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KT333OP3C-WB/BI PQFP 386DX MAINBOARD

KT TECHNOLOGY PTE LTD.

KT333OP3C-WB/BI PQFP 386DX MAINBOARD

Processor

80386DX

Processor Speed

25/33/40MHz

Chip Set

VLSI

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J17

Turbo LED & turbo switch

J22

Power LED & keylock

J20

Reset switch

J23

Speaker

J21

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Normal operation

W1

Open

 

Manufacturer testing

W1

Closed

Monitor type select color

W2

pins 1 & 2 closed

 

Monitor type select monochrome

W2

pins 2 & 3 closed

Bus clock speed select 4

W3

pins 1 & 2 closed

 

Bus clock speed select 3

W3

pins 2 & 3 closed

Factory configured - do not alter

W4

N/A

CMOS memory normal operation

W5

pins 1 & 2 closed

 

CMOS memory clear

W5

pins 2 & 3 closed

NPU input clock select external oscillation for 80387

W6

pins 1 & 2 closed

 

NPU input clock select internal oscillation for 80386

W6

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

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

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

(3) 4K x 4

64KB

(4) 8K x 8

(4) 8K x 8

(3) 4K x 4

128KB

(4) 32K x 8

NONE

(3) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(3) 16K x 4

Note: The location of Bank 0 and Bank 1 are unidentified. The location of the Tag is unidentified.

CACHE JUMPER CONFIGURATION

Size

W7

W8

W9

W10

W11

W12

32KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

64KB

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

128KB

2 & 3

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3