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4386-VC-V

UNIDENTIFIED

4386-VC-V

Processor

80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

VIA

Max. Onboard DRAM

64/128MB (depends on CPU installed)

Cache

32/64/128/256KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J6

Speaker

J9

Turbo switch

J7

Power LED & keylock

J10

Reset switch

J8

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select monochrome/EGA/VGA

J1

Open

 

Monitor type select color

J1

Closed

»

CMOS memory normal operation

J2

Open

 

CMOS memory clear

J2

Closed

»

Factory configured - do not alter

JC5

N/A

»

Factory configured - do not alter

JC6

N/A

»

Factory configured - do not alter

JK1

N/A

»

NPU synchronous with CPU

JN1

pins 1 & 2 closed

 

NPU asynchronous with CPU

JN1

pins 2 & 3 closed

Note: The location of J1 & J2 are unidentified.

DRAM CONFIGURATION (80386)

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

DRAM CONFIGURATION (80486)

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

DRAM CONFIGURATION (80486 CON’T)

Size

Bank 0

Bank 1

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 0

TAG 1

32KB

(4) 8K x 8

NONE

(1) 8K x 8

(1) 8K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

(1) 32K x 8

Note: TAG 1 is alter RAM and may not be present.

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

JS3

JS4

JS5

JS6

32KB

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

64KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

128KB

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

256KB

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JI0

JI1

JI2

JI3

JI4

JI5

80386DX

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

80486SX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

80487SX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

CX486DLC

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

80486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

80486DX2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins desingated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JI6

JI7

JC1

JC2

JC3

JC4

80386DX

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

Open

80486SX

1 & 2

1 & 2

2 & 3

2 & 3

Open

Open

80487SX

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

Open

CX486DLC

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2, 3 & 4, 5 & 6

80486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Open

80486DX2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Open

Note: Pins desingated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JK2

JK3

JK4

20MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

25MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

33MHz (80386 & CX486)

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

40MHz (80386 & CX486)

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

50iMHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

50MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

66iMHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

VESA WAIT STATE CONFIGURATION

Wait states

JV2

0 wait states

pins 1 & 2 closed

1 wait state

pins 2 & 3 closed

BUS SPEED CONFIGURATION

CPU speed

JV1

<= 33MHz

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed