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OPTI-25

WINCAL TECHNOLOGY CORPORATION

OPTI-25

Processor

80386DX

Processor Speed

25MHz

Chip Set

OPTI

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

CR4

32-bit external memory card

S1

External battery

J10

Reset switch

SW1

Speaker

J22

Turbo switch

SW2

Power LED & keylock

J23

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP1

pins 1 & 2 closed

 

Monitor type select monochrome

JP1

pins 2 & 3 closed

CMOS normal operation

JP5

Closed

 

CMOS memory clear

JP5

Open

Note:JP5 should be left open for approximately 10 minutes when clearing CMOS memory.

JP5 only appears on version 2.5 board.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

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) 1M x 9

(4) 256K x 9

NONE

NONE

6MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

NONE

7MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

NONE

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

13MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

Note:Banks 2 & 3 are utilized when a 32-bit external memory card is installed at S1.