ACER, INC.

AP5TC

Device Type

Mainboard

Processor

CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/IDT C6/Pentium/

Pentium MMX

Processor Speed

90/100/120/133/150/166/200/233/266/300MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

250mm 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), IR connector, USB 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

IDE interface LED

C2

PS/2 mouse interface

CN7

CPU fan power

C3

IR connector

IR1

SB link connector

C4

32-bit PCI slots

PC1 – PC4

Serial port 2

CN1

USB connector

USB

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP14

Pins 1 & 2 closed

 

CMOS memory clear

JP14

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 2

Bank 3

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

Note: Board accepts SDRAM memory.

CACHE CONFIGURATION

Note: The location of the cache is unidentified.

CACHE CONFIGURATION

Size

Bank 0

256KB

(1) 32K x 64

512KB

(1) 64K x 64

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

SW1/1

SW1/2

SW1/3

150MHz

60MHz

2x

1 & 2

2 & 3

1 & 2

On

Off

Off

166MHz

66MHz

2x

2 & 3

1 & 2

1 & 2

On

Off

Off

200MHz

75MHz

2x

1 & 2

2 & 3

2 & 3

On

Off

Off

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

SW1/1

SW1/2

SW1/3

150MHz

60MHz

2x

1 & 2

2 & 3

1 & 2

On

Off

Off

166MHz

66MHz

2x

2 & 3

1 & 2

1 & 2

On

Off

Off

200MHz

75MHz

2x

1 & 2

2 & 3

2 & 3

On

Off

Off

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

SW1/1

SW1/2

SW1/3

166MHz

60MHz

2.5x

1 & 2

2 & 3

1 & 2

On

On

Off

200MHz

66MHz

2.5x

2 & 3

1 & 2

1 & 2

On

On

Off

200MHz

75MHz

2x

1 & 2

2 & 3

2 & 3

On

Off

Off

233MHz

66MHz

3x

2 & 3

1 & 2

1 & 2

Off

On

Off

233MHz

83MHz

2x

2 & 3

1 & 2

2 & 3

On

Off

Off

266MHz

66MHz

3.5x

2 & 3

1 & 2

1 & 2

Off

Off

Off

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

SW1/1

SW1/2

SW1/3

90MHz

60MHz

1.5x

1 & 2

2 & 3

1 & 2

Off

Off

Off

100MHz

66MHz

1.5x

2 & 3

1 & 2

1 & 2

Off

Off

Off

120MHz

60MHz

1.5x

1 & 2

2 & 3

1 & 2

Off

Off

Off

133MHz

66MHz

1.5x

2 & 3

1 & 2

1 & 2

Off

Off

Off

166MHz

66MHz

1.75x

2 & 3

1 & 2

1 & 2

On

On

Off

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

SW1/1

SW1/2

SW1/3

166MHz

66MHz

2.5x

2 & 3

1 & 2

1 & 2

On

On

Off

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2

Off

On

Off

233MHz

66MHz

3.5x

2 & 3

1 & 2

1 & 2

Off

Off

Off

266MHz

66MHz

4x

2 & 3

1 & 2

1 & 2

On

Off

On

300MHz

66MHz

4.5x

2 & 3

1 & 2

1 & 2

On

On

On

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IDT C6)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

SW1/1

SW1/2

SW1/3

150MHz

75MHz

2x

1 & 2

2 & 3

2 & 3

On

Off

Off

180MHz

60MHz

3x

1 & 2

2 & 3

1 & 2

Off

On

Off

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2

Off

On

Off

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

SW1/1

SW1/2

SW1/3

90MHz

60MHz

1.5x

1 & 2

2 & 3

1 & 2

Off

Off

Off

100MHz

66MHz

1.5x

2 & 3

1 & 2

1 & 2

Off

Off

Off

120MHz

60MHz

2x

1 & 2

2 & 3

1 & 2

On

Off

Off

133MHz

66MHz

2x

2 & 3

1 & 2

1 & 2

On

Off

Off

150MHz

60MHz

2.5x

1 & 2

2 & 3

1 & 2

On

On

Off

166MHz

66MHz

2.5x

2 & 3

1 & 2

1 & 2

On

On

Off

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2

Off

On

Off

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

SW1/1

SW1/2

SW1/3

150MHz

60MHz

2.5x

1 & 2

2 & 3

1 & 2

On

On

Off

166MHz

66MHz

2.5x

2 & 3

1 & 2

1 & 2

On

On

Off

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2

Off

On

Off

233MHz

66MHz

3.5x

2 & 3

1 & 2

1 & 2

Off

Off

Off

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP12

»

3.45v

Pins 1 & 2 closed

 

3.52v

Pins 2 & 3 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

1.30v

Off

Off

Off

Off

On

1.35v

On

Off

Off

Off

On

1.40v

Off

On

Off

Off

On

1.45v

On

On

Off

Off

On

1.50v

Off

Off

On

Off

On

1.55v

On

Off

On

Off

On

1.60v

Off

On

On

Off

On

1.65v

On

On

On

Off

On

1.70v

Off

Off

Off

On

On

1.75v

On

Off

Off

On

On

1.80v

Off

On

Off

On

On

1.85v

On

On

Off

On

On

1.90v

Off

Off

On

On

On

1.95v

On

Off

On

On

On

2.00v

Off

On

On

On

On

2.05v

On

On

On

On

On

2.0v

Off

Off

Off

Off

Off

2.1v

On

Off

Off

Off

Off

2.2v

Off

On

Off

Off

Off

2.3v

On

On

Off

Off

Off

2.4v

Off

Off

On

Off

Off

2.5v

On

Off

On

Off

Off

2.6v

Off

On

On

Off

Off

2.7v

On

On

On

Off

Off

2.8v

Off

Off

Off

On

Off

2.9v

On

Off

Off

On

Off

3.0v

Off

On

Off

On

Off

3.1v

On

On

Off

On

Off

3.2v

Off

Off

On

On

Off

3.3v

On

Off

On

On

Off

3.4v

Off

On

On

On

Off

3.5v

On

On

On

On

Off