MB-8500TVR Motherboard Settings and Configuration

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

AMI

Dimensions

285mm x 220mm

I/O Options

32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA interface, cache slot, IR connector, USB connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface

J1

IR connector (optional)

J15

VGA interface

J6

Speaker

J16 pins 1 - 4

Floppy drive interface

J7

Power LED & keylock

J16 pins 5 - 9

IDE interface 1

J8

Turbo LED

J16 pins 10 & 11

USB connector

J9

Reset switch

J16 pins 12 & 13

erial port 1

J10

Green PC connector

J16 pins 17 & 18

Serial port 2

J11

IDE interface LED

J16 pins 20 & 21

Parallel port

J12

+5v ground

J16 pins 25 & 26

IDE interface 2

J13

32-bit PCI slots

PC1 - PC3

Chassis fan power

J14

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP12

Open

CMOS memory clear

JP12

Closed

Flash BIOS voltage select 12v

JP13

Pins 2 & 3 closed

Flash BIOS voltage select 5v

JP13

Pins 1 & 2 closed

»

Factory configured - do not alter

JP16

Unidentified

DIMM/DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

None

None

(1) 1M x 64

8MB

(2) 1M x 36

None

None

16MB

None

None

(1) 2M x 64

16MB

(2) 2M x 36

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

24MB

(2) 2M x 36

(2) 1M x 36

None

32MB

None

None

(1) 4M x 64

32MB

(2) 4M x 36

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

40MB

(2) 4M x 36

(2) 1M x 36

None

48MB

(2) 4M x 36

(2) 2M x 36

None

64MB

None

None

(1) 8M x 64

64MB

(2) 8M x 36

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

72MB

(2) 8M x 36

(2) 1M x 36

None

80MB

(2) 8M x 36

(2) 2M x 36

None

96MB

(2) 8M x 36

(2) 4M x 36

None

128MB

(2) 8M x 36

(2) 8M x 36

None

Note: Board accepts EDO memory.

DIMM VOLTAGE CONFIGURATION

Voltage

JP9

3.3v

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG

256KB (A)

(2) 32K x 32

Not installed

(1) 8K x 8

256KB (B)

None

256KB module installed

None

512KB (A)

(2) 32K x 32

256KB module installed

(1) 8K x 8

512KB (B)

(2) 64K x 32

Not installed

(1) 32K x 8

512KB (C)

None

512KB module installed

None

CACHE JUMPER CONFIGURATION

Size

JP11

256KB (A)

Open

256KB (B)

Open

512KB (A)

Closed

512KB (B)

Closed

512KB (C)

Closed

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP6

120MHz

50MHz

2x

Closed

Open

1 & 2, 3 & 4

133MHz

55MHz

2x

Closed

Open

Open

150MHz

60MHz

2x

Closed

Open

1 & 2

166MHz

66MHz

2x

Closed

Open

3 & 4

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP6

75MHz

50MHz

1.5x

Open

Open

1 & 2, 3 & 4

90MHz

60MHz

1.5x

Open

Open

1 & 2

100MHz

66MHz

1.5x

Open

Open

3 & 4

120MHz

60MHz

1.5x

Open

Open

1 & 2

133MHz

66MHz

1.5x

Open

Open

3 & 4

150MHz

60MHz

2x

Closed

Open

1 & 2

166MHz

66MHz

2x

Closed

Open

3 & 4

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP1

JP2

JP6

75MHz

50MHz

1.5x

Open

Open

1 & 2, 3 & 4

90MHz

60MHz

1.5x

Open

Open

1 & 2

100MHz

66MHz

1.5x

Open

Open

3 & 4

120MHz

60MHz

2x

Closed

Open

1 & 2

133MHz

66MHz

2x

Closed

Open

3 & 4

150MHz

60MHz

2.5x

Closed

Closed

1 & 2

166MHz

66MHz

2.5x

Closed

Closed

3 & 4

180MHz

60MHz

3x

Open

Closed

1 & 2

200MHz

66MHz

3x

Open

Closed

3 & 4

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP8

3.4v

Closed

3.5v

Open

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP7

JP8

3.4v

2.6v

Closed

Closed

3.4v

2.9v

Open

Closed

3.5v

2.6v

Closed

Open

3.5v

2.9v

Open

Open