FIRST INTERNATIONAL COMPUTER, INC.

LEO 386-25/33/40SC-2C (386-SC-HG)

Processor

80386DX

Processor Speed

25/33/40MHz

Chip Set

Symphony

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J1

Speaker

J4

Turbo switch

J2

Power LED & keylock

J5

Reset switch

J3

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select monochrome

JP1

Open

 

Monitor type select color

JP1

Closed

»

NPU mode select synchronous

JP3

pins 1 & 2 closed

 

NPU mode select asynchronous

JP3

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS0

JS1

JS2

JS3

JS4

64KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

128KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

256KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION (CON’T)

Size

JS5

JS6

JS7

JS8

JS9

64KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

128KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

256KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.