HwMuseum | Index

AMERICAN MEGATRENDS, INC.

JE 3025A/33A

Processor

80386SX

Processor Speed

25/33MHz

Chip Set

Unknown

Max. Onboard DRAM

32MB

SRAM Cache

64KB (Factory configured)

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot, CPU expansion card slot

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo switch

J8

Turbo LED

J5

Reset switch

J14

Speaker

J6

32-bit external memory card

S1

Power LED & keylock

J7

CPU expansion card

S2

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

 

DRAM address sequence select bank 0, then bank 1

J3

pins 1 & 2 closed

pins 3 & 4 closed

 

DRAM address sequence select bank 1, then bank 0

J3

pins 2 & 3 closed

pins 4 & 5 closed

»

Factory configured - do not alter

SW1/switch 1

open

»

Monitor type select color

SW1/switch 2

closed

 

Monitor type select monochrome

SW1/switch 2

open

 

Note: The cache memory is factory installed, and is not alterable.

The size and location of the Cache and TAG chips are unknown.

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) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9