MB520ND Motherboard Settings and Configuration

VTECH INDUSTRIES, INC.

MB520ND

Processor
CX M1/AM K5/Pentium
Processor Speed
75/90/100/120/133/150/166/180/200MHz
Chip Set
Unidentified
Video Chip Set
None
Maximum Onboard Memory
128MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
Award
Dimensions
254mm x 218mm
I/O Options
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Floppy drive interface
CN1
IR connector
J10
IDE interface 1
CN2
Speaker
J11
IDE interface 2
CN3
Reset switch
J19
USB connector
J1
IDE interface LED
JP14
PS/2 mouse interface
J2
Green PC connector
JP15
Power LED & keylock
J3
Chassis fan power
JP18
Serial port 1
J6
32-bit PCI slots
PC1 – PC4
Serial port 2
J7
Cache slot
SL1
Parallel port
J9

USER CONFIGURABLE SETTINGS
Function
Label
Position

Flash BIOS type select SST/Winbond/ATMEL/MX
JP9
Pins 1 & 2 closed

Flash BIOS type select Intel
JP9
Pins 2 & 3 closed

Flash BIOS voltage select 12v
JP10
Pins 2 & 3 closed

Flash BIOS voltage select 5v
JP10
Pins 1 & 2 closed
»
CMOS memory normal operation
JP16
Open

CMOS memory clear
JP16
Closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
8MB
(2) 1M x 36
None
16MB
(2) 2M x 36
None
16MB
(2) 1M x 36
(2) 1M x 36
24MB
(2) 2M x 36
(2) 1M x 36
32MB
(2) 4M x 36
None
32MB
(2) 2M x 36
(2) 2M x 36
40MB
(2) 4M x 36
(2) 1M x 36
48MB
(2) 4M x 36
(2) 2M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
72MB
(2) 8M x 36
(2) 1M x 36
80MB
(2) 8M x 36
(2) 2M x 36
96MB
(2) 8M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36
Note: Board accepts EDO memory. Banks are interchangeable.

DIMM CONFIGURATION
Size
Bank 0
Bank 1
8MB
(1) 1M x 64
None
16MB
(1) 2M x 64
None
16MB
(1) 1M x 64
(1) 1M x 64
24MB
(1) 2M x 64
(1) 1M x 64
32MB
(1) 4M x 64
None
32MB
(1) 2M x 64
(1) 2M x 64
40MB
(1) 4M x 64
(1) 1M x 64
48MB
(1) 4M x 64
(1) 2M x 64
64MB
(1) 4M x 64
(1) 4M x 64
Note: Banks are interchangeable.

CACHE CONFIGURATION
Size
Bank 0
SL1
256KB
None
256KB module installed
256KB
(2) 32K x 32
Not installed
512KB
(2) 32K x 32
256KB module installed
512KB
(2) 64K x 32
Not installed
512KB
None
512KB module installed

CPU SPEED SELECTION (AMD)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP6
JP7
75MHz
50MHz
1.5x
1 & 2
1 & 2
2 & 3
2 & 3
90MHz
60MHz
1.5x
1 & 2
1 & 2
1 & 2
2 & 3
100MHz
66MHz
1.5x
1 & 2
1 & 2
1 & 2
1 & 2
120MHz
60MHz
1.5x
1 & 2
1 & 2
1 & 2
2 & 3
133MHz
66MHz
1.5x
1 & 2
1 & 2
1 & 2
1 & 2
150MHz
60MHz
2x
1 & 2
2 & 3
1 & 2
2 & 3
166MHz
66MHz
2x
1 & 2
2 & 3
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CYRIX)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP6
JP7
120MHz
50MHz
2x
1 & 2
2 & 3
2 & 3
2 & 3
133MHz
55MHz
2x
1 & 2
2 & 3
2 & 3
1 & 2
150MHz
60MHz
2x
1 & 2
2 & 3
1 & 2
2 & 3
166MHz
66MHz
2x
1 & 2
2 & 3
1 & 2
1 & 2
200MHz
50MHz
1.5x
1 & 2
1 & 2
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP6
JP7
75MHz
50MHz
1.5x
1 & 2
1 & 2
2 & 3
2 & 3
90MHz
60MHz
1.5x
1 & 2
1 & 2
1 & 2
2 & 3
100MHz
66MHz
1.5x
1 & 2
1 & 2
1 & 2
1 & 2
120MHz
60MHz
2x
1 & 2
2 & 3
1 & 2
2 & 3
133MHz
66MHz
2x
1 & 2
2 & 3
1 & 2
1 & 2
150MHz
60MHz
2.5x
2 & 3
2 & 3
1 & 2
2 & 3
166MHz
66MHz
2.5x
2 & 3
2 & 3
1 & 2
1 & 2
180MHz
60MHz
3x
2 & 3
1 & 2
1 & 2
2 & 3
200MHz
66MHz
3x
2 & 3
1 & 2
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type
J13
J14
J15
J16
CX 6X86
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
AM K5 (B, C, F)
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
AM K5 (H, J, K)
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
P54C
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
P55C
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed

CPU VOLTAGE SELECTION (SINGLE)
Voltage
JP5
JP17
3.38v
Pins 7 & 8 closed
Pins 2 & 3 closed
3.52v
Pins 9 & 10 closed
Pins 1 & 2 closed

CPU VOLTAGE SELECTION (DUAL)
Voltage
V core
JP5
JP17
3.38v
2.5v
Pins 1 & 2 closed
Pins 2 & 3 closed
3.38v
2.7v
Pins 3 & 4 closed
Pins 2 & 3 closed
3.38v
2.93v
Pins 5 & 6 closed
Pins 2 & 3 closed
3.52v
2.5v
Pins 1 & 2 closed
Pins 1 & 2 closed
3.52v
2.7v
Pins 3 & 4 closed
Pins 1 & 2 closed
3.52v
2.93v
Pins 5 & 6 closed
Pins 1 & 2 closed

Headaches Begone! A Systemic Approach To Healing Your Headaches

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

MB520ND Motherboard Settings and Configuration

Search

My Books

Discover

Processor	CX M1/AM K5/Pentium
Processor Speed	75/90/100/120/133/150/166/180/200MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Floppy drive interface	CN1	IR connector	J10
IDE interface 1	CN2	Speaker	J11
IDE interface 2	CN3	Reset switch	J19
USB connector	J1	IDE interface LED	JP14
PS/2 mouse interface	J2	Green PC connector	JP15
Power LED & keylock	J3	Chassis fan power	JP18
Serial port 1	J6	32-bit PCI slots	PC1 – PC4
Serial port 2	J7	Cache slot	SL1
Parallel port	J9

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Flash BIOS type select SST/Winbond/ATMEL/MX	JP9	Pins 1 & 2 closed
	Flash BIOS type select Intel	JP9	Pins 2 & 3 closed
	Flash BIOS voltage select 12v	JP10	Pins 2 & 3 closed
	Flash BIOS voltage select 5v	JP10	Pins 1 & 2 closed
»	CMOS memory normal operation	JP16	Open
	CMOS memory clear	JP16	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
Note: Board accepts EDO memory. Banks are interchangeable.

DIMM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(1) 1M x 64	None
16MB	(1) 2M x 64	None
16MB	(1) 1M x 64	(1) 1M x 64
24MB	(1) 2M x 64	(1) 1M x 64
32MB	(1) 4M x 64	None
32MB	(1) 2M x 64	(1) 2M x 64
40MB	(1) 4M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 2M x 64
64MB	(1) 4M x 64	(1) 4M x 64
Note: Banks are interchangeable.

CACHE CONFIGURATION
Size	Bank 0	SL1
256KB	None	256KB module installed
256KB	(2) 32K x 32	Not installed
512KB	(2) 32K x 32	256KB module installed
512KB	(2) 64K x 32	Not installed
512KB	None	512KB module installed

CPU SPEED SELECTION (AMD)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP6	JP7
75MHz	50MHz	1.5x	1 & 2	1 & 2	2 & 3	2 & 3
90MHz	60MHz	1.5x	1 & 2	1 & 2	1 & 2	2 & 3
100MHz	66MHz	1.5x	1 & 2	1 & 2	1 & 2	1 & 2
120MHz	60MHz	1.5x	1 & 2	1 & 2	1 & 2	2 & 3
133MHz	66MHz	1.5x	1 & 2	1 & 2	1 & 2	1 & 2
150MHz	60MHz	2x	1 & 2	2 & 3	1 & 2	2 & 3
166MHz	66MHz	2x	1 & 2	2 & 3	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CYRIX)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP6	JP7
120MHz	50MHz	2x	1 & 2	2 & 3	2 & 3	2 & 3
133MHz	55MHz	2x	1 & 2	2 & 3	2 & 3	1 & 2
150MHz	60MHz	2x	1 & 2	2 & 3	1 & 2	2 & 3
166MHz	66MHz	2x	1 & 2	2 & 3	1 & 2	1 & 2
200MHz	50MHz	1.5x	1 & 2	1 & 2	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP6	JP7
75MHz	50MHz	1.5x	1 & 2	1 & 2	2 & 3	2 & 3
90MHz	60MHz	1.5x	1 & 2	1 & 2	1 & 2	2 & 3
100MHz	66MHz	1.5x	1 & 2	1 & 2	1 & 2	1 & 2
120MHz	60MHz	2x	1 & 2	2 & 3	1 & 2	2 & 3
133MHz	66MHz	2x	1 & 2	2 & 3	1 & 2	1 & 2
150MHz	60MHz	2.5x	2 & 3	2 & 3	1 & 2	2 & 3
166MHz	66MHz	2.5x	2 & 3	2 & 3	1 & 2	1 & 2
180MHz	60MHz	3x	2 & 3	1 & 2	1 & 2	2 & 3
200MHz	66MHz	3x	2 & 3	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type	J13	J14	J15	J16
CX 6X86	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
AM K5 (B, C, F)	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
AM K5 (H, J, K)	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
P54C	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
P55C	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed

CPU VOLTAGE SELECTION (SINGLE)
Voltage	JP5	JP17
3.38v	Pins 7 & 8 closed	Pins 2 & 3 closed
3.52v	Pins 9 & 10 closed	Pins 1 & 2 closed

CPU VOLTAGE SELECTION (DUAL)
Voltage	V core	JP5	JP17
3.38v	2.5v	Pins 1 & 2 closed	Pins 2 & 3 closed
3.38v	2.7v	Pins 3 & 4 closed	Pins 2 & 3 closed
3.38v	2.93v	Pins 5 & 6 closed	Pins 2 & 3 closed
3.52v	2.5v	Pins 1 & 2 closed	Pins 1 & 2 closed
3.52v	2.7v	Pins 3 & 4 closed	Pins 1 & 2 closed
3.52v	2.93v	Pins 5 & 6 closed	Pins 1 & 2 closed