	JP1/C	JP1/D	JP1/E
	COM1 (3F8h)	Open	Open	Open	Closed	Open
�	COM2 (2F8h)	Open	Open	Closed	Open	Open
	COM3 (3E8h)	Open	Closed	Open	Open	Open
	COM4 (2E8h)	Closed	Open	Open	Open	Open
	Bank	Open	Open	Open	Open	Closed

SERIAL PORT 2 ADDRESS SELECTION
Setting		JP2/A	JP2/B	JP2/C	JP2/D	JP2/E
	COM1 (3F8h)	Open	Open	Open	Closed	Open
	COM2 (2F8h)	Open	Open	Closed	Open	Open
�	COM3 (3E8h)	Open	Closed	Open	Open	Open
	COM4 (2E8h)	Closed	Open	Open	Open	Open
	Bank	Open	Open	Open	Open	Closed

SERIAL PORT 3 ADDRESS SELECTION
Setting		JP3/A	JP3/B	JP3/C	JP3/D	JP3/E
	COM1 (3F8h)	Open	Open	Open	Closed	Open
	COM2 (2F8h)	Open	Open	Closed	Open	Open
	COM3 (3E8h)	Open	Closed	Open	Open	Open
�	COM4 (2E8h)	Closed	Open	Open	Open	Open
	Bank	Open	Open	Open	Open	Closed

SERIAL PORT 4 ADDRESS SELECTION
Setting		JP4/A	JP4/B	JP4/C	JP4/D	JP4/E
	COM1 (3F8h)	Open	Open	Open	Closed	Open
	COM2 (2F8h)	Open	Open	Closed	Open	Open
	COM3 (3E8h)	Open	Closed	Open	Open	Open
	COM4 (2E8h)	Closed	Open	Open	Open	Open
�	Bank	Open	Open	Open	Open	Closed

SERIAL PORT 1 INTERRUPT SELECTION
IRQ		JP5/A	JP5/B	JP5/C	JP5/D	JP5/E	JP5/F
�	Shared	Open	Open	Open	Open	Open	Open
	2	Open	Open	Open	Open	Open	Open
	3	Open	Open	Open	Open	Open	Open
	4	Open	Open	Open	Open	Open	Open
	5	Open	Open	Open	Open	Open	Open
	6	Open	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open	Closed
	10	Open	Open	Open	Open	Closed	Open
	11	Open	Open	Open	Closed	Open	Open
	12	Open	Open	Closed	Open	Open	Open
	14	Open	Closed	Open	Open	Open	Open
	15	Closed	Open	Open	Open	Open	Open

SERIAL PORT 1 INTERRUPT SELECTION (CON�T)
IRQ		JP5/G	JP5/H	JP5/I	JP5/J	JP5/K	JP5/L
�	Shared	Open	Open	Open	Open	Open	Closed
	2	Open	Open	Open	Open	Closed	Open
	3	Open	Open	Open	Closed	Open	Open
	4	Open	Open	Closed	Open	Open	Open
	5	Open	Closed	Open	Open	Open	Open
	6	Closed	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open	Open
	10	Open	Open	Open	Open	Open	Open
	11	Open	Open	Open	Open	Open	Open
	12	Open	Open	Open	Open	Open	Open
	14	Open	Open	Open	Open	Open	Open
	15	Open	Open	Open	Open	Open	Open

SERIAL PORT 2 INTERRUPT SELECTION
IRQ		JP5/A	JP5/B	JP5/C	JP5/D	JP5/E	JP5/F
�	Shared	Open	Open	Open	Open	Open	Open
	2	Open	Open	Open	Open	Open	Open
	3	Open	Open	Open	Open	Open	Open
	4	Open	Open	Open	Open	Open	Open
	5	Open	Open	Open	Open	Open	Open
	6	Open	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open	Closed
	10	Open	Open	Open	Open	Closed	Open
	11	Open	Open	Open	Closed	Open	Open
	12	Open	Open	Closed	Open	Open	Open
	14	Open	Closed	Open	Open	Open	Open
	15	Closed	Open	Open	Open	Open	Open

SERIAL PORT 2 INTERRUPT SELECTION (CON�T)
IRQ		JP5/G	JP5/H	JP5/I	JP5/J	JP5/K	JP5/L
�	Shared	Open	Open	Open	Open	Open	Closed
	2	Open	Open	Open	Open	Closed	Open
	3	Open	Open	Open	Closed	Open	Open
	4	Open	Open	Closed	Open	Open	Open
	5	Open	Closed	Open	Open	Open	Open
	6	Closed	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open	Open
	10	Open	Open	Open	Open	Open	Open
	11	Open	Open	Open	Open	Open	Open
	12	Open	Open	Open	Open	Open	Open
	14	Open	Open	Open	Open	Open	Open
	15	Open	Open	Open	Open	Open	Open

SERIAL PORT 3 INTERRUPT SELECTION
IRQ		JP5/A	JP5/B	JP5/C	JP5/D	JP5/E	JP5/F
�	Shared	Open	Open	Open	Open	Open	Open
	2	Open	Open	Open	Open	Open	Open
	3	Open	Open	Open	Open	Open	Open
	4	Open	Open	Open	Open	Open	Open
	5	Open	Open	Open	Open	Open	Open
	6	Open	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open	Closed
	10	Open	Open	Open	Open	Closed	Open
	11	Open	Open	Open	Closed	Open	Open
	12	Open	Open	Closed	Open	Open	Open
	14	Open	Closed	Open	Open	Open	Open
	15	Closed	Open	Open	Open	Open	Open

SERIAL PORT 3 INTERRUPT SELECTION (CON�T)
IRQ		JP5/G	JP5/H	JP5/I	JP5/J	JP5/K	JP5/L
�	Shared	Open	Open	Open	Open	Open	Closed
	2	Open	Open	Open	Open	Closed	Open
	3	Open	Open	Open	Closed	Open	Open
	4	Open	Open	Closed	Open	Open	Open
	5	Open	Closed	Open	Open	Open	Open
	6	Closed	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open	Open
	10	Open	Open	Open	Open	Open	Open
	11	Open	Open	Open	Open	Open	Open
	12	Open	Open	Open	Open	Open	Open
	14	Open	Open	Open	Open	Open	Open
	15	Open	Open	Open	Open	Open	Open

SERIAL PORT 4 INTERRUPT SELECTION
IRQ		JP5/A	JP5/B	JP5/C	JP5/D	JP5/E	JP5/F
�	Shared	Open	Open	Open	Open	Open	Open
	2	Open	Open	Open	Open	Open	Open
	3	Open	Open	Open	Open	Open	Open
	4	Open	Open	Open	Open	Open	Open
	5	Open	Open	Open	Open	Open	Open
	6	Open	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open	Closed
	10	Open	Open	Open	Open	Closed	Open
	11	Open	Open	Open	Closed	Open	Open
	12	Open	Open	Closed	Open	Open	Open
	14	Open	Closed	Open	Open	Open	Open
	15	Closed	Open	Open	Open	Open	Open

SERIAL PORT 4 INTERRUPT SELECTION (CON�T)
IRQ		JP5/G	JP5/H	JP5/I	JP5/J	JP5/K	JP5/L
�	Shared	Open	Open	Open	Open	Open	Closed
	2	Open	Open	Open	Open	Closed	Open
	3	Open	Open	Open	Closed	Open	Open
	4	Open	Open	Closed	Open	Open	Open
	5	Open	Closed	Open	Open	Open	Open
	6	Closed	Open	Open	Open	Open	Open
	7	Open	Open	Open	Open	Open	Open
	10	Open	Open	Open	Open	Open	Open
	11	Open	Open	Open	Open	Open	Open
	12	Open	Open	Open	Open	Open	Open
	14	Open	Open	Open	Open	Open	Open
	15	Open	Open	Open	Open	Open	Open

SHARED INTERRUPT STATUS REGISTER ADDRESS SELECTION
Setting		SW3/1	SW3/2	SW3/3	SW3/4	SW3/5	SW3/6	SW3/7	SW3/8	SW2/8
	100h	Off	On	On	On	On	On	On	On	On
	108h	Off	On	On	On	On	Off	On	On	On
	110h	Off	On	On	On	Off	On	On	On	On
	118h	Off	On	On	On	Off	Off	On	On	On
	120h	Off	On	On	Off	On	On	On	On	On
�	3A0h	Off	Off	On	Off	On	On	On	On	Off
	3D0h	Off	Off	Off	On	Off	On	On	On	Off
	3D8h	Off	Off	Off	On	Off	Off	On	On	Off
	3E0h	Off	Off	Off	Off	On	On	On	On	Off
	3E8h	Off	Off	Off	Off	On	Off	On	On	Off
	3F0h	Off	Off	Off	Off	Off	On	On	On	Off

SERIAL PORT BANK ADDRESS SELECTION
Port 1		Port 2	Port 3	Port 4	SW2/1	SW2/2	SW2/3	SW2/4	SW2/5	SW2/6	SW2/7
	-	-	-	100h	On	Off	On	On	On	Off	Off
	-	-	100h	108h	On	Off	On	On	On	Off	On
	-	100h	108h	110h	On	Off	On	On	On	On	Off
	100h	108h	110h	118h	On	Off	On	On	On	On	On
	108h	110h	118h	120h	On	Off	On	On	Off	Off	Off
�	180h	188h	190h	198h	On	Off	Off	On	On	On	On
	3C0	3C8	3D0	3D8	Off	Off	Off	Off	On	On	On
	3C8	3D0	3D8	3E0	Off	Off	Off	Off	Off	Off	Off
	3D0	3D8	3E0	3E8	Off	Off	Off	Off	Off	Off	On
	3D8	3E0	3E8	3F0	Off	Off	Off	Off	Off	On	Off
	3E0	3E8	3F0	3F8	Off	Off	Off	Off	Off	On	On
Note: A total of 96 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/7 is the Least Significant Bit, and switch SW1/1 is the Most Significant Bit. Turn off the switches and add the values of the switches to obtain the correct memory address. (Off=1, On=0). Low address settings will leave some ports disabled. Ports may not be assigned addresses below 100h.