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1120SX

ACER, INC.

1120SX

Processor

80386SX

Processor Speed

20MHz

Chip Set

Unidentified

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial ports (2), PS/2 mouse interface, VGA port, riser slot

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Keyboard interface

J2

Serial port 2

CN2

PS/2 mouse interface

J3

Parallel port

CN3

Turbo LED

J4

Video board port

CN4

Riser slot

SL1

Reset switch

J5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Key lock enabled

J1

Open

 

Key lock disabled

J1

Closed

On board VGA enabled

J5

Closed

 

On board VGA disabled

J5

Open

Password enabled

J6

pins 1 & 2 closed

 

Password disabled

J6

pins 2 & 3 closed

All disabled

J7

Open

 

0 wait state enabled

J7

pins 1 & 2 closed

 

IRQ9 enabled

J7

pins 2 & 3 closed

All disabled

J8

Open

 

IOCS16 enabled

J8

pins 1 & 2 closed

 

Refresh enabled

J8

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

2MB

NONE

NONE

NONE

4MB

2MB

(2) 1M x 9

NONE

NONE

8MB

2MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

Note: Bank 0 is factory installed and is not configurable.