...because we can't all be on the bleeding edge...





486 CONTAQ CACHE

L & K MICRO SUPPLY, INC.

486 CONTAQ CACHE

Processor

80486SX/80487SX/80486DX

Processor Speed

16/20/25/33/40/50MHz

Chip Set

CONTAQ

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J3

Turbo switch

JP18

External battery

J7

Turbo LED

JP20

Power LED & keylock

J8

Reset switch

JP21

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

NPU read cycle select 0 wait states

JP5

pins 1 & 2 closed

 

NPU read cycle select 1 wait state

JP5

pins 2 & 3 closed

CMOS memory normal operation

JP24

pins 2 & 3 closed

 

CMOS memory clear

JP24

pins 1 & 2 closed

Monitor type select monochrome

JP25

pins 1 & 2 closed

 

Monitor type select color

JP25

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 3

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

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

Location

Dirty Bit

Location

64KB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

U14 & U15

(1) 16K x 4

U16

64KB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

U14 & U15

(1) 16K x 1

U18

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

NU1

(1) 16K x 4

U16

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

NU1

(1) 16K x 1

U18

256KB

(4) 32K x 8

(4) 32K x 8

(2) 16K x 4

U14 & U15

(1) 16K x 4

U16

256KB

(4) 32K x 8

(4) 32K x 8

(2) 16K x 4

U14 & U15

(1) 16K x 1

U18

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

NU1

(1) 16K x 4

U16

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

NU1

(1) 16K x 1

U18

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP9

JP10

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP1

JP2

JP3

JP4

80486SX

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 3 closed

80487SX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

80486DX

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

Crystal at OSC1

JP6

JP11

JP12

16MHz

32MHz

pins 5 & 6 closed

pins 2 & 3 closed

pins 2 & 3 closed

20MHz

40MHz

pins 5 & 6 closed

pins 2 & 3 closed

pins 2 & 3 closed

25MHz

25MHz

pins 3 & 4 closed

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

33MHz

pins 3 & 4 closed

pins 2 & 3 closed

pins 1 & 2 closed

40MHz

40MHz

pins 3 & 4 closed

pins 2 & 3 closed

pins 2 & 3 closed

50MHz

50MHz

pins 3 & 4 closed

pins 1 & 2 closed

pins 1 & 2 closed