BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-8500SAC
|
Processor |
CX M1/AM K5/Pentium |
|
Processor Speed |
75/90/100/120/133/150/166/180MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
SIS |
|
Maximum Onboard Memory |
128MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512/1024KB |
|
BIOS |
Award |
|
Dimensions |
280mm 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), feature connector, audio connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
PS/2 mouse port |
J6 |
Audio connector |
J20 |
|
VGA IDC connector |
J7 |
Chassis fan power |
JP12 |
|
VGA D type connector |
J8 |
Speaker |
JP14 pins 1 - 4 |
|
Feature connector |
J10 |
Power LED & keylock |
JP14 pins 5 - 9 |
|
Serial port 2 |
J11 |
Turbo LED |
JP14 pins 10 & 11 |
|
Floppy drive interface |
J12 |
Reset switch |
JP14 pins 12 & 13 |
|
Serial port 1 |
J13 |
Green PC connector |
JP14 pins 17 & 18 |
|
Parallel port |
J14 |
IDE interface LED |
JP14 pins 20 & 21 |
|
IDE interface 1 |
J15 |
VCC ground connector |
JP14 pins 25 & 26 |
|
IDE interface 2 |
J16 |
32-bit PCI slots |
PC1 - PC3 |
|
External battery |
J18 | ||
|
Note: J6, J7 and J8 are optional. Only one will be installed where J6 is shown. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Jumper information unavailable |
J2 |
N/A | |
|
Jumper information unavailable |
JP4 |
Unidentified | |
|
|
CMOS memory normal operation |
J18 |
Open |
|
CMOS memory clear |
J18 |
Pins 3 & 4 closed | |
|
Battery type select external |
J18 |
Closed | |
|
|
Jumper information unavailable |
J19 |
Unidentified |
|
|
Factory configured - do not alter |
JP2 |
Unidentified |
|
|
Battery type select internal |
JP9 |
Closed |
|
Battery type select external |
JP9 |
Open | |
|
Flash BIOS voltage select 12v |
JP10 |
Pins 1 & 2 closed | |
|
Flash BIOS voltage select 5v |
JP10 |
Pins 2 & 3 closed | |
|
Flash BIOS EPROM or 0v flash |
JP10 |
Open | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(1) 1M x 36 |
None |
None |
None |
|
8MB |
(1) 2M x 36 |
None |
None |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
None |
None |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
None |
|
16MB |
(1) 4M x 36 |
None |
None |
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 |
|
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 |
|
DRAM CONFIGURATION (CONT) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
None |
None |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
None |
None |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
None |
None |
|
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) 4M x 36 |
None |
None |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
None |
None |
|
36MB |
(1) 1M x 36 |
(1) 8M x 36 |
None |
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) 8M x 36 |
None |
None |
|
44MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
None |
None |
|
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
None |
None |
|
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: Board accepts EDO memory. | ||||
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
256KB (A) |
None |
(2) 32K x 32 |
None |
|
256KB (B) |
(8) 32K x 8 |
None |
(1) 8K x 8 |
|
512KB |
(8) 64K x 8 |
None |
(1) 32K x 8 |
|
1MB |
(8) 128K x 8 |
None |
(1) 32K x 8 |
|
Note: Board will either have asynchronous or synchronous pipeline burst cache installed. | |||
|
CACHE JUMPER CONFIGURATION | |
|
Size |
JP6 |
|
256KB (B) |
Open |
|
512KB |
Pins 1 & 2 closed |
|
1MB |
Pins 1 & 2, 3 & 4 closed |
|
CPU TYPE SELECTION | ||
|
Type |
JP15 |
JP16 |
|
P54C/CQS/CT |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
P55C/CT |
Open |
Pins 2 & 3 closed |
|
CPU TYPE SELECTION | ||
|
Type |
JP15 |
JP16 |
|
P54C/CQS/CT |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
P55C/CT |
Open |
Pins 2 & 3 closed |
|
CPU SPEED SELECTION | |||
|
Speed |
JP7 |
JP8 |
JP11 |
|
75MHz |
Open |
Closed |
Open |
|
90MHz |
Closed |
Open |
Open |
|
100MHz |
Open |
Open |
Open |
|
120MHz |
Closed |
Open |
Pins 1 & 2 closed |
|
133MHz |
Open |
Open |
Pins 1 & 2 closed |
|
150MHz |
Closed |
Open |
Pins 1 & 2, 3 & 4 closed |
|
166MHz |
Open |
Open |
Pins 1 & 2, 3 & 4 closed |
|
180MHz |
Closed |
Open |
Pins 3 & 4 closed |
|
CPU VOLTAGE SELECTION | |
|
Voltage |
JP13 |
|
3.4v (VRE CPU) |
Pins 1 & 2 closed |
|
3.5v (VR CPU) |
Pins 2 & 3 closed |
|
CPU VOLTAGE SELECTION | |
|
Voltage |
JP16 |
|
3.3v (P55C/CT) |
Pins 2 & 3 closed |
|
5v (P54C/CQS/CT) |
Pins 1 & 2 closed |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Depending on board version, a VGA D type port or a serial port could be installed where J6 is shown. |