BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-8425/33/40/50UUC
|
Processor |
CXM1/80486SX/UMCU5/CX486M6/AM486DX/80486DX/SL80486DX/CX487M7AM486DX2/SL AM486DX2/80486DX2/SL80486DX2/AM486DX4/SL AM486DX4 SL80486DX4/P24D/Pentium Overdrive |
|
Processor Speed |
20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
128MB |
|
Cache |
128/256KB |
|
BIOS |
Award |
|
Dimensions |
260mm x 220mm |
|
I/O Options |
Parallel port, serial ports (2), game port, 32-bit PCI slots (3), green PC connector, floppy drive interface, IDE interfaces (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
CN1 |
IDE interface LED |
D9 |
|
IDE interface 1 |
CN2 |
Green PC connector |
JP13 |
|
Parallel port |
CN3 |
Speaker |
JP15 pins 1 - 4 |
|
Game port |
CN4 |
Power LED & keylock |
JP15 pins 5 - 9 |
|
Floppy drive interface |
CN5 |
Turbo LED |
JP15 pins 10 - 11 |
|
Serial port 1 |
CN6 |
Reset switch |
JP15 pins 12 - 13 |
|
Serial port 2 |
CN7 |
Turbo switch |
JP15 pins 14 - 16 |
|
IDE interface 2 |
CN8 |
+5v ground |
JP15 pins 17 - 18 |
|
+5v ground |
D8 |
32-bit PCI slots |
PC1 - PC3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
BIOS type select 12v flash |
JP3 |
pins 1 & 2 closed |
|
BIOS type select 5v flash |
JP3 |
pins 2 & 3 closed | |
|
BIOS type select EPROM |
JP3 |
Open | |
|
» |
CMOS memory normal operation |
JP6 |
pins 1 & 2 closed |
|
CMOS memory clear |
JP6 |
pins 1 & 2, 3 & 4 closed | |
|
» |
Factory configured - do not alter |
JP9 |
N/A |
|
» |
Factory configured - do not alter |
JP10 |
N/A |
|
» |
Factory configured - do not alter |
JP11 |
N/A |
|
» |
Factory configured - do not alter |
JP12 |
N/A |
|
» |
Factory configured - do not alter |
JP20 |
N/A |
|
» |
Factory configured - do not alter |
JP21 |
N/A |
|
» |
Factory configured - do not alter |
JP46 |
N/A |
|
» |
Factory configured - do not alter |
JP49 |
N/A |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
NONE |
|
2MB |
(1) 512K x 36 |
NONE |
NONE |
NONE |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
|
6MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
|
8MB |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
|
256KB (A) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
256KB (B) |
(4) 64K x 8 |
NONE |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
JP24 |
JP25 |
JP26 |
|
128KB |
Open |
pins 1 & 2 closed |
Open |
|
256KB (A) |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
256KB (B) |
pins 1 & 2 closed |
pins 2 & 3 closed |
Open |
|
CPU TYPE CONFIGURATION | |||||
|
Type |
JP27 |
JP28 |
JP29 |
JP30 |
JP31 |
|
CX M1 |
Closed |
Open |
Closed |
3 & 4 |
Closed |
|
80486SX |
Open |
Closed |
Closed |
Open |
Closed |
|
UMC-U5 |
Open |
Open |
Open |
1 & 2 |
Open |
|
CX486M6 |
Open |
Open |
Open |
Open |
Open |
|
AM486DX |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
80486DX |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
SL80486DX |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
CX486M7 |
Open |
Open |
Open |
3 & 4 |
Open |
|
AM486DX2 |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
SL AM486DX2 WT |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
SL AM486DX2 WB |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
80486DX2 |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
SL80486DX2 |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
AM486DX4 |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
SL AM486DX4 WT |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
SL AM486DX4 WB |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
SL80486DX4 |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
P24D |
Open |
Closed |
Closed |
3 & 4 |
Closed |
|
Pentium Overdrive |
Open |
Open |
Open |
2 & 3 |
Open |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE CONFIGURATION (CON’T) | |||||
|
Type |
JP32 |
JP33 |
JP34 |
JP35 |
JP36 |
|
CX M1 |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
80486SX |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
UMC-U5 |
Open |
Open |
Open |
Open |
Open |
|
CX486M6 |
1 & 2, 3 & 4 |
Open |
1 & 2 |
2 & 3 |
2 & 3 |
|
AM486DX |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
80486DX |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
SL80486DX |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
CX486M7 |
1 & 2, 3 & 4 |
Open |
1 & 2 |
2 & 3 |
2 & 3 |
|
AM486DX2 |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
SL AM486DX2 WT |
2 & 3, 4 & 5 |
2 & 3 |
Open |
Open |
1 & 2 |
|
SL AM486DX2 WB |
2 & 3, 4 & 5 |
2 & 3 |
Open |
Open |
1 & 2 |
|
80486DX2 |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
SL80486DX2 |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
AM486DX4 |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
SL AM486DX4 WT |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
SL AM486DX4 WB |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
SL80486DX4 |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
P24D |
2 & 3, 4 & 5 |
Open |
Open |
Open |
1 & 2 |
|
Pentium Overdrive |
2 & 3, 4 & 5 |
Open |
2 & 3 |
1 & 2 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE CONFIGURATION (CON’T) | ||||||
|
Type |
JP37 |
JP38 |
JP39 |
JP40 |
JP41 |
JP42 |
|
CX M1 |
Open |
2 & 3 |
1 & 2 |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
80486SX |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
|
UMC-U5 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
2 & 3 |
|
CX486M6 |
2 & 3 |
1 & 2 |
1 & 2 |
3 & 4 |
1 & 2 |
2 & 3 |
|
AM486DX |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
80486DX |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
SL80486DX |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
CX486M7 |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
AM486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
SL AM486DX2 WT |
2 & 3 |
1 & 2 |
1 & 2 |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
SL AM486DX2 WB |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
80486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
SL80486DX2 |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
AM486DX4 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
Open |
1 & 2, 3 & 4 |
|
SL AM486DX4 WT |
2 & 3 |
1 & 2 |
1 & 2 |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
SL AM486DX4 WB |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
SL80486DX4 |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
P24D |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4 |
Open |
1 & 2, 3 & 4 |
|
Pentium Overdrive |
2 & 3 |
2 & 3 |
1 & 2 |
3 & 4, 5 & 6 |
1 & 2 |
1 & 2, 3 & 4 |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU TYPE CONFIGURATION | ||
|
Type |
JP22 |
JP23 |
|
Cyrix |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
AMD |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
UMC |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
Intel |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP5 |
JP7 |
JP8 |
|
20MHz |
Open |
Open |
Open |
|
25MHz |
Open |
Open |
Closed |
|
33MHz |
Closed |
Closed |
Closed |
|
40MHz |
Open |
Closed |
Closed |
|
50iMHz |
Open |
Open |
Closed |
|
50MHz |
Closed |
Open |
Open |
|
66iMHz |
Closed |
Closed |
Closed |
|
75iMHz |
Open |
Open |
Closed |
|
80iMHz |
Open |
Closed |
Closed |
|
100iMHz |
Closed |
Closed |
Closed |
|
CPU VOLTAGE CONFIGURATION | |||
|
Voltage |
JP14 |
JP18 |
JP19 |
|
3.3v |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
4v |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
5v |
Open |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
DMA CONFIGURATION | ||
|
DMA |
JP47 |
JP48 |
|
DMA 1 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
DMA 3 |
pins 2 & 3 closed |
pins 2 & 3 closed |