SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-403H

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

240mm x 220mm

I/O Options

None

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

CN1

Speaker

CN4

Turbo LED

CN2

Turbo switch

CN5

Power LED & keylock

CN3

Reset switch

CN6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery type select internal

CN1

pins 2 & 3 closed

 

Batter type select external

CN1

Closed

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

»

CPU speed select iOSC/2 (See CPU SPEED table below)

JP2

pins 2 & 3 closed

 

CPU speed select iOSC/1 (See CPU SPEED table below)

JP2

pins 1 & 2 closed

»

Bus speed select ATCLK/6

JP6

Closed

 

Bus speed select ATCLK/4

JP6

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) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE 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) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP3

JP4

JP5

JP7

64KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

128KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JPA

JPB

JPC

80486SX

Open

pins 1 & 2 closed

Open

80487SX

Closed

pins 2 & 3 closed

pins 2 & 3 closed

80486DX

Closed

pins 2 & 3 closed

pins 1 & 2 closed

80486DX2

Closed

pins 2 & 3 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP2

JP9

JP10

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

50iMHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

50MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

66iMHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed