AIR486EI Motherboard Settings and Configuration

ADVANCED INTEGRATION RESEARCH, INC.

AIR486EI

Processor
80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed
20/25/33/50(internal)/50/66(internal)MHz
Chip Set
SIS
Max. Onboard DRAM
256MB
Cache
64/128/256/512KB
BIOS
AMI/Phoenix
Dimensions
221mm x 332mm
I/O Options
32-bit VESA local bus slots (3)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Reset switch
J6
Turbo switch
J22
Speaker
J8
Turbo LED
J24/pins 1&2
Power LED & keylock
J9
32-bit VESA local bus slots
S1 - S3

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Monitor type select color
J7
Closed

Monitor type select monochrome
J7
Open

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(1) 256K x 36
NONE
NONE
NONE
2MB
(1) 512K x 36
NONE
NONE
NONE
2MB
(1) 256K x 36
(1) 256K x 36
NONE
NONE
4MB
(1) 256K x 36
(1) 256K x 36
(1) 512K x 36
NONE
4MB
(1) 512K x 36
NONE
(1) 512K x 36
NONE
4MB
(1) 1M x 36
NONE
NONE
NONE
6MB
(1) 256K x 36
(1) 256K x 36
(1) 1M x 36
NONE
6MB
(1) 512K x 36
NONE
(1) 1M x 36
NONE
8MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
8MB
(1) 2M x 36
NONE
NONE
NONE
10MB
(1) 256K x 36
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
10MB
(1) 512K x 36
NONE
(1) 1M x 36
(1) 1M x 36
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
NONE
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
16MB
(1) 2M x 36
NONE
(1) 2M x 36
NONE
16MB
(1) 4M x 36
NONE
NONE
NONE
18MB
(1) 512K x 36
NONE
(1) 4MB x 36
NONE
18MB
(1) 256K x 36
(1) 256K x 36
(1) 4MB x 36
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
32MB
(1) 4M x 36
(1) 4M x 36
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
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 16M x 36
NONE
NONE
NONE
128MB
(1) 16M x 36
(1) 16M x 36
NONE
NONE
192MB
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
NONE
256MB
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36

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

CACHE JUMPER CONFIGURATION
Size
JC1
JC2
JC3
JC4
JC5
JC6
JC7
JP9
64KB
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
2 & 3
128KB
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
1 & 2
2 & 3
1 & 2
256KB
2 & 3
2 & 3
2 & 3
1 & 2
1 & 2
2 & 3
2 & 3
4 & 5
512KB
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type
J1
J2
J3
80486SX
Open
Open
pins 2 & 3 closed
ODP486SX
Closed
pins 2 & 3 closed
pins 1 & 2 closed
80487SX
Closed
pins 2 & 3 closed
pins 1 & 2 closed
80486DX
Closed
pins 1 & 2 closed
pins 2 & 3 closed
80486DX2
Closed
pins 1 & 2 closed
pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed
JO1
JO2
JO3
JO4
JL2
20MHz
Open
Closed
Closed
Closed
Open
25MHz
Closed
Open
Closed
Closed
Open
33MHz
Closed
Closed
Open
Closed
Open
50iMHz
Closed
Open
Closed
Closed
Open
50MHz
Open
Open
Open
Open
Closed
66iMHz
Closed
Closed
Open
Closed
Open

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AIR486EI Motherboard Settings and Configuration

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Processor	80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed	20/25/33/50(internal)/50/66(internal)MHz
Chip Set	SIS
Max. Onboard DRAM	256MB
Cache	64/128/256/512KB
BIOS	AMI/Phoenix
Dimensions	221mm x 332mm
I/O Options	32-bit VESA local bus slots (3)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J6	Turbo switch	J22
Speaker	J8	Turbo LED	J24/pins 1&2
Power LED & keylock	J9	32-bit VESA local bus slots	S1 - S3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	J7	Closed
	Monitor type select monochrome	J7	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	NONE	NONE	NONE
2MB	(1) 512K x 36	NONE	NONE	NONE
2MB	(1) 256K x 36	(1) 256K x 36	NONE	NONE
4MB	(1) 256K x 36	(1) 256K x 36	(1) 512K x 36	NONE
4MB	(1) 512K x 36	NONE	(1) 512K x 36	NONE
4MB	(1) 1M x 36	NONE	NONE	NONE
6MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	NONE
6MB	(1) 512K x 36	NONE	(1) 1M x 36	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
8MB	(1) 2M x 36	NONE	NONE	NONE
10MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
10MB	(1) 512K x 36	NONE	(1) 1M x 36	(1) 1M x 36
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 2M x 36	NONE	(1) 2M x 36	NONE
16MB	(1) 4M x 36	NONE	NONE	NONE
18MB	(1) 512K x 36	NONE	(1) 4MB x 36	NONE
18MB	(1) 256K x 36	(1) 256K x 36	(1) 4MB x 36	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
32MB	(1) 4M x 36	(1) 4M x 36	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
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 16M x 36	NONE	NONE	NONE
128MB	(1) 16M x 36	(1) 16M x 36	NONE	NONE
192MB	(1) 16M x 36	(1) 16M x 36	(1) 16M x 36	NONE
256MB	(1) 16M x 36	(1) 16M x 36	(1) 16M x 36	(1) 16M x 36

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

CACHE JUMPER CONFIGURATION
Size	JC1	JC2	JC3	JC4	JC5	JC6	JC7	JP9
64KB	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	2 & 3
128KB	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2	2 & 3	1 & 2
256KB	2 & 3	2 & 3	2 & 3	1 & 2	1 & 2	2 & 3	2 & 3	4 & 5
512KB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type	J1	J2	J3
80486SX	Open	Open	pins 2 & 3 closed
ODP486SX	Closed	pins 2 & 3 closed	pins 1 & 2 closed
80487SX	Closed	pins 2 & 3 closed	pins 1 & 2 closed
80486DX	Closed	pins 1 & 2 closed	pins 2 & 3 closed
80486DX2	Closed	pins 1 & 2 closed	pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	JO1	JO2	JO3	JO4	JL2
20MHz	Open	Closed	Closed	Closed	Open
25MHz	Closed	Open	Closed	Closed	Open
33MHz	Closed	Closed	Open	Closed	Open
50iMHz	Closed	Open	Closed	Closed	Open
50MHz	Open	Open	Open	Open	Closed
66iMHz	Closed	Closed	Open	Closed	Open