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PC-02

COLORADO MEMORY SYSTEMS, INC.

PC-02

Card Type

Tape drive controller

Chipset/Controller

Unidentified

I/O Options

Tape drive connector (internal/external)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Tape drive connector - internal

CN1

Tape drive connector - external

CN2

INTERRUPT SELECT - JP1

IRQ

Jumper A

Jumper B

Jumper C

Jumper D

Jumper E

Jumper F

IRQ3

Open

Closed

Open

Open

Open

Open

 

IRQ2

Closed

Open

Open

Open

Open

Open

 

IRQ4

Open

Open

Closed

Open

Open

Open

 

IRQ5

Open

Open

Open

Closed

Open

Open

 

IRQ6

Open

Open

Open

Open

Closed

Open

 

IRQ7

Open

Open

Open

Open

Open

Closed

DMA SELECT

 

JP2

JP3

 

DMA

Jumper A

Jumper B

Jumper C

Jumper D

Jumper E

Jumper F

DMA1

Closed

Open

Open

Closed

Open

Open

 

DMA2

Open

Closed

Open

Open

Closed

Open

 

DMA3

Open

Open

Closed

Open

Open

Closed

I/O ADDRESS CONFIGURATION

Base Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

300h

On

On

On

On

On

On

Off

Off

 

3C8h

On

Off

On

On

Off

Off

Off

Off

Note:The address range for the PC-02 is from 0 to 3FCh. The switches are a binary representation of the addresses, increasing in weight from left to right. When a switch is off, the corresponding bit is set to 1 and has the following decimal value: SW1/1=4, SW1/2=8, SW1/3=1, SW1/4=2, SW1/5=4, SW1/6=8, SW1/7=1, SW1/8=2.