BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-8425UUD-A, MB-8433UUD-A, MB-8440UUD-A (VER. 1 & 2, ALL MODELS)
|
Processor |
UMCU5S/CX486DX/AM486DX/(SL)AM486DX(SV8B)/(SL)AM486DX(SV8T)/80486DX/CX486DX2/AM486DX2/9SL)AM486DX2(SV8B)/ (SL)AM486DX2(SV8T)/80486DX2/CX486DX4/(SL)CX486DX4/AM486DX4/(SL)AM486DX4(SV8B)/(SL)AM486DX4(SV8T)/80486DX4/P24D/P24T/ CX5X86/AM5X86 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
128MB |
|
Maximum Video Memory |
None |
|
Cache |
128/256/512KB |
|
BIOS |
Award |
|
Dimensions |
220mm x 220mm |
|
I/O Options |
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Green PC LED |
JP1 pins 14 & 15 |
|
Serial port 2 |
CN2 |
Reset switch |
JP1 pins12 & 13 |
|
Parallel port |
CN3 |
Green PC connector |
JP1 pins 17 & 18 |
|
Floppy drive interface |
CN4 |
IDE interface LED |
JP1 pins 20 & 21 |
|
IDE interface 1 |
CN5 |
Turbo switch |
JP1 pins 23 & 24 |
|
IDE interface 2 |
CN6 |
+12v ground |
JP1 pins 25 & 26 |
|
PS/2 mouse port |
CN7 |
External battery |
JP42 |
|
Speaker |
JP1 pins 1- 4 |
PS/2 mouse interface |
JP47 |
|
Power LED & keylock |
JP1 pins 5 - 9 |
32-bit PCI slots |
PC1 - PC3 |
|
Turbo LED |
JP1 pins 10 & 11 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
» |
Dallas DS12887A normal operation |
JP12 |
Pins 3 & 4 open |
|
Dallas DS12887A clear |
JP12 |
Pins 3 & 4 closed | |
|
Flash BIOS voltage select 12v |
JP13 |
Pins 2 & 3 closed | |
|
Flash BIOS voltage select 5v |
JP13 |
Pins 1 & 2 closed | |
|
EPROM BIOS used |
JP13 |
Open | |
|
» |
CMOS memory normal operation |
JP42 |
Pins 2 & 3 closed |
|
CMOS memory clear |
JP42 |
Pins 3 & 4 closed | |
|
Battery type select external |
JP42 |
Closed | |
|
Note: JP12 is only present if the Dallas DS12887A(BQ3287A)/OEC12C887A clock is installed. | |||
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
None |
None |
None |
|
2MB |
(1) 512K x 36 |
None |
None |
None |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
None |
None |
|
3MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
4MB |
(1) 1M x 36 |
None |
None |
None |
|
4MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
None |
None |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
None |
None |
|
5MB |
(1) 512K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
5MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
None |
None |
|
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
6MB |
(1) 1M x 36 |
(1) 512K x 36 |
None |
None |
|
7MB |
(1) 256K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
8MB |
(1) 2M x 36 |
None |
None |
None |
|
8MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
|
9MB |
(1) 256K x 36 |
(1) 2M x 36 |
None |
None |
|
10MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
10MB |
(1) 2M x 36 |
(1) 512K x 36 |
None |
None |
|
10MB |
(1) 1M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
11MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
12MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
None |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
None |
|
13MB |
(1) 256K x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
14MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
16MB |
(1) 4M x 36 |
None |
None |
None |
|
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
None |
None |
|
17MB |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
None |
None |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
18MB |
(1) 4M x 36 |
(1) 512K x 36 |
None |
None |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
None |
|
20MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
None |
None |
|
25MB |
(1) 256K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
26MB |
(1) 512K x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
28MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 8M x 36 |
None |
None |
None |
|
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
None |
None |
|
33MB |
(1) 256K x 36 |
(1) 8M x 36 |
None |
None |
|
34MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
None |
None |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
34MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
34MB |
(1) 512K x 36 |
(1) 8M x 36 |
None |
None |
|
35MB |
(1) 8M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
36MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
None |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
None |
None |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
38MB |
(1) 8M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
None |
None |
|
40MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
40MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
None |
None |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
None |
None |
|
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
None |
None |
|
49MB |
(1) 256K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
50MB |
(1) 512K x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
52MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
56MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
56MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
None |
None |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
65MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
66MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
68MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
72MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
80MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
97MB |
(1) 256K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
98MB |
(1) 512K x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
100MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
104MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
112MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
Note: Not all configurations are shown. Any SIMM can be installed in any bank. | ||||
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
128KB |
(4) 32K x 8 |
None |
(1) 8K x 8 |
|
256KB (A) |
(4) 64K x 8 |
None |
(1) 32K x 8 |
|
256KB (B) |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
|
512KB |
(4) 128K x 8 |
None |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | |||
|
Size |
JP5 |
JP6 |
JP7 |
|
128KB |
Pins 1 & 2 closed |
Open |
Open |
|
256KB (A) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
256KB (B) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Open |
|
512KB |
Pins 1 & 2 closed |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2, 3 & 4 closed |
|
CPU SPEED SELECTION | |||
|
Speed |
JP15 |
JP16 |
JP17 |
|
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 |
|
Note: JP17 may not be present on all boards. | |||
|
CPU TYPE SELECTION | |||||
|
Type |
JP10 |
JP11 |
JP31 |
JP45 |
JP46 |
|
UMC U5S |
1 & 2 |
2 & 3 |
Open |
2 & 3 |
Open |
|
CX486DX |
2 & 3 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
AM486DX |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
1 & 2, 4 & 5 |
|
(SL)AM486DX(SV8B) |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
(SL)AM486DX(SV8T) |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
80486DX |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
1 & 2, 4 & 5 |
|
CX486DX2 |
2 & 3 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
AM486DX2 |
1 & 2 |
1 & 2 |
Open |
2 & 3, 5 & 6 |
1 & 2, 4 & 5 |
|
(SL)AM486DX2(SV8B) |
1 & 2 |
1 & 2 |
Open |
1 & 2, 4 & 5 |
1 & 2, 4 & 5 |
|
(SL)AM486DX2(SV8T) |
1 & 2 |
1 & 2 |
Open |
1 & 2, 4 & 5 |
1 & 2, 4 & 5 |
|
80486DX2 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
1 & 2, 4 & 5 |
|
CX486DX4 |
2 & 3 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
(SL)CX486DX4 |
2 & 3 |
1 & 2 |
Closed |
1 & 2 |
1 & 2, 4 & 5 |
|
AM486DX4 |
1 & 2 |
1 & 2 |
Open |
2 & 3 |
1 & 2, 4 & 5 |
|
(SL)AM486DX4(SV8B) |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
(SL)AM486DX4(SV8T) |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
80486DX4 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
P24D |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
P24T |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
2 & 3, 4 & 5 |
|
CX5X86 |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
AM5X86-P75 |
1 & 2 |
1 & 2 |
Open |
1 & 2, 4 & 5 |
1 & 2, 4 & 5 |
|
AM5X86-P75+ |
1 & 2 |
1 & 2 |
Open |
1 & 2 |
1 & 2, 4 & 5 |
|
AM5X86-P90 |
1 & 2 |
1 & 2 |
Open |
1 & 2, 4 & 5 |
1 & 2, 4 & 5 |
|
Note: Pins designated should be in the closed position. Ver. 2 does not support the UMC U5S. | |||||
|
CPU TYPE SELECTION (CON’T) | |||||
|
Type |
RN11 |
RN12 |
RN13 |
RN14 |
RN15 |
|
UMC U5S |
Installed |
Not installed |
Not installed |
Not installed |
Not installed |
|
CX486DX |
Not installed |
Installed |
Installed |
Not installed |
Not installed |
|
AM486DX |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
(SL)AM486DX(SV8B) |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
(SL)AM486DX(SV8T) |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
80486DX |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
CX486DX2 |
Not installed |
Installed |
Installed |
Not installed |
Not installed |
|
AM486DX2 |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
(SL)AM486DX2(SV8B) |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
(SL)AM486DX2(SV8T) |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
80486DX2 |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
CX486DX4 |
Not installed |
Installed |
Installed |
Not installed |
Not installed |
|
(SL)CX486DX4 |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
AM486DX4 |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
(SL)AM486DX4(SV8B) |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
(SL)AM486DX4(SV8T) |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
80486DX4 |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
P24D |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
P24T |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
CX5X86 |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
AM5X86-P75 |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
AM5X86-P75+ |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
AM5X86-P90 |
Not installed |
Not installed |
Not installed |
Installed |
Installed |
|
Note: RN11 is not present on Ver. 2 Ver. 2 does not support the UMC U5S. | |||||
|
CPU VOLTAGE SELECTION | |||
|
Voltage |
JP36 |
JP37 |
JP39 |
|
3.45v |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
4v |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
5v |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
DMA CHANNEL SELECTION | ||
|
Channel |
JP8 |
JP9 |
|
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |