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# TANDON CORPORATION
QUAD SERIAL OPTION BOARD
Category I/O
Data Bus Type 8-bit ISA
Memory Type Unidentified
Maximum Onboard Memory Unidentified
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| 37-pin multi serial connector | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR CONTROL SETTINGS (CHANNEL 1) |
|------------------------------------------------------------|
| Setting | JP1 |
|-------------------------------+----------------------------|
| DSR controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DSR forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DSR forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCD CONTROL SETTINGS (CHANNEL 1) |
|------------------------------------------------------------|
| Setting | JP2 |
|-------------------------------+----------------------------|
| DCD controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DCD forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DCD forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS CONTROL SETTINGS (CHANNEL 1) |
|------------------------------------------------------------|
| Setting | JP3 |
|-------------------------------+----------------------------|
| CTS controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| CTS forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| CTS forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR CONTROL SETTINGS (CHANNEL 1) |
|------------------------------------------------------------|
| Setting | JP4 |
|-------------------------------+----------------------------|
| DTR controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DTR forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DTR forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS CONTROL SETTINGS (CHANNEL 1) |
|------------------------------------------------------------|
| Setting | JP5 |
|-------------------------------+----------------------------|
| RTS controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| RTS forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| RTS forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR CONTROL SETTINGS (CHANNEL 2) |
|------------------------------------------------------------|
| Setting | JP6 |
|-------------------------------+----------------------------|
| DSR controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DSR forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DSR forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCD CONTROL SETTINGS (CHANNEL 2) |
|------------------------------------------------------------|
| Setting | JP7 |
|-------------------------------+----------------------------|
| DCD controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DCD forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DCD forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS CONTROL SETTINGS (CHANNEL 2) |
|------------------------------------------------------------|
| Setting | JP8 |
|-------------------------------+----------------------------|
| CTS controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| CTS forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| CTS forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR CONTROL SETTINGS (CHANNEL 2) |
|------------------------------------------------------------|
| Setting | JP9 |
|-------------------------------+----------------------------|
| DTR controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DTR forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DTR forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS CONTROL SETTINGS (CHANNEL 2) |
|------------------------------------------------------------|
| Setting | JP10 |
|-------------------------------+----------------------------|
| RTS controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| RTS forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| RTS forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR CONTROL SETTINGS (CHANNEL 3) |
|------------------------------------------------------------|
| Setting | JP11 |
|-------------------------------+----------------------------|
| DSR controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DSR forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DSR forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCD CONTROL SETTINGS (CHANNEL 3) |
|------------------------------------------------------------|
| Setting | JP12 |
|-------------------------------+----------------------------|
| DCD controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DCD forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DCD forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS CONTROL SETTINGS (CHANNEL 3) |
|------------------------------------------------------------|
| Setting | JP13 |
|-------------------------------+----------------------------|
| CTS controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| CTS forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| CTS forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR CONTROL SETTINGS (CHANNEL 3) |
|------------------------------------------------------------|
| Setting | JP14 |
|-------------------------------+----------------------------|
| DTR controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DTR forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DTR forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS CONTROL SETTINGS (CHANNEL 3) |
|------------------------------------------------------------|
| Setting | JP15 |
|-------------------------------+----------------------------|
| RTS controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| RTS forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| RTS forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR CONTROL SETTINGS (CHANNEL 4) |
|------------------------------------------------------------|
| Setting | JP16 |
|-------------------------------+----------------------------|
| DSR controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DSR forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DSR forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DCD CONTROL SETTINGS (CHANNEL 4) |
|------------------------------------------------------------|
| Setting | JP17 |
|-------------------------------+----------------------------|
| DCD controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DCD forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DCD forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CTS CONTROL SETTINGS (CHANNEL 4) |
|------------------------------------------------------------|
| Setting | JP18 |
|-------------------------------+----------------------------|
| CTS controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| CTS forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| CTS forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTR CONTROL SETTINGS (CHANNEL 4) |
|------------------------------------------------------------|
| Setting | JP19 |
|-------------------------------+----------------------------|
| DTR controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| DTR forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| DTR forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RTS CONTROL SETTINGS (CHANNEL 4) |
|------------------------------------------------------------|
| Setting | JP20 |
|-------------------------------+----------------------------|
| RTS controlled by driver | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| RTS forced true | Pins 2 & 3 closed |
|-------------------------------+----------------------------|
| RTS forced false | All open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOARD NUMBER SETTINGS |
|------------------------------------------------------------|
| Address | JP21 | JP22 |
|--------------------+-------------------+-------------------|
| Primary board 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| Secondary board 2 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TWO BOARD ADDRESSING |
|------------------------------------------------------------|
| Primary Board | Secondary Board |
|------------------------------+-----------------------------|
| 280-287h = Port 1A | 2A0-2A7h = Port 2A |
|------------------------------+-----------------------------|
| 288-28Fh = Port 1B | 2A8-2AFh = Port 2B |
|------------------------------+-----------------------------|
| 290-297h = Port 1C | 2B0-2B8h = Port 2C |
|------------------------------+-----------------------------|
| 298-29Fh = Port 1D | 2B8-2BFh = Port 2D |
+------------------------------------------------------------+