VISIONEX

GREEN-B [4GPV3] MOTHERBOARD

Processor

CX486M6/80486SX/80487SX/CX486M7/AM486DX/80486DX/ AM486DX2/80486DX2/P24C/P24T

Processor Speed

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

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

64/128/256KB

BIOS

AMI/Award/MR

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (2), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

JP10

Green PC LED

JP39

Speaker

JP11

Green PC connector

JP40

Power LED & keylock

JP13

Green PC connector

JP41

Reset switch

JP15

Turbo switch

JP95

External battery

JP17

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

PQFP CPU disabled

JP1

Closed

 

PQFP CPU enabled

JP1

Open

»

CMOS memory normal operation

JP16

Pins 1 & 2 closed

 

CMOS memory clear

JP16

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

5MB

(4) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

None

17MB

(4) 256K x 9

(4) 4M x 9

17MB

(4) 4M x 9

(4) 256K x 9

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

64MB

(4) 16M x 9

None

65MB

(4) 256K x 9

(4) 16M x 9

65MB

(4) 16M x 9

(4) 256K x 9

68MB

(4) 1M x 9

(4) 16M x 9

68MB

(4) 16M x 9

(4) 1M x 9

80MB

(4) 4M x 9

(4) 16M x 9

80MB

(4) 16M x 9

(4) 4M x 9

128MB

(4) 16M x 9

(4) 16M x 9

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) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

64KB

Pins 2 & 3 closed

Pins 2 & 4 closed

128KB

Pins 1 & 2 closed

Pins 2 & 3 closed

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU SPEED SELECTION

Speed

ID3

JP5

JP5A

JP33

JP36

JP37

JP38

JP72

25MHz

Open

2 & 3

4 & 5

2 & 4

Closed

1 & 2

2 & 3

Closed

33MHz

Open

2 & 3

4 & 5

2 & 4

Closed

2 & 3

1 & 2

Open

40MHz

Closed

1 & 2

3 & 5

2 & 3

Open

1 & 2

2 & 3

Open

50iMHz

Open

2 & 3

4 & 5

2 & 4

Closed

1 & 2

2 & 3

Closed

50MHz

Closed

1 & 2

N/A

1 & 2

Open

2 & 3

1 & 2

Open

66iMHz

Open

2 & 3

4 & 5

2 & 4

Closed

2 & 3

1 & 2

Open

Note: Pins designated should be in the closed position. If using a PGA CPU, use JP5 settings. If a PQFP CPU is installed, use JP5A settings.

CPU TYPE SELECTION

Type

JP2

JP3

JP4

80486SX (PQFP)

Open

Open

Open

80486SX (PGA)

Pins 2 & 3 closed

Open

Open

80487SX

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

Closed

80486DX

Pins 1 & 2, 3 & 4 closed

Pins 2 & 3 closed

Open

80486DX2

Pins 1 & 2, 3 & 4 closed

Pins 2 & 3 closed

Open

P24C

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

Closed

P24T

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

Closed

Note: The location of the PQFP is unidentified.

CPU TYPE SELECTION

Type

JP2A

Cyrix

Pins 2 & 3 closed

AMD

Pins 1 & 2 closed

Intel

Pins 1 & 2 closed

VL BUS WAIT STATE SELECTION

Setting

ID2

0

Open

1

Closed