HwMuseum | Index

UNIDENTIFIED

401 386SX

Processor

80386SX

Processor Speed

16MHz

Chip Set

VLSI

Max. Onboard DRAM

8MB

Cache

None

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

JP1

Turbo switch

JP15

Speaker

JP2

External battery

JP18

Reset switch

JP3 or JP17

Turbo LED

JP20

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

NPU mode select synchronous with CPU

JP4

Open

 

NPU mode select synchronous with oscillator installed at X1

JP4

Closed

»

Factory configured - do not alter

JP5

N/A

»

Factory configured - do not alter

JP8

pins 2 & 3 closed

»

Factory configured - do not alter

JP9

N/A

»

Monitor type select color

JP10

pins 1 & 2 closed

 

Monitor type select monochrome

JP10

pins 2 & 3 closed

»

Factory configured - do not alter

JP11

Open

»

Factory configured - do not alter

JP12

Open

»

Factory configured - do not alter

JP13

Closed

»

Factory configured - do not alter

JP14

Open

»

BIOS type select 27256

JP16

pins 2 & 3 closed

 

BIOS type select 27512

JP16

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(18) 41256

NONE

NONE

NONE

512KB

NONE

NONE

(2) 256K x 9

NONE

1MB

(18) 41256

(18) 41256

NONE

NONE

1MB

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

(18) 411000

NONE

NONE

NONE

2MB

NONE

NONE

(2) 1M x 9

NONE

4MB

(18) 411000

(18) 411000

NONE

NONE

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

5MB

(18) 411000

(18) 411000

(2) 256K x 9

(2) 256K x 9

6MB

(18) 411000

(18) 411000

(2) 1M x 9

NONE

8MB

(18) 411000

(18) 411000

(2) 1M x 9

(2) 1M x 9

DRAM JUMPER CONFIGURATION

DRAM mode

Max. Pages

Wait States

DRAM speed

JP6

JP7

F4

4

0 or 1

80ns

2 & 3

2 & 3

F1

1

0 or 1

100ns

1 & 2

2 & 3

W01

4

1 or 2

100ns

2 & 3

1 & 2

W02

4

2 or 3

120ns

1 & 2

1 & 2

Note: Pins designated should be in the closed position.