INDIANA C-SERIES/S-SERIES Motherboard Settings and Configuration

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

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INDIANA C-SERIES/S-SERIES Motherboard Settings and Configuration

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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 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