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





80386SX-25/33

FOREX COMPUTER CORPORATION

80386SX-25/33

Processor

80386SX

Processor Speed

25/33MHz

Chip Set

Forex

Max. Onboard DRAM

16MB

Cache

16/64KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP2

Power LED & keylock

JP9

Turbo LED

JP7

Speaker

JP10

Reset switch

JP8

Turbo switch

JP11

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

JP3

Closed

 

Monitor type select color

JP3

Open

Factory configured - do not alter

JP12

Closed

CMOS memory normal operation

JP13

Open

 

CMOS memory clear

JP13

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

NONE

NONE

9MB

(2) 256K x 9

(2) 256K x 9

(2) 4M x 9

NONE

10MB

(2) 1M x 9

(2) 4M x 9

NONE

NONE

12MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

CACHE CONFIGURATION

Size

Bank 0

TAG (U15)

TAG (U16)

16KB

(2) 8K x 8

NONE

(1) 8K x 8

64KB

(2) 32K x 8

(1) 8K x 8

(1) 8K x 8

CACHE JUMPER CONFIGURATION

Size

JP6A

JP6B

16KB

pins 1 & 2 closed

pins 1 & 2 closed

64KB

pins 2 & 3 closed

pins 2 & 3 closed