PC CHIPS

M321

Processor

80386DX

Processor Speed

25/33/40MHz

Chip Set

PC CHIPS

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

250mm x 220mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo switch

J12

Reset switch

J10

Power LED & keylock

J13

Turbo LED

J11

Speaker

J14


USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

J2

Closed

 

Monitor type select monochrome

J2

Open


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) 256K x 9

(4) 1 M 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


CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

32KB

(4) 8K x 8

NONE

(1) 8K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

Note:Installing a 16K x 4 SRAM chip in U32 will enable write-back mode.


CACHE JUMPER CONFIGURATION

Size

J3

J5

J6

J7

J8

J9

32KB

Open

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

64KB

Open

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

128KB

Closed

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

256KB

Closed

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.