SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-406

Processor

80486SX/80487SX/80486DX

Processor Speed

25/50MHz

Chip Set

UMC

Max. Onboard DRAM

64MB

SRAM Cache

64/128/256KB

BIOS

AMI

Dimensions

220mm x 330mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Reset switch

J4

Speaker

J2

Turbo LED

J5

Turbo switch

J3

External battery

J6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

W1

closed

 

Monitor type select monochrome

W1

open

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

(1) 256K x 36

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

NONE

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

48MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

NONE

64MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

SRAM JUMPER CONFIGURATION

Size

SW1/Switches 1-4

Jumper W6

Jumper W7

Jumper W8

Jumper W9

64KB

all switches open

pins 1 & 2

pins 1 & 2

open

pins 1 & 2

128KB

1&4 closed 2&3 open

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 2 & 3

256KB

all switches closed

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

Note:Pins designated should be in the closed position.

SRAM CONFIGURATION

Size

Cache SRAM

Location

TAG (U32)

TAG (U33)

64KB

(8) 8K x 8

Banks 0 & 1

(1) 16K x 4

(1) 8K x 8

128KB

(4) 32K x 8

Bank 0

(1) 16K x 4

(1) 32K x 8

256KB

(8) 32K x 8

Banks 0 & 1

(1) 16K x 4

(1) 32K x 8

CPU TYPE CONFIGURATION

CPU

Jumper W2

Jumper W3

Jumper W4

80486DX

open

pins 1 & 2 closed

pins 1 & 2 and 3 & 4 closed

80487SX

open

pins 2 & 3 closed

pins 1 & 2 and 3 & 4 closed

80486SX

closed

open

pins 2 & 3 closed