MANUAIS DE MOTHERBOARDS BIOTEQ

MB-84XXAEP-A
468 ISA/PCI + I/o Main Board

JP 1 : CPU Voltage Select

Jumper No.

3.45 Volt CPU

4 Volt CPU

5 Volt CPU

Jp 1

2-3 closed

1-2 closed

2-3 closed

Jp 3

open

open

closed

Jp 4

open

open

closed

JP 11, JP16 JP 18 , JP 19 CPU CLOCK SELECT

CPU Clock

Jp 11

Jp 16

Jp 18

Jp 19

25/75 Mhz

1-2 closed

open

open

open

33/66/100 Mhz

1-2 closed

open

closed

closed

40/80/120 Mhz

2-3 closed

closed

open

closed

J 11 : Cmos / External Battery
Pin 1 : Battery +
Pin 2 : NC
Pin 3 : Cmos Discharge
Pin 4 : GND
3-4 Closed : Clear Cmos *

* --> Jp25 open --> Jp11 3-4 Closed --> Wait 5 Minutes --> J11 3-4 Open --> Jp 25 Closed --> power on.

JP 25 : On Board Battery Select
open : Turn off
closed : Turn on

JP 20 , Jp 21 : Cache RAM Size Select

Cache Size

Jp 20

Jp 21

Tag Ram

128 Kb
32k*8 * 4pcs

1-2 closed

open

8k*8 * 1pcs

256 Kb
64k*8 * 4pcs

open

1-2 closed

STD 16k*8 * 1pcs

256 Kb
64k*8 * 8pcs

1-2 closed

2-3 closed

Aster 16k*8 * 1pcs
STD 32k*8 * 1pcs

512 Kb
128k*8 * 4pcs

2-3 closed

2-3 closed

32k*8 * 1pcs

CPU SELECT Version 1:

Cpu Type

RN 6

RN 7

RN 8

RN 9

JP 5

JP 6

JP 7

JP 8

Intel 486 SX

open

closed

open

closed
2* 4pins

5-6 closed

open

2-3 closed
4-5 closed

open

Intel 486 DX/DX2

open

closed

open

closed
2*4pins

1-2 closed

open

2-3 closed
4-5 closed

open

AMD 486Dx/Dx2/Dx4
Cpu Code NV8T

open

closed

open

closed
2*4pins

1-2 closed
4-5 closed

DX/DX4 : open
DX2 : 4-5 closed

2-3 closed
4-5 closed

open

AMD 486Dx/Dx2/Dx4
Enhanced (SV8T)

open

closed

open

1-4 closed
1*4pins

1-2 closed
4-5 closed

DX/DX4 : 5-6 closed
Dx2 : 3-4,5-6 closed

1-2 closed
4-5 closed

open

AMD 486Dx/Dx2/Dx4
Enhanced (SV8B)

open

closed

open

closed
2*4pins

1-2 closed
4-5 closed

DX/DX4 : open
DX2 : 3-4 closed

1-2 closed

open

Intel P24D

open

closed

open

closed
2*4pins

1-2 closed
4-5 closed

open

1-2 closed

open

Intel 486 DX4-S(P24C)

open

closed

open

closed

1-2 closed
4-5 closed

open

1-2 closed
4-5 closed

open

Cyrix 486Dx/Dx2/Dx4 (M7)

open

open

closed

open

1-2closed
4-5 closed

note 1

1-2 closed
4-5 closed

note 1

UMC 486 (U5S)

closed

open

open

open

open

open

4-5 closed

open

Cyrix 5x86 (M1SC)

open

closed

open

closed 1-4
1*4pins

1-2 closed
4-5 closed

open

1-2 closed
4-5 closed

open

* When Green Function Enable : Add in config.sys "DEVICE=C:\DOS\EMM386.EXE X=E800-EFFF"

Note 1 :
Dx/Dx4 : Jp 6--> open, Jp 8 -->1-2 closed
Dx2 : Jp6 --> 1-2 closed, Jp 8 --> 1-2 closed
4 Volt : Jp1 --> 1-2 closed, Jp8 1-2, 3-4 closed
3.5 Volt : Jp1 --> 2-3 closed, Jp 8 --> 1-2,3-4 closed

CPU SELECT Version 2:

Cpu Type

RN 5

RN 6

RN 7

RN 9

RN 10

JP 5

JP 6

JP 7

Intel 486 SX

open

open

closed

closed

open

5-6 closed

2-3 closed
4-5 closed

open

Intel 486 DX/DX2

open

open

closed

closed

open

1-2 closed
4-5 closed

2-3 closed
4-5 closed

open

AMD 486Dx/Dx2/Dx4
Cpu Code NV8T

open

open

closed

closed

open

1-2 closed
4-5 closed

2-3 closed
4-5 closed

DX2 : 4-5 closed
Dx/Dx4 : open

AMD 486Dx/Dx2/Dx4
Enhanced (SV8T)

open

open

closed

1-4 closed

open

1-2 closed
4-5 closed

1-2 closed
4-5 closed

Dx2 : 3-4 closed
Dx/Dx4 : open

AMD 486Dx/Dx2/Dx4
Enhanced (SV8B)

open

open

closed

closed

open

1-2 closed
4-5 closed

1-2 closed

Dx2 : 3-4 closed
Dx/Dx4 : open

Intel P24D

open

open

closed

closed

open

1-2 closed
4-5 closed

1-2 closed

open

Intel 486 DX4-S(P24C)

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

Cyrix 486Dx/Dx2/Dx4 (M7)

open

closed

open

open

closed

1-2 closed

1-2 closed
4-5 closed

Note 1

UMC 486 (U5S)

closed

open

open

open

open

open

4-5 closed

open

Cyrix 5x86 (M1SC)

open

open

closed

1-4 closed

open

1-2 closed
4-5 closed

1-2 closed
4-5 closed

open

* When Green Function Enable : Add in config.sys "DEVICE=C:\DOS\EMM386.EXE X=E800-EFFF"

Note 1 :
Dx/Dx4 : Jp 7--> open
Dx2 : Jp7 --> 1-2 closed
4 Volt : Jp1 --> 1-2 closed
3.5 Volt : Jp1 --> 2-3 closed