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486WB CACHE/ESP486 (VER. 1)

DATAEXPERT CORPORATION/VISION TECHNOLOGIES

486WB CACHE/ESP486 (VER. 1)

Processor

CX486M6/80486SX/CX486M7/AMD486DXL/AMD486DX/80486DX/CX486DX2/ AMD486DX2/80486DX2/80486DX4/Pentium Overdrive

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

Award

Dimensions

230mm x 218mm

I/O Options

32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo LED

JP2

Speaker

J2

Power saving connector

JP26

Reset switch

J3

Turbo switch

JP35

External battery

J4

32-bit VESA Local bus slots

SL1 - SL3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP32

Closed

 

Monitor type select monochrome

JP32

Open

CMOS memory normal operation

JP33

pins 2 & 3 closed

 

CMOS memory clear

JP33

pins 1 & 2 closed

L2 write through enabled

JP34

pins 2 & 3 closed

 

L2 write back enabled

JP34

pins 1 & 2 closed

Turbo speed enabled

JP35

Open

 

Turbo speed disabled

JP35

Closed

DRAM configuration select Table 1

JP41

pins 2 & 3 closed

 

DRAM configuration select Table 2

JP41

pins 1 & 2 closed

DRAM CONFIGURATION (TABLE 1)

Size

Bank 0

Bank 0/1

Bank 1

2MB

NONE

(1) 512K x 36

NONE

2MB

(4) 256K x 9

NONE

(1) 256K x 36

2MB

NONE

(1) 256K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

5MB

NONE

(1) 256K x 36

(1) 1M x 36

5MB

(4) 256K x 9

NONE

(1) 1M x 36

8MB

NONE

(1) 1M x 36

(1) 1M x 36

8MB

(4) 1M x 9

NONE

(1) 1M x 36

8MB

NONE

(1) 2M x 36

NONE

16MB

NONE

(1) 4M x 36

NONE

16MB

(4) 4M x 9

NONE

NONE

17MB

(4) 256K x 9

NONE

(1) 4M x 36

17MB

NONE

(1) 256K x 36

(1) 4M x 36

20MB

(4) 1M x 9

NONE

(1) 4M x 36

20MB

NONE

(1) 1M x 36

(1) 4M x 36

32MB

(4) 4M x 9

NONE

(1) 4M x 36

32MB

NONE

(1) 4M x 36

(1) 4M x 36

32MB

NONE

(1) 8M x 36

NONE

64MB

(4) 16M x 9

NONE

NONE

DRAM CONFIGURATION (TABLE 2)

Size

Bank 0

Bank 0/1

Bank 1

2MB

NONE

(1) 512K x 36

NONE

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 512K x 36

(2) 512K x 36

8MB

NONE

(1) 2M x 36

NONE

10MB

NONE

(1) 512K x 36

(2) 2M x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 2M x 36

(2) 2M x 36

32MB

NONE

(1) 8M x 36

NONE

64MB

(4) 16M x 9

NONE

NONE

64MB

NONE

(1) 8M x 36

(2) 8M x 36

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

JP13

JP28

JP29

64KB

pins 2 & 3 closed

Open

Open

128KB

pins 1 & 2 closed

Open

Closed

256KB

pins 2 & 3 closed

Closed

Closed

TAG SRAM JUMPER CONFIGURATION

Size

TAG

JP27

64KB

(1) 8K x 8

pins 1 & 2 closed

128KB

(1) 8K x 8

pins 1 & 2 closed

256KB

(1) 16K x 8

pins 2 & 3 closed

256KB

(1) 32K x 8

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JP5

JP6

JP8

JP19

JP24

JP39

JP43

80486SX

2 & 3

Open

Open

1 & 2

Open

2 & 3

Open

CX486M6

2 & 3

Open

Open

1 & 2

1 & 2

1 & 2

Open

CX486M7

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

Open

80486DX

1 & 2

2 & 3

1 & 2

1 & 2

Open

2 & 3

Open

80486DX4

1 & 2

2 & 3

1 & 2

1 & 2

Open

2 & 3

Closed

Overdrive

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

Open

Note: Pins designated should be in the closed position. 80486DX includes Intel and AMD DX/DXL.

CPU TYPE CONFIGURATION (UPDATED VERSION)

Type

JP5

JP6

JP8

JP19

JP24

JP39

JP43

80486SX

2 & 3

Open

Open

1 & 2

Open

2 & 3

Closed

CX486M6

2 & 3

Open

Open

1 & 2

1 & 2

1 & 2

Closed

CX486M7

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

Closed

80486DX

1 & 2

2 & 3

1 & 2

1 & 2

Open

2 & 3

Closed

80486DX4

1 & 2

2 & 3

1 & 2

1 & 2

Open

2 & 3

Open

Overdrive

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

Closed

Note: Pins designated should be in the closed position. 80486DX includes Intel and AMD DX/DXL.

CPU TYPE CONFIGURATION

Type

JP11

JP12

JP25

PQFP CPU disabled

Open

Open

Closed

 

PQFP CPU enabled

Closed

Closed

Open

CPU SPEED CONFIGURATION

Speed

JP3

JP4

JP17

25MHz

Closed

Closed

Open

33MHz

Closed

Open

Closed

40MHz

Open

Closed

Closed

50iMHz

Closed

Closed

Open

50MHz

Closed

Closed

Closed

66iMHz

Closed

Open

Closed

CPU CLOCK SPEED CONFIGURATION (INTEL DX4)

Clock speed

JP36

JP37

JP38

2x

Open

Closed

Open

2.5x

Open

Open

Closed

3x

Closed

Open

Open

CPU POWER VOLTAGE CONFIGURATION

Voltage

JP44

JP45

JP46

3.3 (DX4)

Open

Closed

pins 1 & 2 closed

5 (other CPU)

Closed

Open

pins 2 & 3 closed

VESA BUS SPEED CONFIGURATION

CPU speed

JP40

< = 33MHz

pins 2 & 3 closed

> 33MHz

pins 1 & 2 closed

POWER MANAGEMENT CONFIGURATION

Mode

JP9

JP10

Non SMM

Open

Open

 

SMM

Closed

Closed