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