MANUAIS DE MOTHERBOARDS BIOTEQ

MB-13XXPMB/PME-CH
33/40 mhz zero-wait 80386 Turbo Main Board

MAINBOARD LAYOUT

JUMPER SETTINGS

Cache Memory Size Settings : Jp1,Jp2,Jp3,Jp4,Jp5,Jp6

Jumper No. 32 K 64 K 128 K 256 K
JP 1 open open closed closed
JP 2 1-2 closed 2-3 closed 2-3 closed 2-3 closed
JP 3 2-3 closed 1-2 closed 1-2 closed 1-2 closed
JP 4 2-3 closed 2-3 closed 2-3 closed 1-2 closed
JP 5 1-2 closed 1-2 closed 1-2 closed 2-3 closed

JP 7 : CMOS DISCHARGE

1-2 Closed : To clear CMOS Setup memory, if there has been any inappropriate operation incurring the system in failure
2-3 Closed : To maintain setup and extended setuo data in CMOS for normal functioning
Note : After clear CMOS SETUP memory, please adjust pin 2-3 of jp 7 to be closed again. Otherwise the system won't be booted up.

JP 9 : Monitor Type

Open : Mono
Closed : Color

JP 6 : External 6-Volt Battery Connector.

Pin 1 : Battery Positive
Pin 2 : No Connection
Pin 3 : Ground
Pin 4 : Ground

Jp 15 : Led Connectors

Pin No. Assignment Function
1
2
3
4		 Speakers
No Connection
Ground
+ 5 Volt DC		 Speaker Connection
5
6
7
8
9		 Power Led(+)
No Connection
Ground
Keylock
Ground		 Power LED
&
Keylock
10
11		 Turbo Led
Turbo Led +		 Turbo Led Connector
12
13		 Reset Control
Ground		 Reset Switch
14
15
16		 Turbo Switch
Ground
No Connection		 Turbo Switch
17
18		 + 5 Volt DC
Ground		 5V/ Ground

 

MEMORY INSTALLATION
Dram Access Time : 80ns, Page Mode
Dram Type : 256Kb/1Mb/4Mb Simm Module

Memory Size Bank 0 Bank 1
1Mb 256K * 4 Pcs ----
2Mb 256K * 4 Pcs 256K * 4 Pcs
4Mb 1 Mb * 4 Pcs ----
5Mb 256K * 4 Pcs 1 Mb * 4 Pcs
8Mb 1 Mb * 4 Pcs 1 Mb * 4 Pcs
16Mb 4 Mb * 4 Pcs ----
20Mb 4 Mb * 4 Pcs 1 Mb * 4 Pcs
32Mb 4 Mb * 4 Pcs 4 Mb * 4 Pcs

AT BUS CLOCK SETTINGS

Model No. CPU Clock AT Bus Clock
MB-1333PMB-CH 33 Mhz (80386DX-33) 8 MHZ
MB-1340PMB-CH 40 Mhz (80386DX-40) 8 OR 10 MHZ
MB-1333PME-CH 33 Mhz (80386DX-33) 8 MHZ
MB-1340PME-CH 40 Mhz (80386DX-40) 8 OR 10 MHZ

NOTE : When speed on board is 40 Mhz the AT Bus Clock setup according to chipset version. If chip No. is 82C391 the AT Bus Clock will be 10 Mhz , if chip No. 82C391(B) the AT Bus Clock will be 8 Mhz

CACHE RAM INSTALLATION

Sram Size Even Bank
(U6,7,14,15)		 Odd Bank
(U3,4,11,12		 Tag Ram
(U20,24)
For Rev A & B & BE		 Tag Ram
(U20)
For Rev B.2 & E.2 &
B.3 & E.3		 Cachable
Main
Memory
(MB)
32K 8k*8*4Pcs ------------- 16k*4*2Pcs 8k*8*1Pcs 8
64K 8k*8*4Pcs 8k*8*4Pcs 16k*4*2Pcs 8k*8*1Pcs 16
128K 32k*8*4Pcs ------------- 16k*4*2Pcs 8k*8*1Pcs 32
256K 32k*8*4Pcs 32k*8*4Pcs 16k*4*2Pcs 32k*8*1Pcs 64

SRAM SPEED REQUIRED

Cpu Clock Speed Cache RAM Tag RAM
33 Mhz 25nS 20nS
40 Mhz 20nS 15nS
* 40 Mhz 25nS 20nS

* Model MB-1340PMB-CH/MB-1340PME-CH, 80386DX-40 cache motherboard (Cpu speed : 80386DX-40 Mhz) If you use this board to work as 40 Mhz, we suggest you use the following brand of cache memory :

Cache RAM Brand Speed Spec. For Rev A&B&E Spec. For Rev B.2&E.2&B.3&E.3
Cache Memory ISSI
MOTOROLA		 25nS 8k*8/28 Pin 8k*8/28 Pin
TAG RAM MOTOROLA
MITSUBISHI		 20nS 16k*4 without OE/22 Pin 8k*8/28pins Or 32k*8/28 pins