MANUAIS DE MOTHERBOARDS BIOTEQ

MB-8500TUD

 

JUMPERS SETTING

A: JP6 CMOS function selection

JP6

assignment

1-2 closed

normal operation

2-3 closed

clear CMOS data

open

onboard battery disabled

Note: Please follow the procedure as below to clear BIOS password if your
password is lost or forgotten.

power off -> JP6(2-3)closed -> JP6(1-2) closed -> power on -> reset your desired password

CPU INSTALLATION/ JUMPER SETTING

A: JP16 CPU voltage selection

CPU type

JP16

CPU

core

I /O

single voltage
INTEL tm
P54C/CQS/CT
CYRIX tm
6x86
AMD tm
K5

open

3.5V

3.5V

dual voltage
INTEL tm
P55C/MMX tm
CYRIX tm
6x86L / M2
AMD tm
K6

open

2.8V

3.4V

1-2 closed
3-4 open

2.9V

3.4V

1-2 open
3-4 closed

3.2V

3.4V

B: JP2,JP13 CPU clock selection

a: INTEL CPU

CPU speed

bus clock &
multiplier

JP2

JP13(1-2)

JP13(3-4)

90MHz

60MHz x 1.5

closed

open

open

100MHz

66MHz x 1.5

open

open

open

120MHz

60MHz x 2

closed

closed

open

133MHz

66MHz x 2

open

closed

open

150MHz

60MHz x 2.5

closed

closed

closed

166MHz

66MHz x 2.5

open

closed

closed

200MHz

66MHz x 3

open

open

closed

233MHz

66MHz x 3.5

open

open

open

* JP2 closed : bus clock = 60MHz
* JP2 open : bus clock = 66MHz
* JP13(1-2) open & JP13(pin 3-4) open : multiplier = 1.5
* JP13(1-2) closed & JP13(3-4) open : multplier = 2
* JP13(1-2) closed & JP13(3-4) closed : multiplier = 2.5
* JP13(1-2) open & JP13 (3-4) closed : multplier = 3
* JP13(1-2) open & JP13 (3-4) open : multplier = 3.5 (for 233 MHz)

b: CYRIX 6x86 tm / 6x86L tm CPU

CPU speed

bus clock &
multiplier

JP2

JP13(1-2)

JP13(3-4)

PR-150+
120MHz

60MHz x 2

closed

closed

open

PR-166+
133MHz

66MHz x 2

open

closed

open

* JP2 closed : bus clock = 60MHz
* JP2 open : bus clock = 660MHz
* JP13(1-2) closed & JP13(3-4) open : multiplier = 2

c: AMD-K5 tm CPU

CPU speed

JP2

JP13(1-2)

JP13(3-4)

PR-90

closed

open

open

PR-100

open

open

open

PR-120

closed

closed

open

PR-133

open

closed

open

PR-166

open

closed

closed

PR-200

open

open

closed

d: AMD-K6 tm CPU

CPU speed

JP2

JP13(1-2)

JP13(3-4)

PR-166

open

closed

closed

PR-200

open

open

closed

PR-233

open

open

open

CONNECTORS

A: J19

pin
no.

assignment

function

pin
no.

assignment

function

1

speaker

speaker
connector

14

+5V

VCC
ground

2

NC

15

ground

VCC
ground

3

ground

16

no connection

NC

4

+5V

17

green control

green switch

5

power LED(+)

power
LED

18

ground

green switch

6

no connection

19

no connection

NC

7

ground

20

HDD LED(-)

HDD LED

8

NC

21

HDD LED(+)

HDD LED

9

ground

22

+5V

IrDA

10

power switch

ATX power button

reset

23

no connection

IrDA

11

standby voltage

24

IRRX

IrDA

12

reset control

25

ground

IrDA

13

ground

26

IRTX

IrDA

B: J2 PS/2 mouse cable connector

pin
no.

assignment

1

mouse data

2

no connection

3

ground

4

+5V

5

mouse clock

C: J12 U.S.B. connector

pin no.

assignment

pin no.

assignment

A1

+5V

B5

no connection

A2

port 1 negative data

B4

ground

A3

port 1 positive data

B3

port 2 positive data

A4

ground

B2

port 2 negetive data

A5

no connection

B1

+5V

D: J14 CPU cooler power connector (optional)

pin no

assignment

3

fan speed data input (optional)

2

ground

1

+12V