ACER, INC.

AP5CS

DUNNET INTERNATIONAL TRADING COMPANY

Widoshi Pentium 75,90,100,120,133

Processor

Pentium

Processor Speed

75/90/100/120MHz

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Chassis fan power

FAN

Green PC connector

JP4

Parallel port

CN1

Power LED & keylock

JP21 pins 1 - 5

Serial port 2

CN2

Speaker

JP21 pins 7 - 10

Serial port 1

CN3

Turbo LED

JP21 pins 12 - 13

Floppy drive interface

CN4

Turbo switch

JP21 pins 15 - 17

IDE interface (secondary)

CN5

Reset switch

JP21 pins 19 - 20

IDE interface (primary)

CN6

32-bit PCI slots

PC1 - PC4

External battery

JP1

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP2

pins 2 & 3 closed

 

CMOS memory clear

JP2

pins 1 & 2 closed

»

Factory configured - do not alter

JP3

pins 1 & 2 closed

»

Floppy drive interface enabled

JP7

pins 1 & 2 closed

 

Floppy drive interface disabled

JP7

pins 2 & 3 closed

»

Factory configured - do not alter

JP12

pins 2 & 3 closed

»

Factory configured - do not alter

JP18

pins 2 & 3 closed

»

Factory configured - do not alter

JP19

pins 2 & 3 closed

»

Factory configured - do not alter

JP20

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

4MB

(2) 512K x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

8MB

(2) 1M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

20MB

(2) 512K x 36

(2) 2M x 36

32MB

(2) 2M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 4M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

80MB

(2) 2M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

NONE

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP14

JP16

256KB

pins 1 & 2 closed

pins 1 & 2 closed

512KB

pins 1 & 2 closed

pins 2 & 3 closed

1MB

pins 2 & 3 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JP10

JP11

JP17

75MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

90MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

100MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

120MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

BIOS CONFIGURATION

Type

JP13

JP15

Flash

pins 1 & 2 closed

pins 1 & 2 closed

EEPROM

pins 2 & 3 closed

pins 2 & 3 closed

DMA CONFIGURATION

DMA

JP5

JP6

DMA1

pins 2 & 3 closed

pins 2 & 3 closed

DMA3

pins 1 & 2 closed

pins 1 & 2 closed