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ACERPOWER ULTIMA (M3A), M3A

ACER, INC.

ACERPOWER ULTIMA (M3A), M3A

Device Type

Mainboard

Processor

Pentium

Processor Speed

75/90/100/120/133/150/166/200MHz

Chip Set

Intel 440HX

Maximum Onboard Memory

192MB (EDO supported)

Cache

256/512KB

BIOS

Acer

Dimensions

330mm x 218mm

I/O Options

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

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

IDE interface LED

CN12

Soft off power supply

CN2

Speaker

CN13

IDE interface 1

CN4

Power LED & keylock

CN14

IDE interface 2

CN5

LED board connector

CN15

USB connector

CN7

CPU fan power

FA1

Serial port 2

CN8

PS/2 mouse port

MS1

Serial port 1

CN9

32-bit PCI slots

PC1 – PC4

Floppy drive interface

CN10

SCSI/ASM slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Factory configured – do not alter

CN6

Unidentified

 

BIOS type select Acer

JP1

Pins 1 & 2 closed

 

BIOS type select OEM

JP1

Pins 2 & 3 closed

 

Password enabled

JP2

Pins 1 & 2 closed

 

Password disabled

JP2

Pins 2 & 3 closed

 

Buzzer enabled

JP3

Pins 1 & 2 closed

 

External speaker enabled

JP3

Pins 2 & 3 closed

Note: The location of CN6 is unidentified.

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x 36

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

16MB

(2) 2M x 36

None

None

24MB

(2) 2M x 36

(2) 1M x 36

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

40MB

(2) 4M x 36

(2) 1M x 36

None

48MB

(2) 4M x 36

(2) 2M x 36

None

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

56MB

(2) 4M x 36

(2) 2M x 36

(2) 1M x 36

64MB

(2) 8M x 36

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

80MB

(2) 8M x 36

(2) 2M x 36

None

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

88MB

(2) 8M x 36

(2) 2M x 36

(2) 1M x 36

96MB

(2) 8M x 36

(2) 4M x 36

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

104MB

(2) 8M x 36

(2) 4M x 36

(2) 1M x 36

112MB

(2) 8M x 36

(2) 4M x 36

(2) 2M x 36

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 16M x 36

None

None

128MB

(2) 8M x 36

(2) 8M x 36

None

136MB

(2) 8M x 36

(2) 8M x 36

(2) 1M x 36

136MB

(2) 16M x 36

(2) 1M x 36

None

144MB

(2) 16M x 36

(2) 2M x 36

None

144MB

(2) 16M x 36

(2) 1M x 36

(2) 1M x 36

152MB

(2) 16M x 36

(2) 2M x 36

(2) 1M x 36

160MB

(2) 16M x 36

(2) 4M x 36

None

160MB

(2) 16M x 36

(2) 2M x 36

(2) 2M x 36

168MB

(2) 16M x 36

(2) 4M x 36

(2) 1M x 36

176MB

(2) 16M x 36

(2) 4M x 36

(2) 2M x 36

192MB

(2) 16M x 36

(2) 8M x 36

None

192MB

(2) 16M x 36

(2) 4M x 36

(2) 4M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

Unidentified

512KB

(2) 64K x 32

Unidentified

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

75MHz

50MHz

1.5x

2 & 3

1 & 2, 4 & 5

2 & 3

90MHz

60MHz

1.5x

2 & 3

1 & 2, 3 & 4

2 & 3

100MHz

66MHz

1.5x

2 & 3

2 & 3, 4 & 5

2 & 3

120MHz

60MHz

2x

2 & 3

1 & 2, 3 & 4

1 & 2

133MHz

66MHz

2x

2 & 3

2 & 3, 4 & 5

1 & 2

150MHz

60MHz

2.5x

1 & 2

1 & 2, 3 & 4

1 & 2

166MHz

66MHz

2.5x

1 & 2

2 & 3, 4 & 5

1 & 2

200MHz

66MHz

3x

1 & 2

2 & 3, 4 & 5

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP7

JP8

JP9

P54C

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

P55C

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU VOLTAGE SELECTION

Voltage

JP11

3.3v

Pins 2 & 3 closed

3.45v

Pins 1 & 2 closed

GREEN PC/RESET SELECTION

Setting

JP10

Green PC enabled

Pins 1 & 2 closed

Reset enabled

Pins 2 & 3 closed

Additional reset switch

Pins 3 & 4 closed