MYLEX CORPORATION

MAE486

Processor

80486DX

Processor Speed

25/33MHz

Chip Set

Intel

Max. Onboard DRAM

32MB

Cache

128KB

BIOS

Mylex/Phoenix

Dimensions

355mm x 304mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

P11

Turbo LED

P13

Power LED & keylock

P12

Reset switch

P14

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Cache enabled

J1

Closed

 

Cache disabled

J1

Open

»

CPU speed select 33MHz

J2

pins 1 & 2 closed

 

CPU speed select 25MHz

J2

pins 2 & 3 closed

»

Factory configured - do not alter

J15

pins 2 & 3 closed

»

Factory configured - do not alter

J16

pins 2 & 3 closed

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

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

32MB

(4) 4M x 9

(4) 4M x 9

DRAM JUMPER CONFIGURATION

Size

J3

J4

J5

J6

J7

J8

J9

J10

J11

J12

1MB

Open

Open

Open

Open

Open

2 & 3

Open

1 & 2

1 & 2

1 & 2

2MB

Closed

Closed

Closed

Closed

Open

1 & 2

Open

1 & 2

1 & 2

2 & 3

4MB

Open

Open

Open

Open

Open

1 & 2

2 & 3

1 & 2

1 & 2

2 & 3

8MB

Closed

Closed

Closed

Closed

Open

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

16MB

Open

Open

Open

Open

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

32MB

Closed

Closed

Closed

Closed

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

Note:Pins designated should be in the closed position.

CACHE CONFIGURATION

Size

Bank 0

128KB

(16) 8K x 8