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# BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-8500TVR
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS AMI
Dimensions 285mm x 220mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), VGA interface, cache slot, IR
connector, USB connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+-------------------+-----------|
| PS/2 mouse | J1 | IR connector | J15 |
| interface | | (optional) | |
|-----------------+----------+-------------------+-----------|
| VGA interface | J6 | Speaker | J16 pins |
| | | | 1 - 4 |
|-----------------+----------+-------------------+-----------|
| Floppy drive | J7 | Power LED & | J16 pins |
| interface | | keylock | 5 - 9 |
|-----------------+----------+-------------------+-----------|
| IDE interface 1 | J8 | Turbo LED | J16 pins |
| | | | 10 & 11 |
|-----------------+----------+-------------------+-----------|
| USB connector | J9 | Reset switch | J16 pins |
| | | | 12 & 13 |
|-----------------+----------+-------------------+-----------|
| erial port 1 | J10 | Green PC | J16 pins |
| | | connector | 17 & 18 |
|-----------------+----------+-------------------+-----------|
| Serial port 2 | J11 | IDE interface LED | J16 pins |
| | | | 20 & 21 |
|-----------------+----------+-------------------+-----------|
| Parallel port | J12 | +5v ground | J16 pins |
| | | | 25 & 26 |
|-----------------+----------+-------------------+-----------|
| IDE interface 2 | J13 | 32-bit PCI slots | PC1 - PC3 |
|-----------------+----------+-------------------+-----------|
| Chassis fan | J14 | Cache slot | SL1 |
| power | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP12 | Open |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP12 | Closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 12v | JP13 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 5v | JP13 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP16 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | None | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | None | None | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 32MB | None | None | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 64MB | None | None | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 | None |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP9 |
|----------------------------+-------------------------------|
| 3.3v | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 5v | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-----------+--------------+-------------------+-------------|
| 256KB (A) | (2) 32K x 32 | Not installed | (1) 8K x 8 |
|-----------+--------------+-------------------+-------------|
| 256KB (B) | None | 256KB module | None |
| | | installed | |
|-----------+--------------+-------------------+-------------|
| 512KB (A) | (2) 32K x 32 | 256KB module | (1) 8K x 8 |
| | | installed | |
|-----------+--------------+-------------------+-------------|
| 512KB (B) | (2) 64K x 32 | Not installed | (1) 32K x 8 |
|-----------+--------------+-------------------+-------------|
| 512KB (C) | None | 512KB module | None |
| | | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP11 |
|-------------------------------+----------------------------|
| 256KB (A) | Open |
|-------------------------------+----------------------------|
| 256KB (B) | Open |
|-------------------------------+----------------------------|
| 512KB (A) | Closed |
|-------------------------------+----------------------------|
| 512KB (B) | Closed |
|-------------------------------+----------------------------|
| 512KB (C) | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP6 |
| speed | speed | | | | |
|----------+--------+------------+--------+------+-----------|
| 120MHz | 50MHz | 2x | Closed | Open | 1 & 2, 3 |
| | | | | | & 4 |
|----------+--------+------------+--------+------+-----------|
| 133MHz | 55MHz | 2x | Closed | Open | Open |
|----------+--------+------------+--------+------+-----------|
| 150MHz | 60MHz | 2x | Closed | Open | 1 & 2 |
|----------+--------+------------+--------+------+-----------|
| 166MHz | 66MHz | 2x | Closed | Open | 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP6 |
| speed | speed | | | | |
|----------+--------+------------+--------+------+-----------|
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & 2, 3 |
| | | | | | & 4 |
|----------+--------+------------+--------+------+-----------|
| 90MHz | 60MHz | 1.5x | Open | Open | 1 & 2 |
|----------+--------+------------+--------+------+-----------|
| 100MHz | 66MHz | 1.5x | Open | Open | 3 & 4 |
|----------+--------+------------+--------+------+-----------|
| 120MHz | 60MHz | 1.5x | Open | Open | 1 & 2 |
|----------+--------+------------+--------+------+-----------|
| 133MHz | 66MHz | 1.5x | Open | Open | 3 & 4 |
|----------+--------+------------+--------+------+-----------|
| 150MHz | 60MHz | 2x | Closed | Open | 1 & 2 |
|----------+--------+------------+--------+------+-----------|
| 166MHz | 66MHz | 2x | Closed | Open | 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP6 |
| speed | speed | | | | |
|---------+--------+------------+--------+--------+----------|
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & 2, 3 |
| | | | | | & 4 |
|---------+--------+------------+--------+--------+----------|
| 90MHz | 60MHz | 1.5x | Open | Open | 1 & 2 |
|---------+--------+------------+--------+--------+----------|
| 100MHz | 66MHz | 1.5x | Open | Open | 3 & 4 |
|---------+--------+------------+--------+--------+----------|
| 120MHz | 60MHz | 2x | Closed | Open | 1 & 2 |
|---------+--------+------------+--------+--------+----------|
| 133MHz | 66MHz | 2x | Closed | Open | 3 & 4 |
|---------+--------+------------+--------+--------+----------|
| 150MHz | 60MHz | 2.5x | Closed | Closed | 1 & 2 |
|---------+--------+------------+--------+--------+----------|
| 166MHz | 66MHz | 2.5x | Closed | Closed | 3 & 4 |
|---------+--------+------------+--------+--------+----------|
| 180MHz | 60MHz | 3x | Open | Closed | 1 & 2 |
|---------+--------+------------+--------+--------+----------|
| 200MHz | 66MHz | 3x | Open | Closed | 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP8 |
|------------------------------+-----------------------------|
| 3.4v | Closed |
|------------------------------+-----------------------------|
| 3.5v | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | JP7 | JP8 |
|---------------+--------------+--------------+--------------|
| 3.4v | 2.6v | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 3.4v | 2.9v | Open | Closed |
|---------------+--------------+--------------+--------------|
| 3.5v | 2.6v | Closed | Open |
|---------------+--------------+--------------+--------------|
| 3.5v | 2.9v | Open | Open |
+------------------------------------------------------------+