Card Type	I/O controller
Chipset/Controller	NEC Corporation
I/O Options	Serial ports (8 or 16)
Maximum DRAM	2MB

CONNECTIONS
Purpose	Location	Purpose	Location
100 Pin interface connector	CN1	Upgrade connector 2	P1
Upgrade connector 1	J1	Upgrade connector 3	P2
Upgrade connector	J2
Note:Connectors J1 and J2 interface with connectors P1 and P2.

DRAM CONFIGURATION
Size	Bank 0
512KB	(2) 256K x 9
2MB	(2) 1M x 9

RS-232 MODE SELECTION
Jumper	RS-232
JP1/A-D	Pins 1 & 2 closed
JP2/A-D	Pins 1 & 2 closed
JP3/A-D	Pins 1 & 2 closed
JP4/A-D	Pins 1 & 2 closed
JP5/A-C	Pins 1 & 2 closed
JP6/A-C	Pins 1 & 2 closed
JP7/A-C	Pins 1 & 2 closed
JP8/A-C	Pins 1 & 2 closed
JP9/A-C	Pins 1 & 2 closed
JP10/A-C	Pins 1 & 2 closed
JP11/A-C	Pins 1 & 2 closed
JP12/A-C	Pins 1 & 2 closed
JP13/A-C	Pins 1 & 2 closed
JP14/A-C	Pins 1 & 2 closed
JP15/A-C	Pins 1 & 2 closed
JP16/A-C	Pins 1 & 2 closed

RS-422 MODE SELECTION
Jumper	RS-422
JP1/A-C	Pins 2 & 3 closed
JP1/D	Pins 1 & 2 closed
JP2/A-C	Pins 2 & 3 closed
JP2/D	Pins 1 & 2 closed
JP3/A-C	Pins 2 & 3 closed
JP3/D	Pins 1 & 2 closed
JP4/A-C	Pins 2 & 3 closed
JP4/D	Pins 1 & 2 closed
JP5/A-C	Pins 2 & 3 closed
JP6/A-C	Pins 2 & 3 closed
JP7/A-C	Pins 2 & 3 closed
JP8/A-C	Pins 2 & 3 closed
JP9/A-C	Pins 2 & 3 closed
JP10/A-C	Pins 2 & 3 closed
JP11/A-C	Pins 2 & 3 closed
JP12/A-C	Pins 2 & 3 closed
JP13/A-C	Pins 2 & 3 closed
JP14/A-C	Pins 2 & 3 closed
JP15/A-C	Pins 2 & 3 closed
JP16/A-C	Pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTE

Serial ports are located on an interface box which connects to the Hostess I/E 8 via the 100-pin interface connector.