AL486 VIO-U3/VIO-I

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

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