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NEAT-386SX

UNIDENTIFIED

NEAT-386SX

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

C & T Neat

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI/Phoenix

Dimensions

330.2mm x 218.4mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

J1

Keylock

J5

Power LED

J2

Speaker

J6

Reset switch

J3

External battery

J17

Turbo LED

J4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

J7

pins 2 & 3 closed

 

Monitor type select monochrome

J7

pins 1 & 2 closed

Battery select internal

J17

pins 1 & 2 closed

 

Battery select external

J17

connected

DRAM CONFIGURATION

Size

Bank 0(DIP)

Bank 1 (DIP)

Bank 2 (SIPP)

Bank 3 (SIPP)

512KB

(18) 41256

NONE

NONE

NONE

512KB

NONE

NONE

(2) 256K x 9

NONE

640KB

(18) 41256

(18) 4164

NONE

NONE

1MB

(18) 41256

(18) 41256

NONE

NONE

1MB

NONE

NONE

(2) 256K x 9

(2) 256K x 9

1.5MB

(18) 41256

(18) 41256

(2) 256K x 9

NONE

2MB

(18) 411000

NONE

NONE

NONE

2MB

NONE

NONE

(2) 1M x 9

NONE

2MB

(18) 41256

(18) 41256

(2) 256K x 9

(2) 256K x 9

4MB

(18) 411000

(18) 411000

NONE

NONE

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

4.5MB

(18) 411000

(18) 411000

(2) 256K x 9

NONE

5MB

(18) 411000

(18) 411000

(2) 256K x 9

(2) 256K x 9

5MB

(18) 41256

(18) 41256

(2) 1M x 9

(2) 1M 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

 

 

Size

BS1

pins 1 & 2

pins 4 & 5

pins 7 & 8

BS1

pins 2 & 3

pins 5 & 6

pins 8 & 9

BS2

pins 1 & 2

pins 4 & 5

pins 7 & 8

BS2

pins 2 & 3

pins 5 & 6

pins 8 & 9

512KB

closed

open

closed

open

512KB 1

open

closed

open

closed

640KB

closed

open

closed

open

1MB

closed

open

closed

open

1MB 1

open

closed

open

closed

1.5MB

closed

open

closed

open

2MB

closed

open

closed

open

2MB 1

open

closed

open

closed

4MB

closed

open

closed

open

4MB 1

open

closed

open

closed

4.5MB

closed

open

closed

open

5MB

closed

open

closed

open

6MB

closed

open

closed

open

8MB

closed

open

closed

open

Note 1 :Use this setting when banks 0 and 1 are empty.