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BEK-V429

BEK-TRONIC TECHNOLOGY, INC.

BEK-V429

Processor

CX486M6/SL80486SX/80486SX/CX486M7/SL80486DX/80486DX/SL80486DX/80486DX2/80486DX4/P24D/Pentium Overdrive

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

64/128/256KB

BIOS

Award

Dimensions

330mm 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

Green PC connector

JP6

Green PC connector (monitor)

JP39

Power LED & keylock

JP22

Green PC connector LED

JP41

Turbo LED

JP34

Reset switch

S1

Turbo switch

JP36

32-bit VESA local bus slots

SL1 - SL3

USER CONFIGURABLE SETTINGS

Function

Jumper

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

N/A

»

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

»

Factory configured - do not alter

JP40

pins 1 & 2, 3 & 4 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

1MB

NONE

(1) 256K x 36

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

4MB

NONE

(1) 1M x 36

NONE

NONE

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

8MB

NONE

(1) 1M x 36

(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

12MB

NONE

(1) 1M x 36

(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

16MB

NONE

(1) 4M x 36

NONE

NONE

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

20MB

NONE

(1) 1M x 36

(1) 4M x 36

NONE

32MB

(4) 4M x 9

(1) 4M x 36

NONE

NONE

32MB

(4) 4M x 9

NONE

(1) 4M x 36

NONE

32MB

NONE

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(4) 16M x 9

NONE

NONE

NONE

64MB

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

NONE

(1) 16M x 36

NONE

NONE

128MB

(4) 16M x 9

(1) 16M x 36

NONE

NONE

128MB

(4) 16M x 9

NONE

(1) 16M x 36

NONE

128MB

NONE

(1) 16M x 36

(1) 16M x 36

NONE

DRAM JUMPER CONFIGURATION

Size

JP5

1MB

pins 2 & 3 closed

1MB

pins 1 & 2 closed

2MB

pins 2 & 3 closed

4MB

pins 2 & 3 closed

4MB

pins 2 & 3 closed

4MB

pins 1 & 2 closed

5MB

pins 2 & 3 closed

6MB

pins 2 & 3 closed

8MB

pins 2 & 3 closed

8MB

pins 2 & 3 closed

8MB

pins 1 & 2 closed

10MB

pins 2 & 3 closed

12MB

pins 2 & 3 closed

12MB

pins 1 & 2 closed

16MB

pins 2 & 3 closed

16MB

pins 2 & 3 closed

16MB

pins 1 & 2 closed

17MB

pins 2 & 3 closed

20MB

pins 2 & 3 closed

20MB

pins 2 & 3 closed

20MB

pins 1 & 2 closed

32MB

pins 2 & 3 closed

32MB

pins 2 & 3 closed

32MB

pins 1 & 2 closed

64MB

pins 2 & 3 closed

64MB

pins 2 & 3 closed

64MB

pins 1 & 2 closed

128MB

pins 2 & 3 closed

128MB

pins 2 & 3 closed

128MB

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

(4) 32K x 8

(4) 32K x 8

(1) 16K x 8 or (1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP8

JP27

JP28

64KB

pins 2 & 3 closed

Open

Open

128KB

pins 1 & 2 closed

Closed

Open

256KB

pins 2 & 3 closed

Closed

Closed

CACHE TAG JUMPER CONFIGURATION

Size

JP26

8K x 8

pins 1 & 2 closed

16K x 8

pins 2 & 3 closed

32K x 8

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JP9

JP10

JP11

JP12

JP13

CX486M6

Closed

Open

1 & 2

2 & 3

Open

SL80486SX

Open

Closed

1 & 2

1 & 2

Open

80486SX

Open

Open

1 & 2

1 & 2

Open

CX486M7 (1x)

Closed

Open

2 & 3

2 & 3

1 & 2

CX486M7 (2x)

Closed

Open

2 & 3

2 & 3

1 & 2

SL80486DX

Open

Closed

1 & 2

1 & 2

1 & 2

80486DX

Open

Open

1 & 2

1 & 2

1 & 2

SL80486DX2

Open

Closed

1 & 2

1 & 2

1 & 2

80486DX2

Open

Open

1 & 2

1 & 2

1 & 2

80486DX4

Open

Closed

1 & 2

1 & 2

1 & 2

P24D (WB)

Open

Closed

2 & 3

1 & 2

1 & 2

P24D (WT)

Open

Closed

2 & 3

1 & 2

1 & 2

P24T

Open

Closed

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP15

JP19

JP20

JP21

JP22

CX486M6

Open

Open

Open

Open

Open

SL80486SX

Open

Open

Closed

Closed

Open

80486SX

Open

Open

Open

Open

Open

CX486M7 (1x)

Open

Open

Open

Open

Closed

CX486M7 (2x)

Open

Open

Open

Open

Closed

SL80486DX

Open

Open

Closed

Closed

Open

80486DX

Open

Open

Open

Open

Open

SL80486DX2

Open

Open

Closed

Closed

Open

80486DX2

Open

Open

Open

Open

Open

80486DX4

Open

Open

Closed

Closed

Open

P24D (WB)

Closed

1 & 2

Closed

Closed

Open

P24D (WT)

Closed

2 & 3

Closed

Closed

Open

P24T

Closed

Open

Closed

Closed

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP23

JP29

JP32

CX486M6

pins 2 & 3 closed

pins 1 & 3, 2 & 4 closed

pins 1 & 2 closed

SL80486SX

pins 2 & 3 closed

pins 1 & 3, 2 & 4 closed

Open

80486SX

pins 2 & 3 closed

pins 1 & 3, 2 & 4 closed

Open

CX486M7 (1x)

pins 1 & 2, 3 & 4 closed

pins 1 & 3, 2 & 4 closed

Open

CX486M7 (2x)

pins 1 & 2, 3 & 4 closed

pins 1 & 3, 2 & 4 closed

Open

SL80486DX

pins 1 & 2, 3 & 4 closed

pins 1 & 3, 2 & 4 closed

Open

80486DX

pins 1 & 2, 3 & 4 closed

pins 1 & 3, 2 & 4 closed

Open

SL80486DX2

pins 1 & 2, 3 & 4 closed

pins 1 & 3, 2 & 4 closed

Open

80486DX2

pins 1 & 2, 3 & 4 closed

pins 1 & 3, 2 & 4 closed

Open

80486DX4

pins 1 & 2, 3 & 4 closed

pins 3 & 5, 4 & 6 closed

Open

P24D (WB)

pins 1 & 2, 3 & 4 closed

pins 1 & 3, 2 & 4 closed

pins 2 & 3 closed

P24D (WT)

pins 1 & 2, 3 & 4 closed

pins 1 & 3, 2 & 4 closed

pins 2 & 3 closed

P24T

pins 1 & 2, 3 & 4 closed

pins 1 & 3, 2 & 4 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JP17

JP18

25MHz

Open

Open

33MHz

Closed

Closed

40MHz

Closed

Open

50iMHz

Open

Open

50MHz

Open

Closed

66iMHz

Closed

Closed

75iMHz

Open

Open

100iMHz

Closed

Closed

VESA WAIT STATE CONFIGURATION

Wait states

JP35

0 wait states

Open

1 wait state

Closed

Note: The location of JP35 is unidentified.

BUS SPEED CONFIGURATION

CPU speed

JP37

<= 33MHz

Open

> 33MHz

Closed

Note: The location of JP37 is unidentified.