VEGA VS486F-3VL Motherboard Settings and Configuration

UNIDENTIFIED

VEGA VS486F-3VL

Processor
80486SX/80486DX/80486DX2/ODP586SX
Processor Speed
25/33/50(internal)/50/66(internal) MHz
Chip Set
Symphony
Max. Onboard DRAM
32MB
SRAM Cache
64/256/1024KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slots (3)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
J1
Turbo LED
JP23
Power LED & keylock
JP20
Turbo switch
JP24
Speaker
JP21
32-bit VESA Local bus slots
S1, S2 & S3
Reset switch
JP22

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
CMOS memory normal operation
J2
pins 1 & 2 closed

CMOS memory clear
J2
pins 3 & 4 closed

BIOS type select regular (27C512)
JP2
pins 1 & 2 closed

BIOS type select flash (28F001BX)
JP2
pins 2 & 3 closed
»
Batterly select internal
JP3
Closed

Battery select external
JP3
Open
»
Factory configured - do not alter
JP12
Closed
»
Factory configured - do not alter
JP15
Open

DRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(4) 256K x 9
NONE
2MB
(4) 256K x 9
(4) 256K x 9
4MB
(4) 1M x 9
NONE
5MB
(4) 256K x 9
(4) 1M x 9
8MB
(4) 1M x 9
(4) 1M x 9
17MB
(4) 256K x 9
(4) 4M x 9
16MB
(4) 4M x 9
NONE
20MB
(4) 1M x 9
(4) 4M x 9
32MB
(4) 4M x 9
(4) 4M x 9

SRAM JUMPER CONFIGURATION
Size
JP8
JP9
JP19
JP25
JP26
64KB
pins 1 & 2
pins 1 & 2
pins 1 & 2
pins 1 & 2
pins 1 & 2
256KB
pins 1 & 2
pins 1 & 2
pins 2 & 3
pins 2 & 3
pins 2 & 3
1MB
pins 2 & 3
pins 2 & 3
pins 2 & 3
pins 2 & 3
pins 2 & 3
Note:Pins designated should be in the closed postion.

SRAM CONFIGURATION
Size
Max Cachable
Cache
TAG
64KB
8MB
(8) 8K x 8
(1) 8K x 8
256KB
32MB
(8) 32K x 8
(1) 32K x 8
1MB
64MB
(8) 128K x 8
(1) 128K x 8

CPU TYPE CONFIGURATION
CPU
JP7
JP10
JP17
80486SX
Open
pins 2 & 3 closed
Open
All others
Closed
pins 1 & 2 closed
Closed

CPU SPEED CONFIGURATION
Speed
JA1
JP4
JP5
JP6
JP11
JP13
JP14
JP16
JP18
25/50i MHz
2 & 3
2 & 3
Open
Closed
2 & 3
Open
Closed
Open
Open
33/66i MHz
2 & 3
2 & 3
Closed
Open
2 & 3
Open
Closed
Open
Open
50MHz
1 & 2
1 & 2
Open
Closed
1 & 2
Closed
Open
Closed
Closed
Note:Pins designated should be in the closed postion.

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VEGA VS486F-3VL Motherboard Settings and Configuration

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Processor	80486SX/80486DX/80486DX2/ODP586SX
Processor Speed	25/33/50(internal)/50/66(internal) MHz
Chip Set	Symphony
Max. Onboard DRAM	32MB
SRAM Cache	64/256/1024KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (3)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Turbo LED	JP23
Power LED & keylock	JP20	Turbo switch	JP24
Speaker	JP21	32-bit VESA Local bus slots	S1, S2 & S3
Reset switch	JP22

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	J2	pins 1 & 2 closed
	CMOS memory clear	J2	pins 3 & 4 closed
	BIOS type select regular (27C512)	JP2	pins 1 & 2 closed
	BIOS type select flash (28F001BX)	JP2	pins 2 & 3 closed
»	Batterly select internal	JP3	Closed
	Battery select external	JP3	Open
»	Factory configured - do not alter	JP12	Closed
»	Factory configured - do not alter	JP15	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
5MB	(4) 256K x 9	(4) 1M x 9
8MB	(4) 1M x 9	(4) 1M x 9
17MB	(4) 256K x 9	(4) 4M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

SRAM JUMPER CONFIGURATION
Size	JP8	JP9	JP19	JP25	JP26
64KB	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2
256KB	pins 1 & 2	pins 1 & 2	pins 2 & 3	pins 2 & 3	pins 2 & 3
1MB	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3
Note:Pins designated should be in the closed postion.

SRAM CONFIGURATION
Size	Max Cachable	Cache	TAG
64KB	8MB	(8) 8K x 8	(1) 8K x 8
256KB	32MB	(8) 32K x 8	(1) 32K x 8
1MB	64MB	(8) 128K x 8	(1) 128K x 8

CPU TYPE CONFIGURATION
CPU	JP7	JP10	JP17
80486SX	Open	pins 2 & 3 closed	Open
All others	Closed	pins 1 & 2 closed	Closed

CPU SPEED CONFIGURATION
Speed	JA1	JP4	JP5	JP6	JP11	JP13	JP14	JP16	JP18
25/50i MHz	2 & 3	2 & 3	Open	Closed	2 & 3	Open	Closed	Open	Open
33/66i MHz	2 & 3	2 & 3	Closed	Open	2 & 3	Open	Closed	Open	Open
50MHz	1 & 2	1 & 2	Open	Closed	1 & 2	Closed	Open	Closed	Closed
Note:Pins designated should be in the closed postion.