HwMuseum | Index

ACER, INC.

V56LA

Device Type

Mainboard

Processor

CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/AM K5/Pentium/

Pentium MMX

Processor Speed

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

Chip Set

Unidentified

Video Chip Set

Unidentified

Maximum Onboard Memory

128MB

Maximum Video Memory

2MB

Cache

256/512KB

BIOS

Acer

Dimensions

254mm x 218mm

I/O Options

Ethernet 10BaseT connector, floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, cache slot, IR connector, wavetable connector, audio in – CD-ROM

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

C1

IDE interface 2

CN12

Serial port 2

C2

Software shutdown

CN14

Serial port 1

C3

Active/LED connector

CN15

PS/2 mouse port

C4

Power LED

CN17/pins 3 - 5

Ethernet 10BaseT connector

C5

Green PC connector

CN17/pins 19 & 20

VGA port

CN1

IR connector

CN18

Modem connector

CN3

Floppy/IDE interface LED

CN20

Audio connector

CN4

Power switch connector

CN21

AMC connector

CN5

Floppy drive interface

FD1

ATI media connector

CN7

Chassis fan power

FN1

Audio in – CD-ROM

CN8

Riser slot

SL1

Wavetable connector

CN10

Cache slot

SL2

IDE interface 1

CN11

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

On board video enabled

JP1

Pins 2 & 3 closed

 

On board video disabled

JP1

Pins 1 & 2 closed

»

BIOS type select Acer

JP3

Pins 1 & 2 closed

 

BIOS type select OEM

JP3

Pins 2 & 3 closed

»

Password disabled

JP4

Pins 2 & 3 closed

 

Password enabled

JP4

Pins 1 & 2 closed

»

BIOS type select Block ROM

JP7

Pins 1 & 2 closed

 

BIOS type select Flash ROM

JP7

Pins 2 & 3 closed

»

Factory configured - do not alter

JP16

Unidentified

»

LED select IDE LED only

JP18

Pins 2 & 3 closed

 

LED select IDE & floppy

JP18

Pins 1 & 2 closed

»

External switch select green PC

JP19

Pins 1 & 2 closed

 

External switch select reset

JP19

Pins 2 & 3 closed

»

Software shutdown select software shutdown

JP20

Pins 1 & 2, 4 & 5 closed

 

Software shutdown select appears off

JP20

Pins 2 & 3, 5 & 6 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

SL2

256KB

(2) 32K x 32

Not installed

512KB

(2) 32K x 32

256KB module installed

CACHE JUMPER CONFIGURATION

Size

JP6

256KB

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

VIDEO MEMORY CONFIGURATION

Note: The location of the video memory is unidentified.

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP13

JP14

JP15

JP17

120MHz

50MHz

2x

1 & 4

Closed

1 & 2

1 & 2

1 & 2

2 & 3

150MHz

60MHz

2x

2 & 5

Closed

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

66MHz

2x

3 & 6

Closed

1 & 2

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP13

JP14

JP15

JP17

120MHz

50MHz

2x

1 & 4

Closed

1 & 2

1 & 2

1 & 2

2 & 3

150MHz

60MHz

2x

2 & 5

Closed

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

66MHz

2x

3 & 6

Closed

1 & 2

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP13

JP14

JP15

JP17

120MHz

50MHz

2x

1 & 4

Open

1 & 2

1 & 2

1 & 2

2 & 3

150MHz

60MHz

2x

2 & 5

Open

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

66MHz

2x

3 & 6

Open

1 & 2

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86L)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP13

JP14

JP15

JP17

120MHz

50MHz

2x

1 & 4

Open

1 & 2

1 & 2

1 & 2

2 & 3

150MHz

60MHz

2x

2 & 5

Open

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

66MHz

2x

3 & 6

Open

1 & 2

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP13

JP14

JP15

JP17

120MHz

60MHz

2x

2 & 5

Closed

1 & 2

1 & 2

1 & 2

1 & 2

133MHz

66MHz

2x

3 & 6

Closed

1 & 2

1 & 2

1 & 2

1 & 2

150MHz

60MHz

2.5x

2 & 5

Closed

1 & 2

1 & 2

1 & 2

2 & 3

166MHz

66MHz

2.5x

3 & 6

Closed

1 & 2

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP13

JP14

JP15

JP17

100MHz

66MHz

1.5x

3 & 6

Closed

1 & 2

1 & 2

1 & 2

1 & 2

120MHz

60MHz

2x

2 & 5

Closed

1 & 2

1 & 2

1 & 2

2 & 3

133MHz

66MHz

2x

3 & 6

Closed

1 & 2

1 & 2

1 & 2

2 & 3

150MHz

60MHz

2.5x

2 & 5

Closed

1 & 2

1 & 2

2 & 3

2 & 3

166MHz

66MHz

2.5x

3 & 6

Closed

1 & 2

1 & 2

2 & 3

2 & 3

200MHz

66MHz

3x

3 & 6

Closed

1 & 2

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP8

JP9

JP13

JP14

JP15

JP17

166MHz

66MHz

2.5x

3 & 6

Open

1 & 2

1 & 2

2 & 3

2 & 3

200MHz

66MHz

3x

3 & 6

Open

1 & 2

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.