HwMuseum | Index

UNIDENTIFIED

ACE CACHE 486

Processor

80486DX

Processor Speed

25/33/40MHz

Chip Set

C & T

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI/MR/Phoenix

Dimensions

330mm x 218

I/O Options

32-bit external memory card

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J10

External battery

JP1

Power LED & keylock

J11

32-bit external memory card

S1

Speaker

J12

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery select internal

JP2

Closed

 

Battery select external

JP2

Open

»

Monitor type select monochrome (AMI/Phoenix BIOS)

JP3

Open

 

Monitor type select color

JP3

Closed

»

Password enabled (MR BIOS)

JP3

Closed

 

Password disabled

JP3

Open

»

Factory configured - do not alter

JP9

N/A

»

Onboard DRAM enabled

JP10 & JP11

pins 1 & 2, 3 & 4 closed

 

Onboard DRAM disabled

JP10 & JP11

pins 2 & 3, 4 & 5 closed

»

Factory configured - do not alter

JP28

Open

»

Factory configured - do not alter

JP29

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

(4) 256K x 9

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

7MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

13MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

17MB

(4) 4M x 9

(4) 256K x 9

NONE

NONE

18MB

(4) 256K x 9

(4) 256K x 9

(4) 4M x 9

NONE

19MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

21MB

(4) 256K x 9

(4) 1M x 9

(4) 4M x 9

NONE

22MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 4M x 9

24MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

NONE

25MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

(4) 256K x 9

28MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

33MB

(4) 4M x 9

(4) 4M x 9

(4) 256K x 9

NONE

34MB

(4) 256K x 9

(4) 256K x 9

(4) 4M x 9

(4) 4M x 9

36MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

NONE

37MB

(4) 4M x 9

(4) 4M x 9

(4) 256K x 9

(4) 1M x 9

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

40MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

49MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 256K x 9

52MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

Note:Banks 2 and 3 are used when a 32-bit external memory card is installed at S1.

CACHE CONFIGURATION

Size

Bank 0

64KB

(8) 8K x 8

256KB

(8) 32K x 8

CACHE CONFIGURATION

Size

JP4

JP5

JP6

JP7

JP8

64KB

2 & 3

2 & 3

Open

Open

Open

256KB

1 & 2

1 & 2

Closed

Closed

Closed

Note: Pins designated should be in the closed position.