MC/4I+, MC/8I+ (RS-232 VERSION) IO card Settings and Configuration

Card Type	Serial
Processor	80C186
Processor Speed	Unidentified
Chipset	Unidentified
Maximum Onboard Memory	256KB dual-ported RAM
I/O Options	Serial ports (5 for MC/4i+, 9 for MC/8i+)
Data Bus	MCA
Card Size	Full height, full length

CONNECTIONS
Function	Label	Function	Label
RS-232 asynchronous serial ports via DB-78 connector	CN1	Header to H2B	H2A
RS-232 synchronous serial port via RJ-45 connector	CN2	Header to H2A	H2B
Header to H1B	H1A	Header to H3B	H3A
Header to H1A	H1B	Header to H3A	H3B
Note:Standard serial ports are provided on an included adapter cable.

USER CONFIGURABLE SETTINGS
Setting		Label	Position
	Pin 10 of synchronous port is receive/transmit clock signal A	J1	Pins 1 & 2 closed
	Pin 10 of synchronous port is DCD signal	J1	Pins 2 & 3 closed
	Pin 1 of synchronous port is transmit/receive clock signal	J2	Pins 1 & 2 closed
	Pin 1 of synchronous port is sync B signal	J2	Pins 2 & 3 closed
»	Shared memory window is 32KB	JP1	Pins 2 & 3 closed
	Shared memory window is 128KB	JP1	Pins 1 & 2 closed

EPROM SIZE SELECTION
Setting	J5	J6
16KB	Pins 1 & 2 closed	Pins 1 & 2 closed
32KB	Pins 1 & 2 closed	Pins 1 & 2 closed
64KB	Pins 1 & 2 closed	Pins 2 & 3 closed
128KB	Pins 2 & 3 closed	Pins 2 & 3 closed

SYNCHRONOUS PORT PIN 2 CONFIGURATION
Setting	J3	J4
DSR signal	Pins 1 & 2 closed	Pins 1 & 2 closed
Sync A signal	Pins 2 & 3 closed	Pins 2 & 3 closed