AMERICAN MEGATRENDS, INC.

SUPER VOYAGER VLB-III ISA

Processor

80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive

Processor Speed

25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz

Chip Set

AMI

Max. Onboard DRAM

128MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), floppy drive interface, green PC connector, IDE interface, parallel port, PS/2 mouse interface, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface

J1

Speaker

J27

IDE interface LED

J2

Power LED & keylock

J31

Green PC connector (power)

J3

Reset switch

J32

Parallel port

J5

Turbo switch

J33

Floppy drive interface

J8

Password LED

J38

IDE interface

J9

Turbo LED

J40

External battery

J10

Green PC connector (monitor)

J47

Serial port 1

J13

32-bit VESA local bus slots

SL1 & SL2

Serial port 2

J14

   

Note: The locations of J2 & J3 are unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

J11

Open

»

Factory configured - do not alter

J12

Open

»

Factory configured - do not alter

J18

Open

»

Factory configured - do not alter

J15

Open

»

Parallel port IRQ select IRQ7

J22

pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

J22

pins 2 & 3 closed

»

Factory configured - do not alter

J26

Open

»

Serial port 2 IRQ select IRQ3

J28

pins 1 & 2 closed

 

Serial port 2 IRQ select IRQ4

J28

pins 2 & 3 closed

»

Serial port 1 IRQ select IRQ4

J29

pins 1 & 2 closed

 

Serial port 1 IRQ select IRQ3

J29

pins 2 & 3 closed

»

On board mouse enabled

J30

pins 1 & 2 closed

 

On board mouse disabled

J30

pins 2 & 3 closed

»

Password LED is used on front panel

J39

pins 1 & 2 closed

 

Password LED using J38

J39

pins 2 & 3 closed

»

CPU type select PGA

J42

pins 1 & 2 closed

 

CPU type select PQFP

J42

pins 2 & 3 closed

»

CMOS memory normal operation

J48

pins 1 & 2 closed

 

CMOS memory clear

J48

pins 2 & 3 closed

»

BIOS type select 27256

J51

pins 1 & 2 closed

 

BIOS type select 27512

J51

pins 2 & 3 closed

Note: The locations of J26 & J39 are unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

(1) 512K x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 1M x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

DRAM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 512K x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 4M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 1M x 36

(1) 8M x 36

NONE

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M 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

64MB

(1) 16M x 36

NONE

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

65MB

(1) 256K x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 16M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 16M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

64KB

(4) 8K x 8

(4) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

CACHE JUMPER CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

64KB

Off

Off

Off

Off

256KB

On

On

On

On

CPU TYPE CONFIGURATION

Type

J19

J37

J43

J54

80486SX

1 & 2, 3 & 4

Open

Open

N/A

80487SX

1 & 2, 3 & 4

Open

Open

2 & 3

80486DX/DX2

1 & 2, 3 & 4

Open

Open

1 & 2

80486DX4 (2x)

2 & 3

1 & 2

Open

1 & 2

80486DX4 (2.5x)

2 & 3

2 & 3

Open

1 & 2

80486DX4 (3x)

2 & 3

Open

Open

1 & 2

P23T

1 & 2, 3 & 4

Open

Open

2 & 3

P4S, P23S, P24S

2 & 3

Open

Open

1 & 2

P24CT

3 & 4

Open

Closed

2 & 3

P24D

3 & 4

Open

Closed

1 & 2

Pentium Overdrive

3 & 4

Open

Closed

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON'T)

Type

J55

J56

J57

80486SX

2 & 3

Open

1 & 2, 3 & 4, 5 & 6

80487SX

1 & 2, 3 & 4

Open

1 & 2, 3 & 4, 5 & 6

80486DX/DX2

1 & 2, 3 & 4

Open

1 & 2, 3 & 4, 5 & 6

80486DX4 (2x)

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

Open

80486DX4 (2.5x)

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

Open

80486DX4 (3x)

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

Open

P23T

1 & 2, 3 & 4

Open

1 & 2, 3 & 4, 5 & 6

P4S, P23S, P24S

1 & 2, 3 & 4

Open

1 & 2, 3 & 4, 5 & 6

P24CT

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

Open

P24D

1 & 2, 3 & 4

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4, 5 & 6

Pentium Overdrive

1 & 2, 3 & 4

Open

1 & 2, 3 & 4, 5 & 6

Note: Pins designated should be in the closed position.

VESA SPEED (ID2 & ID3) CONFIGURATION

Speed

J16 (ID3)

J17 (iD2)

25MHz

pins 1 & 2 closed

pins 1 & 2 closed

33MHz

pins 1 & 2 closed

pins 1 & 2 closed

40MHz

pins 2 & 3 closed

pins 2 & 3 closed

50iMHz

pins 1 & 2 closed

pins 1 & 2 closed

50MHz

pins 2 & 3 closed

pins 2 & 3 closed

66iMHz

pins 1 & 2 closed

pins 1 & 2 closed

75iMHz

pins 1 & 2 closed

pins 1 & 2 closed

100iMHz

pins 2 & 3 closed

pins 2 & 3 closed

DMA CONFIGURATION

DMA

J41

J44

None

Open

Open

DRQ0

pins 1 & 2 closed

pins 1 & 2 closed

DRQ1

pins 3 & 4 closed

pins 3 & 4 closed

DRQ3

pins 5 & 6 closed

pins 5 & 6 closed