VEGA 486 GREEN AIO 2VLB Motherboard Settings and Configuration

YOUNG MICRO SYSTEMS, INC.

VEGA 486 GREEN AIO 2VLB

Processor
80486SX/80486DX/80486DX2/80486DX4/Pentium Overdrive
Processor Speed
25/33/40/50(internal)/50/66(internal)MHz
Chip Set
Symphony
Max. Onboard DRAM
128MB
Cache
64/128/256/512/1024KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse connector, serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Reset switch
J1
Serial port 2
CN2
Speaker
J2
IDE interface
CN3
Turbo LED
J3
Floppy drive interface
CN4
Turbo switch
J4
PS/2 mouse connector
CN5
Power LED & keylock
J5
Parallel port
CN6
Resume connector
J6
IDE interface LED
IJ4
Serial port 1
CN1
32-bit VESA Local bus slots
SL1 & SL2

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Factory configured - do not alter
IJP1
Open
»
Factory configured - do not alter
IJP2
Open
»
Factory configured - do not alter
IJP3
Open
»
Factory configured - do not alter
IW4/ 1 & 2
Open
»
Factory configured - do not alter
IW4/ 3 & 4
Open
»
Factory configured - do not alter
IW4/ 5 & 6
Open
»
Factory configured - do not alter
IW4/ 7 & 8
Open
»
IDE interface enabled
IW4/ 9 & 10
Open

IDE interface disabled
IW4/ 9 & 10
Closed
»
Factory configured - do not alter
JP9
Open
»
Factory configured - do not alter
JP10
Open
»
Cache control select combined
JP16
pins 1 & 2 closed

Cache control select separate
JP16
pins 2 & 3 closed
»
Monitor type select color
JP17
Closed

Monitor type select monochrome
JP17
Open
»
BIOS type select regular
JP18
pins 1 & 2 closed

BIOS type select flash EPROM
JP18
pins 2 & 3 closed
»
Factory configured - do not alter
JP22
Open
»
Factory configured - do not alter
JP23
Open
»
Factory configured - do not alter
JP24
Open
»
Factory configured - do not alter
JP28
Open
»
Factory configured - do not alter
JP29
Open
»
Factory configured - do not alter
JP30
Open
»
Factory configured - do not alter
JP31
Open
»
Factory configured - do not alter
W1
Open
»
Factory configured - do not alter
W2
Open
»
Factory configured - do not alter
W3
Open
»
Factory configured - do not alter
W4
Open
»
Factory configured - do not alter
W5
Open
»
Factory configured - do not alter
W6
Open
»
Parallel port IRQ select IRQ7
W11
pins 2 & 3 closed

Parallel port IRQ select IRQ5
W11
pins 1 & 2 closed
»
Factory configured - do not alter
W12
Open
»
Onboard port select enabled
WT1
Open

Onboard port select disabled
WT1
Closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(1) 256K x 36
NONE
NONE
NONE
4MB
(1) 512K x 36
(1) 512K x 36
NONE
NONE
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
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
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
32MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
64MB
(1) 8M x 36
(1) 8M x 36
NONE
NONE
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
128MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG (U1 & U2)
64KB
(4) 8K x 8
(4) 8K x 8
(2) 8K x 8
128KB
(4) 32K x 8
NONE
(2) 8K x 8
256KB
(4) 32K x 8
(4) 32K x 8
(2) 32K x 8
512KB
(4) 128K x 8
NONE
(2) 32K x 8
1MB
(4) 128K x 8
(4) 128K x 8
(2) 128K x 8

CACHE JUMPER CONFIGURATION
Size
JD1
JD2
JT1
JT2
JT3
64KB
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
128KB
1 & 2
1 & 2
2 & 3
1 & 2
1 & 2
256KB
2 & 3
2 & 3
2 & 3
2 & 3
1 & 2
512KB
1 & 2
1 & 2
2 & 3
2 & 3
2 & 3
1MB
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type
JP1
JP2
JP4
JP5
JP6
JP11
P1 - P4
R2-1/4
486SX
Open
Open
Open
2 & 3
Closed
Open
Closed
Open
486SL
Open
Closed
Open
1 & 2
Closed
1 & 2
Closed
Closed
486DX
Open
Open
Open
1 & 2
Closed
1 & 2
Closed
Open
486DX4
Open
Closed
Open
1 & 2
Closed
2 & 3
Open
Closed
Overdrive
Closed
Closed
Closed
1 & 2
Open
2 & 3
Open
Closed
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed
JP25
JP26
JP27
25MHz
Closed
Open
Closed
33MHz
Open
Open
Closed
40MHz
Closed
Closed
Open
50iMHz
Closed
Open
Closed
50MHz
Open
Closed
Open
66iMHz
Open
Open
Closed

VESA WAIT STATE/BUS SPEED CONFIGURATION
CPU speed
Wait states
JP20
JP21`
< 33MHz
0 wait states
pins 1 & 2 closed
pins 1 & 2 closed
> 33MHz
1 wait state
pins 2 & 3 closed
pins 2 & 3 closed

PARALLEL PORT CONFIGURATION
Type
W14
W15
Enhanced parallel port (EPP) mode
Open
pins 2 & 3 closed
Standard mode
Closed
pins 1 & 2 closed

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VEGA 486 GREEN AIO 2VLB Motherboard Settings and Configuration

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Processor	80486SX/80486DX/80486DX2/80486DX4/Pentium Overdrive
Processor Speed	25/33/40/50(internal)/50/66(internal)MHz
Chip Set	Symphony
Max. Onboard DRAM	128MB
Cache	64/128/256/512/1024KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse connector, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Reset switch	J1	Serial port 2	CN2
Speaker	J2	IDE interface	CN3
Turbo LED	J3	Floppy drive interface	CN4
Turbo switch	J4	PS/2 mouse connector	CN5
Power LED & keylock	J5	Parallel port	CN6
Resume connector	J6	IDE interface LED	IJ4
Serial port 1	CN1	32-bit VESA Local bus slots	SL1 & SL2

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	IJP1	Open
»	Factory configured - do not alter	IJP2	Open
»	Factory configured - do not alter	IJP3	Open
»	Factory configured - do not alter	IW4/ 1 & 2	Open
»	Factory configured - do not alter	IW4/ 3 & 4	Open
»	Factory configured - do not alter	IW4/ 5 & 6	Open
»	Factory configured - do not alter	IW4/ 7 & 8	Open
»	IDE interface enabled	IW4/ 9 & 10	Open
	IDE interface disabled	IW4/ 9 & 10	Closed
»	Factory configured - do not alter	JP9	Open
»	Factory configured - do not alter	JP10	Open
»	Cache control select combined	JP16	pins 1 & 2 closed
	Cache control select separate	JP16	pins 2 & 3 closed
»	Monitor type select color	JP17	Closed
	Monitor type select monochrome	JP17	Open
»	BIOS type select regular	JP18	pins 1 & 2 closed
	BIOS type select flash EPROM	JP18	pins 2 & 3 closed
»	Factory configured - do not alter	JP22	Open
»	Factory configured - do not alter	JP23	Open
»	Factory configured - do not alter	JP24	Open
»	Factory configured - do not alter	JP28	Open
»	Factory configured - do not alter	JP29	Open
»	Factory configured - do not alter	JP30	Open
»	Factory configured - do not alter	JP31	Open
»	Factory configured - do not alter	W1	Open
»	Factory configured - do not alter	W2	Open
»	Factory configured - do not alter	W3	Open
»	Factory configured - do not alter	W4	Open
»	Factory configured - do not alter	W5	Open
»	Factory configured - do not alter	W6	Open
»	Parallel port IRQ select IRQ7	W11	pins 2 & 3 closed
	Parallel port IRQ select IRQ5	W11	pins 1 & 2 closed
»	Factory configured - do not alter	W12	Open
»	Onboard port select enabled	WT1	Open
	Onboard port select disabled	WT1	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	NONE	NONE	NONE
4MB	(1) 512K x 36	(1) 512K x 36	NONE	NONE
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
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
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
32MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
64MB	(1) 8M x 36	(1) 8M x 36	NONE	NONE
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
128MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG (U1 & U2)
64KB	(4) 8K x 8	(4) 8K x 8	(2) 8K x 8
128KB	(4) 32K x 8	NONE	(2) 8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(2) 32K x 8
512KB	(4) 128K x 8	NONE	(2) 32K x 8
1MB	(4) 128K x 8	(4) 128K x 8	(2) 128K x 8

CACHE JUMPER CONFIGURATION
Size	JD1	JD2	JT1	JT2	JT3
64KB	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
128KB	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2
256KB	2 & 3	2 & 3	2 & 3	2 & 3	1 & 2
512KB	1 & 2	1 & 2	2 & 3	2 & 3	2 & 3
1MB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type	JP1	JP2	JP4	JP5	JP6	JP11	P1 - P4	R2-1/4
486SX	Open	Open	Open	2 & 3	Closed	Open	Closed	Open
486SL	Open	Closed	Open	1 & 2	Closed	1 & 2	Closed	Closed
486DX	Open	Open	Open	1 & 2	Closed	1 & 2	Closed	Open
486DX4	Open	Closed	Open	1 & 2	Closed	2 & 3	Open	Closed
Overdrive	Closed	Closed	Closed	1 & 2	Open	2 & 3	Open	Closed
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed	JP25	JP26	JP27
25MHz	Closed	Open	Closed
33MHz	Open	Open	Closed
40MHz	Closed	Closed	Open
50iMHz	Closed	Open	Closed
50MHz	Open	Closed	Open
66iMHz	Open	Open	Closed

VESA WAIT STATE/BUS SPEED CONFIGURATION
CPU speed	Wait states	JP20	JP21`
< 33MHz	0 wait states	pins 1 & 2 closed	pins 1 & 2 closed
> 33MHz	1 wait state	pins 2 & 3 closed	pins 2 & 3 closed

PARALLEL PORT CONFIGURATION
Type	W14	W15
Enhanced parallel port (EPP) mode	Open	pins 2 & 3 closed
Standard mode	Closed	pins 1 & 2 closed