ACER, INC.

AP5V

Device Type

Mainboard

Processor

Pentium

Processor Speed

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

Chip Set

Intel 430VX

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

AMI

Dimensions

280mm x 220mm

I/O Options

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

CONNECTIONS

Purpose

Location

Purpose

Location

Front panel connector

C1

IDE interface 1

CN6

IDE interface LED

C2

PS/2 mouse interface

CN7

Serial port 1

CN1

Chassis fan power

CN12

Serial port 2

CN2

32-bit PCI slots

PC1 – PC4

Parallel port

CN3

USB connector

USB

Floppy drive interface

CN4

VRM connector

VRM

IDE interface 2

CN5

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP12

Pins 1 & 2 closed

 

CMOS memory clear

JP12

Pins 2 & 3 closed

»

On board I/O enabled

JP13

Pins 1 & 2 closed

 

On board I/O disabled

JP13

Pins 2 & 3 closed

»

ISA clock select CLK/3

JP14

Pins 1 & 2 closed

 

ISA clock select CLK/4

JP14

Pins 2 & 3 closed

»

PS/2 mouse enabled

JP15

Pins 1 & 2 closed

 

PS/2 mouse disabled

JP15

Pins 2 & 3 closed

»

Flash BIOS voltage select 5v

JP16

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JP16

Pins 1 & 2 closed

»

Factory configured - do not alter

JP17

Unidentified

»

Factory configured - do not alter

JP18

Unidentified

»

Factory configured - do not alter

JP20

Unidentified

»

Factory configured - do not alter

JP21

Unidentified

»

Factory configured - do not alter

JP22

Unidentified

»

Factory configured - do not alter

JP23

Unidentified

»

Keyboard clock select 8MHz

JP24

Pins 1 & 2 closed

 

Keyboard clock select 12MHz

JP24

Pins 2 & 3 closed

DIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

Note: Board accepts EDO & SDRAM memory.

DIMM CONFIGURATION

Type

JP8

JP9

»

SDRAM

Open

Open

 

EDO

Pins 1 & 2, 3 & 4, 5 & 6 closed

Pins 1 & 2, 3 & 4, 5 & 6 closed

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

75MHz

50MHz

1.5x

1 & 2

1 & 2

1 & 2

1 & 2

90MHz

60MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

100MHz

66MHz

1.5x

1 & 2

1 & 2

1 & 2

2 & 3

120MHz

60MHz

2x

1 & 2

2 & 3

2 & 3

1 & 2

133MHz

66MHz

2x

1 & 2

2 & 3

1 & 2

2 & 3

150MHz

60MHz

2.5x

2 & 3

2 & 3

2 & 3

1 & 2

166MHz

66MHz

2.5x

2 & 3

2 & 3

1 & 2

2 & 3

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP5

JP6

»

P54C

Pins 1 & 2, 3 & 4, 5 & 6 closed

Pins 1 & 2, 3 & 4, 5 & 6 closed

 

P55C

Open

Open

CPU VOLTAGE SELECTION

Voltage

JP7

3.45v

Pins 1 & 2 closed

3.52v

Pins 2 & 3 closed

DMA CHANNEL SELECTION

Channel

JP10

JP11

 

1

Pins 2 & 3 closed

Pins 2 & 3 closed

»

3

Pins 1 & 2 closed

Pins 1 & 2 closed