...because we can't all be on the bleeding edge...





80486VISA

FREE COMPUTER TECHNOLOGY, INC.

80486VISA

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

20/25/33/50(internal)/50/66(internal)MHz

Chip Set

SIS

Max. Onboard DRAM

32MB

SRAM Cache

64/128/256KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP1

Speaker

JP17

Reset switch

JP14

Power LED & keylock

JP18

Turbo switch

JP15

32-bit VESA local bus slots (2)

S1 & S2

Turbo LED

JP16

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

JP2

Closed

 

Monitor type select color

JP2

Open

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) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

SRAM CONFIGURATION

Size

Cache

Location

TAG

64KB

(8) 8K x 8

Banks 0 & 1

(1) 8K x 8

128KB

(4) 32K x 8

Bank 0

(1) 8K x 8

256KB

(8) 32K x 8

Banks 0 & 1

(1) 32K x 8

SRAM JUMPER CONFIGURATION

Size

JP12

JP13

64KB

Open

Open

128KB

Closed

pins 1 & 2 closed

256KB

Closed

pins 2 & 3 closed

CPU JUMPER CONFIGURATION

CPU

JP9

JP10

80486DX2

pins 1 & 2 and 3 & 4 closed

pins 1 & 2 closed

80486DX

pins 1 & 2 and 3 & 4 closed

pins 1 & 2 closed

ODP486SX

pins 1 & 2 and 3 & 4 closed

pins 2 & 3 closed

80487SX

pins 1 & 2 and 3 & 4 closed

pins 2 & 3 closed

80486SX

pins 2 & 3 closed

Open

CPU SPEED JUMPER CONFIGURATION

Speed

JP6

JP7

JP11

20MHz

Closed

Closed

pins 1 & 2 closed

25/50i MHz

Open

Closed

pins 1 & 2 closed

33/66i MHz

Closed

Open

pins 1 & 2 closed

40MHz

Closed

Closed

pins 2 & 3 closed

50MHz

Open

Closed

pins 2 & 3 closed