CONNECT TECH INC.

INTELLICON-8

Card Type

Serial card

Chipset Controller

Zilog Z80B

I/O Options

Serial port(8)

Maximum SRAM

64KB

CONNECTIONS

Purpose

Location

62-pin serial port connector

CN1

BASE I/O ADDRESS SELECTION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

»

300h

Off

Off

On

On

On

On

On

On

 

100h

On

Off

On

On

On

On

On

On

 

104h

On

Off

On

On

On

On

On

Off

 

108h

On

Off

On

On

On

On

Off

On

 

10Ch

On

Off

On

On

On

On

Off

Off

 

110h

On

Off

On

On

On

Off

On

On

 

3ECh

Off

Off

Off

Off

Off

On

Off

Off

 

3F0h

Off

Off

Off

Off

Off

Off

On

On

 

3F4h

Off

Off

Off

Off

Off

Off

On

Off

 

3F8h

Off

Off

Off

Off

Off

Off

Off

On

 

3FCh

Off

Off

Off

Off

Off

Off

Off

Off

Note: A total of 255 base address settings are available. The jumpers are a binary representation of the decimal memory addresses. Switch SW1/1 is the Most Significant Bit and switch SW1/8 is the Least Significant Bit. The switches have the following decimal values: switch SW1/1=512, SW1/2=256, SW1/3=128, SW1/4=64, SW1/5=32, SW1/6=16, SW1/7=8, SW1/8=4. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)

MEMORY BASE ADDRESS SELECTION

Address

SW2/1

SW2/2

SW2/3

SW2/4

»

D0000h - DFFFFh

Off

Off

On

Off

 

A0000h - AFFFFh

Off

On

Off

On

 

B0000h - BFFFFh

Off

On

Off

Off

 

C0000h - CFFFFh

Off

Off

On

On

 

E0000h - EFFFFh

Off

Off

Off

On

INTERRUPT SELECTION

IRQ

J1/A

J1/B

J1/C

J1/D

J1/E

J1/F

»

3

Closed

Open

Open

Open

Open

Open

 

2/9

Open

Open

Open

Open

Open

Closed

 

4

Open

Closed

Open

Open

Open

Open

 

5

Open

Open

Closed

Open

Open

Open

 

6

Open

Open

Open

Closed

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

 

10

Open

Open

Open

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

 

12

Open

Open

Open

Open

Open

Open

 

14

Open

Open

Open

Open

Open

Open

 

15

Open

Open

Open

Open

Open

Open

INTERRUPT SELECTION (CON’T)

IRQ

J2/A

J2/B

J2/C

J2/D

J2/E

»

3

Open

Open

Open

Open

Open

 

2/9

Open

Open

Open

Open

Open

 

4

Open

Open

Open

Open

Open

 

5

Open

Open

Open

Open

Open

 

6

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Closed

 

11

Open

Open

Open

Closed

Open

 

12

Open

Open

Closed

Open

Open

 

14

Open

Closed

Open

Open

Open

 

15

Closed

Open

Open

Open

Open

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Red

On

Z80 is halted

LED1

Red

Off

Z80 is not halted

LED2

Yellow

On

Signal selected by J3 - J7 active

LED2

Yellow

Off

Signal selected by J3 - J7 inactive

DIAGNOSTIC SIGNAL SELECTION

Signal

J3

J4

J5

J6

J7

NMI - interrupt from PC to Z80

Closed

Open

Open

Open

Open

Zreset - interrupt to Z80 processor

Open

Closed

Open

Open

Open

PCIRQ - interrupt from Z80 to PC

Open

Open

Closed

Open

Open

Enable - memory enabled

Open

Open

Open

Closed

Open

Intenb - interrupt enabled

Open

Open

Open

Open

Closed

Note: Do not install more than one IRQ at any one time.