MANUAIS DE MOTHERBOARDS BIOTEQ

MB-8500TTD

JUMPERS SETTING

JP3 CMOS function selection

JP3

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 -> JP3 (2-3) closed -> JP3(1-2) closed -> power on -> reset your desired password

CPU INSTALLATION / JUMPER SETTING

A: JP7,JP8 CPU voltage

CPU type

JP7

JP8

CPU voltage

core

I/O

single voltage
INTEL tm
P54/CQS/CT
CYRIX tm
6x86
AMD tm
K5

1-2 open
3-4 open
5-6 closed

1-2 closed
3-4 closed
5-6 closed

3.5V

3.5V

dual voltage
INTEL tm
P55/MMX tm
CYRIX tm
6x86L/6x83MX
AMD tm
K6

1-2 open
3-4 open
5-6 open

1-2 open
3-4 open
5-6 open

2.8V

3.4V

1-2 closed
3-4 open
5-6 open

1-2 open
3-4 open
5-6 open

2.9V

3.4V

1-2 open
3-4 closed
5-6 open

1-2 open
3-4 open
5-6 open

3.2V

3.4V

B: JP11,JP9 CPU clock selection

a: INTEL CPU

CPU speed

bus clock&
multiplier

JP11
(1-2)

JP11
(3-4)

JP11
(5-6)

JP9
(1-2)

JP9
3-4)

90MHz

60MHz x 1.5

open

closed

closed

open

open

100MHz

66MHz x 1.5

closed

open

closed

open

open

120MHz

60MHz x 2

open

closed

closed

closed

open

133MHz

66MHz x 2

closed

open

closed

closed

open

150MHz

60MHz x 2.5

open

closed

closed

closed

closed

166MHz

66MHz x 2.5

closed

open

closed

closed

closed

200MHz

66MHz x 3

closed

open

closed

open

closed

233MHz

66MHz x 3.5

closed

open

closed

open

open

* JP11(1-2) open & JP11(3-4) closed & JP11(5-6)closed: bus clock = 60MHz
* JP11(1-2) closed & JP11(3-4) open & JP11 (5-6) closed: bus clock = 66MHz
* JP9(1-2) open & JP9(3-4)open : multiplier = 1.5
* JP9(1-2) closed & JP9(3-4) open: multiplier = 2
* JP9(1-2)closed & JP9(3-4) closed: multplier =2.5
* JP9(1-2)open & JP9(3-4) closed: multiplier = 3
* JP9(1-2)open & JP9(3-4) open : multiplier = 3.5

b: CYRIX 6x86 tm / 6x86L tm CPU

CPU speed

bus clock &
multiplier

JP11
(1-2)

JP11
(3-4)

JP11
(5-6)

JP9
(1-2)

JP9
(3-4)

PR-133+
110MHz

55MHz x 2

closed

closed

open

closed

open

PR-150+
120MHz

60MHz x 2

open

closed

closed

closed

open

PR-166+
133MHz

66MHz x 2

closed

open

closed

closed

open

PR-200+
150MHz

75MHz x 2

open

closed

open

closed

open

c: CYRIX 6x86MX tm CPU

CPU speed

bus clock &
multiplier

JP11
(1-2)

JP11
(3-4)

JP11
(5-6)

JP9
(1-2)

JP9
(3-4)

PR-150+ - 120MHz

60MHz x 2

open

closed

closed

closed

open

PR-166+ - 133MHz

66MHz x 2

closed

open

closed

closed

open

PR-166+ - 150MHZ

60MHz x 2.5

open

closed

closed

closed

closed

PR-200+ - 150MHz

75MHz x 2

open

closed

open

closed

open

PR-200+ - 166MHz

66MHz x 2.5

closed

open

closed

closed

closed

PR-200+ - 180MHz

60MHz x 3

open

closed

closed

open

closed

PR-233+ - 188MHz

75MHz x 2.5

open

closed

open

closed

closed

PR-233+ - 200MHz

66MHz x 3

closed

open

closed

open

closed

PR-266+ - 233MHz

66MHz x 3.5

closed

open

closed

open

open

PR-266+ - 225MHz

75MHz x 3

open

closed

open

open

closed

d: AMD-K5 tm CPU

CPU speed

JP11(1-2)

JP11(3-4)

JP11(5-6)

JP9(1-2)

JP(1-2)

JP9(3-4)

PR-90

open

closed

closed

open

open

open

PR-100

closed

open

closed

open

open

open

PR-120

open

closed

closed

closed

closed

open

PR-133

closed

open

closed

closed

closed

open

PR-166

closed

open

closed

closed

closed

closed

PR-200

closed

open

closed

open

open

closed

e: AMD-K6 tm CPU

CPU speed

JP11(1-2)

JP11(3-4)

JP11(5-6)

JP9(1-2)

JP9(3-4)

PR2-166

closed

open

closed

closed

closed

PR2-200

closed

open

closed

open

closed

PR2-233

closed

open

closed

open

open

CONNECTORS

A: J15

pin
no.

assignment

function

pin
no.

assignment

function

1

speaker

speaker
connecor

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
&
keylock

18

ground

green
switch

6

no connection

19

no connection

NC

7

ground

20

HDD LED (-)

HDD LED

8

key lock

21

HDD LED (+)

HDD LED

9

ground

22

+5V

IrDA connector

10

power switch

ATX power
button

23

no connection

IrDA
connector

11

standby voltage

ATX power
button

24

IRRX

12

reset control

reset

25

ground

13

ground

reset

26

IRTX

B: J2 PS/2 mouse cable connector

pin no.

assignment

1

mouse data

2

no connector

3

ground

4

+5V

5

mouse clock

C: J13 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 negative data

A5

no connection

B1

+5V

D: J14 CPU cooling fan power connector (optional)

pin no.

assignment

1

ground

2

+12V