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

CONNECTIONS
Function	Label	Function	Label
RS-232, RS-422, or RS-485 serial ports via DB-78 connector	CN1	Header to H2A	H2B
Header to H1B	H1A	Header to H3B	H3A
Header to H1A	H1B	Header to H3A	H3B
Header to H2B	H2A
Note:Standard serial ports are provided on an included adapter cable. The types of serial ports provided are configured at the factory and are not user-configurable.

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Shared memory window is 32KB	J1	Pins 2 & 3 closed
	Shared memory window is 128KB	J1	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
Note:On RS-422 versions of this board, the jumpers are labeled J3 and J4, respectively.