ACER, INC.

AP5C

Processor

Pentium

Processor Speed

75/90/100/120/133MHz

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

256/512KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Chassis fan power

CN12

Serial port 1

CN2

Power LED & keylock

CN14 pins 1 - 5

Serial port 2

CN3

Speaker

CN14 pins 7 - 10

Floppy drive interface

CN4

Green PC LED

CN14 pins 12 - 13

IDE interface 2

CN5

Green PC connector

CN14 pins 15 - 17

IDE interface 1

CN6

Reset switch

CN14 pins 19- 20

IDE interface LED

CN7

32-bit PCI slots

PC1 - PC4

Chassis fan power

CN11

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

On board I/O enabled

JP5

pins 1 & 2 closed

 

On board I/O disabled

JP5

pins 2 & 3 closed

»

PS/2 mouse enabled (mouse is optional & may not be present)

JP6

Closed

 

PS/2 mouse disabled (mouse is optional & may not be present)

JP6

Open

 

Flash BIOS voltage select 5v

JP13

pins 1 & 2 closed

 

Flash BIOS voltage select 12v

JP13

pins 2 & 3 closed

»

CMOS memory normal operation

JP15

pins 1 & 2 closed

 

CMOS memory clear

JP15

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x 36

NONE

NONE

16MB

(2) 1M x 36

(2) 1M x 36

NONE

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 1M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 2M x 36

NONE

32MB

(2) 4M x 36

NONE

NONE

40MB

(2) 2M x 36

(2) 2M x 36

(2) 1M x 36

40MB

(2) 4M x 36

(2) 1M x 36

NONE

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

NONE

56MB

(2) 4M x 36

(2) 2M x 36

(2) 1M x 36

64MB

(2) 4M x 36

(2) 4M x 36

NONE

64MB

(2) 8M x 36

NONE

NONE

72MB

(2) 8M x 36

(2) 1M x 36

NONE

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

NONE

88MB

(2) 8M x 36

(2) 2M x 36

(2) 1M x 36

96MB

(2) 8M x 36

(2) 4M x 36

NONE

104MB

(2) 8M x 36

(2) 4M x 36

(2) 1M x 36

112MB

(2) 8M x 36

(2) 2M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

NONE

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 32K x 8

512KB

(8) 64K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP12

256KB

pins 1 & 2 closed

512KB

pins 2 & 3 closed

CACHE VOLTAGE JUMPER CONFIGURATION

Type

JP14

JP16

3.3v

All Off

All On

3.3v/5v

All On

All Off

CPU SPEED CONFIGURATION

Speed

JP9

JP10

JP11

75MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

90MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

100MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 3 & 4 closed

120MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

133MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 3 & 4 closed

DMA CONFIGURATION

DMA

JP3

JP4

DMA 1

pins 2 & 3 closed

pins 2 & 3 closed

DMA 3

pins 1 & 2 closed

pins 1 & 2 closed