BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-1425/33/40/50 UIV
|
Processor |
80486SX/CX486M6/CX486M7/AMD486DXL/80486DX/80486DX2/80486DX4/ P24D/Pentium Overdrive |
|
Processor Speed |
25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
64MB |
|
Cache |
64/128/256KB |
|
BIOS |
AMI/Award |
|
Dimensions |
254mm x 220mm |
|
I/O Options |
32-bit VESA local bus slots (3), green PC connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External battery |
JP8 |
Turbo switch |
JP15E |
|
Speaker |
JP15A |
+5vDC |
JP15F |
|
Power LED & keylock |
JP15B |
Green PC LED |
JP24 |
|
Turbo LED |
JP15C |
Green PC connector |
JP25 |
|
Reset switch |
JP15D |
32-bit VESA local bus slots |
SL1 - SL3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
CMOS memory normal operation |
JP8 |
pins 2 & 3 closed |
|
CMOS memory clear |
JP8 |
pins 3 & 4 closed | |
|
» |
Factory configured - do not alter |
JP31 |
Open |
|
» |
Factory configured - do not alter |
JP32 |
Open |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0/2 |
Bank 1/3 |
Bank 2 |
|
1MB |
NONE |
NONE |
(4) 256K x 9 |
|
1MB |
(1) 256K x 36 |
NONE |
NONE |
|
1MB |
NONE |
(1) 256K x 36 |
NONE |
|
2MB |
(1) 256K x 36 |
NONE |
(4) 256K x 9 |
|
2MB |
NONE |
(1) 256K x 36 |
(4) 256K x 9 |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
|
2MB |
(1) 512K x 36 |
NONE |
NONE |
|
2MB |
NONE |
(1) 512K x 36 |
NONE |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(4) 256K x 9 |
|
3MB |
NONE |
(1) 512K x 36 |
(4) 256K x 9 |
|
3MB |
(1) 256K x 36 |
(1) 512K x 36 |
NONE |
|
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
NONE |
|
4MB |
(1) 256K x 36 |
(1) 512K x 36 |
(4) 256K x 9 |
|
4MB |
NONE |
NONE |
(4) 1M x 9 |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
NONE |
|
4MB |
(1) 1M x 36 |
NONE |
NONE |
|
4MB |
NONE |
(1) 1M x 36 |
NONE |
|
5MB |
(1) 1M x 36 |
NONE |
(4) 256K x 9 |
|
5MB |
NONE |
(1) 1M x 36 |
(4) 256K x 9 |
|
5MB |
(1) 256K x 36 |
NONE |
(4) 1M x 9 |
|
5MB |
NONE |
(1) 256K x 36 |
(4) 1M x 9 |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
NONE |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
|
6MB |
NONE |
(1) 512K x 36 |
(4) 1M x 9 |
|
6MB |
(1) 1M x 36 |
(1) 512K x 36 |
NONE |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
NONE |
|
7MB |
(1) 1M x 36 |
(1) 512K x 36 |
(4) 256K x 9 |
|
7MB |
(1) 256K x 36 |
(1) 512K x 36 |
(4) 1M x 9 |
|
8MB |
(1) 1M x 36 |
NONE |
(4) 1M x 9 |
|
8MB |
NONE |
(1) 1M x 36 |
(4) 1M x 9 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
8MB |
(1) 2M x 36 |
NONE |
NONE |
|
8MB |
NONE |
(1) 2M x 36 |
NONE |
|
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 256K x 9 |
|
9MB |
(1) 1M x 36 |
(1) 256K x 36 |
(4) 1M x 9 |
|
9MB |
(1) 256K x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
|
10MB |
(1) 1M x 36 |
(1) 512K x 36 |
(4) 1M x 9 |
|
DRAM CONFIGURATION (CON’T) | |||
|
Size |
Bank 0/2 |
Bank 1/3 |
Bank 2 |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
|
12MB |
NONE |
(1) 2M x 36 |
(4) 1M x 9 |
|
16MB |
(1) 1M x 36 |
(1) 2M x 36 |
(4) 1M x 9 |
|
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
|
16MB |
NONE |
NONE |
(4) 4M x 9 |
|
16MB |
(1) 4M x 36 |
NONE |
NONE |
|
16MB |
NONE |
(1) 4M x 36 |
NONE |
|
17MB |
(1) 4M x 36 |
NONE |
(4) 256K x 9 |
|
17MB |
NONE |
(1) 4M x 36 |
(4) 256K x 9 |
|
17MB |
(1) 256K x 36 |
NONE |
(4) 4M x 9 |
|
17MB |
NONE |
(1) 256K x 36 |
(4) 4M x 9 |
|
18MB |
(1) 256K x 36 |
(1) 4M x 36 |
(4) 256K x 9 |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(4) 256K x 9 |
|
19MB |
(1) 4M x 36 |
(1) 512K x 36 |
(4) 256K x 9 |
|
20MB |
(1) 4M x 36 |
NONE |
(4) 1M x 9 |
|
20MB |
(1) 4M x 36 |
NONE |
(4) 4M x 9 |
|
20MB |
NONE |
(1) 1M x 36 |
(4) 4M x 9 |
|
21MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 256K x 9 |
|
21MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 256K x 9 |
|
24MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 1M x 9 |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 1M x 9 |
|
32MB |
(1) 4M x 36 |
NONE |
(4) 4M x 9 |
|
32MB |
NONE |
(1) 4M x 36 |
(4) 4M x 9 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
32MB |
(1) 8M x 36 |
NONE |
NONE |
|
32MB |
NONE |
(1) 8M x 36 |
NONE |
|
33MB |
(1) 8M x 36 |
NONE |
(4) 256K x 9 |
|
33MB |
NONE |
(1) 8M x 36 |
(4) 256K x 9 |
|
33MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 256K x 9 |
|
33MB |
(1) 4M x 36 |
(1) 256K x 36 |
(4) 4M x 9 |
|
33MB |
(1) 256K x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
|
34MB |
(1) 4M x 36 |
(1) 512K x 36 |
(4) 4M x 9 |
|
36MB |
(1) 4M x 36 |
(1) 1M x 36 |
(4) 4M x 9 |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
|
48MB |
NONE |
(1) 8M x 36 |
(4) 4M x 9 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(4) 4M x 9 |
|
48MB |
NONE |
(1) 8M x 36 |
(4) 4M x 9 |
|
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
NONE |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
64KB |
(4) 8K x 8 |
(4) 8K x 8 |
(1) 8K x 8 |
|
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 |
JP7 |
JP9 |
JP10 |
JP33 |
|
64KB |
Open |
Open |
pins 2 & 3 closed |
Open |
|
128KB |
Open |
pins 1 & 2 closed |
pins 1 & 2 closed |
Closed |
|
256KB (A) |
Closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
Closed |
|
256KB(B) |
Closed |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
Closed |
|
CPU TYPE CONFIGURATION | |||
|
Type |
JP11 |
JP12 |
JP13 |
|
UMC486 |
2 & 3 |
2 & 3 |
2 & 3 |
|
CX486M6 |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4, 5 & 6 |
2 & 3 |
|
80486SX |
Open |
2 & 3 |
2 & 3 |
|
CX486M7 |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
|
AMD486DXL |
2 & 3 |
2 & 3 |
1 & 2, 3 & 4 |
|
80486DX |
Open |
2 & 3 |
1 & 2, 3 & 4 |
|
SL80486DX |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
|
80486DX4 |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
|
P24D |
1 & 2, 4 & 5 |
1 & 2, 4 & 5 |
1 & 2, 3 & 4 |
|
Pentium Overdrive |
1 & 2 |
1 & 2 |
1 & 2, 3 & 4 |
|
Note: Pins designated should be in the closed position. | |||
|
CPU TYPE CONFIGURATION (CON’T) | ||||
|
Type |
JP17 |
JP18 |
JP19 |
JP35 |
|
UMC486 |
3 & 4 |
1 & 2 |
Open |
Closed |
|
CX486M6 |
Open |
2 & 3, 4 & 5 |
2 & 3, 4 & 5 |
Open |
|
80486SX |
Open |
Open |
Open |
Closed |
|
CX486M7 |
1 & 2 |
2 & 3, 4 & 5 |
2 & 3 |
Open |
|
AMD486DXL |
1 & 2, 3 & 4 |
1 & 2 |
Open |
Closed |
|
80486DX |
1 & 2 |
Open |
Open |
Closed |
|
SL80486DX |
1 & 2 |
5 & 6 |
1 & 2, 3 & 4 |
Open |
|
80486DX4 |
1 & 2 |
5 & 6 |
1 & 2, 3 & 4 |
Open |
|
P24D |
1 & 2 |
3 & 4, 5 & 6 |
1 & 2, 3 & 4 |
Open |
|
Pentium Overdrive |
2 & 3 |
5 & 6 |
1 & 2, 3 & 4 |
Open |
|
Note: Pins designated should be in the closed position. | ||||
|
CPU SPEED CONFIGURATION | |||
|
Speed |
JP4 |
JP5 |
JP6 |
|
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 |
|
100iMHz |
Closed |
Closed |
Closed |
|
CPU VOLTAGE CONFIGURATION | |||
|
Voltage |
JP14 |
JP16 |
JP27 |
|
3.45v (DX4) |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
5.0v |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
VESA WAIT STATE CONFIGURATION | |
|
Wait states |
JP22 |
|
0 wait states |
Open |
|
1 wait state |
Closed |
|
BUS SPEED CONFIGURATION | |
|
CPU speed |
JP21 |
|
<= 33MHz |
Open |
|
> 33MHz |
Closed |