UNIDENTIFIED

PROTECH 386 SX

Processor

80386SX

Processor Speed

16MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

8MB

Maximum Video Memory

None

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J13

Turbo LED

J17

Reset switch

J15

Speaker

J18

Turbo switch

J16

Power LED & keylock

J19

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Monitor type select color

JP3

Closed

 

Monitor type select monochrome

JP3

Open

 

80287 clock input select CLK/3

JP10

Closed

 

80287 clock input select CLK = CLK

JP10

Open

 

BIOS type select 27256

JP11

Pins 1 & 2 closed

 

BIOS type select 27512

JP11

Pins 2 & 3 closed

 

Turbo enabled when keyboard BIOS is set at pin 30

JP20

Pins 1 & 2 closed

 

Turbo enabled when keyboard BIOS is set at pin 24

JP20

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 0A

Bank 1

Bank 1A

Bank 2

Bank 3

512KB (A)

(16) 41256

None

None

None

None

None

512KB (B)

None

(4) 44256

None

None

None

None

512KB (C)

None

None

None

None

(2) 256K x 9

None

1MB (A)

None

(4) 44256

None

(4) 44256

None

None

1MB (B)

(16) 41256

None

(16) 41256

None

None

None

1MB (C)

None

None

None

None

(2) 256K x 9

(2) 256K x 9

1.5MB

(16) 41256

None

None

None

(2) 256K x 9

None

2MB (A)

(16) 411000

None

None

None

None

None

2MB (B)

(16) 41256

None

(16) 41256

None

(2) 256K x 9

(2) 256K x 9

2MB (C)

None

None

None

None

(2) 1M x 9

None

3MB

(16) 41256

None

(16) 41256

None

(2) 1M x 9

None

4MB (A)

(16) 411000

None

(16) 411000

None

None

None

4MB (B)

None

None

None

None

(2) 1M x 9

(2) 1M x 9

5MB

(16) 41256

None

(16) 41256

None

(2) 1M x 9

(2) 1M x 9

6MB

(16) 411000

None

(16) 411000

None

(2) 1M x 9

None

8MB

(16) 411000

None

(16) 411000

None

(2) 1M x 9

(2) 1M x 9

DRAM PARITY CONFIGURATION

Size

P 0

P 1

512KB (A)

(2) 41256

None

512KB (B)

(2) 41256

None

512KB (C)

None

None

1MB (A)

(2) 41256

(2) 41256

1MB (B)

(2) 41256

(2) 41256

1MB (C)

None

None

1.5MB

(2) 41256

None

2MB (A)

(2) 411000

None

2MB (B)

(2) 41256

(2) 41256

2MB (C)

None

None

3MB

(2) 41256

(2) 41256

4MB (A)

(2) 411000

(2) 411000

4MB (B)

None

None

5MB

(2) 41256

(2) 41256

6MB

(2) 411000

(2) 411000

8MB

(2) 411000

(2) 411000

DRAM JUMPER CONFIGURATION

Size

JP14

JP15

JP16

JP17

JP18

JP19

512KB (A)

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

512KB (B)

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

512KB (C)

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1MB (A)

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1MB (B)

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1MB (C)

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1.5MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2MB (A)

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2MB (B)

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2MB (C)

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

3MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

4MB (A)

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

4MB (B)

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

5MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

6MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

8MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

KEYBOARD BIOS SELECTION

Type

JP1

JP2

CLK input = CLKP 9/4

Pins 1 & 2 closed

Pins 1 & 2 closed

CLK input = PCLK

Pins 2 & 3 closed

Pins 2 & 3 closed