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AP5S

ACER, INC.

AP5S

Device Type

Mainboard

Processor

Pentium

Processor Speed

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

Chip Set

SIS

Video Chip Set

None

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

None

Cache

256KB

BIOS

Award

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), IR connector, USB connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface

CN4

Green PC LED

CN11/pins 12 & 13

Serial port 1

CN5

Green PC connector

CN11/pins 15 – 17

Floppy drive interface

CN6

Reset switch

CN11/pins 19 & 20

IDE interface 1

CN7

CPU fan power

JP17

Serial port 2

CN8

IR connector

JP21

Parallel port

CN9

IDE interface LED

JP22

IDE interface 2

CN10

32-bit PCI slots

PC1 – PC4

Power LED & keylock

CN11/pins 1 – 5

USB connector

USB

Speaker

CN11/pins 7 – 10

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP2

Unidentified

»

Flash BIOS voltage select 5v

JP8

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JP8

Pins 1 & 2 closed

»

Factory configured - do not alter

JP9

Unidentified

»

PS/2 mouse enabled

JP10

Pins 1 & 2 closed

 

PS/2 mouse disabled

JP10

Pins 2 & 3 closed

»

Factory configured - do not alter

JP11

Unidentified

»

CMOS memory normal operation

JP12

Pins 1 & 2 closed

 

CMOS memory clear

JP12

Pins 2 & 3 closed

 

On board I/O enabled

JP16

Pins 1 & 2 closed

 

On board I/O disabled

JP16

Pins 2 & 3 closed

»

Factory configured - do not alter

JP23

Unidentified

»

Factory configured - do not alter

JP24

Unidentified

»

Factory configured - do not alter

JP25

Unidentified

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

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

256MB

(2) 32M x 36

None

264MB

(2) 32M x 36

(2) 1M x 36

272MB

(2) 32M x 36

(2) 2M x 36

288MB

(2) 32M x 36

(2) 4M x 36

320MB

(2) 32M x 36

(2) 8M x 36

384MB

(2) 32M x 36

(2) 16M x 36

512MB

(2) 32M x 36

(2) 32M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

CACHE TYPE CONFIGURATION

Type

JP1

Linear mode

Pins 1 & 2 closed

Interleave mode

Pins 2 & 3 closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP3

JP4

JP14

JP15

75MHz

50MHz

1.5x

2 & 3

2 & 3

2 & 3

2 & 3

90MHz

60MHz

1.5x

2 & 3

1 & 2

2 & 3

2 & 3

100MHz

66MHz

1.5x

1 & 2

2 & 3

2 & 3

2 & 3

120MHz

60MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

133MHz

66MHz

2x

1 & 2

2 & 3

2 & 3

1 & 2

150MHz

60MHz

2.5x

2 & 3

1 & 2

1 & 2

1 & 2

166MHz

66MHz

2.5x

1 & 2

2 & 3

1 & 2

1 & 2

200MHz

66MHz

3x

1 & 2

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP5

JP13

P54C

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

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

CPU VOLTAGE SELECTION

Voltage

JP18

JP19

JP20

VRE

Closed

Open

Open

STD

Open

Closed

Open

DMA CHANNEL SELECTION

Channel

JP6

JP7

1

Pins 2 & 3 closed

Pins 2 & 3 closed

3

Pins 1 & 2 closed

Pins 1 & 2 closed