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MST 486A GENERATION STANDARD

UNIDENTIFIED

MST 486A GENERATION STANDARD

Processor

80486DX

Processor Speed

25MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

SRAM Cache

128KB

BIOS

AMI

Dimensions

330mm x 220mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Reset switch

J4

Speaker

J2

External battery

J6

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Monitor type select Color

JP1

pins 1 & 2 closed

 

Monitor type select Monochrome

JP1

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

Bank Type

1MB

(4) 256K x 9

NONE

NONE

NONE

A

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

A

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

A

4MB

NONE

NONE

NONE

(36) 411000

B

4MB

(4) 1M x 9

NONE

NONE

NONE

A

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

A

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

A

7MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(36) 411000

B

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

A

9MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

NONE

A

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(36) 411000

B

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

A

13MB

(4) 256k x 9

(4) 1M x 9

(4) 1M x 9

(36) 411000

B

16MB

(4) 1 M x 9

(4) 1M x 9

(4) 1M x 9

(36) 411000

B

Note: pins are shown in the closed position

CACHE CONFIGURATION

Size

Cache

128KB

(16) 8K x 8