VAES3486 Motherboard Settings and Configuration

VISION TECHNOLOGIES

VAES3486

Processor
80386DX/CX486DLC/CX486S/CX487S/80486SX(PQFP)/
80486SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed
16/20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set
OPTI
Max. Onboard DRAM
64MB
Cache
64/128/256KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slots (2), floppy drive interface, IDE interface, green PC connector, parallel port, serial ports (2)
NPU Options
CX387

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 1
CN1
Power supply/sleep mode
JP2
Serial port 2
CN2
Speaker
JP28
Floppy drive interface
CN3
Green PC connector
JP30
IDE interface
CN4
Turbo switch
JP33
Parallel port
CN5
Turbo LED
JP38
External battery
J10
Reset switch
S1
IDE interface LED
J17
32-bit VESA local bus slots
SL1 & SL2
Power LED & keylock
J22

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Factory configured - do not alter
J9
N/A
»
Pentium Overdrive enabled
JP1
Open

Pentium Overdrive disabled
JP1
Closed
»
VESA supports bus mastering
JP4
Closed

VESA does not support bus mastering
JP4
Open
»
On board PS/2 style mouse enabled
JP14
Closed

On board PS/2 style mouse disabled
JP14
Open
»
Power down mode enabled
JP15
pins 2 & 3 closed

Power down mode disabled
JP15
pins 1 & 2 closed
»
Keyboard password clear
JP16
Closed

Keyboard password enabled
JP16
Open
»
NPU disabled
JP24
pins 1 & 2 closed

NPU enabled
JP24
pins 2 & 3 closed
»
CMOS memory normal operation
JP29
pins 2 & 3 closed

CMOS memory clear
JP29
pins 1 & 2 closed
»
Green PC power down mode enabled
JP30
Open

Green PC power down mode disabled
JP30
Closed
»
Turbo disabled
JP33
Closed

Turbo enabled
JP33
Open
»
VESA card type select standard VESA VGA
JP34
pins 2 & 3 closed

VESA card type select Tekram VESA/Cache IDE
JP34
pins 1 & 2 closed
Note: The location of JP16 is unidentified.

DRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(1) 256K x 36
NONE
2MB
(1) 256K x 36
(1) 256K x 36
4MB
(1) 1M x 36
NONE
16MB
(1) 4M x 36
NONE
32MB
(1) 8M x 36
NONE
64MB
(1) 16M x 36
NONE

DRAM JUMPER CONFIGURATION
Type
JP42
Only Bank 0 used
pins 1 & 2 closed
Bank 0 & Bank 1 used
pins 2 & 3 closed

CACHE CONFIGURATION
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 CONFIGURATION
Size
JP3
JP18
JP19
JP20
64KB
pins 2 & 3 closed
Closed
Closed
pins 2 & 3 closed
128KB
pins 1 & 2 closed
Open
Closed
pins 1 & 2 closed
256KB
pins 2 & 3 closed
Closed
Closed
pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type
JP17
JP21
JP23
JP25
JP26
JP27
JP31
JP32
JP36
80386DX(PGA)
Open
2 & 3
Open
1 & 2
Open
Open
Closed
Open
Open
CX486DLC
Open
2 & 3
Open
1 & 2
Open
Open
Closed
Open
Open
80386DX(PQFP)
Open
2 & 3
Open
1 & 2
Open
Open
Open
Open
Open
CX486S
1 & 2
2 & 3
Closed
2 & 3
Open
Open
Closed
Closed
1 & 2
Cx487S
1 & 2
2 & 3
Closed
2 & 3
Closed
Open
Closed
Closed
1 & 2
80486SX(PQFP)
2 & 3
2 & 3
Open
1 & 2
Open
Open
Open
Open
Open
80486SX(PGA)
1 & 2
2 & 3
Open
1 & 2
Open
Open
Closed
Closed
2 & 3
80486DX
1 & 2
2 & 3
Open
1 & 2
Open
Open
Closed
Closed
1 & 2
80486DX-50(only)
1 & 2
2 & 3
Open
2 & 3
Open
Open
Closed
Closed
1 & 2
80486DX2
1 & 2
2 & 3
Open
1 & 2
Open
Open
Closed
Closed
1 & 2
P24T (WB)
1 & 2
1 & 2
Closed
2 & 3
Open
Open
Closed
Closed
1 & 2
P24T (WT)
1 & 2
1 & 2
Closed
2 & 3
Open
Closed
Closed
Closed
1 & 2
Note: Pins designated should be in the closed position (The location of JP25 and JP26 is unidentified).

CPU TYPE CONFIGURATION
Type
JP5
JP22
JP35
80386/CX486DLC
Open
pins 2 & 3 closed
pins 1 & 2 closed
80486/P24T/CX486S
Closed
pins 1 & 2 closed
pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed
JP39
JP40
JP41
16MHz
Open
Closed
Open
20MHz
Open
Closed
Closed
25MHz
Closed
Open
Open
33MHz
Closed
Open
Closed
40MHz
Closed
Closed
Open
50iMHz
Closed
Open
Open
50MHz
Closed
Closed
Closed
66iMHz
Closed
Open
Closed

DMA CHANNEL INTERRUPT CONFIGURATION
DRQ
DACK
JP6
JP7
JP8
JP9
JP10
JP11
JP12
JP13
DRQ3
DACK3
Closed
Open
Open
Open
Closed
Open
Open
Open
DRQ5
DACK5
Open
Closed
Open
Open
Open
Closed
Open
Open
DRQ6
DACK6
Open
Open
Closed
Open
Open
Open
Closed
Open
DRQ7
DACK7
Open
Open
Open
Closed
Open
Open
Open
Closed

VESA WAIT STATE CONFIGURATION
Wait states
JP37
0 wait states
Open
1 wait state
Closed

Headaches Begone! A Systemic Approach To Healing Your Headaches

Don't Let Your Bike Seat Ruin Your Sex Life Book

VAES3486 Motherboard Settings and Configuration

Search

My Books

Discover

Processor	80386DX/CX486DLC/CX486S/CX487S/80486SX(PQFP)/ 80486SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed	16/20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set	OPTI
Max. Onboard DRAM	64MB
Cache	64/128/256KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2), floppy drive interface, IDE interface, green PC connector, parallel port, serial ports (2)
NPU Options	CX387

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Power supply/sleep mode	JP2
Serial port 2	CN2	Speaker	JP28
Floppy drive interface	CN3	Green PC connector	JP30
IDE interface	CN4	Turbo switch	JP33
Parallel port	CN5	Turbo LED	JP38
External battery	J10	Reset switch	S1
IDE interface LED	J17	32-bit VESA local bus slots	SL1 & SL2
Power LED & keylock	J22

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	J9	N/A
»	Pentium Overdrive enabled	JP1	Open
	Pentium Overdrive disabled	JP1	Closed
»	VESA supports bus mastering	JP4	Closed
	VESA does not support bus mastering	JP4	Open
»	On board PS/2 style mouse enabled	JP14	Closed
	On board PS/2 style mouse disabled	JP14	Open
»	Power down mode enabled	JP15	pins 2 & 3 closed
	Power down mode disabled	JP15	pins 1 & 2 closed
»	Keyboard password clear	JP16	Closed
	Keyboard password enabled	JP16	Open
»	NPU disabled	JP24	pins 1 & 2 closed
	NPU enabled	JP24	pins 2 & 3 closed
»	CMOS memory normal operation	JP29	pins 2 & 3 closed
	CMOS memory clear	JP29	pins 1 & 2 closed
»	Green PC power down mode enabled	JP30	Open
	Green PC power down mode disabled	JP30	Closed
»	Turbo disabled	JP33	Closed
	Turbo enabled	JP33	Open
»	VESA card type select standard VESA VGA	JP34	pins 2 & 3 closed
	VESA card type select Tekram VESA/Cache IDE	JP34	pins 1 & 2 closed
Note: The location of JP16 is unidentified.

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(1) 256K x 36	NONE
2MB	(1) 256K x 36	(1) 256K x 36
4MB	(1) 1M x 36	NONE
16MB	(1) 4M x 36	NONE
32MB	(1) 8M x 36	NONE
64MB	(1) 16M x 36	NONE

DRAM JUMPER CONFIGURATION
Type	JP42
Only Bank 0 used	pins 1 & 2 closed
Bank 0 & Bank 1 used	pins 2 & 3 closed

CACHE CONFIGURATION
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 CONFIGURATION
Size	JP3	JP18	JP19	JP20
64KB	pins 2 & 3 closed	Closed	Closed	pins 2 & 3 closed
128KB	pins 1 & 2 closed	Open	Closed	pins 1 & 2 closed
256KB	pins 2 & 3 closed	Closed	Closed	pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type	JP17	JP21	JP23	JP25	JP26	JP27	JP31	JP32	JP36
80386DX(PGA)	Open	2 & 3	Open	1 & 2	Open	Open	Closed	Open	Open
CX486DLC	Open	2 & 3	Open	1 & 2	Open	Open	Closed	Open	Open
80386DX(PQFP)	Open	2 & 3	Open	1 & 2	Open	Open	Open	Open	Open
CX486S	1 & 2	2 & 3	Closed	2 & 3	Open	Open	Closed	Closed	1 & 2
Cx487S	1 & 2	2 & 3	Closed	2 & 3	Closed	Open	Closed	Closed	1 & 2
80486SX(PQFP)	2 & 3	2 & 3	Open	1 & 2	Open	Open	Open	Open	Open
80486SX(PGA)	1 & 2	2 & 3	Open	1 & 2	Open	Open	Closed	Closed	2 & 3
80486DX	1 & 2	2 & 3	Open	1 & 2	Open	Open	Closed	Closed	1 & 2
80486DX-50(only)	1 & 2	2 & 3	Open	2 & 3	Open	Open	Closed	Closed	1 & 2
80486DX2	1 & 2	2 & 3	Open	1 & 2	Open	Open	Closed	Closed	1 & 2
P24T (WB)	1 & 2	1 & 2	Closed	2 & 3	Open	Open	Closed	Closed	1 & 2
P24T (WT)	1 & 2	1 & 2	Closed	2 & 3	Open	Closed	Closed	Closed	1 & 2
Note: Pins designated should be in the closed position (The location of JP25 and JP26 is unidentified).

CPU TYPE CONFIGURATION
Type	JP5	JP22	JP35
80386/CX486DLC	Open	pins 2 & 3 closed	pins 1 & 2 closed
80486/P24T/CX486S	Closed	pins 1 & 2 closed	pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	JP39	JP40	JP41
16MHz	Open	Closed	Open
20MHz	Open	Closed	Closed
25MHz	Closed	Open	Open
33MHz	Closed	Open	Closed
40MHz	Closed	Closed	Open
50iMHz	Closed	Open	Open
50MHz	Closed	Closed	Closed
66iMHz	Closed	Open	Closed

DMA CHANNEL INTERRUPT CONFIGURATION
DRQ	DACK	JP6	JP7	JP8	JP9	JP10	JP11	JP12	JP13
DRQ3	DACK3	Closed	Open	Open	Open	Closed	Open	Open	Open
DRQ5	DACK5	Open	Closed	Open	Open	Open	Closed	Open	Open
DRQ6	DACK6	Open	Open	Closed	Open	Open	Open	Closed	Open
DRQ7	DACK7	Open	Open	Open	Closed	Open	Open	Open	Closed

VESA WAIT STATE CONFIGURATION
Wait states	JP37
0 wait states	Open
1 wait state	Closed