MICROMATION TECHNOLOGY, INC.

486-WBH

Processor

80486SX/80487SX/80486DX

Processor Speed

20/25/33/50MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

SRAM Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo LED

JP11

Speaker

J17

Reset switch

SW1

Power LED & keylock

J18

Turbo switch

SW2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP1

pins 2 & 3 closed

 

CMOS memory clear

JP1

pins 1 & 2 closed

»

Monitor type select color

JP2

closed

 

Monitor type select monochrome

JP2

open

»

CPU speed select OSCi/1

JP12

pins 2 & 3 closed

 

CPU speed select OSCi/2

JP12

pins 1 & 2 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

32MB

(4) 4M x 9

(4) 4M x 9

SRAM 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

Note:This configuration is unverified. Location of Cache is unknown.

SRAM JUMPER CONFIGURATION

Size

Jumper JP3

Jumper JP4

Jumper JP6

Jumper JP7

64KB

pins 2 & 3 closed

open

open

open

128KB

pins 1 & 2 closed

closed

closed

open

256KB

pins 2 & 3 closed

closed

closed

closed

CPU TYPE CONFIGURATION

CPU Type

Jumper JP8

Jumper JP9

Jumper JP10

80486DX

pins 1 & 2 closed

closed

pins 2 & 3 closed

80487SX

pins 1 & 2 closed

closed

pins 1 & 2 closed

80486SX

pins 2 & 3 closed

open

open