AMPTROM INTERNATIONAL, INC.

DX-9000

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

25/33/40/50(internal)/50/66(internal)/MHz

Chip Set

Hint

Max. Onboard DRAM

128MB

Cache

256/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (8)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

JP1

Power LED & keylock

JP5

Turbo LED

JP3

Speaker

JP6

Turbo switch

JP4

32-bit VESA Local bus slots

S1 - S8

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP17

pins 1 & 2 closed

 

CMOS memory clear

JP17

Open

»

Factory configured - do not alter

JP19

pins 1 & 2 closed

»

Factory configured - do not alter

JP21

pins 2 & 3 closed

»

Non P9000 graphics card installed

JP22

pins 1 & 2 closed

 

P9000 graphics card installed

JP22

pins 2 & 3 closed

»

Factory configured - do not alter

JP23

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

68MB

(4) 1M x 9

(4) 16M x 9

68MB

(4) 16M x 9

(4) 1M x 9

80MB

(4) 16M x 9

(4) 4M x 9

80MB

(4) 4M x 9

(4) 16M x 9

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP9

JP10

256KB

Open

pins 1 & 2 closed

Open

1MB

Closed

pins 2 & 3 closed

Open

CPU TYPE CONFIGURATION

Type

JP11

JP12

80486SX

pins 2 & 3 closed

Open

80487SX

pins 1, 2, 3 & 4 closed

pins 2 & 3 closed

80486DX/DX2

pins 1, 2, 3 & 4 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

SW1/1

SW1/2

SW1/3

25MHz

Off

Off

On

33MHz

On

Off

Off

40MHz

On

On

Off

50iMHz

Off

Off

On

50MHz

Off

On

Off

66iMHz

On

Off

Off

VESA WAIT STATE/BUS SPEED CONFIGURATION

CPU speed

Wait states

JP13 (ID3)

JP14 (ID2)

JP15

< 33MHz

0 wait states

Open

Open

pins 1 & 2 closed

> 33MHz

1 wait state

Closed

Closed

pins 2 & 3 closed