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INDIANA C-SERIES/S-SERIES

ICL

INDIANA C-SERIES/S-SERIES

Processor

80486SX/80486SX2/80486DX/80486DX2/AM486DX4/80486DX4

Processor Speed

25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz

Chip Set

Acer

Max. Onboard DRAM

36MB

Cache

128/256KB

BIOS

Acer

Dimensions

295mm x 254mm

I/O Options

PS/2 mouse port, parallel port, serial ports (2), VGA port, VGA feature connector, floppy drive interface, IDE interface

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA port

J1

VGA feature connector

J6

Parallel port

J2

IDE interface 1

J7

Serial port 1

J3

IDE interface 2

J8

Serial port 2

J4

Floppy drive interface

J9

PS/2 mouse port

J5

DX4 voltage kit connectors

JPX4 & JPX5

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Normal BIOS startup display

JP1

pins 1 & 2 closed

 

BIOS displays Acer logo

JP1

pins 2 & 3 closed

»

Password enabled

JP2

pins 1 & 2 closed

 

Password disabled

JP2

pins 2 & 3 closed

»

Boot mode select normal boot

JP3

pins 1 & 2 closed

 

Boot mode select mono/COM1 boot

JP3

pins 2 & 3 closed

»

First 8MB of memory enabled

JP4

pins 1 & 2 closed

 

First 8MB of memory disabled

JP4

pins 2 & 3 closed

»

On-board memory enabled

JP5

pins 2 & 3 closed

 

On-board memory disabled

JP5

pins 1 & 2 closed

»

Super I/O chip enabled

JP6

pins 2 & 3 closed

 

Super I/O chip disabled

JP6

pins 1 & 2 closed

»

VGA port enabled

JP9

pins 2 & 3 closed

 

VGA port disabled

JP9

pins 1 & 2 closed

»

IDE address port select 0F4h, 0F8h, and 0FCh

JP10

pins 1 & 2 closed

 

IDE address port select 074h, 078h, and 07Ch

JP10

pins 2 & 3 closed

»

Reset button mode normal

JP28

pins 2 & 3 closed

 

Reset button mode suspend/resume

JP28

pins 1 & 2 closed

»

IDE interface enabled

JP29

pins 2 & 3 closed

 

IDE interface disabled

JP29

pins 1 & 2 closed

»

BIOS type select EPROM

JPX1

pins 2 & 3 closed

 

BIOS type select flash

JPX1

pins 1 & 2 closed

»

Factory configured - do not alter

JPX3

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

4MB

(8) 441000

NONE

NONE

8MB

(8) 441000

(1) 1M x 36

NONE

12MB

(8) 441000

(1) 1M x 36

(1) 1M x 36

20MB

(8) 441000

(1) 4M x 36

NONE

24MB

(8) 441000

(1) 4M x 36

(1) 1M x 36

36MB

(8) 441000

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP30

JP31

128KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JPX2

JP13

JP14

JP15

JP17

80486SX

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

80486SX2

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

80486DX

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

80486DX2

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

AM486DX4

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

80486DX4

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP18

JP19

JP20

JP21

JP22

80486SX

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

80486SX2

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

80486DX

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

80486DX2

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

AM486DX4

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

80486DX4

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP23

JP25

JP26

JP27

JP32

80486SX

2 & 3

2 & 3

2 & 3

3 & 4

1 & 2

80486SX2

2 & 3

2 & 3

2 & 3

3 & 4

1 & 2

80486DX

2 & 3

2 & 3

1 & 2

3 & 4

1 & 2

80486DX2

2 & 3

2 & 3

1 & 2

3 & 4

1 & 2

AM486DX4

2 & 3

2 & 3

2 & 3

3 & 4

1 & 2

80486DX4

2 & 3

2 & 3

2 & 3

3 & 4

1 & 2

Note: Pins designated should be in the closed position. The locations of JP27 & JP32 are unidentified.

CPU SPEED CONFIGURATION

Speed

JP11

JP12

25MHz

pins 1 & 5 closed

pins 2 & 3 closed

33MHz

pins 2 & 6 closed

pins 2 & 3 closed

50iMHz

pins 1 & 5 closed

pins 2 & 3 closed

66iMHz

pins 2 & 6 closed

pins 2 & 3 closed

75iMHz

pins 1 & 5 closed

pins 2 & 3 closed

100iMHz

pins 2 & 6 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION (80486DX4 ONLY)

Speed

JP27

2x

pins 2 & 3 closed

2.5x

pins 1 & 2 closed

3x

pins 3 & 4 closed

CPU VOLTAGE CONFIGURATION (80486DX4-100 ONLY)

Voltage

JMP1

3.45v

pins 1 & 5 closed

3.6v

pins 2 & 6 closed

3.8v

pins 3 & 7 closed

4v

pins 4 & 8 closed

Note: JMP1 is located on the voltage regulator.

PARALLEL PORT DMA CHANNEL CONFIGURATION

» DRQ

DACK

JP7

JP8

»

3

3

pins 1 & 2 closed

pins 1 & 2 closed

»

3

1

pins 1 & 2 closed

pins 2 & 3 closed

»

1

3

pins 2 & 3 closed

pins 1 & 2 closed

»

1

1

pins 2 & 3 closed

pins 2 & 3 closed