486PI REV. 1.20 Motherboard Settings and Configuration

ADVANCED INTEGRATION RESEARCH, INC.

486PI REV. 1.20

Processor
80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/80486DX2/ AM486DX4/80486DX4/Pentium Overdrive
Processor Speed
25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set
Intel
Max. Onboard DRAM
64MB
Cache
128/256/512KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
Parallel port, serial ports (2), 32-bit VESA local bus slots (2), 32-bit PCI slots (3), floppy drive interface, IDE interface
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Floppy drive interface
CN1
Speaker
J3
Parallel port
CN2
Turbo switch
J4
IDE interface
CN3
Turbo LED
J5
Serial port 1
CN4
Reset switch
J6
Serial port 2
CN5
32-bit PCI slots
PC1 - PC3
Power LED & keylock
J1
32-bit VESA local bus slots
SL1 & SL2
IDE interface LED
J2

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
CMOS memory normal operation
JP1
pins 1 & 2 closed

CMOS memory clear
JP1
pins 2 & 3 closed
»
Parallel port IRQ select IRQ7
JP3
pins 1 & 2 closed

Parallel port IRQ select IRQ5
JP3
pins 2 & 3 closed
»
Monitor type select monochrome/EGA/VGA
JP5
Open

Monitor type select CGA
JP5
Closed
»
Factory configured - do not alter
JP17
Open
»
Factory configured - do not alter
JP29
Open

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
2MB
(1) 256K x 36
(1) 256K x 36
NONE
NONE
2MB
(1) 512K x 36
NONE
NONE
NONE
3MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
NONE
3MB
(1) 512K x 36
(1) 256K x 36
NONE
NONE
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
4MB
(1) 512K x 36
(1) 512K x 36
NONE
NONE
4MB
(1) 512K x 36
(1) 256K x 36
NONE
(1) 256K x 36
5MB
(1) 256K x 36
(1) 1M x 36
NONE
NONE
5MB
(1) 512K x 36
(1) 512K x 36
NONE
(1) 256K x 36
6MB
(1) 512K x 36
(1) 1M x 36
NONE
NONE
8MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
8MB
(1) 2M x 36
NONE
NONE
NONE
9MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
NONE
9MB
(1) 2M x 36
(1) 256K x 36
NONE
NONE
10MB
(1) 512K x 36
(1) 2M x 36
NONE
NONE
10MB
(1) 512K x 36
(1) 1M x 36
NONE
(1) 1M x 36
10MB
(1) 2M x 36
(1) 256K x 36
NONE
(1) 256K x 36
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
NONE
12MB
(1) 2M x 36
(1) 1M x 36
NONE
NONE
13MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
14MB
(1) 512K x 36
(1) 2M x 36
NONE
(1) 1M x 36
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
16MB
(1) 2M x 36
(1) 2M x 36
NONE
NONE
16MB
(1) 2M x 36
(1) 1M x 36
NONE
(1) 1M x 36
16MB
(1) 4M x 36
NONE
NONE
NONE
17MB
(1) 4M x 36
(1) 256K x 36
NONE
NONE
18MB
(1) 4M x 36
(1) 256K x 36
NONE
(1) 256K x 36
20MB
(1) 4M x 36
(1) 1M x 36
NONE
NONE
24MB
(1) 4M x 36
(1) 1M x 36
NONE
(1) 1M x 36
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
32MB
(1) 8M x 36
NONE
NONE
NONE
33MB
(1) 8M x 36
(1) 256K x 36
NONE
NONE
34MB
(1) 8M x 36
(1) 256K x 36
NONE
(1) 256K x 36

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
36MB
(1) 8M x 36
(1) 1M x 36
NONE
NONE
40MB
(1) 8M x 36
(1) 1M x 36
NONE
(1) 1M x 36
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
NONE
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 8M x 36
(1) 8M x 36
NONE
NONE

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
128KB
(4) 32K x 8
NONE
(2) 32K x 8
256KB
(4) 32K x 8
(4) 32K x 8
(2) 32K x 8
256KB
(4) 64K x 8
NONE
(2) 32K x 8
512KB
(4) 128K x 8
NONE
(2) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JP8
JP9
JP11
JP12
128KB
Closed
Open
Open
Open
256KB
Open
Closed
Closed
Open
256KB
Closed
Open
Closed
Open
512KB
Closed
Open
Closed
Closed

CPU TYPE CONFIGURATION
Type
JP10
JP25
JP27
JP28
JP30
80486SX
Closed
Open
Open
2 & 3
1 & 2
CX486DX (3.3v)
Closed
Closed
Closed
1 & 2
2 & 3
CX486DX (5v)
Closed
Closed
Open
1 & 2
2 & 3
AM486DX
Closed
Closed
Open
1 & 2
2 & 3
80486DX
Closed
Open
Open
1 & 2
1 & 2
CX486DX2 (3.3v)
Closed
Closed
Closed
1 & 2
2 & 3
CX486DX2 (5v)
Closed
Closed
Open
1 & 2
2 & 3
AM486DX2
Closed
Open
Open
1 & 2
2 & 3
80486DX2
Closed
Open
Open
1 & 2
1 & 2
AM486DX4
Closed
Closed
Open
1 & 2
2 & 3
80486DX4
Closed
Open
Open
1 & 2
1 & 2
P24T
Closed
Open
Open
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed
JP19
JP20
JP21
JP22
25MHz
Closed
Open
Open
pins 2 & 3 closed
33MHz
Open
Closed
Closed
Closed
50iMHz
Closed
Open
Open
pins 2 & 3 closed
66iMHz
Open
Closed
Closed
Closed
75iMHz
Closed
Open
Open
pins 2 & 3 closed
100iMHz
Open
Closed
Closed
Closed

DMA/ECP CONFIGURATION
Setting
JP4
JP6
JP7
Disabled
Open
Open
pins 1 & 2 closed
ECP enabled DMA 1
pins 2 & 3 closed
pins 2 & 3 closed
pins 2 & 3 closed
ECP enabled DMA 3
pins 1 & 2 closed
pins 1 & 2 closed
pins 2 & 3 closed

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Processor	80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/80486DX2/ AM486DX4/80486DX4/Pentium Overdrive
Processor Speed	25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set	Intel
Max. Onboard DRAM	64MB
Cache	128/256/512KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	Parallel port, serial ports (2), 32-bit VESA local bus slots (2), 32-bit PCI slots (3), floppy drive interface, IDE interface
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Floppy drive interface	CN1	Speaker	J3
Parallel port	CN2	Turbo switch	J4
IDE interface	CN3	Turbo LED	J5
Serial port 1	CN4	Reset switch	J6
Serial port 2	CN5	32-bit PCI slots	PC1 - PC3
Power LED & keylock	J1	32-bit VESA local bus slots	SL1 & SL2
IDE interface LED	J2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	JP1	pins 1 & 2 closed
	CMOS memory clear	JP1	pins 2 & 3 closed
»	Parallel port IRQ select IRQ7	JP3	pins 1 & 2 closed
	Parallel port IRQ select IRQ5	JP3	pins 2 & 3 closed
»	Monitor type select monochrome/EGA/VGA	JP5	Open
	Monitor type select CGA	JP5	Closed
»	Factory configured - do not alter	JP17	Open
»	Factory configured - do not alter	JP29	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
2MB	(1) 256K x 36	(1) 256K x 36	NONE	NONE
2MB	(1) 512K x 36	NONE	NONE	NONE
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	NONE
3MB	(1) 512K x 36	(1) 256K x 36	NONE	NONE
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB	(1) 512K x 36	(1) 512K x 36	NONE	NONE
4MB	(1) 512K x 36	(1) 256K x 36	NONE	(1) 256K x 36
5MB	(1) 256K x 36	(1) 1M x 36	NONE	NONE
5MB	(1) 512K x 36	(1) 512K x 36	NONE	(1) 256K x 36
6MB	(1) 512K x 36	(1) 1M x 36	NONE	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
8MB	(1) 2M x 36	NONE	NONE	NONE
9MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	NONE
9MB	(1) 2M x 36	(1) 256K x 36	NONE	NONE
10MB	(1) 512K x 36	(1) 2M x 36	NONE	NONE
10MB	(1) 512K x 36	(1) 1M x 36	NONE	(1) 1M x 36
10MB	(1) 2M x 36	(1) 256K x 36	NONE	(1) 256K x 36
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
12MB	(1) 2M x 36	(1) 1M x 36	NONE	NONE
13MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
14MB	(1) 512K x 36	(1) 2M x 36	NONE	(1) 1M x 36
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 2M x 36	(1) 2M x 36	NONE	NONE
16MB	(1) 2M x 36	(1) 1M x 36	NONE	(1) 1M x 36
16MB	(1) 4M x 36	NONE	NONE	NONE
17MB	(1) 4M x 36	(1) 256K x 36	NONE	NONE
18MB	(1) 4M x 36	(1) 256K x 36	NONE	(1) 256K x 36
20MB	(1) 4M x 36	(1) 1M x 36	NONE	NONE
24MB	(1) 4M x 36	(1) 1M x 36	NONE	(1) 1M x 36
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
32MB	(1) 8M x 36	NONE	NONE	NONE
33MB	(1) 8M x 36	(1) 256K x 36	NONE	NONE
34MB	(1) 8M x 36	(1) 256K x 36	NONE	(1) 256K x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
36MB	(1) 8M x 36	(1) 1M x 36	NONE	NONE
40MB	(1) 8M x 36	(1) 1M x 36	NONE	(1) 1M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	NONE
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 8M x 36	(1) 8M x 36	NONE	NONE

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	NONE	(2) 32K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(2) 32K x 8
256KB	(4) 64K x 8	NONE	(2) 32K x 8
512KB	(4) 128K x 8	NONE	(2) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP8	JP9	JP11	JP12
128KB	Closed	Open	Open	Open
256KB	Open	Closed	Closed	Open
256KB	Closed	Open	Closed	Open
512KB	Closed	Open	Closed	Closed

CPU TYPE CONFIGURATION
Type	JP10	JP25	JP27	JP28	JP30
80486SX	Closed	Open	Open	2 & 3	1 & 2
CX486DX (3.3v)	Closed	Closed	Closed	1 & 2	2 & 3
CX486DX (5v)	Closed	Closed	Open	1 & 2	2 & 3
AM486DX	Closed	Closed	Open	1 & 2	2 & 3
80486DX	Closed	Open	Open	1 & 2	1 & 2
CX486DX2 (3.3v)	Closed	Closed	Closed	1 & 2	2 & 3
CX486DX2 (5v)	Closed	Closed	Open	1 & 2	2 & 3
AM486DX2	Closed	Open	Open	1 & 2	2 & 3
80486DX2	Closed	Open	Open	1 & 2	1 & 2
AM486DX4	Closed	Closed	Open	1 & 2	2 & 3
80486DX4	Closed	Open	Open	1 & 2	1 & 2
P24T	Closed	Open	Open	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed	JP19	JP20	JP21	JP22
25MHz	Closed	Open	Open	pins 2 & 3 closed
33MHz	Open	Closed	Closed	Closed
50iMHz	Closed	Open	Open	pins 2 & 3 closed
66iMHz	Open	Closed	Closed	Closed
75iMHz	Closed	Open	Open	pins 2 & 3 closed
100iMHz	Open	Closed	Closed	Closed

DMA/ECP CONFIGURATION
Setting	JP4	JP6	JP7
Disabled	Open	Open	pins 1 & 2 closed
ECP enabled DMA 1	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed
ECP enabled DMA 3	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed