486PH REV. 1.0 Motherboard Settings and Configuration

ADVANCED INTEGRATION RESEARCH, INC.

486PH REV. 1.0

Processor
80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/80486DX2/ AM486DX4/80486DX4
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
32-bit VESA local bus slots (2), 32-bit PCI slots (3), green PC connector, IDE interface
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Speaker
J1
Turbo LED
J6
Power LED & keylock
J2
IDE interface
J7
IDE interface LED
J3
Green PC connector
J8
Turbo switch
J4
32-bit PCI slots
PC1 - PC3
Reset switch
J5
32-bit VESA local bus slots
SL1 & SL2

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

CMOS memory clear
JP1
pins 2 & 3 closed
»
Monitor type select monochrome/EGA/VGA
JP2
Open

Monitor type select CGA
JP2
Closed
»
Factory configured - do not alter
JP3
pins 1 & 2 closed
»
Factory configured - do not alter
JP14
pins 1 & 2 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
4MB
(1) 1M x 36
NONE
NONE
NONE
8MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
8MB
(1) 2M x 36
NONE
NONE
NONE
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
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
16MB
(1) 2M x 36
(1) 1M x 36
NONE
(1) 1M x 36
16MB
(1) 2M x 36
(1) 2M x 36
NONE
NONE
16MB
(1) 4M x 36
NONE
NONE
NONE
20MB
(1) 1M x 36
(1) 4M x 36
NONE
NONE
24MB
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
NONE
24MB
(1) 2M x 36
(1) 4M x 36
NONE
NONE
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
32MB
(1) 8M x 36
NONE
NONE
NONE
36MB
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
NONE
40MB
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
40MB
(1) 2M x 36
(1) 4M x 36
NONE
(1) 4M x 36
40MB
(1) 2M x 36
(1) 8M x 36
NONE
NONE
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
JP16
JP23
JP24
JP25
80486SX
Closed
Open
Open
2 & 3
1 & 2
CX486DX (3.3v)
Closed
Closed
Closed
1 & 2
2 & 3
CX486DX (5v)
Closed
Open
Closed
1 & 2
2 & 3
AM486DX
Closed
Open
Closed
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
Open
Closed
1 & 2
2 & 3
AM486DX2
Closed
Open
Open
1 & 2
2 & 3
80486DX2
Closed
Open
Open
1 & 2
1 & 2
AM486DX4
Closed
Open
Closed
1 & 2
2 & 3
80486DX4
Closed
Open
Open
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed
JP6
JP19
JP20
JP21
25MHz
pins 2 & 3 closed
Closed
Open
Open
33MHz
pins 1 & 2 closed
Open
Closed
Closed
50iMHz
pins 2 & 3 closed
Closed
Open
Open
66iMHz
pins 1 & 2 closed
Open
Closed
Closed
75iMHz
pins 2 & 3 closed
Closed
Open
Open
100iMHz
pins 1 & 2 closed
Open
Closed
Closed

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486PH REV. 1.0 Motherboard Settings and Configuration

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Processor	80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/80486DX2/ AM486DX4/80486DX4
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	32-bit VESA local bus slots (2), 32-bit PCI slots (3), green PC connector, IDE interface
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J1	Turbo LED	J6
Power LED & keylock	J2	IDE interface	J7
IDE interface LED	J3	Green PC connector	J8
Turbo switch	J4	32-bit PCI slots	PC1 - PC3
Reset switch	J5	32-bit VESA local bus slots	SL1 & SL2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	JP1	pins 1 & 2 closed
	CMOS memory clear	JP1	pins 2 & 3 closed
»	Monitor type select monochrome/EGA/VGA	JP2	Open
	Monitor type select CGA	JP2	Closed
»	Factory configured - do not alter	JP3	pins 1 & 2 closed
»	Factory configured - do not alter	JP14	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(1) 1M x 36	NONE	NONE	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
8MB	(1) 2M x 36	NONE	NONE	NONE
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
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 2M x 36	(1) 1M x 36	NONE	(1) 1M x 36
16MB	(1) 2M x 36	(1) 2M x 36	NONE	NONE
16MB	(1) 4M x 36	NONE	NONE	NONE
20MB	(1) 1M x 36	(1) 4M x 36	NONE	NONE
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	NONE
24MB	(1) 2M x 36	(1) 4M x 36	NONE	NONE
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
32MB	(1) 8M x 36	NONE	NONE	NONE
36MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	NONE
40MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36
40MB	(1) 2M x 36	(1) 4M x 36	NONE	(1) 4M x 36
40MB	(1) 2M x 36	(1) 8M x 36	NONE	NONE
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	JP16	JP23	JP24	JP25
80486SX	Closed	Open	Open	2 & 3	1 & 2
CX486DX (3.3v)	Closed	Closed	Closed	1 & 2	2 & 3
CX486DX (5v)	Closed	Open	Closed	1 & 2	2 & 3
AM486DX	Closed	Open	Closed	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	Open	Closed	1 & 2	2 & 3
AM486DX2	Closed	Open	Open	1 & 2	2 & 3
80486DX2	Closed	Open	Open	1 & 2	1 & 2
AM486DX4	Closed	Open	Closed	1 & 2	2 & 3
80486DX4	Closed	Open	Open	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed	JP6	JP19	JP20	JP21
25MHz	pins 2 & 3 closed	Closed	Open	Open
33MHz	pins 1 & 2 closed	Open	Closed	Closed
50iMHz	pins 2 & 3 closed	Closed	Open	Open
66iMHz	pins 1 & 2 closed	Open	Closed	Closed
75iMHz	pins 2 & 3 closed	Closed	Open	Open
100iMHz	pins 1 & 2 closed	Open	Closed	Closed