MB-8500TVG Motherboard Settings and Configuration

BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-8500TVG

Device Type
Mainboard
Processor
CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed
75/90/100/120/133/150/166/180/200/233MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
128MB (EDO & SDRAM supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
AMI
Dimensions
240mm x 220mm
I/O Options
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), IR connector, USB connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 2
J4
CPU fan power
J12
Parallel port
J5
Speaker
J14/pins 1 - 4
PS/2 mouse port
J6
Power LED & keylock
J14/pins 5 - 9
PS/2 mouse interface
J6A
Soft off power supply
J14/pins 10 & 11
Floppy drive interface
J7
Reset switch
J14/pins 12 & 13
Serial port 1
J8
Green PC connector
J14/pins 17 & 18
IDE interface 1
J9
IDE interface LED
J14/pins 20 & 21
USB connector
J10
IR connector
J14/pins 22 - 26
IDE interface 2
J11
32-bit PCI slots
PC1 – PC4

USER CONFIGURABLE SETTINGS
Function
Label
Position

On board battery enabled
JP5/JP15
Closed

On board battery disabled
JP5/JP15
Open
»
CMOS memory normal operation
JP6
Open

CMOS memory clear
JP6
Closed
Note: JP15 may be used as an alternate to JP5.

SIMM 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.

DIMM CONFIGURATION
Size
Bank 2
Bank 3
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) 8M x 64
None
64MB
(1) 4M x 64
(1) 4M x 64
72MB
(1) 8M x 64
(1) 1M x 64
80MB
(1) 8M x 64
(1) 2M x 64
96MB
(1) 8M x 64
(1) 4M x 64
128MB
(1) 8M x 64
(1) 8M x 64
Note: Board accepts SDRAM memory.

CACHE CONFIGURATION
Size
Bank 0
TAG
256KB
(2) 32K x 32
Unidentified
512KB
(2) 64K x 32
Unidentified

CPU SPEED SELECTION (CX 6X86)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP4
JP7
JP8
120MHz
50MHz
2x
Closed
Closed
Closed
Open
Closed
133MHz
55MHz
2x
Closed
Closed
Open
Open
Closed
150MHz
60MHz
2x
Open
Closed
Closed
Open
Closed
166MHz
66MHz
2x
Closed
Open
Closed
Open
Closed
200MHz
75MHz
2x
Open
Closed
Open
Open
Closed

CPU SPEED SELECTION (CX 6X86L)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP4
JP7
JP8
120MHz
50MHz
2x
Closed
Closed
Closed
Open
Closed
133MHz
55MHz
2x
Closed
Closed
Open
Open
Closed
150MHz
60MHz
2x
Open
Closed
Closed
Open
Closed
166MHz
66MHz
2x
Closed
Open
Closed
Open
Closed
200MHz
75MHz
2x
Open
Closed
Open
Open
Closed

CPU SPEED SELECTION (CX 6X86MX)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP4
JP7
JP8
150MHz
60MHz
2x
Open
Closed
Closed
Open
Closed
166MHz
66MHz
2x
Closed
Open
Closed
Open
Closed
166MHz
60MHz
2.5x
Open
Closed
Closed
Closed
Closed
200MHz
75MHz
2x
Open
Closed
Open
Open
Closed
200MHz
66MHz
2.5x
Closed
Open
Closed
Closed
Closed
200MHz
60MHz
3x
Open
Closed
Closed
Closed
Open
233MHz
75MHz
2.5x
Open
Closed
Open
Closed
Closed
233MHz
66MHz
3x
Closed
Open
Closed
Closed
Open
266MHz
66MHz
3.5x
Closed
Open
Closed
Open
Open
266MHz
75MHz
3x
Open
Closed
Open
Closed
Open

CPU SPEED SELECTION (AM K5)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP4
JP7
JP8
75MHz
50MHz
1.5x
Closed
Closed
Closed
Open
Open
90MHz
60MHz
1.5x
Open
Closed
Closed
Open
Open
100MHz
66MHz
1.5x
Closed
Open
Closed
Open
Open
120MHz
60MHz
1.5x
Open
Closed
Closed
Open
Open
133MHz
66MHz
2x
Closed
Open
Closed
Open
Closed
166MHz
66MHz
2.5x
Open
Closed
Closed
Closed
Closed
200MHz
66MHz
3x
Closed
Open
Closed
Closed
Open

CPU SPEED SELECTION (AM K6)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP4
JP7
JP8
166MHz
66MHz
2.5x
Closed
Open
Closed
Closed
Closed
200MHz
66MHz
3x
Closed
Open
Closed
Closed
Open
233MHz
66MHz
3.5x
Closed
Open
Closed
Open
Open

CPU SPEED SELECTION (INTEL)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP4
JP7
JP8
75MHz
50MHz
1.5x
Closed
Closed
Closed
Open
Open
90MHz
60MHz
1.5x
Open
Closed
Closed
Open
Open
100MHz
66MHz
1.5x
Closed
Open
Closed
Open
Open
120MHz
60MHz
2x
Open
Closed
Closed
Open
Closed
133MHz
66MHz
2x
Closed
Open
Closed
Open
Closed
150MHz
60MHz
2.5x
Open
Closed
Closed
Closed
Closed
166MHz
66MHz
2.5x
Closed
Open
Closed
Closed
Closed
180MHz
60MHz
3x
Open
Closed
Closed
Closed
Open
200MHz
66MHz
3x
Closed
Open
Closed
Closed
Open

CPU SPEED SELECTION (INTEL MMX)
CPU speed
Clock speed
Multiplier
JP2
JP3
JP4
JP7
JP8
166MHz
66MHz
2.5x
Closed
Open
Closed
Closed
Closed
200MHz
66MHz
3x
Closed
Open
Closed
Closed
Open
233MHz
66MHz
3.5x
Closed
Open
Closed
Open
Open

CPU VOLTAGE SELECTION (SINGLE)
Voltage
JP10
JP11
3.5v
Pins 5 & 6 closed
Pins 1 & 2, 3 & 4, 5 & 6 closed

CPU VOLTAGE SELECTION (DUAL)
Voltage
V core
JP10
JP11
3.4v
2.8v
Open
Open
3.4v
2.9v
Pins 1 & 2 closed
Open
3.4v
3.2v
Pins 3 & 4 closed
Open

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Device Type	Mainboard
Processor	CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed	75/90/100/120/133/150/166/180/200/233MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO & SDRAM supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	AMI
Dimensions	240mm x 220mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), IR connector, USB connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	J4	CPU fan power	J12
Parallel port	J5	Speaker	J14/pins 1 - 4
PS/2 mouse port	J6	Power LED & keylock	J14/pins 5 - 9
PS/2 mouse interface	J6A	Soft off power supply	J14/pins 10 & 11
Floppy drive interface	J7	Reset switch	J14/pins 12 & 13
Serial port 1	J8	Green PC connector	J14/pins 17 & 18
IDE interface 1	J9	IDE interface LED	J14/pins 20 & 21
USB connector	J10	IR connector	J14/pins 22 - 26
IDE interface 2	J11	32-bit PCI slots	PC1 – PC4

USER CONFIGURABLE SETTINGS
Function		Label	Position
	On board battery enabled	JP5/JP15	Closed
	On board battery disabled	JP5/JP15	Open
»	CMOS memory normal operation	JP6	Open
	CMOS memory clear	JP6	Closed
Note: JP15 may be used as an alternate to JP5.

SIMM 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.

DIMM CONFIGURATION
Size	Bank 2	Bank 3
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) 8M x 64	None
64MB	(1) 4M x 64	(1) 4M x 64
72MB	(1) 8M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 2M x 64
96MB	(1) 8M x 64	(1) 4M x 64
128MB	(1) 8M x 64	(1) 8M x 64
Note: Board accepts SDRAM memory.

CACHE CONFIGURATION
Size	Bank 0	TAG
256KB	(2) 32K x 32	Unidentified
512KB	(2) 64K x 32	Unidentified

CPU SPEED SELECTION (CX 6X86)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7	JP8
120MHz	50MHz	2x	Closed	Closed	Closed	Open	Closed
133MHz	55MHz	2x	Closed	Closed	Open	Open	Closed
150MHz	60MHz	2x	Open	Closed	Closed	Open	Closed
166MHz	66MHz	2x	Closed	Open	Closed	Open	Closed
200MHz	75MHz	2x	Open	Closed	Open	Open	Closed

CPU SPEED SELECTION (CX 6X86L)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7	JP8
120MHz	50MHz	2x	Closed	Closed	Closed	Open	Closed
133MHz	55MHz	2x	Closed	Closed	Open	Open	Closed
150MHz	60MHz	2x	Open	Closed	Closed	Open	Closed
166MHz	66MHz	2x	Closed	Open	Closed	Open	Closed
200MHz	75MHz	2x	Open	Closed	Open	Open	Closed

CPU SPEED SELECTION (CX 6X86MX)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7	JP8
150MHz	60MHz	2x	Open	Closed	Closed	Open	Closed
166MHz	66MHz	2x	Closed	Open	Closed	Open	Closed
166MHz	60MHz	2.5x	Open	Closed	Closed	Closed	Closed
200MHz	75MHz	2x	Open	Closed	Open	Open	Closed
200MHz	66MHz	2.5x	Closed	Open	Closed	Closed	Closed
200MHz	60MHz	3x	Open	Closed	Closed	Closed	Open
233MHz	75MHz	2.5x	Open	Closed	Open	Closed	Closed
233MHz	66MHz	3x	Closed	Open	Closed	Closed	Open
266MHz	66MHz	3.5x	Closed	Open	Closed	Open	Open
266MHz	75MHz	3x	Open	Closed	Open	Closed	Open

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7	JP8
75MHz	50MHz	1.5x	Closed	Closed	Closed	Open	Open
90MHz	60MHz	1.5x	Open	Closed	Closed	Open	Open
100MHz	66MHz	1.5x	Closed	Open	Closed	Open	Open
120MHz	60MHz	1.5x	Open	Closed	Closed	Open	Open
133MHz	66MHz	2x	Closed	Open	Closed	Open	Closed
166MHz	66MHz	2.5x	Open	Closed	Closed	Closed	Closed
200MHz	66MHz	3x	Closed	Open	Closed	Closed	Open

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7	JP8
166MHz	66MHz	2.5x	Closed	Open	Closed	Closed	Closed
200MHz	66MHz	3x	Closed	Open	Closed	Closed	Open
233MHz	66MHz	3.5x	Closed	Open	Closed	Open	Open

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7	JP8
75MHz	50MHz	1.5x	Closed	Closed	Closed	Open	Open
90MHz	60MHz	1.5x	Open	Closed	Closed	Open	Open
100MHz	66MHz	1.5x	Closed	Open	Closed	Open	Open
120MHz	60MHz	2x	Open	Closed	Closed	Open	Closed
133MHz	66MHz	2x	Closed	Open	Closed	Open	Closed
150MHz	60MHz	2.5x	Open	Closed	Closed	Closed	Closed
166MHz	66MHz	2.5x	Closed	Open	Closed	Closed	Closed
180MHz	60MHz	3x	Open	Closed	Closed	Closed	Open
200MHz	66MHz	3x	Closed	Open	Closed	Closed	Open

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7	JP8
166MHz	66MHz	2.5x	Closed	Open	Closed	Closed	Closed
200MHz	66MHz	3x	Closed	Open	Closed	Closed	Open
233MHz	66MHz	3.5x	Closed	Open	Closed	Open	Open

CPU VOLTAGE SELECTION (SINGLE)
Voltage	JP10	JP11
3.5v	Pins 5 & 6 closed	Pins 1 & 2, 3 & 4, 5 & 6 closed

CPU VOLTAGE SELECTION (DUAL)
Voltage	V core	JP10	JP11
3.4v	2.8v	Open	Open
3.4v	2.9v	Pins 1 & 2 closed	Open
3.4v	3.2v	Pins 3 & 4 closed	Open