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# MICRO-STAR INTERNATIONAL CO., LTD.
MS-5146
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set SIS
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS AMI/Award
Dimensions 250mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
interface, serial ports (2), IR connector,
USB connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+-----------+-----------------+------------|
| Serial port 2 | CN1 | Speaker | JFP/pins 7 |
| | | | - 10 |
|-----------------+-----------+-----------------+------------|
| Serial port 1 | CN2 | Turbo LED | JFP/pins |
| | | | 12 & 13 |
|-----------------+-----------+-----------------+------------|
| Parallel port | CN3 | Reset switch | JFP/pins |
| | | | 19 & 20 |
|-----------------+-----------+-----------------+------------|
| Floppy drive | CN4 | IDE interface | JFP/pins |
| interface | | LED | 21 & 22 |
|-----------------+-----------+-----------------+------------|
| IDE interface 2 | CN5 | PS/2 mouse | JMS |
| | | interface | |
|-----------------+-----------+-----------------+------------|
| IDE interface 1 | CN6 | PS/2 & | JPM1 |
| | | auxiliary | |
| | | keyboard | |
|-----------------+-----------+-----------------+------------|
| Chassis fan | FAN | 32-bit PCI | PC1 – PC4 |
| power | | slots | |
|-----------------+-----------+-----------------+------------|
| IR connector | IR1 | USB connector | USB |
|-----------------+-----------+-----------------+------------|
| Power LED & | JFP/pins | | |
| keylock | 1 - 5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J2 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|--------------+----------------------+----------------------|
| 2MB | (2) 256K x 36 | None |
|--------------+----------------------+----------------------|
| 4MB | (2) 512K x 36 | None |
|--------------+----------------------+----------------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 |
|--------------+----------------------+----------------------|
| 8MB | (2) 1M x 36 | None |
|--------------+----------------------+----------------------|
| 16MB | (2) 2M x 36 | None |
|--------------+----------------------+----------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|--------------+----------------------+----------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|--------------+----------------------+----------------------|
| 32MB | (2) 4M x 36 | None |
|--------------+----------------------+----------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|--------------+----------------------+----------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|--------------+----------------------+----------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|--------------+----------------------+----------------------|
| 64MB | (2) 8M x 36 | None |
|--------------+----------------------+----------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|--------------+----------------------+----------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|--------------+----------------------+----------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|--------------+----------------------+----------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|--------------+----------------------+----------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|--------------+----------------------+----------------------|
| 128MB | (2) 16M x 36 | None |
|--------------+----------------------+----------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|--------------+----------------------+----------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|--------------+----------------------+----------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|--------------+----------------------+----------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|--------------+----------------------+----------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
|------------------------------------------------------------|
| Note: The location of bank 0 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JK1 | SW1/1 | SW1/2 |
| speed | speed | | | | |
|----------+---------+------------+----------+-------+-------|
| 120MHz | 50MHz | 2x | 1 & 2, 5 | On | Off |
| | | | & 6 | | |
|----------+---------+------------+----------+-------+-------|
| 133MHz | 60MHz | 2x | Open | On | Off |
|----------+---------+------------+----------+-------+-------|
| 150MHz | 66MHz | 2x | Open | On | Off |
|----------+---------+------------+----------+-------+-------|
| 166MHz | 60MHz | 2x | Open | On | Off |
|----------+---------+------------+----------+-------+-------|
| 200MHz | 66MHz | 2x | Open | On | Off |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX, CON’T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/3 |SW1/4 |SW1/5 |SW1/6 |
|---------+-----------+----------+------+------+------+------|
| 120MHz | 50MHz | 2x | On | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 55MHz | 2x | Off | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2x | On | Off | Off | On |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2x | Off | Off | Off | On |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 2x | On | Off | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JK1 | SW1/1 | SW1/2 |
| speed | speed | | | | |
|----------+---------+------------+----------+-------+-------|
| 75MHz | 50MHz | 1.5x | 1 & 2, 5 | Off | Off |
| | | | & 6 | | |
|----------+---------+------------+----------+-------+-------|
| 90MHz | 60MHz | 1.5x | Open | Off | Off |
|----------+---------+------------+----------+-------+-------|
| 100MHz | 66MHz | 1.5x | Open | Off | Off |
|----------+---------+------------+----------+-------+-------|
| 120MHz | 60MHz | 1.5x | Open | Off | Off |
|----------+---------+------------+----------+-------+-------|
| 133MHz | 66MHz | 1.5x | Open | Off | Off |
|----------+---------+------------+----------+-------+-------|
| 166MHz | 66MHz | 2.5x | Open | On | On |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD, CON’T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/3 |SW1/4 |SW1/5 |SW1/6 |
|---------+-----------+----------+------+------+------+------|
| 75MHz | 50MHz | 1.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 120MHz | 60MHz | 1.5x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 1.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JK1 | SW1/1 | SW1/2 |
| speed | speed | | | | |
|----------+---------+------------+----------+-------+-------|
| 75MHz | 50MHz | 1.5x | 1 & 2, 5 | Off | Off |
| | | | & 6 | | |
|----------+---------+------------+----------+-------+-------|
| 90MHz | 60MHz | 1.5x | Open | Off | Off |
|----------+---------+------------+----------+-------+-------|
| 100MHz | 66MHz | 1.5x | Open | Off | Off |
|----------+---------+------------+----------+-------+-------|
| 120MHz | 60MHz | 2x | Open | On | Off |
|----------+---------+------------+----------+-------+-------|
| 133MHz | 66MHz | 2x | Open | On | Off |
|----------+---------+------------+----------+-------+-------|
| 150MHz | 60MHz | 2.5x | Open | On | On |
|----------+---------+------------+----------+-------+-------|
| 166MHz | 66MHz | 2.5x | Open | On | On |
|----------+---------+------------+----------+-------+-------|
| 200MHz | 66MHz | 3x | Open | Off | On |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, CON’T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/3 |SW1/4 |SW1/5 |SW1/6 |
|---------+-----------+----------+------+------+------+------|
| 75MHz | 50MHz | 1.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 120MHz | 60MHz | 2x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 2x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2.5x | On | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | Off | Off | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JV2 | JV3 | JV4 |
|-----------+-------------------+-------------------+--------|
| 3.38v | Open | Pins 1 & 2 closed | Open |
|-----------+-------------------+-------------------+--------|
| 3.52v | Pins 1 & 2 closed | Pins 1 & 2 closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | JV2 | JV3 | JV4 |
|---------+--------+---------------+------------+------------|
| 3.3v | 2.8v | Pins 1 & 2, 3 | Pins 2 & 3 | Open |
| | | & 4 closed | closed | |
|---------+--------+---------------+------------+------------|
| 3.3v | 2.9v | Pins 1 & 2 | Pins 2 & 3 | Pins 3 & 4 |
| | | closed | closed | closed |
|---------+--------+---------------+------------+------------|
| 3.3v | 3v | Open | Pins 2 & 3 | Pins 1 & 2 |
| | | | closed | closed |
+------------------------------------------------------------+