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





BEK-5731

BEK-TRONIC TECHNOLOGY, INC.

BEK-5731

Processor

Pentium

Processor Speed

75/90/100/120/125/133/150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

280mm x 220mm

I/O Options

32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface

J1

IR connector

J9

Serial port 1

J2

Reset switch

J10

Parallel port

J3

Power LED & keylock

J11

Floppy drive interface

J4

Speaker

J12

IDE interface 1

J5

USB connector 2

JP3

IDE interface 2

J6

USB connector 1

JP4

Serial port 2

J7

Green PC connector

JP22

IDE interface LED

J8

32-bit PCI slots

PC1 PC4

Turbo LED

J8A

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

On board I/O enabled

JP1

Pins 1 & 2 closed

 

On board I/O disabled

JP1

Pins 2 & 3 closed

Factory configured - do not alter

JP2

Unidentified

Factory configured - do not alter

JP8

Unidentified

Factory configured - do not alter

JP8A

Unidentified

Pipeline address enabled

JP13

Closed

 

Pipeline address disabled

JP13

Open

Factory configured - do not alter

JP16

Unidentified

Cache write select write back

JP17

Pins 2 & 3 closed

 

Cache write select write through

JP17

Pins 1 & 2 closed

 

Flash BIOS voltage select 12v

JP18

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP18

Pins 2 & 3 closed

Factory configured - do not alter

JP25

Unidentified

 

CPU regulator voltage select 1 regulator voltage

JP28

Pins 1 & 2 closed

 

CPU regulator voltage select 2 regulator voltage

JP28

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

DIMM CONFIGURATION

Size

Bank 2

8MB

(1) 1M x 64

16MB

(1) 2M x 64

32MB

(1) 4M x 64

64MB

(1) 8M x 64

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG

256KB (A)

(2) 32K x 32

Not installed

(1) 32K x 8

256KB (B)

None

256KB module installed

(1) 32K x 8

512KB (A)

(2) 32K x 32

256KB module installed

(1) 32K x 8

512KB (B)

(2) 64K x 32

Not installed

(1) 32K x 8

512KB (C)

None

512KB module installed

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP10

JP12

JP14

JP15

256KB (A)

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

Closed

256KB (B)

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

Open

512KB (A)

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

Open

512KB (B)

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

Open

512KB (C)

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

Closed

CACHE TAG VOLTAGE CONFIGURATION

Voltage

JP9

3.3v

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP5

JP6

JP7

JP26

JP27

75MHz

50MHz

1.5x

Open

Closed

Closed

Open

Open

90MHz

60MHz

1.5x

Closed

Open

Closed

Open

Open

100MHz

66MHz

1.5x

Closed

Open

Open

Open

Open

100MHz

50MHz

2x

Closed

Closed

Closed

Open

Closed

120MHz

60MHz

2x

Closed

Open

Closed

Open

Closed

125MHz

50MHz

2.5x

Open

Closed

Closed

Open

Closed

133MHz

66MHz

2x

Closed

Open

Open

Open

Closed

150MHz

60MHz

2.5x

Closed

Open

Closed

Closed

Closed

166MHz

66MHz

2.5x

Closed

Open

Open

Closed

Closed

180MHz

60MHz

3x

Closed

Open

Closed

Closed

Open

200MHz

66MHz

3x

Closed

Open

Open

Closed

Open

CPU TYPE SELECTION

Type

JP21

JP29

P54C

Pins 1 & 3, 2 & 4 closed

Pins 1 & 3, 2 & 4 closed

P55C

Open

Open

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP24

2.5v

Pins 1 & 2 closed

3.4v

Pins 2 & 3 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP20

JP24

2.5v

3v

Pins 2 & 3 closed

Pins 1 & 2 closed

2.5v

3.4v

Pins 1 & 2 closed

Pins 1 & 2 closed

3.4v

3v

Pins 2 & 3 closed

Pins 2 & 3 closed

3.4v

3.4v

Pins 1 & 2 closed

Pins 2 & 3 closed

CMOS SELECTION

Setting

JP11

JP19

CMOS memory normal operation

Open

Open

 

CMOS memory clear

Closed

Closed