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386C

DEICO ELECTRONICS, INC.

386C

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

Unidentified

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2)

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Power LED & keylock

J22

Parallel port

J3

Speaker

J23

Serial port 2

J5

Turbo LED

J24 (pins 1 & 2)

Serial port 1

J6

Turbo switch

J24 (pins 3 & 4)

Floppy drive interface

J7

Reset switch

J25

IDE interface

J8

IDE interface LED

J26

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Floppy drive interface enabled

W9

pins 1 & 2 closed

 

Floppy drive interface disabled

W9

pins 2 & 3 closed

IDE interface enabled

W10

pins 1 & 2 closed

 

IDE interface disabled

W10

pins 2 & 3 closed

Factory configured - do not alter

W11

Open

Monitor type select color

W12

pins 1 & 2 closed

 

Monitor type select monochrome

W12

pins 2 & 3 closed

Battery type select internal

W14

pins 1 & 2 closed

 

Battery type select external

W14

pins 2 & 3 closed

CMOS memory normal operation

W15

pins 1 & 2 closed

 

CMOS memory clear

W15

pins 2 & 3 closed

NPU synchronous with CPU

W16

pins 2 & 3 closed

 

NPU asynchronous with CPU

W16

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

32KB

(4) 8K x 8

NONE

64KB

(4) 8K x 8

(4) 8K x 8

128KB

(4) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W17

W18

W19

W20

W21

W22

32KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

64KB

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

128KB

2 & 3

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

CPU speed

Bus speed

W13

33/40MHz

8/10MHz

pins 1 & 2 closed

33/40MHz

11/13MHz

pins 2 & 3 closed

PARALLEL PORT/IRQ CONFIGURATION

Port

IRQ

W1

W4

LPT1

IRQ7

pins 1 & 2 closed

pins 1 & 2 closed

LPT2

IRQ5

pins 2 & 3 closed

pins 2 & 3 closed

Disabled

Disabled

pins 3 & 4 closed

pins 3 & 4 closed

SERIAL PORT CONFIGURATION

Serial port

COM port

W2

W3

Port 1

COM1

pins 1 & 2 closed

N/A

Port 1

COM3

pins 2 & 3 closed

N/A

Port 2

COM2

N/A

pins 1 & 2 closed

Port 2

COM4

N/A

pins 2 & 3 closed

Disabled

Disabled

pins 3 & 4 closed

pins 3 & 4 closed

SERIAL PORT IRQ3 CONFIGURATION

Serial port

IRQ

W5

Port 1

IRQ3

pins 2 & 3 closed

Port 2

IRQ3

pins 1 & 2 closed

Disabled

Disabled

pins 3 & 4 closed

SERIAL PORT IRQ4 CONFIGURATION

Serial port

IRQ

W6

Port 1

IRQ4

pins 2 & 3 closed

Port 2

IRQ4

pins 1 & 2 closed

Disabled

Disabled

pins 3 & 4 closed

SERIAL PORT IRQ5 CONFIGURATION

Serial port

IRQ

W7

Port 1

IRQ5

pins 2 & 3 closed

Port 2

IRQ5

pins 1 & 2 closed

Disabled

Disabled

pins 3 & 4 closed

SERIAL PORT IRQ9 CONFIGURATION

Serial port

IRQ

W8

Port 1

IRQ9

pins 2 & 3 closed

Port 2

IRQ9

pins 1 & 2 closed

Disabled

Disabled

pins 3 & 4 closed