BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-8433AEP
|
Processor |
80486SX/CX486M7/CX486DX/AM486DX/AM486DX PLUS/UMC U5/80486DX/ CX486DX2/AM486DX2/AM486DX2 PLUS/80486DX2/AM486DX4/80486DX4/ SL Pentium Overdrive/Cyrix M1 |
|
Processor Speed |
25/33/40/66(internal)/75(internal)/80(internal)/100(internal)/120(internal)MHz |
|
Chip Set |
AMD |
|
Max. Onboard DRAM |
64MB |
|
Cache |
128/256/512KB |
|
BIOS |
AMI |
|
Dimensions |
220mm x 210mm |
|
I/O Options |
PS/2 mouse port, parallel port, serial ports (2), 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Floppy drive interface |
J4 |
Turbo LED |
J12 (pins 10 & 11) |
|
IDE interface (primary) |
J5 |
Reset switch |
J12 (pins 12 & 13) |
|
Serial port 2 |
J6 |
Green PC connector |
J12 (pins 17 - 19) |
|
IDE interface (secondary) |
J8 |
IDE interface LED |
J12 (pins 20 - 22) |
|
Serial port 1 |
J9 |
Turbo switch |
J12 (pins 23 & 24) |
|
Parallel port |
J10 |
Chassis fan power |
JP2 |
|
External battery |
J11 |
32-bit PCI slots |
PCI1 - PCI3 |
|
Speaker |
J12 (pins 1 - 4) |
PS/2 mouse port |
S1 |
|
Power LED & keylock |
J12 (pins 5 - 9) | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
CMOS memory normal operation |
J11 |
pins 2 & 3 closed |
|
CMOS memory clear |
J11 |
pins 3 & 4 closed | |
|
» |
Factory configured - do not alter |
J13 |
N/A |
|
Flash BIOS voltage select 5v |
JP22 |
pins 2 & 3 closed | |
|
Flash BIOS voltage select 12v |
JP22 |
pins 1 & 2 closed | |
|
Flash BIOS EPROM |
JP22 |
Open | |
|
» |
Internal battery enabled |
JP25 |
Closed |
|
Internal battery disabled |
JP25 |
Open | |
|
» |
Power good signal detect from power supply |
JP26 |
pins 1 & 2 closed |
|
Power good signal detect from board |
JP26 |
pins 2 & 3 closed | |
|
» |
Factory configured - do not alter |
U2 |
N/A |
|
» |
Factory configured - do not alter |
U3 |
N/A |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
|
2MB |
NONE |
NONE |
(1) 1M x 36 |
(1) 1M x 36 |
|
2MB |
(1) 2M x 36 |
NONE |
NONE |
NONE |
|
4MB |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
NONE |
|
4MB |
NONE |
NONE |
(1) 2M x 36 |
(1) 2M x 36 |
|
4MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
4MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
|
6MB |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
6MB |
NONE |
NONE |
(1) 2M x 36 |
(1) 4M x 36 |
|
8MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
|
8MB |
NONE |
NONE |
(1) 4M x 36 |
(1) 4M x 36 |
|
8MB |
(1) 8M x 36 |
NONE |
NONE |
NONE |
|
10MB |
(1) 2M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
10MB |
NONE |
NONE |
(1) 2M x 36 |
(1) 8M x 36 |
|
12MB |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
12MB |
NONE |
NONE |
(1) 4M x 36 |
(1) 8M x 36 |
|
16MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
16MB |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
NONE |
|
16MB |
NONE |
NONE |
(1) 8M x 36 |
(1) 8M x 36 |
|
16MB |
(1) 16M x 36 |
NONE |
NONE |
NONE |
|
18MB |
(1) 2M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
18MB |
NONE |
NONE |
(1) 2M x 36 |
(1) 16M x 36 |
|
20MB |
(1) 4M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
20MB |
NONE |
NONE |
(1) 4M x 36 |
(1) 16M x 36 |
|
24MB |
(1) 8M x 36 |
(1) 16M x 36 |
NONE |
NONE |
|
24MB |
NONE |
NONE |
(1) 8M x 36 |
(1) 16M x 36 |
|
32MB |
(1) 32M x 36 |
NONE |
NONE |
NONE |
|
33MB |
(1) 1M x 36 |
(1) 32M x 36 |
NONE |
NONE |
|
33MB |
NONE |
NONE |
(1) 1M x 36 |
(1) 32M x 36 |
|
34MB |
(1) 2M x 36 |
(1) 32M x 36 |
NONE |
NONE |
|
DRAM CONFIGURATION (CON’T) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
34MB |
NONE |
NONE |
(1) 2M x 36 |
(1) 32M x 36 |
|
36MB |
(1) 4M x 36 |
(1) 32M x 36 |
NONE |
NONE |
|
36MB |
NONE |
NONE |
(1) 4M x 36 |
(1) 32M x 36 |
|
40MB |
(1) 8M x 36 |
(1) 32M x 36 |
NONE |
NONE |
|
40MB |
NONE |
NONE |
(1) 8M x 36 |
(1) 32M x 36 |
|
48MB |
(1) 16M x 36 |
(1) 32M x 36 |
NONE |
NONE |
|
48MB |
NONE |
NONE |
(1) 16M x 36 |
(1) 32M x 36 |
|
64MB |
(1) 32M x 36 |
(1) 32M x 36 |
NONE |
NONE |
|
64MB |
NONE |
NONE |
(1) 32M x 36 |
(1) 32M x 36 |
|
CACHE CONFIGURATION | ||
|
Size |
Bank 0 |
TAG |
|
128KB |
(4) 32K x 8 |
(1) 8K x 8 |
|
256KB (A) |
(4) 64K x 8 |
(1) 16K x 8 |
|
256KB (B) |
(4) 64K x 8 |
(1) 32K x 8 |
|
512KB |
(4) 64K x 8 |
(1) 32K x 8 |
|
CACHE JUMPER CONFIGURATION | ||
|
Size |
JP20 |
JP21 |
|
128KB |
pins 1 & 2 closed |
Open |
|
256KB (A) |
Open |
pins 1 & 2 closed |
|
256KB (B) |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
512KB |
pins 2 & 3 closed |
pins 2 & 3 closed |
|
CPU TYPE CONFIGURATION | ||||
|
Type |
JP5 |
JP6 |
JP7 |
JP8 |
|
80486SX |
5 & 6 |
Open |
2 & 3, 4 & 5 |
Open |
|
CX486DX |
1 & 2, 4 & 5 |
Open |
1 & 2, 4 & 5 |
1 & 2 |
|
AM486DX |
1 & 2, 4 & 5 |
Open |
2 & 3, 4 & 5 |
Open |
|
AM486DX PLUS WB |
1 & 2, 4 & 5 |
Open |
1 & 2 |
Open |
|
AM486DX PLUS WT |
1 & 2, 4 & 5 |
5 & 6 |
1 & 2, 4 & 5 |
Open |
|
U5 |
Open |
Open |
4 & 5 |
Open |
|
80486DX |
1 & 2, 4 & 5 |
Open |
2 & 3, 4 & 5 |
Open |
|
CX486DX2 |
1 & 2, 4 & 5 |
1 & 2 |
1 & 2, 4 & 5 |
1 & 2, 3 & 4 |
|
AM486DX2 |
1 & 2, 4 & 5 |
4 & 5 |
2 & 3, 4 & 5 |
Open |
|
AM486DX2 PLUS WB |
1 & 2, 4 & 5 |
3 & 4 |
1 & 2 |
Open |
|
AM486DX2 PLUS WT |
1 & 2, 4 & 5 |
3 & 4, 5 & 6 |
1 & 2, 4 & 5 |
Open |
|
80486DX2 |
1 & 2, 4 & 5 |
4 & 5 |
2 & 3, 4 & 5 |
Open |
|
CX486DX4 |
1 & 2, 4 & 5 |
Open |
1 & 2, 4 & 5 |
1 & 2 |
|
AM486DX4 |
1 & 2, 4 & 5 |
Open |
2 & 3, 4 & 5 |
Open |
|
AM486DX4 PLUS WB |
1 & 2, 4 & 5 |
Open |
1 & 2 |
Open |
|
AM486DX2 PLUS WT |
1 & 2, 4 & 5 |
5 & 6 |
1 & 2, 4 & 5 |
Open |
|
80486DX4 |
1 & 2, 4 & 5 |
Open |
1 & 2, 4 & 5 |
Open |
|
CPU TYPE CONFIGURATION (CON’T) | ||||
|
Type |
JP5 |
JP6 |
JP7 |
JP8 |
|
P24D |
1 & 2, 4 & 5 |
Open |
1 & 2 |
Open |
|
M1 |
1 & 2, 4 & 5 |
Open |
1 & 2, 4 & 5 |
Open |
|
Note: Pins designated should be in the closed position. | ||||
|
CPU TYPE CONFIGURATION (CON’T) | ||||
|
Type |
RN6 |
RN7 |
RN8 |
RN9 |
|
80486SX |
Not installed |
Installed |
Not installed |
Installed |
|
CX486DX |
Not installed |
Not installed |
Installed |
Not installed |
|
AM486DX |
Not installed |
Installed |
Not installed |
Installed |
|
AM486DX PLUS WB |
Not installed |
Installed |
Not installed |
Installed |
|
AM486DX PLUS WT |
Not installed |
Installed |
Not installed |
1 - 4 installed only |
|
U5 |
Installed |
Not installed |
Not installed |
Not installed |
|
80486DX |
Not installed |
Installed |
Not installed |
Installed |
|
CX486DX2 |
Not installed |
Not installed |
Installed |
Not installed |
|
AM486DX2 |
Not installed |
Installed |
Not installed |
Installed |
|
AM486DX2 PLUS WB |
Not installed |
Installed |
Not installed |
Installed |
|
AM486DX2 PLUS WT |
Not installed |
Installed |
Not installed |
1 - 4 installed only |
|
80486DX2 |
Not installed |
Installed |
Not installed |
Installed |
|
CX486DX4 |
Not installed |
Not installed |
Installed |
Not installed |
|
AM486DX4 |
Not installed |
Installed |
Not installed |
Installed |
|
AM486DX4 PLUS WB |
Not installed |
Installed |
Not installed |
Installed |
|
AM486DX4 PLUS WT |
Not installed |
Installed |
Not installed |
1 - 4 installed only |
|
80486DX4 |
Not installed |
Installed |
Not installed |
Installed |
|
P24D |
Not installed |
Installed |
Not installed |
Installed |
|
M1 |
Not installed |
Installed |
Not installed |
1 - 4 installed only |
|
Note: Pins designated should be in the closed position. | ||||
|
CPU SPEED CONFIGURATION | ||||
|
Speed |
JP11 |
JP16 |
JP18 |
JP19 |
|
25MHz |
pins 1 & 2 closed |
Open |
Open |
Open |
|
33MHz |
pins 1 & 2 closed |
Open |
Closed |
Closed |
|
40MHz |
pins 2 & 3 closed |
Closed |
Open |
Closed |
|
66iMHz |
pins 1 & 2 closed |
Open |
Closed |
Closed |
|
75iMHz |
pins 1 & 2 closed |
Open |
Open |
Open |
|
80iMHz |
pins 2 & 3 closed |
Closed |
Open |
Closed |
|
100iMHz |
pins 1 & 2 closed |
Open |
Closed |
Closed |
|
120iMHz |
pins 2 & 3 closed |
Closed |
Open |
Closed |
|
CPU VOLTAGE CONFIGURATION | |||
|
Voltage |
JP1 |
JP3 |
JP4 |
|
3.45v |
pins 2 & 3 closed |
Open |
Open |
|
4v |
pins 1 & 2 closed |
Open |
Open |
|
5v |
pins 2 & 3 closed |
Closed |
Closed |
|
DMA CONFIGURATION | ||
|
DMA |
JP9 |
JP10 |
|
DMA 1 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
DMA 3 |
pins 2 & 3 closed |
pins 1 & 2 closed |