HwMuseum | Index

AMERICAN MEGATRENDS, INC.

MEGAPRO

Processor

Pentium Pro

Processor Speed

133/150/166/180/200MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB (located on Pentium Pro CPU)

BIOS

AMI

Dimensions

355mm x 304mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA interface, IR connector, VRM connectors (2), USB connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

CPU fan

J2

PS/2 mouse interface

P8

CPU fan

J3

Floppy drive interface

P10

Chassis door connector

J12

IDE interface 1

P11

IDE interface LED

J13

Parallel port

P12

Speaker

J16

IDE interface 2

P13

Chassis fan power

J18

USB connector 1

P14

Green PC connector

J21

USB connector 2

P15

Power LED & keylock

J23

VGA connector

P20

Turbo LED

J26

32-bit PCI slots

PC1 - PC4

Reset switch

J28

VRM connector 1

VRM1

Serial port 1

P4

VRM connector 2

VRM2

Serial port 2

P5

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J11

Open

»

Factory configured - do not alter

J14

Pins 1 & 2 closed

 

PS/2 mouse IRQ12 enabled

J15

Pins 2 & 3 closed

 

PS/2 mouse IRQ12 disabled

J15

Pins 1 & 2 closed

»

On board PCI VGA enabled

J19

Open

 

On board PCI VGA disabled

J19

Closed

»

PCI IRQ disabled

J20

Closed

 

PCI IRQ enabled

J20

Open

»

Server management SMI disabled

J22

Open

 

Server management SMI enabled

J22

Closed

»

External SMI disabled

J25

Open

 

External SMI enabled

J25

Closed

»

Factory configured - do not alter

J27

Open

»

CMOS memory normal operation

J29

Open

 

CMOS memory clear

J29

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(2) 1M x 36

None

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

None

16MB

(2) 2M x 36

None

None

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

None

24MB

(2) 1M x 36

(2) 2M x 36

None

None

24MB

(2) 2M x 36

(2) 1M x 36

None

None

32MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 1M x 36

(2) 1M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

None

None

DRAM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

32MB

(2) 4M x 36

None

None

None

40MB

(2) 1M x 36

(2) 2M x 36

(2) 2M x 36

None

40MB

(2) 1M x 36

(2) 4M x 36

None

None

40MB

(2) 2M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

40MB

(2) 4M x 36

(2) 1M x 36

None

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

None

48MB

(2) 2M x 36

(2) 4M x 36

None

None

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

None

56MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

(2) 1M x 36

56MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

64MB

(2) 4M x 36

(2) 2M x 36

(2) 2M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

None

None

64MB

(2) 8M x 36

None

None

None

72MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

None

72MB

(2) 8M x 36

(2) 1M x 36

None

None

80MB

(2) 2M x 36

(2) 8M x 36

None

None

80MB

(2) 4M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

None

88MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

None

96MB

(2) 4M x 36

(2) 8M x 36

None

None

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

None

112MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 2M x 36

112MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

128MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

None

128MB

(2) 8M x 36

(2) 8M x 36

None

None

128MB

(2) 16M x 36

None

None

None

136MB

(2) 16M x 36

(2) 1M x 36

None

None

144MB

(2) 16M x 36

(2) 2M x 36

None

None

144MB

(2) 16M x 36

(2) 1M x 36

(2) 1M x 36

None

152MB

(2) 16M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

160MB

(2) 16M x 36

(2) 4M x 36

None

None

160MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

160MB

(2) 16M x 36

(2) 2M x 36

(2) 2M x 36

None

176MB

(2) 16M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

None

192MB

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

None

192MB

(2) 16M x 36

(2) 8M x 36

None

None

200MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

(2) 1M x 36

DRAM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

208MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

(2) 2M x 36

224MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

(2) 4M x 36

224MB

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

256MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 8M x 36

(2) 8M x 36

None

256MB

(2) 16M x 36

(2) 16M x 36

None

None

264MB

(2) 16M x 36

(2) 16M x 36

(2) 1M x 36

None

288MB

(2) 16M x 36

(2) 16M x 36

(2) 4M x 36

None

320MB

(2) 16M x 36

(2) 16M x 36

(2) 8M x 36

None

320MB

(2) 16M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

384MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

None

400MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

(2) 2M x 36

416MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

(2) 4M x 36

512MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J7

J8

J9

133MHz

66MHz

2x

Open

Closed

Open

150MHz

60MHz

2.5x

Closed

Open

Closed

166MHz

66MHz

2.5x

Open

Closed

Open

180MHz

60MHz

3x

Closed

Open

Closed

200MHz

66MHz

3x

Open

Closed

Open

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J10

J17

J24

133MHz

66MHz

2x

Closed

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

1 & 2

150MHz

60MHz

2.5x

Open

3 & 4, 5 & 6, 7 & 8

1 & 2

166MHz

66MHz

2.5x

Closed

3 & 4, 5 & 6, 7 & 8

1 & 2

180MHz

60MHz

3x

Open

1 & 2, 5 & 6, 7 & 8

1 & 2

200MHz

66MHz

3x

Closed

1 & 2, 5 & 6, 7 & 8

1 & 2

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

J4

J5

 

None

Open

Open

 

2.1v

7 & 8

7 & 8

 

2.2v

5 & 6

5 & 6

 

2.3v

5 & 6, 7 & 8

5 & 6, 7 & 8

 

2.4v

3 & 4

3 & 4

 

2.5v

3 & 4, 7 & 8

3 & 4, 7 & 8

 

2.6v

3 & 4, 5 & 6

3 & 4, 5 & 6

 

2.7v

3 & 4, 5 & 6, 7 & 8

3 & 4, 5 & 6, 7 & 8

 

2.8v

1 & 2

1 & 2

 

2.9v

1 & 2, 7 & 8

1 & 2, 7 & 8

 

3.0v

1 & 2, 5 & 6

1 & 2, 5 & 6

 

3.1v

1 & 2, 5 & 6, 7 & 8

1 & 2, 5 & 6, 7 & 8

 

3.2v

1 & 2, 3 & 4

1 & 2, 3 & 4

»

3.3v

1 & 2, 3 & 4, 7 & 8

1 & 2, 3 & 4, 7 & 8

 

3.4v

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4, 5 & 6

 

3.5v

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.

3.3V POWER SELECTION

Setting

J1

J6

From voltage regulator

Open

1 & 2, 3 & 4, 5 & 6

From power supply

1 & 2, 3 & 4, 5 & 6

Open

Note: Pins designated should be in the closed position.