ACER, INC.

AP65

Processor

Pentium Pro

Processor Speed

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

Unidentified

Dimensions

330mm x 218mm

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), IR connector, VRM connector, USB connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Power LED & keylock

CN16/pins 1 - 5

IR connector

CN3

Speaker

CN16/pins 7 - 10

Serial port 2

CN6

Green PC LED

CN16/pins 12 & 13

Parallel port

CN7

Green PC connector

CN16/pins 15 - 17

Floppy drive interface

CN8

Reset switch

CN16/pins 19 & 20

IDE interface 1

CN9

IDE interface LED

CN17

PS/2 mouse interface

CN10

Chassis fan power

JP10

USB connector

CN11

32-bit PCI slots

PC1 – PC4

IDE interface 2

CN12

VRM connector

VRM

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Keyboard clock speed select 8MHz

CN15

Pins 1 & 2 closed

 

Keyboard clock speed select 16MHz

CN15

Pins 2 & 3 closed

»

CMOS memory normal operation

JP1

Open

 

CMOS memory clear

JP1

Closed

»

PS/2 mouse enabled

JP3

Closed

 

PS/2 mouse disabled

JP3

Open

»

On board I/O enabled

JP6

Pins 1 & 2 closed

 

On board I/O disabled

JP6

Pins 2 & 3 closed

»

Factory configured - do not alter

JP9

Unidentified

DRAM 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) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

None

136MB

(2) 1M x 36

(2) 16M x 36

144MB

(2) 2M x 36

(2) 16M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

160MB

(2) 4M x 36

(2) 16M x 36

192MB

(2) 8M x 36

(2) 16M x 36

256MB

(2) 16M x 36

(2) 16M x 36

256MB

(2) 32M x 36

None

264MB

(2) 1M x 36

(2) 32M x 36

272MB

(2) 2M x 36

(2) 32M x 36

288MB

(2) 4M x 36

(2) 32M x 36

320MB

(2) 8M x 36

(2) 32M x 36

384MB

(2) 16M x 36

(2) 32M x 36

512MB

(2) 32M x 36

(2) 32M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

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

CPU SPEED SELECTION

Speed

CN13

CN14

JP2

150MHz

2 & 4, 3 & 5

2 & 4, 3 & 5

3 & 4, 5 & 6, 7 & 8

166MHz

1 & 3, 4 & 6

1 & 3, 4 & 6

3 & 4, 5 & 6, 7 & 8

180MHz

2 & 4, 3 & 5

2 & 4, 3 & 5

1 & 2, 5 & 6, 7 & 8

200MHz

1 & 3, 4 & 6

1 & 3, 4 & 6

1 & 2, 5 & 6, 7 & 8

CPU TYPE SELECTION

Type

JP7

Standard

Open

Overdrive

Closed

CPU VOLTAGE SELECTION

Voltage

JP8

»

Auto detect

Open

 

2.1v

Pins 1 & 2 closed

 

2.2v

Pins 3 & 4 closed

 

2.3v

Pins 1 & 2, 3 & 4 closed

 

2.4v

Pins 5 & 6 closed

 

2.5v

Pins 1 & 2, 5 & 6 closed

 

2.6v

Pins 3 & 4, 5 & 6 closed

 

2.7v

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

 

2.8v

Pins 7 & 8 closed

 

2.9v

Pins 1 & 2, 7 & 8 closed

 

3.0v

Pins 3 & 4, 7 & 8 closed

 

3.1v

Pins 1 & 2, 3 & 4, 7 & 8 closed

 

3.2v

Pins 5 & 6, 7 & 8 closed

 

3.3v

Pins 1 & 2, 5 & 6, 7 & 8 closed

 

3.4v

Pins 3 & 4, 5 & 6, 7 & 8 closed

 

3.5v

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

DMA CHANNEL SELECTION

Channel

JP4

JP5

 

1

Pins 2 & 3 closed

Pins 2 & 3 closed

»

3

Pins 1 & 2 closed

Pins 1 & 2 closed