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VS48664-3VL

YOUNG MICRO SYSTEMS, INC.

VS48664-3VL

Processor

CXM6/AM486SX/SL80486/80486SX/CXM7/AM486DX/80486DX/80486DX2/ P24C/P24D/Pentium Overdrive

Processor Speed

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

Chip Set

Symphony

Max. Onboard DRAM

128MB

Cache

64/128/256/512/1024KB

BIOS

AMI/Phoenix

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

Power LED & keylock

CN1

Turbo LED

CN5

Speaker

CN2

Green PC connector

JP15

Turbo switch

CN3

32-bit VESA local bus slots

SL1 - SL3

Reset switch

CN4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

J27

N/A

Factory configured - do not alter

J28

N/A

Factory configured - do not alter

J29

N/A

Factory configured - do not alter

J30

N/A

Factory configured - do not alter

J31

N/A

Factory configured - do not alter

J32

N/A

Factory configured - do not alter

J33

N/A

Factory configured - do not alter

J34

N/A

Factory configured - do not alter

JP3

N/A

Factory configured - do not alter

JP9

N/A

Parity check enabled

JP16

pins 1 & 2 closed

 

Parity check disabled

JP16

pins 2 & 3 closed

Monitor type select color

JP17

Closed

 

Monitor type select monochrome

JP17

Open

BIOS type select normal

JP18

pins 1 & 2 closed

 

BIOS type select flash

JP18

pins 2 & 3 closed

Factory configured - do not alter

JP19

N/A

Factory configured - do not alter

JP22

N/A

Factory configured - do not alter

JP28

N/A

Factory configured - do not alter

JP29

N/A

Factory configured - do not alter

JP30

N/A

Factory configured - do not alter

JP31

N/A

Note: The location of jumpers JP9, JP28, JP29, JP30 & JP31 are unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(2) 8K x 8

128KB

(4) 32K x 8

NONE

(2) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(2) 32K x 8

512KB

(4) 128K x 8

NONE

(2) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(2) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JD1

JD2

JT1

JT2

JT3

64KB

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

128KB

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

256KB

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

512KB

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP1

JP2

JP4

JP5

JP6

CXM6 1x

Open

Open

Open

2 & 3

Closed

CXM6 2x

Open

Open

Open

2 & 3

Closed

AM486SX (WT)

Open

Closed

Open

2 & 3

Closed

AM486SX (WB)

Closed

Closed

Open

2 & 3

Closed

SL80486

Open

Closed

Open

1 & 2

Closed

80486SX

Open

Open

Open

2 & 3

Closed

AM486DX (WT)

Open

Closed

Open

2 & 3

Closed

AM486DX (WB)

Closed

Closed

Closed

2 & 3

Closed

CXM7 1x

Open

Open

Open

1 & 2

Closed

CXM7 2x

Open

Open

Open

1 & 2

Closed

80486DX

Open

Open

Open

1 & 2

Closed

80486DX2

Open

Open

Open

1 & 2

Closed

P24C 2x

Open

Closed

Open

1 & 2

Closed

P24C 3x

Open

Closed

Open

1 & 2

Closed

P24D (WT)

Open

Closed

Open

1 & 2

Closed

P24D (WB)

Closed

Closed

Closed

1 & 2

Closed

P24T 2x (WT)

Open

Closed

Open

1 & 2

Open

P24T 2x (WB)

Closed

Closed

Closed

1 & 2

Open

P24T 3x (WT)

Open

Closed

Open

1 & 2

Open

P24T 3x (WB)

Closed

Closed

Closed

1 & 2

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONT)

Type

JP7

JP8

JP10

JP11

JP12

CXM6 1x

1 & 2

Closed

Open

Open

Open

CXM6 2x

1 & 2

Closed

Open

Open

Closed

AM486SX (WT)

Open

Open

Open

Open

Open

AM486SX (WB)

Open

Open

Open

Open

Open

SL80486

Open

Open

Open

1 & 2

Open

80486SX

Open

Open

Open

Open

Open

AM486DX (WT)

Open

Open

Open

1 & 2

Open

AM486DX (WB)

Open

Open

Open

1 & 2

Open

CXM7 1x

1 & 2

Closed

Open

1 & 2

Open

CXM7 2x

1 & 2

Closed

Open

1 & 2

Closed

80486DX

Open

Open

Open

1 & 2

Open

80486DX2

Open

Open

Open

1 & 2

Open

P24C 2x

Open

Open

1 & 2

2 & 3

Open

P24C 3x

Open

Open

Open

2 & 3

Open

P24D (WT)

2 & 3

Open

Open

1 & 2

Open

P24D (WB)

2 & 3

Open

Open

1 & 2

Open

P24T 2x (WT)

Open

Open

1 & 2

2 & 3

Open

P24T 2x (WB)

Open

Open

1 & 2

2 & 3

Open

P24T 3x (WT)

Open

Open

Open

2 & 3

Open

P24T 3x (WB)

Open

Open

Open

2 & 3

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONT)

Type

JP13

JP23

JP24

JP41

JP42

CXM6 1x

Closed

Closed

Closed

Open

Open

CXM6 2x

Closed

Closed

Closed

Open

Open

AM486SX (WT)

Open

Open

Open

2 & 3

2 & 3

AM486SX (WB)

Open

Open

Open

2 & 3

2 & 3

SL80486

Open

Open

Open

Open

Open

80486SX

Open

Closed

Closed

Open

Open

AM486DX (WT)

Open

Open

Open

2 & 3

2 & 3

AM486DX (WB)

Open

Open

Open

2 & 3

2 & 3

CXM7 1x

Closed

Closed

Closed

Open

Open

CXM7 2x

Closed

Closed

Closed

Open

Open

80486DX

Open

Closed

Closed

Open

Open

80486DX2

Open

Closed

Closed

Open

Open

P24C 2x

Open

Open

Open

Open

Open

P24C 3x

Open

Open

Open

Open

Open

P24D (WT)

Open

Open

Open

1 & 2

1 & 2

P24D (WB)

Open

Open

Open

1 & 2

1 & 2

P24T 2x (WT)

Open

Open

Open

Open

Open

P24T 2x (WB)

Open

Open

Open

Open

Open

P24T 3x (WT)

Open

Open

Open

Open

Open

P24T 3x (WB)

Open

Open

Open

Open

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONT)

Type

RN1

RN2

CXM6 1x

Open

Open

CXM6 2x

Open

Open

AM486SX (WT)

Open

1 & 2, 3 & 4, 5 & 6, 7 & 8

AM486SX (WB)

Open

1 & 2, 3 & 4, 5 & 6, 7 & 8

SL80486

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

80486SX

Open

Open

AM486DX (WT)

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

AM486DX (WB)

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

CXM7 1x

1 & 2, 3 & 4, 5 & 6, 7 & 8

Open

CXM7 2x

1 & 2, 3 & 4, 5 & 6, 7 & 8

Open

80486DX

1 & 2, 3 & 4, 5 & 6, 7 & 8

Open

80486DX2

1 & 2, 3 & 4, 5 & 6, 7 & 8

Open

P24C 2x

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

P24C 3x

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

P24D (WT)

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

P24D (WB)

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

P24T 2x (WT)

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

P24T 2x (WB)

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

P24T 3x (WT)

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

P24T 3x (WB)

1 & 2, 3 & 4, 5 & 6, 7 & 8

1 & 2, 3 & 4, 5 & 6, 7 & 8

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP25

JP26

JP27

25MHz

Closed

Open

Closed

33MHZ

Open

Open

Closed

40MHz

Closed

Closed

Open

50iMHz

Closed

Open

Closed

50MHz

Open

Closed

Open

66iMHz

Open

Open

Closed

CPU VOLTAGE CONFIGURATION

Voltage

CN6

3.3v

Open

5v

pins 1 & 2, 3 & 4, 5 & 6 closed

VESA WAIT STATE CONFIGURATION

Wait states

JP20

0 wait states

pins 1 & 2 closed

1 wait state

pins 2 & 3 closed

BUS SPEED CONFIGURATION

CPU speed

JP21

<= 33MHz

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed