FREE COMPUTER TECHNOLOGY, INC.

80486EISA (VERSION 1.0)

Processor

80486DX

Processor Speed

25/33MHz

Chip Set

Intel

Max. Onboard DRAM

64MB

SRAM Cache

64/256KB

BIOS

Award

Dimensions

355.6mm x 304.8mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

W1

Power LED & keylock

W5

Turbo LED

W2

Speaker

W6

Turbo switch

W3

External battery

W10

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

 

Cache select 64KB

W8

W9

W11

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

»

 

Cache select 256KB

W8

W9

W11

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

SRAM CONFIGURATION

Size

Cache SRAM

64KB

(8) 8K x 8

256KB

(8) 32K x 8

DRAM SWITCH CONFIGURATION

Size

SW1/switch 1

SW1/switch 2

SW1/switch 3

SW1/switch 4

SW1/switch 5

1MB

open

open

open

open

open

2MB

closed

open

open

open

open

3MB

open

closed

open

open

open

4MB

closed

closed

open

open

open

4MB

open

open

closed

open

open

5MB

open

open

closed

closed

open

6MB

open

closed

open

closed

open

7MB

closed

open

open

closed

open

8MB

closed

open

closed

open

open

9MB

open

closed

closed

closed

open

10MB

closed

closed

open

closed

open

12MB

open

closed

closed

open

open

13MB

closed

closed

closed

closed

open

16MB

closed

closed

closed

open

open

16MB

open

open

open

open

closed

32MB

open

open

closed

open

closed

48MB

open

open

open

closed

closed

64MB

open

open

closed

closed

closed

DRAM CONFIGURATION

Size

Bank 1

Bank 2

Bank 3

Bank 4

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

7MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

13MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9