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DYNOVA 386SX-5

PC & C RESEARCH CORPORATION

DYNOVA 386SX-5

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

Intel/VLSI

Max. Onboard DRAM

4MB

Cache

None

BIOS

AMI/Award

Dimensions

335mm x 218mm

I/O Options

Parallel port, serial ports (2), floppy drive interfaces (2), IDE interface

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Speaker

J29

Parallel port

J5

Turbo switch

J34

Serial port (COM1/3)

J6

Power LED & keylock

J35

Serial port (COM2/4)

J7

Reset switch

J36

Floppy interface drives 1 & 2

J24

Turbo LED

J37

Floppy interface drives 3 & 4

J25

IDE LED

J38

IDE interface

J26

Front panel assembly

J39

Note:The front panel assembly (J39) incorporates all the functions of J34, J35, J36, J37, and J38.

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Factory configured - do not alter

J27

Open

Factory configured - do not alter

J28

Open

CPU speed select switchable from turbo switch

J33

pins 1 & 2 closed

 

CPU speed select switchable from keyboard

J33

pins 2 & 3 closed

Parallel port (J12) enabled

SW1/5

On

 

Parallel port (J12) disabled

SW1/5

Off

Parallel port (J12) address select 378h

SW1/6

Off

 

Parallel port (J12) address select 27Fh

SW1/6

On

IDE interface enabled

SW1/9

On

 

IDE interface disabled

SW1/9

Off

Monitor type select monochrome

SW1/10

Off

 

Monitor type select color

SW1/10

On

Floppy drive interfaces (J24 & J25) enabled

SW1/11

On

 

Floppy drive interfaces (J24 & J25) disabled

SW1/11

Off

Factory configured - do not alter

SW1/12

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

4.5MB

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

NONE

NONE

8.5MB

(2) 256K x 9

(2) 4M x 9

NONE

NONE

9MB

(2) 256K x 9

(2) 256K x 9

(2) 4M x 9

NONE

10MB

(2) 1M x 9

(2) 4M x 9

NONE

NONE

12MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

16.5MB

(2) 4M x 9

(2) 4M x 9

(2) 256K x 9

NONE

17MB

(2) 256K x 9

(2) 256K x 9

(2) 4M x 9

(2) 4M x 9

18MB

(2) 4M x 9

(2) 4M x 9

(2) 1M x 9

NONE

20MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

(2) 4M x 9

24MB

(2) 4M x 9

(2) 4M x 9

(2) 4M x 9

NONE

32MB

(2) 4M x 9

(2) 4M x 9

(2) 4M x 9

(2) 4M x 9

CPU SPEED CONFIGURATION

Speed

J30

J31

J32

16MHz

Open

Open

Closed

20MHz

Open

Closed

Open

25MHz

Closed

Open

Open

PARALLEL PORT IRQ CONFIGURATION

IRQ

SW1/7

SW1/8

IRQ7

On

Off

IRQ5

Off

On

SERIAL PORT 1 CONFIGURATION

IRQ

SW1/1

SW1/2

COM1/IRQ4/3F8-3FFh

On

Off

COM3/IRQ4/3E8-3EFh

On

On

Disabled

Off

Off

SERIAL PORT 2 CONFIGURATION

IRQ

SW1/3

SW1/4

COM2/IRQ3/2FFh

On

On

COM4/IRQ3/2EFh

Off

Off

Disabled

Off

On