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401 386SX

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.