BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-1425/1433/1440/1450UHT VER. 2
|
Processor |
CX486M6/80486SX/CX486M7/80486DX/80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
128MB |
|
Cache |
128/256/512/1024KB |
|
BIOS |
Award |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
32-bit VESA local bus slots (2), 32-bit PCI slots (3) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP8 |
Turbo switch |
JP15 (pins 14 - 15) |
|
Speaker |
JP15 (pins 1 - 4) |
+5v ground |
JP15 (pins 17 - 18) |
|
Power LED & keylock |
JP15 (pins 5 - 9) |
32-bit PCI slots |
PC1 - PC3 |
|
Turbo LED |
JP15 (pins 10 - 11) |
32-bit VESA local bus slots |
SL1 & SL2 |
|
Reset switch |
JP15 (pins 12 - 13) | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
CMOS memory normal operation |
JP8 |
Open |
|
CMOS memory clear |
JP8 |
pins 3 & 4 closed | |
|
Battery type select external |
JP8 |
Closed | |
|
|
Power good signal detect from power supply |
JP10 |
pins 1 & 2 closed |
|
Power good signal detect from board |
JP10 |
pins 2 & 3 closed | |
|
|
Password select normal |
JP16 |
Open |
|
Password select clear |
JP16 |
Closed | |
|
|
Factory configured - do not alter |
JP23 |
Open |
|
|
Factory configured - do not alter |
JP24 |
Open |
|
|
Factory configured - do not alter |
JP25 |
Open |
|
|
Factory configured - do not alter |
JP30 |
Open |
|
|
Factory configured - do not alter |
JP31 |
Open |
|
|
Factory configured - do not alter |
JP32 |
Open |
|
|
Hardware management select normal operation |
JP40 |
Open |
|
Hardware management select trigger for SMM mode |
JP40 |
Closed | |
|
|
CPU type select all |
JP60 |
Open |
|
CPU type select AMD 80486DX2-66/80 only |
JP60 |
Closed | |
|
Note: The location of JP60 is unidentified. | |||
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
2MB |
(4) 512K x 9 |
NONE |
NONE |
|
2MB |
NONE |
(1) 512K x 36 |
NONE |
|
2MB |
NONE |
NONE |
(1) 512K x 36 |
|
4MB |
(4) 1M x 9 |
NONE |
NONE |
|
4MB |
NONE |
(1) 512K x 36 |
(1) 512K x 36 |
|
4MB |
NONE |
(1) 1M x 36 |
NONE |
|
4MB |
NONE |
NONE |
NONE |
|
6MB |
(4) 1M x 9 |
(1) 512 x 36 |
NONE |
|
6MB |
(4) 1M x 9 |
NONE |
(1) 512 x 36 |
|
8MB |
(4) 1M x 9 |
(1) 512K x 36 |
(1) 512K x 36 |
|
8MB |
(4) 1M x 9 |
(1) 1M x 36 |
NONE |
|
8MB |
(4) 1M x 9 |
NONE |
(1) 1M x 36 |
|
8MB |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
|
8MB |
NONE |
(1) 2M x 36 |
NONE |
|
8MB |
NONE |
NONE |
(1) 2M x 36 |
|
16MB |
(4) 4M x 9 |
NONE |
NONE |
|
16MB |
NONE |
(1) 2M x 36 |
(1) 2M x 36 |
|
16MB |
NONE |
(1) 4M x 36 |
NONE |
|
16MB |
NONE |
NONE |
(1) 4M x 36 |
|
24MB |
(4) 4M x 9 |
(1) 1M x 36 |
(1) 1M x 36 |
|
24MB |
(4) 4M x 9 |
(1) 2M x 36 |
NONE |
|
24MB |
(4) 4M x 9 |
NONE |
(1) 2M x 36 |
|
DRAM CONFIGURATION (CONT) | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
32MB |
(4) 4M x 9 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(4) 4M x 9 |
(1) 4M x 36 |
NONE |
|
32MB |
(4) 4M x 9 |
NONE |
(1) 4M x 36 |
|
32MB |
(4) 8M x 9 |
NONE |
NONE |
|
32MB |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB |
NONE |
(1) 8M x 36 |
NONE |
|
32MB |
NONE |
NONE |
(1) 8M x 36 |
|
64MB |
(4) 16M x 9 |
NONE |
NONE |
|
64MB |
NONE |
(1) 8M x 36 |
(1) 8M x 36 |
|
128MB |
(4) 16M x 9 |
(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 |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
512KB |
(4) 64K x 8 |
(4) 64K x 8 |
(1) 32K x 8 |
|
1MB |
(4) 128K x 8 |
(4) 128K x 8 |
(1) 64K x 8 |
|
CACHE JUMPER CONFIGURATION | ||||
|
Size |
JP22 |
JP34 |
JP35 |
JP36 |
|
128KB |
1 & 2 |
Open |
1 & 2 |
2 & 3 |
|
256KB |
1 & 2, 3 & 4 |
Open |
2 & 3 |
1 & 2 |
|
512KB |
1 & 2, 3 & 4, 5 & 6 |
3 & 4 |
2 & 3 |
1 & 2 |
|
1MB |
1 & 2, 3 & 4, 5 & 6, 7 & 8 |
1 & 2, 3 & 4 |
2 & 3 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | ||||
|
CPU TYPE CONFIGURATION | ||
|
Type |
JP19 |
JP20 |
|
AMD |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
Cyrix |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
Intel |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION | |||||
|
Type |
JP37 |
JP38 |
JP39 |
JP41 |
JP42 |
|
CX486M6 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
3 & 4 |
2 & 3 |
2 & 3 |
|
80486SX |
Open |
2 & 3 |
1 & 2 |
Open |
Open |
|
CX486M7 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
3 & 4 |
2 & 3 |
2 & 3 |
|
SL80486 |
1 & 2, 3 & 4 |
1 & 2, 3 & 4 |
3 & 4 |
2 & 3 |
2 & 3 |
|
80486DX |
Open |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
Open |
|
80486DX2 |
Open |
1 & 2, 3 & 4 |
1 & 2 |
2 & 3 |
Open |
|
80486DX4 |
2 & 3, 4 & 5 |
1 & 2, 3 & 4 |
3 & 4 |
2 & 3 |
1 & 2, 3 & 4 |
|
Pentium Overdrive |
2 & 3, 4 & 5 |
1 & 2, 3 & 4 |
3 & 4, 5 & 6 |
2 & 3 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||
|
CPU TYPE CONFIGURATION | ||||
|
Type |
JP44 |
JP45 |
JP46 |
JP47 |
|
CX486M6 |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
80486SX |
Open |
Open |
Open |
Open |
|
CX486M7 |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
SL80486 |
Open |
pins 1 & 2 closed |
Open |
Open |
|
80486DX |
Open |
Open |
Open |
Open |
|
80486DX2 |
Open |
Open |
Open |
Open |
|
80486DX4 |
pins 3 & 4 closed |
pins 1 & 2 closed |
Open |
Open |
|
Pentium Overdrive |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU SPEED CONFIGURATION | |
|
Speed |
JP33 |
|
25MHz |
pins 1 & 2 closed |
|
33MHz |
pins 1 & 2, 3 & 4, 5 & 6 closed |
|
40MHz |
pins 1 & 2, 3 & 4 closed |
|
50iMHz |
pins 1 & 2 closed |
|
50MHz |
pins 5 & 6 closed |
|
66iMHz |
pins 1 & 2, 3 & 4, 5 & 6 closed |
|
75iMHz |
pins 1 & 2 closed |
|
100iMHz |
pins 1 & 2, 3 & 4, 5 & 6 closed |
|
CPU CLOCK CONFIGURATION | |
|
Speed |
JP48 |
|
2x |
pins 2 & 3 closed |
|
2.5x |
pins 1 & 2 closed |
|
3x |
Open |
|
CPU VOLTAGE CONFIGURATION | |||||
|
Voltage |
JP29 |
JP49 |
JP50 |
JP51 |
JP52 |
|
3.3v |
Open |
Open |
Open |
Closed |
Closed |
|
5v |
pins 1 & 2, 3 & 4 closed |
Closed |
Closed |
Open |
Open |
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
JP53 |
|
0 wait states |
Open |
|
1 wait state |
Closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP54 |
|
<= 33MHz |
Open |
|
> 33MHz |
Closed |