Category	Serial Controller
Chipset Controller	Intel Corporation
I /O Options Supported	Serial port
Maximum Onboard Memory	N/A

CONNECTIONS
Purpose	Location	Purpose	Location
DCE connector - female DB-25	CN1	DTE connector - male DB-25	CN2
Note: Either CN1 or CN2 is installed, but not both.

DRIVER CONTROL
Setting	J2
Drivers always enabled	pins 1 & 2 closed
Drivers enabled by communications register bit D0	pins 2 & 3 closed

RECEIVER CONTROL
Setting	J2
Receivers always enabled	pins 4 & 5 closed
Receivers enabled by communications register bit D1	pins 5 & 6 closed

DMA REQUEST CHANNEL
Setting	J3
DTR/REQA for transmitting data	pins 1 & 2 closed
RDY/REQB for receiving data	pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTES

J1 is factory configured - do not alter.