TANDON CORPORATION

QUAD SERIAL OPTION BOARD

Category

I/O

Data Bus Type

8-bit ISA

Memory Type

Unidentified

Maximum Onboard Memory

Unidentified

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