BEK-TRONIC TECHNOLOGY, INC.

BEK-V429S

Processor

80486SX/SL80486SX/CX486DX/AM486DX/80486DX/SL80486DX/ CX486DX2/AM486DX2/SL80486DX2/80486DX2/CX486DX4/ CX486DX4/(SL)AM486DX4/SL80486DX4/P24D/P24T/CX5X86

Processor Speed

25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)MHz

Chip Set

OPTI

Video Chip Set

None

Maximum Onboard Memory

64MB

Maximum Video Memory

None

Cache

64/128/256/512KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Speaker

JP38

Power LED & keylock

J22

Green PC connector (monitor)

JP39

Green PC connector

JP6

Green PC LED

JP41

Turbo LED

JP34

Reset switch

S1

Turbo switch

JP36

32-bit VESA local bus slots

SL1 – SL3

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

»

CMOS memory normal operation

JP2

Pins 2 & 3 closed

 

CMOS memory clear

JP2

Pins 1 & 2 closed

 

Battery type select external

JP2

Open

»

Factory configured - do not alter

JP7

Closed

»

Factory configured - do not alter

JP30

Unidentified

»

Factory configured - do not alter

JP31

Pins 2 & 3 closed

 

LRDY wait state select 0 wait states

JP33

Pins 2 & 3 closed

 

LRDY wait state select 1 wait state

JP33

Pins 1 & 2 closed

DRAM CONFIGURATION 1

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

None

None

None

2MB

(4) 256K x 9

(1) 256K x 36

None

None

4MB

(4) 1M x 9

None

None

None

4MB

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

5MB

(4) 256K x 9

(1) 1M x 36

None

None

6MB

(4) 256K x 9

(1) 256K x 36

(1) 1M x 36

None

8MB

(4) 1M x 9

(1) 1M x 36

None

None

8MB

(4) 1M x 9

None

(1) 1M x 36

None

10MB

(4) 256K x 9

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(4) 1M x 9

None

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

None

None

None

16MB

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

17MB

(4) 256K x 9

(1) 4M x 36

None

None

20MB

(4) 1M x 9

(1) 4M x 36

None

None

20MB

(4) 1M x 9

None

(1) 4M x 36

None

32MB

(4) 4M x 9

(1) 4M x 36

None

None

64MB

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

DRAM CONFIGURATION 2

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

None

(1) 256K x 36

None

None

4MB

None

(1) 1M x 36

None

None

8MB

None

(1) 1M x 36

(1) 1M x 36

None

12MB

None

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

None

(1) 4M x 36

None

None

20MB

None

(1) 1M x 36

(1) 4M x 36

None

32MB

None

(1) 4M x 36

(1) 4M x 36

None

DRAM JUMPER CONFIGURATION

Configuration

JP5

1

Pins 2 & 3 closed

2

Pins 1 & 2 closed

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 (A)

(4) 32K x 8

(4) 32K x 8

(1) 16K/32K x 8

256KB (B)

(2) 64K x 32

None

(1) 16K/32K x 8

512KB

(4) 128K x 8

None

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP8

JP27

JP28

JP43

64KB

Pins 2 & 3 closed

Open

Open

Open

128KB

Pins 1 & 2 closed

Closed

Open

Open

256KB (A)

Pins 2 & 3 closed

Closed

Closed

Open

256KB (B)

Pins 1 & 2 closed

Closed

Closed

Open

512KB

Pins 1 & 2 closed

Closed

Closed

Closed

CACHE TAG CONFIGURATION

Size

JP44

(1) 8K x 8

Pins 1 & 2 closed

(1) 16K x 8

Pins 2 & 3 closed

(1) 32K x 8

Pins 1 & 2 closed

CPU TYPE SELECTION

Type

JP9

JP10

JP11

JP12

80486SX-25

Open

Closed

1 & 2

Open

80486SX-33

Open

Closed

1 & 2

Open

SL80486SX-25

Open

Closed

1 & 2

1 & 2

SL80486SX-33

Open

Closed

1 & 2

1 & 2

SL8046SX2-50

Open

Closed

1 & 2

1 & 2

CX486DX-33

Closed

Open

2 & 3

2 & 3

CX486DX-40

Closed

Open

2 & 3

2 & 3

AM486DX-33

Open

Open

1 & 2

Open

AM486DX-40

Open

Open

1 & 2

Open

80486DX-33

Open

Open

1 & 2

Open

SL80486DX-33

Open

Closed

1 & 2

1 & 2

CX486DX2-50

Closed

Open

2 & 3

2 & 3

CX486DX2-66

Closed

Open

2 & 3

2 & 3

AM486DX2-66NV8T

Open

Open

1 & 2

Open

AM486DX2-80NV8T

Open

Open

1 & 2

Open

AM486DX2-66NV8T

Open

Open

1 & 2

Open

SL80486DX2-50

Open

Closed

1 & 2

1 & 2

80486DX2-66

Open

Closed

1 & 2

Open

SL80486DX2-66

Open

Closed

1 & 2

1 & 2

CX486DX2-80

Closed

Open

2 & 3

2 & 3

CX486DX4-100

Closed

Open

2 & 3

2 & 3

(SL)AM486DX4-100

Open

Closed

1 & 2

1 & 2

(SL)AM486DX4-120

Open

Closed

1 & 2

1 & 2

SL80486DX4-75

Open

Closed

1 & 2

1 & 2

SL80486DX4-100

Open

Closed

1 & 2

1 & 2

P24D

Open

Closed

2 & 3

1 & 2

P24T

Open

Closed

2 & 3

1 & 2

CX5X86-100

Open

Closed

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP13

JP15

JP17

JP18

80486SX-25

Open

Open

Open

Open

80486SX-33

Open

Open

Closed

Closed

SL80486SX-25

Open

Open

Open

Open

SL80486SX-33

Open

Open

Closed

Closed

SL8046SX2-50

Open

Open

Open

Open

CX486DX-33

1 & 2

Open

Closed

Closed

CX486DX-40

1 & 2

Open

Closed

Open

AM486DX-33

1 & 2

Open

Closed

Closed

AM486DX-40

1 & 2

Open

Closed

Open

80486DX-33

1 & 2

Open

Closed

Closed

SL80486DX-33

1 & 2

Open

Closed

Closed

CX486DX2-50

1 & 2

Open

Open

Open

CX486DX2-66

1 & 2

Open

Closed

Closed

AM486DX2-66NV8T

1 & 2

Open

Closed

Closed

AM486DX2-80NV8T

1 & 2

Open

Closed

Open

AM486DX2-66NV8T

1 & 2

Open

Closed

Closed

SL80486DX2-50

1 & 2

Open

Open

Open

80486DX2-66

1 & 2

Open

Closed

Closed

SL80486DX2-66

1 & 2

Open

Closed

Closed

CX486DX2-80

1 & 2

Open

Closed

Open

CX486DX4-100

1 & 2

Open

Closed

Closed

(SL)AM486DX4-100

1 & 2

Open

Closed

Closed

(SL)AM486DX4-120

1 & 2

Open

Closed

Open

SL80486DX4-75

1 & 2

Open

Open

Open

SL80486DX4-100

1 & 2

Open

Closed

Closed

P24D

1 & 2

Closed

Closed

Closed

P24T

1 & 2

Open

Closed

Closed

CX5X86-100

1 & 2

Closed

Closed

Closed

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP19

JP20

JP21

JP22

80486SX-25

Open

Open

Open

Open

80486SX-33

Open

Open

Open

Open

SL80486SX-25

Open

Closed

Closed

Open

SL80486SX-33

Open

Closed

Closed

Open

SL8046SX2-50

Open

Closed

Closed

Open

CX486DX-33

Open

Open

Open

Open

CX486DX-40

Open

Open

Open

Open

AM486DX-33

Open

Open

Open

Open

AM486DX-40

Open

Open

Open

Open

80486DX-33

Open

Open

Open

Open

SL80486DX-33

Open

Closed

Closed

Open

CX486DX2-50

Open

Open

Open

Closed

CX486DX2-66

Open

Open

Open

Closed

AM486DX2-66NV8T

2 & 3

Open

Open

Open

AM486DX2-80NV8T

2 & 3

Open

Open

Open

AM486DX2-66NV8T

Open

Open

Open

Open

SL80486DX2-50

Open

Closed

Closed

Open

80486DX2-66

Open

Open

Open

Open

SL80486DX2-66

Open

Closed

Closed

Open

CX486DX2-80

Open

Open

Open

Closed

CX486DX4-100

Open

Open

Open

Closed

(SL)AM486DX4-100

Open

Closed

Closed

Open

(SL)AM486DX4-120

Open

Closed

Closed

Open

SL80486DX4-75

Open

Closed

Closed

Open

SL80486DX4-100

Open

Closed

Closed

Open

P24D

1 & 2

Closed

Closed

Open

P24T

Open

Closed

Closed

Open

CX5X86-100

1 & 2

Closed

Closed

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP23

JP29

JP32

80486SX-25

2 & 3

1 & 3, 2 & 4

Open

80486SX-33

2 & 3

1 & 3, 2 & 4

Open

SL80486SX-25

2 & 3

1 & 3, 2 & 4

Open

SL80486SX-33

2 & 3

1 & 3, 2 & 4

Open

SL8046SX2-50

2 & 3

1 & 3, 2 & 4

Open

CX486DX-33

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

CX486DX-40

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

AM486DX-33

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

AM486DX-40

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

80486DX-33

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

SL80486DX-33

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

CX486DX2-50

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

CX486DX2-66

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

AM486DX2-66NV8T

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

AM486DX2-80NV8T

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

AM486DX2-66NV8T

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

SL80486DX2-50

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

80486DX2-66

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

SL80486DX2-66

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

CX486DX2-80

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

CX486DX4-100

1 & 2, 3 & 4

1 & 3, 2 & 4

Open

(SL)AM486DX4-100

1 & 2, 3 & 4

3 & 5, 4 & 6

Open

(SL)AM486DX4-120

1 & 2, 3 & 4

3 & 5, 4 & 6

Open

SL80486DX4-75

1 & 2, 3 & 4

3 & 5, 4 & 6

Open

SL80486DX4-100

1 & 2, 3 & 4

3 & 5, 4 & 6

Open

P24D

Open

1 & 3, 2 & 4

Open

P24T

1 & 2, 3 & 4

1 & 3, 2 & 4

2 & 3

CX5X86-100

1 & 2, 3 & 4

3 & 5, 4 & 6

Open

Note: Pins designated should be in the closed position.

VL BUS WAIT STATE SELECTION

Setting

JP35

0

Open

1

Closed

VL BUS SPEED SELECTION

Speed

JP37

<= 33MHz

Open

>33 MHz

Closed