ACER, INC.

SYSTEM 915P (II)

Processor

80286

Processor Speed

10/12/16/20MHz

Chip Set

ALI

Max. onboard DRAM

5MB

Cache

None

BIOS

Acer

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2), Video port

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

Video port

CN4

Serial port

CN2

Floppy drive interface

CN5

Serial port

CN3

IDE interface

CN6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Disable main PCB video module connector

AJ1-AJ5

pins 2 & 3 closed

 

Enable main PCB video module connector

AJ1-AJ5

pins 1 & 2 closed

»

Keylock disabled

JP1

Closed

 

Keylock enabled

JP1

Open

»

Parity enabled

JP11

pins 1 & 2 closed

 

Parity disabled

JP11

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

P0

P1

512KB

(4) 44256

NONE

NONE

NONE

(2) 41256

NONE

640KB

(4) 44256

(4) 4464

NONE

NONE

(2) 41256

(2) 4164

1MB

(4) 44256

(4) 44256

NONE

NONE

(2) 41256

(2) 41256

2MB

(4) 44256

(4) 44256

(2) 256K x 9

(4) 256K x 9

(2) 41256

(2) 41256

5MB

(4) 44256

(4) 44256

(2) 1M x 9

(2) 1M x 9

(2) 41256

(2) 41256

Note:Parity chips are required only when parity is enabled.

VIDEO MODULE CONFIGURATION

Display

SW1/switch 1

SW1/switch 2

SW1/switch 3

SW1/switch 4

Hercules

Off

Off

On

On

CGA emulation

On

Off

On

On

CGA

Off

On

On

On

Disabled

Off

Off

Off

Off