HwMuseum | Index

QUADRAM

QUADBOARD

Card Type

Multi-I/O card

Chip Set

Unidentified

Maximum Onboard Memory

384KB DRAM

I/O Options

Game port, parallel port, serial port

Data Bus

8-bit ISA

Floppy drives supported

None

CONNECTIONS

Function

Label

Function

Label

Serial port

CN1

Game port

CN3

Parallel port

CN2

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Game port enabled

SW1/1

On

 

Game port disabled

SW1/1

Off

»

Clock/calendar enabled

SW1/2

On

 

Clock/calendar disabled

SW1/2

Off

»

Parity enabled

SW1/3

On

 

Parity disabled

SW1/3

Off

»

Quadboard memory enabled

SW1/4

On

 

Quadboard memory disabled

SW1/4

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

Bank 4

Bank 5

64KB

(9) 4164K

None

None

None

None

None

128KB

(9) 4164K

(9) 4164K

None

None

None

None

192KB

(9) 4164K

(9) 4164K

(9) 4164K

None

None

None

256KB

(9) 4164K

(9) 4164K

(9) 4164K

(9) 4164K

None

None

320KB

(9) 4164K

(9) 4164K

(9) 4164K

(9) 4164K

(9) 4164K

None

384KB

(9) 4164K

(9) 4164K

(9) 4164K

(9) 4164K

(9) 4164K

(9) 4164K

DRAM SWITCH CONFIGURATION

Size

SW1/5

SW1/6

SW1/7

SW1/8

64KB

On

On

On

Off

128KB

On

On

Off

On

192KB

On

On

Off

Off

256KB

On

Off

On

On

320KB

On

Off

On

Off

384KB

On

Off

Off

On

448KB

On

Off

Off

Off

512KB

Off

On

On

On

576KB

Off

On

On

Off

640KB

Off

On

Off

On

704KB

Off

On

Off

Off

768KB

Off

Off

On

On

832KB

Off

Off

On

Off

896KB

Off

Off

Off

On

960KB

Off

Off

Off

Off

PARALLEL PORT ADDRESS SELECTION

Setting

JP1

LPT1 (378h)

Pins 1 & 2 closed

LPT2 (278h)

Pins 2 & 3 closed

SERIAL PORT ADDRESS SELECTION

Setting

JP1

COM1 (3F8h)

Pins 5 & 6 closed

COM2 (2F8h)

Pins 4 & 5 closed

SERIAL PORT INTERRUPT SELECTION

IRQ

JP1

IRQ4

Pins 7 & 8 closed

IRQ3

Pins 8 & 9 closed