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JAM-4001

JATON CORPORATION

JAM-4001

Processor

80486SX/80487SX/80486DX

Processor Speed

33/40/50MHz

Chip Set

UMC

Max. Onboard DRAM

Model 1: 10MB

Model 2: 40MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo switch

J4

Speaker

J2

Turbo LED

J5

Reset switch

J3

External battery

J8

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

J7

Closed

 

Monitor type select monochrome

J7

Open

Battery type select internal

J8

pins 1 & 2 closed

 

Battery type select external

J8

Closed

DRAM CONFIGURATION (MODEL 1)

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(8) 44256

NONE

NONE

NONE

2MB

(8) 44256

(4) 256K x 9

NONE

NONE

3MB

(8) 44256

(4) 256K x 9

(4) 256K x 9

NONE

4MB

(8) 44256

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

5MB

(8) 44256

(4) 1M x 9

NONE

NONE

6MB

(8) 44256

(4) 256K x 9

(4) 1M x 9

NONE

9MB

(8) 44256

(4) 1M x 9

(4) 1M x 9

NONE

10MB

(8) 44256

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

Note:Bank 0 is factory installed and is not configurable.

DRAM CONFIGURATION (MODEL 2)

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(8) 441000

NONE

NONE

NONE

8MB

(8) 441000

(4) 1M x 9

NONE

NONE

12MB

(8) 441000

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(8) 441000

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

20MB

(8) 441000

(4) 4M x 9

NONE

NONE

24MB

(8) 441000

(4) 1M x 9

(4) 4M x 9

NONE

36MB

(8) 441000

(4) 4M x 9

(4) 4M x 9

NONE

40MB

(8) 441000

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

Note:Bank 0 is factory installed and is not configurable.

CACHE CONFIGURATION

Size

Bank A

Bank B

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(3) 16K x 4

128KB

(4) 32K x 8

NONE

(3) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(3) 16K x 4

CACHE JUMPER CONFIGURATION

Size

S1

S2

S3

S4

S5

64KB

1 & 2

1 & 2

1 & 2

Open

1 & 2

128KB

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

256KB

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

W4

W5

W6

W10

W11

80486SX

1 & 2

1 & 2

1 & 2

Closed

Open

80487SX

Open

Open

2 & 3

Open

Closed

80486DX

1 & 2

2 & 3

1 & 2

Closed

Open

Note: Pins designated should be in the closed position.