JX30WB Motherboard Settings and Configuration

MICRONICS COMPUTERS, INC.

JX30WB

Processor
SL80486SX/80486SX/80487SX/CX486M7/AM486DXL/SL80486DX/80486DX/ SL80486DX2/80486DX2/80486DX4/P24CT/P24D/Pentium Overdrive
Processor Speed
25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set
Micronics
Max. Onboard DRAM
128MB
Cache
128/256/512/1024KB
BIOS
Phoenix
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slots (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
PS/2 mouse interface
J1
IDE interface LED
J16
Auxiliary keyboard connector
J4
Speaker
J17
External battery
J9
Turbo switch
J18
Serial port 1
J10
Turbo LED
J19
Serial port 2
J11
Power LED & keylock
J20
Parallel port
J12
Reset switch
J21
IDE interface (primary)
J13
32-bit VESA local bus slots
SL1 & SL2
IDE interface (secondary)
J14
Green PC connector
W6
Floppy drive interface
J15

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Flash BIOS normal operation
W1
pins 2 & 3 closed

Flash BIOS recovery
W1
pins 1 & 2 closed
»
Monitor type select color
W2
Closed

Monitor type select monochrome
W2
Open
»
CMOS memory normal operation
W5
pins 1 & 2 closed

CMOS memory clear
W5
pins 2 & 3 closed
»
Primary IDE interface enabled
W7
pins 1 & 2 closed

Primary IDE interface disabled
W7
pins 2 & 3 closed
»
Parallel port IRQ select IRQ7
W8
pins 1 & 2 closed

Parallel port IRQ select IRQ5
W8
pins 2 & 3 closed
»
Factory configured - do not alter
W16
pins 2 & 3 closed
»
Factory configured - do not alter
W29
Open
»
Flash BIOS write protect enabled
W31
Closed

Flash BIOS write protect disabled
W31
Open

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
4MB
(1) 1M x 36
NONE
NONE
NONE
8MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
16MB
(1) 2M x 36
(1) 2M x 36
NONE
NONE
24MB
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
32MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
40MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
48MB
(1) 4M x 36
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 8M x 36
(1) 8M x 36
NONE
NONE
72MB
(1) 8M x 36
(1) 8M x 36
(1) 1M x 36
(1) 1M x 36
80MB
(1) 8M x 36
(1) 8M x 36
(1) 2M x 36
(1) 2M x 36
96MB
(1) 8M x 36
(1) 8M 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
128KB
(4) 32K x 8
NONE
(1) 32K x 8
256KB
(4) 32K x 8
(4) 32K x 8
(1) 32K x 8
512KB
(4) 128K x 8
NONE
(1) 128K x 8
1MB
(4) 128K x 8
(4) 128K x 8
(1) 128K x 8

CACHE JUMPER CONFIGURATION
Size
W13
W14
W15
W17
W30
128KB
1 & 2
1 & 2
1 & 2
1 & 2, 3 & 4
Open
256KB
2 & 3
2 & 3
1 & 2
2 & 3, 4 & 5
Open
512KB
2 & 3
1 & 2
1 & 2
1 & 2, 3 & 4
1 & 2
1MB
2 & 3
2 & 3
2 & 3
2 & 3, 4 & 5
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type
W11
W12
W18
W19
SL80486SX
2 & 3
Open
Open
2 & 3
80486SX
2 & 3
Open
Open
2 & 3
80487SX
2 & 3
1 & 2
Open
2 & 3
CX486M7 (3.3v)
1 & 2, 3 & 4
2 & 3
Open
2 & 3
CX486M7 (5v)
1 & 2, 3 & 4
2 & 3
Open
2 & 3
AM486DXL
1 & 2, 3 & 4
2 & 3
Open
2 & 3
SL80486DX
1 & 2, 3 & 4
2 & 3
Open
2 & 3
80486DX
1 & 2, 3 & 4
2 & 3
Open
2 & 3
SL80486DX2
1 & 2, 3 & 4
2 & 3
Open
2 & 3
80486DX2
1 & 2, 3 & 4
2 & 3
Open
2 & 3
80486DX4 (2x)
1 & 2, 3 & 4
2 & 3
2 & 3
2 & 3
80486DX4 (2.5x)
1 & 2, 3 & 4
2 & 3
1 & 2
2 & 3
80486DX4 (3x)
1 & 2, 3 & 4
2 & 3
Open
2 & 3
P24CT
1 & 2, 3 & 4
1 & 2
Open
1 & 2
P24D
1 & 2, 3 & 4
2 & 3
Open
1 & 2
P24T
1 & 2, 3 & 4
1 & 2
Open
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
W20
W21
W22
W23
W24
SL80486SX
2 & 3
Open
1 & 2
1 & 2
2 & 3
80486SX
2 & 3
Open
Open
1 & 2
2 & 3
80487SX
2 & 3
Open
Open
1 & 2
2 & 3
CX486M7 (3.3v)
1 & 2
Open
Open
2 & 3
1 & 2
CX486M7 (5v)
1 & 2
Open
Open
2 & 3
1 & 2
AM486DXL
2 & 3
Open
Open
2 & 3
1 & 2
SL80486DX
2 & 3
Open
1 & 2
1 & 2
2 & 3
80486DX
2 & 3
Open
Open
1 & 2
2 & 3
SL80486DX2
2 & 3
Open
1 & 2
1 & 2
2 & 3
80486DX2
2 & 3
Open
Open
1 & 2
2 & 3
80486DX4 (2x)
2 & 3
Open
Open
1 & 2
2 & 3
80486DX4 (2.5x)
2 & 3
Open
Open
1 & 2
2 & 3
80486DX4 (3x)
2 & 3
Open
Open
1 & 2
2 & 3
P24CT
2 & 3
Open
Open
1 & 2
1 & 2
P24D
2 & 3
1 & 2
2 & 3
1 & 2
1 & 2
P24T
2 & 3
Open
Open
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
W25
W26
W27
W28
SL80486SX
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
80486SX
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
80487SX
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
CX486M7 (3.3v)
2 & 3
2 & 3
2 & 3
2 & 3
CX486M7 (5v)
2 & 3
2 & 3
2 & 3, 4 & 5
2 & 3
AM486DXL
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
SL80486DX
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
80486DX
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
SL80486DX2
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
80486DX2
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
80486DX4 (2x)
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
80486DX4 (2.5x)
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
80486DX4 (3x)
2 & 3
4 & 5
1 & 2, 3 & 4
3 & 4
P24CT
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
P24D
1 & 2
4 & 5
1 & 2
1 & 2, 3 & 4
P24T
1 & 2
1 & 2
1 & 2
3 & 4
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed
W10
25MHz
Open
33MHz
Closed
50iMHz
Open
66iMHz
Closed
75iMHz
Open
100iMHz
Closed

DMA CONFIGURATION
DMA
W3
W4
Disabled
Open
Open
DMA1
pins 1 & 2 closed
pins 1 & 2 closed
DMA3
pins 2 & 3 closed
pins 2 & 3 closed

Headaches Begone! A Systemic Approach To Healing Your Headaches

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

JX30WB Motherboard Settings and Configuration

Search

My Books

Discover

Processor	SL80486SX/80486SX/80487SX/CX486M7/AM486DXL/SL80486DX/80486DX/ SL80486DX2/80486DX2/80486DX4/P24CT/P24D/Pentium Overdrive
Processor Speed	25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set	Micronics
Max. Onboard DRAM	128MB
Cache	128/256/512/1024KB
BIOS	Phoenix
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
PS/2 mouse interface	J1	IDE interface LED	J16
Auxiliary keyboard connector	J4	Speaker	J17
External battery	J9	Turbo switch	J18
Serial port 1	J10	Turbo LED	J19
Serial port 2	J11	Power LED & keylock	J20
Parallel port	J12	Reset switch	J21
IDE interface (primary)	J13	32-bit VESA local bus slots	SL1 & SL2
IDE interface (secondary)	J14	Green PC connector	W6
Floppy drive interface	J15

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Flash BIOS normal operation	W1	pins 2 & 3 closed
	Flash BIOS recovery	W1	pins 1 & 2 closed
»	Monitor type select color	W2	Closed
	Monitor type select monochrome	W2	Open
»	CMOS memory normal operation	W5	pins 1 & 2 closed
	CMOS memory clear	W5	pins 2 & 3 closed
»	Primary IDE interface enabled	W7	pins 1 & 2 closed
	Primary IDE interface disabled	W7	pins 2 & 3 closed
»	Parallel port IRQ select IRQ7	W8	pins 1 & 2 closed
	Parallel port IRQ select IRQ5	W8	pins 2 & 3 closed
»	Factory configured - do not alter	W16	pins 2 & 3 closed
»	Factory configured - do not alter	W29	Open
»	Flash BIOS write protect enabled	W31	Closed
	Flash BIOS write protect disabled	W31	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(1) 1M x 36	NONE	NONE	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 2M x 36	(1) 2M x 36	NONE	NONE
24MB	(1) 2M x 36	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36
32MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
40MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 2M x 36	(1) 2M x 36
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 8M x 36	(1) 8M x 36	NONE	NONE
72MB	(1) 8M x 36	(1) 8M x 36	(1) 1M x 36	(1) 1M x 36
80MB	(1) 8M x 36	(1) 8M x 36	(1) 2M x 36	(1) 2M x 36
96MB	(1) 8M x 36	(1) 8M 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
128KB	(4) 32K x 8	NONE	(1) 32K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8
512KB	(4) 128K x 8	NONE	(1) 128K x 8
1MB	(4) 128K x 8	(4) 128K x 8	(1) 128K x 8

CACHE JUMPER CONFIGURATION
Size	W13	W14	W15	W17	W30
128KB	1 & 2	1 & 2	1 & 2	1 & 2, 3 & 4	Open
256KB	2 & 3	2 & 3	1 & 2	2 & 3, 4 & 5	Open
512KB	2 & 3	1 & 2	1 & 2	1 & 2, 3 & 4	1 & 2
1MB	2 & 3	2 & 3	2 & 3	2 & 3, 4 & 5	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION
Type	W11	W12	W18	W19
SL80486SX	2 & 3	Open	Open	2 & 3
80486SX	2 & 3	Open	Open	2 & 3
80487SX	2 & 3	1 & 2	Open	2 & 3
CX486M7 (3.3v)	1 & 2, 3 & 4	2 & 3	Open	2 & 3
CX486M7 (5v)	1 & 2, 3 & 4	2 & 3	Open	2 & 3
AM486DXL	1 & 2, 3 & 4	2 & 3	Open	2 & 3
SL80486DX	1 & 2, 3 & 4	2 & 3	Open	2 & 3
80486DX	1 & 2, 3 & 4	2 & 3	Open	2 & 3
SL80486DX2	1 & 2, 3 & 4	2 & 3	Open	2 & 3
80486DX2	1 & 2, 3 & 4	2 & 3	Open	2 & 3
80486DX4 (2x)	1 & 2, 3 & 4	2 & 3	2 & 3	2 & 3
80486DX4 (2.5x)	1 & 2, 3 & 4	2 & 3	1 & 2	2 & 3
80486DX4 (3x)	1 & 2, 3 & 4	2 & 3	Open	2 & 3
P24CT	1 & 2, 3 & 4	1 & 2	Open	1 & 2
P24D	1 & 2, 3 & 4	2 & 3	Open	1 & 2
P24T	1 & 2, 3 & 4	1 & 2	Open	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	W20	W21	W22	W23	W24
SL80486SX	2 & 3	Open	1 & 2	1 & 2	2 & 3
80486SX	2 & 3	Open	Open	1 & 2	2 & 3
80487SX	2 & 3	Open	Open	1 & 2	2 & 3
CX486M7 (3.3v)	1 & 2	Open	Open	2 & 3	1 & 2
CX486M7 (5v)	1 & 2	Open	Open	2 & 3	1 & 2
AM486DXL	2 & 3	Open	Open	2 & 3	1 & 2
SL80486DX	2 & 3	Open	1 & 2	1 & 2	2 & 3
80486DX	2 & 3	Open	Open	1 & 2	2 & 3
SL80486DX2	2 & 3	Open	1 & 2	1 & 2	2 & 3
80486DX2	2 & 3	Open	Open	1 & 2	2 & 3
80486DX4 (2x)	2 & 3	Open	Open	1 & 2	2 & 3
80486DX4 (2.5x)	2 & 3	Open	Open	1 & 2	2 & 3
80486DX4 (3x)	2 & 3	Open	Open	1 & 2	2 & 3
P24CT	2 & 3	Open	Open	1 & 2	1 & 2
P24D	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2
P24T	2 & 3	Open	Open	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	W25	W26	W27	W28
SL80486SX	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
80486SX	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
80487SX	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
CX486M7 (3.3v)	2 & 3	2 & 3	2 & 3	2 & 3
CX486M7 (5v)	2 & 3	2 & 3	2 & 3, 4 & 5	2 & 3
AM486DXL	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
SL80486DX	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
80486DX	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
SL80486DX2	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
80486DX2	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
80486DX4 (2x)	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
80486DX4 (2.5x)	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
80486DX4 (3x)	2 & 3	4 & 5	1 & 2, 3 & 4	3 & 4
P24CT	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4
P24D	1 & 2	4 & 5	1 & 2	1 & 2, 3 & 4
P24T	1 & 2	1 & 2	1 & 2	3 & 4
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed	W10
25MHz	Open
33MHz	Closed
50iMHz	Open
66iMHz	Closed
75iMHz	Open
100iMHz	Closed

DMA CONFIGURATION
DMA	W3	W4
Disabled	Open	Open
DMA1	pins 1 & 2 closed	pins 1 & 2 closed
DMA3	pins 2 & 3 closed	pins 2 & 3 closed