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80386/80486 AT

KRIS TECHNOLOGIES

80386/80486 AT

Processor

80386DX/80486SX/80487SX/80486DX/80486DX2

Processor Speed

16/20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

UNICHIP

Max. Onboard DRAM

128MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

32-bit local bus card slot

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Speaker

J5

Turbo LED

J2

Turbo switch

JP26

Reset switch

J3

32-bit local bus card

S1

Power LED & keylock

J4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

JP2

pins 1 & 2 closed

 

CMOS memory clear

JP2

pins 2 & 3 closed

Monitor type select color

JP8

Closed

 

Monitor type select monochrome

JP8

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) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

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

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

CACHE JUMPER CONFIGURATION

Size

JP9

JP10

JP11

JP16

JP18

JP19

64KB

2 & 3

2 & 3

1 & 2

Open

Open

Open

128KB

2 & 3

1 & 2

2 & 3

Closed

Open

1 & 2

256KB

1 & 2

2 & 3

2 & 3

Closed

Closed

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATI0N

Type

JP12

JP13

JP20

JP23

JP24

JP27

JP28

80386

2 & 3

2 & 3

Open

2 & 3

2 & 3

2 & 3

2 & 3

80486

1 & 2

1 & 2

3 & 4

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP17

JP22

80486SX

pins 2 & 3 closed

Open

80487SX

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

80486DX

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

80486DX2

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION (80386)

Speed

JP32

JP33

25MHz

pins 2 & 3 closed

pins 2 & 3 closed

33MHz

pins 1 & 2 closed

pins 1 & 2 closed

40MHz

pins 1 & 2 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION (80486)

Speed

JP29

JP30

JP31

20MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

40MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

50iMHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

50MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

66iMHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

MOUSE CONFIGURATION

Setting

JP1

JP4

JP5

Not installed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Installed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed