MANUAIS DE MOTHERBOARDS BIOTEQ

MB-8500TUR
Intel Pentium/Cyrix 6x86/AMD5k86 Main Board

MAINBOARD LAYOUT

JP 11 : Cache RAM Size Select (Version 1 and 2)

Jumper 256 Kb 512 Kb
Jp 11 1-2 Closed 2-3 Closed

JP 11 : Cache RAM Size Select (Version 2.1 and Afterwards)

Jumper 256 Kb 512 Kb
Jp 11 open closed

JP 13 : Flash ROM Type Voltage Select
1-2 closed : +5 V Flash Memory Used
2-3 closed : +12 V Flash Memory Used
open : Eprom Used or 0v Flash ROM Used

JP 12 : CMOS Function Select
Open : Maintain setup data for normal function
Closed : To clear Cmos setup Memory
note : Clear bios password as follow :
Power Off --> jp 12 Closed --> Power on --> After Mem Count power off --> jp 12 open --> power on.

CPU Type Select

Cpu Type Jp 7 Jp 14 Jp 15 Remark
Intel P54C/CQS/CT
Cyrix 6x86
AMD 5k86		 open 1-2 closed 1-2 closed
3-4 closed		 3.3 V
Intel P55C/Ct closed 2-3 closed open 3.3V/2.9V

JP 8 Cpu Clock Voltage - Level Select
open : 3.5 V ( For VRE SPEC)
closed : 3.4 V ( For standard and VR SPEC)

------- FOR VERSION 1 AND 2.1 AND AFTERWARDS --------
Cpu Clock Select for Intel CPU

Cpu Speed Bus Clock Jp 6
(1-2)		 Jp 6
(3-4)		 Jp 1 Jp 2
75 50 Mhz * 1.5 closed closed open open
90 60 Mhz * 1.5 closed open open open
100 66 Mhz * 1.5 open closed open open
120 60 Mhz * 2 closed open closed open
133 66 Mhz * 2 open closed closed open
150 60 Mhz * 2.5 closed open closed closed
166 66 Mhz * 2.5 open closed closed closed
180 60 Mhz * 3 closed open open closed
200 66 Mhz * 3 open closed open closed

Cpu Clock Select for AMD 5k86 CPU

Cpu P-Rating Bus Clock Jp 6
(1-2)		 Jp 6
(3-4)		 Jp 1 Jp 2
P-75 - 66 Mhz 66Mhz * 1 open closed closed open
P-75 - 75 Mhz 50Mhz * 1.5 closed closed open open
P-90 - 83 Mhz 55Mhz * 1.5 open open open open
P-90 - 90 Mhz 60Mhz * 1.5 closed open open open
P-100 - 100 Mhz 66Mhz * 1.5 open closed open open

Cpu Clock Select for Cyrix 6x86 CPU

Cpu Speed Bus Clock Jp 6
(1-2)		 Jp 6
(3-4)		 Jp 1 Jp 2
P-120+ / 100 Mhz 50Mhz * 2 closed closed open open
P-133+ / 110 Mhz 55Mhz * 2 open open open open
P-150+ / 120 Mhz 60Mhz * 2 closed open open open
P-166+ / 133 Mhz 66Mhz * 2 open closed open open

------- FOR VERSION 2 ---------
Cpu Clock Select for Intel CPU

Cpu Speed Bus Clock Jp 6
(1-2)		 Jp 6
(3-4)		 Jp 1 Jp 2
75 50 Mhz * 1.5 closed closed open open
90 60 Mhz * 1.5 open closed open open
100 66 Mhz * 1.5 closed open open open
120 60 Mhz * 2 open closed closed open
133 66 Mhz * 2 closed open closed open
150 60 Mhz * 2.5 open closed closed closed
166 66 Mhz * 2.5 closed open closed closed
180 60 Mhz * 3 open closed open closed
200 66 Mhz * 3 closed open open closed

Cpu Clock Select for AMD 5k86 CPU

Cpu P-Rating Bus Clock Jp 6
(1-2)		 Jp 6
(3-4)		 Jp 1 Jp 2
P-75 - 66 Mhz 66Mhz * 1 closed open closed open
P-75 - 75 Mhz 50Mhz * 1.5 closed closed open open
P-90 - 83 Mhz 55Mhz * 1.5 open open open open
P-90 - 90 Mhz 60Mhz * 1.5 open closed open open
P-100 - 100 Mhz 66Mhz * 1.5 closed open open open

Cpu Clock Select for Cyrix 6x86 CPU

Cpu Speed Bus Clock Jp 6
(1-2)		 Jp 6
(3-4)		 Jp 1 Jp 2
P-120+ / 100 Mhz 50Mhz * 2 closed closed open open
P-133+ / 110 Mhz 55Mhz * 2 open open open open
P-150+ / 120 Mhz 60Mhz * 2 open closed open open
P-166+ / 133 Mhz 66Mhz * 2 closed open open open

CONNECTOR J16

Pin No Assignment Pin No Assignment
1 speaker 14 Green LED(+)
2 NC 15 Green LED(-)
3 Ground 16 NC
4 VCC 17 Green Control
5 Power LED (+) 18 Ground
6 No Connection 19 NC
7 Ground 20 HDD LED (-)
8 Key lock 21 HDD LED (+)
9 Ground 22 NC
10 Turbo LED(-) 23 Turbo Control
11 Turbo LED(+) 24 Ground
12 Reset Control 25 VCC
13 Ground 26 Ground

J14 : Fan Power Connector
Pin 3,4 : GRN
Pin 1,2 : +12 V

J15 : IR Module Connector(Optional)
Pin 1 : IRTX
Pin 2 : GND
Pin 3 : IRRX
Pin 4 : NC
Pin 5 : VCC

J1 : PS/2 Mouse Cable Connector
Pin 1 : MS_Data
Pin 2 : NC
Pin 3 : GND
Pin 4 : VCC
Pin 5 : MS_CLK

J9 : USB Cable Connector (Optional)