ACER, INC.

AP5T

Processor

CX 6X86/CX 6X86L/AM K5/AM K6/Pentium

Processor Speed

90/100/120/133/150/166/200/233MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO 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, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), USB connector, IR connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

C1/pins 1 – 5

Serial port 1

CN2

Speaker

C1/pins 7 - 10

Parallel port

CN3

Green PC LED

C1/pins 12 & 13

Floppy drive interface

CN4

Green PC connector

C1/pins 15 - 17

IDE interface 1

CN5

Reset switch

C1/pins 19 & 20

IDE interface 2

CN6

IR connector

C2

USB connector

CN7

IDE interface LED

C3

PS/2 mouse interface

CN8

Chassis fan power

C4

32-bit PCI slots

PC1 – PC4

Serial port 2

CN1

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP14

Pins 1 & 2 closed

 

CMOS memory clear

JP14

Pins 2 & 3 closed

»

On board I/O enabled

JP18

Pins 1 & 2 closed

 

On board I/O disabled

JP18

Pins 2 & 3 closed

»

PS/2 mouse enabled

JP20

Pins 1 & 2 closed

 

PS/2 mouse disabled

JP20

Pins 2 & 3 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

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

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) 16M x 64

None

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

Note: The location of bank 0 is unidentified.

CPU SPEED SELECTION (CX 6X86/6X 86L)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

JP5

150MHz

60MHz

2x

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

166MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

JP5

90MHz

60MHz

1.5x

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

100MHz

66MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

120MHz

60MHz

1.5x

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

133MHz

66MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

166MHz

66MHz

1.75x

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

JP5

166MHz

66MHz

2.5x

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

200MHz

66MHz

3x

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

233MHz

66MHz

3.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP3

JP4

JP5

90MHz

60MHz

1.5x

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

100MHz

66MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

120MHz

60MHz

2x

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

133MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

150MHz

60MHz

2.5x

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

166MHz

66MHz

2.5x

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

200MHz

66MHz

3x

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

233MHz

66MHz

3.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position. If board is AP5T-1, ignore JP5.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP7

JP8

JP9

JP10

3.45v

1 & 2

1 & 2

1 & 2, 3 & 4

Open

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP7

JP8

JP9

JP10

3.45v

2.8v

7 & 8

1 & 2

Open

1 & 2, 3 & 4

3.45v

2.9v

5 & 6

1 & 2

Open

1 & 2, 3 & 4

3.45v

3.2v

9 & 10

1 & 2

Open

1 & 2, 3 & 4

3.45v

3.52v

3 & 4

1 & 2

Open

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.