ACER, INC.

AP5C/P

Processor

Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

AMI

Dimensions

330mm x 220mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Chassis fan power

CN14

Serial port 1

CN2

Power LED & keylock

CN15 pins 1 - 5

Serial port 2

CN3

Speaker

CN15 pins 7 - 10

Floppy drive interface

CN4

Turbo/green PC LED

CN15 pins 12 - 13

IDE interface 1

CN5

Green PC connector

CN15 pins 15 - 17

IDE interface 2

CN6

Reset switch

CN15 pins 19 & 20

PS/2 mouse port

CN7

32-bit PCI slots

PC1 - PC4

IDE interface LED

CN8

Cache slot

SL1

Chassis fan power

CN13

   

Note: If connector for CN8 is 12-pin, connect red wire to pin 11.

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

On board I/O controller enabled

JP3

Pins 1 & 2 closed

 

On board I/O controller disabled

JP3

Pins 2 & 3 closed

 

PS/2 mouse enabled

JP4

Closed

 

PS/2 mouse disabled

JP4

Open

»

Flash BIOS voltage select 5v

JP9

Pins 1 & 2 closed

 

Flash BIOS voltage select 12v

JP9

Pins 2 & 3 closed

 

Jumper information unidentified

JP10

Unidentified

»

CMOS memory normal operation

JP12

Pins 1 & 2 closed

 

CMOS memory clear

JP12

Pins 2 & 3 closed

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) 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

Note: Board also accepts x 32 SIMMs.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

SL1

256KB (A)

(4) 32K x 8

(4) 32K x 8

(1) 16K/32K x 8

Not installed

256KB (B)

None

None

None

Installed

512KB

(4) 64K x 8

(4) 64K x 8

(1) 16K/32K x 8

Not installed

CACHE JUMPER CONFIGURATION

Size

JP7

256KB (A)

Pins 1 & 2 closed

256KB (B)

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

JP5

JP6

JP8

75MHz

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2, 3 & 4 closed

90MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

100MHz

Pins 2 & 3 closed

Pins 3 & 4 closed

Pins 1 & 2, 3 & 4 closed

120MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 3 & 4, 5 & 6 closed

133MHz

Pins 2 & 3 closed

Pins 3 & 4 closed

Pins 3 & 4, 5 & 6 closed

150MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 5 & 6, 7 & 8 closed

166MHz

Pins 2 & 3 closed

Pins 3 & 4 closed

Pins 5 & 6, 7 & 8 closed

DMA CHANNEL SELECTION

Channel

JP1

JP2

1

Pins 2 & 3 closed

Pins 2 & 3 closed

3

Pins 1 & 2 closed

Pins 1 & 2 closed