AL486 VIO-U3/VIO-I Motherboard Settings and Configuration

ELITEGROUP COMPUTER SYSTEMS, INC.

AL486 VIO-U3/VIO-I

Processor
CXM6/80486SX/SL80486SX/80486SX2/SL80486SX2/80487SX/ CX486DX/AM486DX/AM486DXL/80486DX/SL8046DX/CX486DX2/ AM486DX2/AM486DXL2/80486DX2/SL80486DX2/8046DX4
Processor Speed
25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set
Acer
Maximum Onboard Memory
64MB
Cache
64/128/256KB
BIOS
Phoenix
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slot, floppy drive interface, green PC connector, IDE interface, parallel port, PS/2 mouse port, serial ports (2), feature connector, VGA port, riser slot, modem ring in connector
NPU Options
None

CONNECTIONS
Function
Label
Function
Label
Parallel port
J1
Modem ring in connector
JP8
Serial port 2
J2
Green PC connector
JP9
Serial port 1
J3
Turbo LED
JP85
VGA port
J4
Turbo switch
JP86
External battery
J5
Reset switch
JP87
Feature connector
J7
Speaker
JP88
IDE interface
J9
IDE interface LED
JP89
Floppy drive interface
J10
Riser slot
SL1
Power LED & keylock
J11
32-bit VESA local bus slot
SL2
PS/2 mouse port
JP2

USER CONFIGURABLE SETTINGS
Setting
Label
Position

BIOS type select EPROM
JP4
Open

Flash BIOS voltage select 12v
JP4
Pins 1 & 2 closed

Flash BIOS voltage select 5v
JP4
Pins 2 & 3 closed

Monitor type select normal
JP5
Pins 1 & 2 closed

Monitor type select CGA
JP5
Pins 2 & 3 closed

On board VGA enabled
JP6
Pins 1 & 2 closed

On board VGA disabled
JP6
Pins 2 & 3 closed

On board I/O enabled
JP12
Pins 1 & 2 closed

On board I/O disabled
JP12
Pins 2 & 3 closed

EPP & ECP enabled
JP21
Closed

EPP & ECP disabled
JP21
Open

Parallel port IRQ select IRQ7
JP24
Pins 1 & 2 closed

Parallel port IRQ select IRQ5
JP24
Pins 2 & 3 closed

IDE interface enabled
JP50
Pins 1 & 2 closed

IDE interface disabled
JP50
Pins 2 & 3 closed
»
Factory configured - do not alter
JP76
Open
»
Factory configured - do not alter
JP77
Open
»
Factory configured - do not alter
JP99
N/A
Note: The location of JP76 & JP77 are unidentified.

DRAM
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(1) 256K x 36
None
None
None
2MB
(1) 256K x 36
(1) 256K x 36
None
None
3MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
None
4MB
(1) 1M x 36
None
None
None
4MB
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
None
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
5MB
(1) 1M x 36
(1) 256K x 36
None
None
5MB
(1) 256K x 36
(1) 1M x 36
None
None
6MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
None
7MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
8MB
(1) 1M x 36
(1) 1M x 36
None
None
9MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
None
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
None
13MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
16MB
(1) 4M x 36
None
None
None
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
17MB
(1) 4M x 36
(1) 256K x 36
None
None
17MB
(1) 256K x 36
(1) 4M x 36
None
None
18MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
None
19MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
20MB
(1) 4M x 36
(1) 1M x 36
None
None
20MB
(1) 1M x 36
(1) 4M x 36
None
None
24MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
None
28MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
32MB
(1) 4M x 36
(1) 4M x 36
None
None
33MB
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
None
36MB
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
None
49MB
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
52MB
(1) 1M x 36
(1) 4M 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
Note: The orientation of the banks is unidentified.

CACHE SIZE
Size
Bank 0
Bank 1
TAG
64KB
(4) 8K x 8
(4) 8K x 8
(1) 8K x 8
128KB
(4) 32K x 8
None
(1) 8K x 8
256KB
(4) 32K x 8
(4) 32K x 8
(1) 32K x 8

CACHE JUMPER
Size
JP41
JP74
JP75
64KB
Open
Open
Pins 1 & 2 closed
128KB
Pins 1 & 2 closed
Closed
Pins 2 & 3 closed
256KB
Pins 1 & 2, 3 & 4 closed
Closed
Pins 1 & 2 closed

CPU TYPE
Setting
JP54
JP60
JP61
JP62
JP63
CXM6
Closed
Open
1 & 2
Open
3 & 4
80486SX
Open
Open
2 & 3
Open
Open
SL80486SX
Closed
Open
1 & 2
Closed
1 & 2
80486SX2
Open
Open
2 & 3
Open
Open
SL80486SX2
Closed
Open
1 & 2
Closed
1 & 2
80487SX
Open
1 & 2
2 & 3
Open
Open
CX486DX
Closed
2 & 3
1 & 2
Open
3 & 4
AM486DX
Open
2 & 3
2 & 3
Open
Open
AM486DXL
Closed
2 & 3
2 & 3
Closed
5 & 6
80486DX
Open
2 & 3
2 & 3
Open
Open
SL80486DX
Closed
2 & 3
1 & 2
Closed
1 & 2
CX486DX2
Closed
2 & 3
1 & 2
Open
3 & 4
AM486DX2
Open
2 & 3
2 & 3
Open
Open
AM486DXL2
Closed
2 & 3
2 & 3
Closed
5 & 6
80486DX2
Open
2 & 3
2 & 3
Open
Open
SL80486DX2
Closed
2 & 3
1 & 2
Closed
1 & 2
80486DX4
Closed
2 & 3
1 & 2
Closed
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE (CON’T)
Setting
JP64
JP66
JP70
JP73
CXM6
2 & 3
1 & 2
Open
3 & 4
80486SX
2 & 3
1 & 2
Open
Open
SL80486SX
2 & 3
1 & 2
Open
1 & 2
80486SX2
2 & 3
1 & 2
Open
Open
SL80486SX2
2 & 3
1 & 2
Open
1 & 2
80487SX
1 & 2, 3 & 4
1 & 2
Open
Open
CX486DX
1 & 2, 3 & 4
1 & 2
Open
3 & 4
AM486DX
1 & 2, 3 & 4
1 & 2
Open
Open
AM486DXL
1 & 2, 3 & 4
1 & 2
Open
5 & 6
80486DX
1 & 2, 3 & 4
1 & 2
Open
Open
SL80486DX
1 & 2, 3 & 4
1 & 2
Open
1 & 2
CX486DX2
1 & 2, 3 & 4
1 & 2
Closed
3 & 4
AM486DX2
1 & 2, 3 & 4
1 & 2
Open
Open
AM486DXL2
1 & 2, 3 & 4
1 & 2
Open
5 & 6
80486DX2
1 & 2, 3 & 4
1 & 2
Open
Open
SL80486DX2
1 & 2, 3 & 4
1 & 2
Open
1 & 2
80486DX4
1 & 2, 3 & 4
1 & 2
Open
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE
Setting
JP40
JP42
JP44
CX486M6
Closed
Open
Closed
CX486M7
Open
Open
Closed
AMD
Open
Open
Open
Intel
Open
Open
Open

CPU TYPE
Setting
JP65
JP82
CX486M6/M7
Pins 2 & 3 closed
Pins 2 & 3 closed
AMD
Open
Pins 1 & 2 closed
Intel
Open
Open

CPU TYPE
Setting
JP83
All CPU types
Pins 1 & 2 closed
80486DX4 only
Pins 2 & 3 closed

CPU TYPE (80486DX4 ONLY)
Setting
JP81
2x
Pins 2 & 3 closed
3x
Open

CPU SPEED
Setting
JP37
JP43
JP53
JP55
25MHz
Pins 1 & 2, 5 & 6 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
33MHz
Pins 3 & 4, 5 & 6 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
40MHz
Pins 1 & 2, 3 & 4 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
50iMHz
Pins 1 & 2, 5 & 6 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
66iMHz
Pins 3 & 4, 5 & 6 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
75iMHz
Pins 1 & 2, 5 & 6 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
100iMHz
Pins 3 & 4, 5 & 6 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed

CPU VOLTAGE
Setting
JP67
JP79
JP80
JP84
3.3v
Pins 2 & 3 closed
Open
Open
Closed
3.45v
Pins 2 & 3 closed
Closed
Open
Open
5v
Pins 1 & 2 closed
Open
Closed
Open

DMA CHANNEL
Setting
JP15
JP16
DMA1
Pins 2 & 3 closed
Pins 1 & 2 closed
DMA3
Pins 1 & 2 closed
Pins 2 & 3 closed

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AL486 VIO-U3/VIO-I Motherboard Settings and Configuration

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Processor	CXM6/80486SX/SL80486SX/80486SX2/SL80486SX2/80487SX/ CX486DX/AM486DX/AM486DXL/80486DX/SL8046DX/CX486DX2/ AM486DX2/AM486DXL2/80486DX2/SL80486DX2/8046DX4
Processor Speed	25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set	Acer
Maximum Onboard Memory	64MB
Cache	64/128/256KB
BIOS	Phoenix
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slot, floppy drive interface, green PC connector, IDE interface, parallel port, PS/2 mouse port, serial ports (2), feature connector, VGA port, riser slot, modem ring in connector
NPU Options	None

CONNECTIONS
Function	Label	Function	Label
Parallel port	J1	Modem ring in connector	JP8
Serial port 2	J2	Green PC connector	JP9
Serial port 1	J3	Turbo LED	JP85
VGA port	J4	Turbo switch	JP86
External battery	J5	Reset switch	JP87
Feature connector	J7	Speaker	JP88
IDE interface	J9	IDE interface LED	JP89
Floppy drive interface	J10	Riser slot	SL1
Power LED & keylock	J11	32-bit VESA local bus slot	SL2
PS/2 mouse port	JP2

USER CONFIGURABLE SETTINGS
Setting		Label	Position
	BIOS type select EPROM	JP4	Open
	Flash BIOS voltage select 12v	JP4	Pins 1 & 2 closed
	Flash BIOS voltage select 5v	JP4	Pins 2 & 3 closed
	Monitor type select normal	JP5	Pins 1 & 2 closed
	Monitor type select CGA	JP5	Pins 2 & 3 closed
	On board VGA enabled	JP6	Pins 1 & 2 closed
	On board VGA disabled	JP6	Pins 2 & 3 closed
	On board I/O enabled	JP12	Pins 1 & 2 closed
	On board I/O disabled	JP12	Pins 2 & 3 closed
	EPP & ECP enabled	JP21	Closed
	EPP & ECP disabled	JP21	Open
	Parallel port IRQ select IRQ7	JP24	Pins 1 & 2 closed
	Parallel port IRQ select IRQ5	JP24	Pins 2 & 3 closed
	IDE interface enabled	JP50	Pins 1 & 2 closed
	IDE interface disabled	JP50	Pins 2 & 3 closed
»	Factory configured - do not alter	JP76	Open
»	Factory configured - do not alter	JP77	Open
»	Factory configured - do not alter	JP99	N/A
Note: The location of JP76 & JP77 are unidentified.

DRAM
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	None	None	None
2MB	(1) 256K x 36	(1) 256K x 36	None	None
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	None
4MB	(1) 1M x 36	None	None	None
4MB	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36	None
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
5MB	(1) 1M x 36	(1) 256K x 36	None	None
5MB	(1) 256K x 36	(1) 1M x 36	None	None
6MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	None
7MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
8MB	(1) 1M x 36	(1) 1M x 36	None	None
9MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	None
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	None
13MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 4M x 36	None	None	None
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
17MB	(1) 4M x 36	(1) 256K x 36	None	None
17MB	(1) 256K x 36	(1) 4M x 36	None	None
18MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	None
19MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
20MB	(1) 4M x 36	(1) 1M x 36	None	None
20MB	(1) 1M x 36	(1) 4M x 36	None	None
24MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	None
28MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
32MB	(1) 4M x 36	(1) 4M x 36	None	None
33MB	(1) 256K x 36	(1) 4M x 36	(1) 4M x 36	None
36MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	None
49MB	(1) 256K x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
52MB	(1) 1M x 36	(1) 4M 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
Note: The orientation of the banks is unidentified.

CACHE SIZE
Size	Bank 0	Bank 1	TAG
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8
128KB	(4) 32K x 8	None	(1) 8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8

CACHE JUMPER
Size	JP41	JP74	JP75
64KB	Open	Open	Pins 1 & 2 closed
128KB	Pins 1 & 2 closed	Closed	Pins 2 & 3 closed
256KB	Pins 1 & 2, 3 & 4 closed	Closed	Pins 1 & 2 closed

CPU TYPE
Setting	JP54	JP60	JP61	JP62	JP63
CXM6	Closed	Open	1 & 2	Open	3 & 4
80486SX	Open	Open	2 & 3	Open	Open
SL80486SX	Closed	Open	1 & 2	Closed	1 & 2
80486SX2	Open	Open	2 & 3	Open	Open
SL80486SX2	Closed	Open	1 & 2	Closed	1 & 2
80487SX	Open	1 & 2	2 & 3	Open	Open
CX486DX	Closed	2 & 3	1 & 2	Open	3 & 4
AM486DX	Open	2 & 3	2 & 3	Open	Open
AM486DXL	Closed	2 & 3	2 & 3	Closed	5 & 6
80486DX	Open	2 & 3	2 & 3	Open	Open
SL80486DX	Closed	2 & 3	1 & 2	Closed	1 & 2
CX486DX2	Closed	2 & 3	1 & 2	Open	3 & 4
AM486DX2	Open	2 & 3	2 & 3	Open	Open
AM486DXL2	Closed	2 & 3	2 & 3	Closed	5 & 6
80486DX2	Open	2 & 3	2 & 3	Open	Open
SL80486DX2	Closed	2 & 3	1 & 2	Closed	1 & 2
80486DX4	Closed	2 & 3	1 & 2	Closed	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE (CON’T)
Setting	JP64	JP66	JP70	JP73
CXM6	2 & 3	1 & 2	Open	3 & 4
80486SX	2 & 3	1 & 2	Open	Open
SL80486SX	2 & 3	1 & 2	Open	1 & 2
80486SX2	2 & 3	1 & 2	Open	Open
SL80486SX2	2 & 3	1 & 2	Open	1 & 2
80487SX	1 & 2, 3 & 4	1 & 2	Open	Open
CX486DX	1 & 2, 3 & 4	1 & 2	Open	3 & 4
AM486DX	1 & 2, 3 & 4	1 & 2	Open	Open
AM486DXL	1 & 2, 3 & 4	1 & 2	Open	5 & 6
80486DX	1 & 2, 3 & 4	1 & 2	Open	Open
SL80486DX	1 & 2, 3 & 4	1 & 2	Open	1 & 2
CX486DX2	1 & 2, 3 & 4	1 & 2	Closed	3 & 4
AM486DX2	1 & 2, 3 & 4	1 & 2	Open	Open
AM486DXL2	1 & 2, 3 & 4	1 & 2	Open	5 & 6
80486DX2	1 & 2, 3 & 4	1 & 2	Open	Open
SL80486DX2	1 & 2, 3 & 4	1 & 2	Open	1 & 2
80486DX4	1 & 2, 3 & 4	1 & 2	Open	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE
Setting	JP40	JP42	JP44
CX486M6	Closed	Open	Closed
CX486M7	Open	Open	Closed
AMD	Open	Open	Open
Intel	Open	Open	Open

CPU TYPE
Setting	JP65	JP82
CX486M6/M7	Pins 2 & 3 closed	Pins 2 & 3 closed
AMD	Open	Pins 1 & 2 closed
Intel	Open	Open

CPU TYPE
Setting	JP83
All CPU types	Pins 1 & 2 closed
80486DX4 only	Pins 2 & 3 closed

CPU TYPE (80486DX4 ONLY)
Setting	JP81
2x	Pins 2 & 3 closed
3x	Open

CPU SPEED
Setting	JP37	JP43	JP53	JP55
25MHz	Pins 1 & 2, 5 & 6 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
33MHz	Pins 3 & 4, 5 & 6 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
40MHz	Pins 1 & 2, 3 & 4 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
50iMHz	Pins 1 & 2, 5 & 6 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
66iMHz	Pins 3 & 4, 5 & 6 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
75iMHz	Pins 1 & 2, 5 & 6 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
100iMHz	Pins 3 & 4, 5 & 6 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed

CPU VOLTAGE
Setting	JP67	JP79	JP80	JP84
3.3v	Pins 2 & 3 closed	Open	Open	Closed
3.45v	Pins 2 & 3 closed	Closed	Open	Open
5v	Pins 1 & 2 closed	Open	Closed	Open

DMA CHANNEL
Setting	JP15	JP16
DMA1	Pins 2 & 3 closed	Pins 1 & 2 closed
DMA3	Pins 1 & 2 closed	Pins 2 & 3 closed