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ACERALTOS 9000 PRO (M9B), M9B

ACER, INC.

ACERALTOS 9000 PRO (M9B), M9B

Device Type

Mainboard

Processor

Pentium Pro

Processor Speed

200MHz

Chip Set

Intel 440FX

Video Chip Set

ATI

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

2MB

Cache

256KB (located on Pentium Pro CPU)

BIOS

Acer

Dimensions

305mm x 244mm

I/O Options

32-bit PCI slots (5), green PC connector, floppy drive interface, IDE interface, SCSI interface, SCSI-2 interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, CPU slot

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

C1

RDM connector

CN6

VGA port

C2

RDM connector

CN7

PS/2 mouse port

C3

Floppy drive interface

CN8

Serial port 1

C4

Wide SCSI interface

CN11

Serial port 2

C5

SCSI-2 interface

CN12

Chassis fan power

C6

LED board connector

CN13

Chassis fan power

C7

IDE interface LED

CN14

Chassis fan power

C8

Power LED & keylock

CN15

3.3v power

CN1

Speaker

CN16

5v power

CN2

32-bit PCI slots

PC1 - PC5

Backplane status LED

CN3

Green PC connector

SW1

IDE interface

CN5

CPU slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Password enabled

JP1

Pins 1 & 2 closed

 

Password disabled

JP1

Pins 2 & 3 closed

 

BIOS type select Acer

JP2

Pins 1 & 2 closed

 

BIOS type select OEM

JP2

Pins 2 & 3 closed

 

Termination enabled

JP3

Pins 1 & 2 closed

 

Termination switchable through SCSI select utility

JP3

Pins 2 & 3 closed

SCSI select standard

JP4

Pins 2 & 3 closed

 

SCSI select wide

JP4

Pins 1 & 2 closed

 

Front panel reset enabled

JP5

Pins 1 & 2 closed

 

Front panel reset disabled

JP5

Pins 2 & 3 closed

 

Buzzer enabled

JP6

Pins 1 & 2 closed

 

External speaker enabled

JP6

Pins 2 & 3 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

32MB

(2) 4M x 36

None

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

None

32MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

None

64MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

None

72MB

(2) 8M x 36

(2) 1M x 36

None

None

80MB

(2) 8M x 36

(2) 2M x 36

None

None

96MB

(2) 8M x 36

(2) 4M x 36

None

None

SIMM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

None

128MB

(2) 16M x 36

None

None

None

128MB

(2) 8M x 36

(2) 8M x 36

None

None

128MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

136MB

(2) 16M x 36

(2) 1M x 36

None

None

144MB

(2) 16M x 36

(2) 2M x 36

None

None

160MB

(2) 16M x 36

(2) 4M x 36

None

None

192MB

(2) 16M x 36

(2) 8M x 36

None

None

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

None

224MB

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

256MB

(2) 16M x 36

(2) 16M x 36

None

None

256MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

272MB

(2) 16M x 36

(2) 16M x 36

(2) 1M x 36

(2) 1M x 36

288MB

(2) 16M x 36

(2) 16M x 36

(2) 2M x 36

(2) 2M x 36

320MB

(2) 16M x 36

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

384MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

None

512MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

VIDEO MEMORY CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 256K x 16

None

2MB

(2) 256K x 16

(2) 256K x 16

CONNECTIONS

Purpose

Location

Purpose

Location

CPU fan power

C1

VRM connector

VRM1

CPU fan power

C2

VRM connector

VRM2

CACHE CONFIGURATION

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

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

CN1/

pins

1 & 5

CN1/

pins

2 & 6

CN1/

Pins

3 & 7

CN1/

pins

4 & 8

J16

200MHz

66MHz

3x

Closed

Closed

Open

Closed

2 & 3

Note: Pins designated should be in the closed position.

CPU 1 VOLTAGE SELECTION

Voltage

CN2/pins 1 & 5

CN2/pins 2 & 6

CN2/pins 3 & 7

CN2/pins 4 & 8

 

2.1v

Open

Open

Open

Closed

 

2.2v

Open

Open

Closed

Open

 

2.3v

Open

Open

Closed

Closed

 

2.4v

Open

Closed

Open

Open

 

2.5v

Open

Closed

Open

Closed

 

2.6v

Open

Closed

Closed

Open

 

2.7v

Open

Closed

Closed

Closed

 

2.8v

Closed

Open

Open

Open

 

2.9v

Closed

Open

Open

Closed

 

3.0v

Closed

Open

Closed

Open

 

3.1v

Closed

Open

Closed

Closed

 

3.2v

Closed

Closed

Open

Open

3.3v

Closed

Closed

Open

Closed

 

3.4v

Closed

Closed

Closed

Open

 

3.5v

Closed

Closed

Closed

Closed

CPU 2 VOLTAGE SELECTION

Voltage

CN3/pins 1 & 5

CN3/pins 2 & 6

CN3/pins 3 & 7

CN3/pins 4 & 8

 

2.1v

Open

Open

Open

Closed

 

2.2v

Open

Open

Closed

Open

 

2.3v

Open

Open

Closed

Closed

 

2.4v

Open

Closed

Open

Open

 

2.5v

Open

Closed

Open

Closed

 

2.6v

Open

Closed

Closed

Open

 

2.7v

Open

Closed

Closed

Closed

 

2.8v

Closed

Open

Open

Open

 

2.9v

Closed

Open

Open

Closed

 

3.0v

Closed

Open

Closed

Open

 

3.1v

Closed

Open

Closed

Closed

 

3.2v

Closed

Closed

Open

Open

3.3v

Closed

Closed

Open

Closed

 

3.4v

Closed

Closed

Closed

Open

 

3.5v

Closed

Closed

Closed

Closed