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# MITAC INTERNATIONAL CORPORATION
PX6600N
Device Type Mainboard
Processor Pentium Pro
Processor Speed 150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB
Memory
Maximum Video None
Memory
Cache 256/512KB (located on Pentium Pro CPU)
BIOS Unidentified
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
game/MIDI port, green PC connector, IDE
interfaces (2), parallel port, PS/2 mouse
port, serial ports (2), IR connector, USB
connectors (2), line in, line out, microphone
in, wavetable connector, audio in – CD-ROM
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+------------------+------------|
| Game/MIDI port | CN1 | CPU fan power | J7M1 |
|-----------------+----------+------------------+------------|
| Microphone in | CN2 | IDE interface 2 | J8J1 |
|-----------------+----------+------------------+------------|
| Line in | CN3 | Chassis fan | J9A1 |
| | | power | |
|-----------------+----------+------------------+------------|
| Line out | CN4 | IDE interface 1 | J9J1 |
|-----------------+----------+------------------+------------|
| Serial port 1 | CN5 | Floppy drive | J9J2 |
| | | interface | |
|-----------------+----------+------------------+------------|
| Serial port 2 | CN6 | Soft off power | J10H1/pins |
| | | supply | 1 & 2 |
|-----------------+----------+------------------+------------|
| Parallel port | CN7 | Green PC | J10H1/pins |
| | | connector | 3 & 4 |
|-----------------+----------+------------------+------------|
| USB connector 1 | CN8 | IR connector | J10H1/pins |
| | | | 6 - 11 |
|-----------------+----------+------------------+------------|
| USB connector 2 | CN9 | IDE interface | J10H1/pins |
| | | LED | 13 - 16 |
|-----------------+----------+------------------+------------|
| PS/2 mouse port | CN10 | Power LED | J10H1/pins |
| | | | 18 & 20 |
|-----------------+----------+------------------+------------|
| Wavetable | J1E1 | Reset switch | J10H1/pins |
| connector | | | 22 & 23 |
|-----------------+----------+------------------+------------|
| Audio in – | J1E2 | Speaker | J10H1/pins |
| CD-ROM | | | 24 - 27 |
|-----------------+----------+------------------+------------|
| Telephony | J1F1 | 32-bit PCI slots | PC1 – PC4 |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+------------+------------|
| | CPU VID support enabled | J4H1 | Open |
|---+------------------------------+------------+------------|
| | CPU VID support disabled | J4H1 | Closed |
|---+------------------------------+------------+------------|
| » | CMOS memory normal operation | J6D1 | Pins 20 & |
| | | | 22 closed |
|---+------------------------------+------------+------------|
| | CMOS memory clear | J6D1 | Pins 18 & |
| | | | 20 closed |
|---+------------------------------+------------+------------|
| » | Password normal operation | J6D1 | Pins 27 & |
| | | | 29 closed |
|---+------------------------------+------------+------------|
| | Password clear | J6D1 | Pins 25 & |
| | | | 27 closed |
|---+------------------------------+------------+------------|
| » | CMOS access disabled | J6D1 | Pins 28 & |
| | | | 30 closed |
|---+------------------------------+------------+------------|
| | CMOS access enabled | J6D1 | Pins 26 & |
| | | | 28 closed |
|---+------------------------------+------------+------------|
| | Speaker disabled | J10H1/pins | Open |
| | | 26 & 27 | |
|---+------------------------------+------------+------------|
| | Speaker enabled | J10H1/pins | Closed |
| | | 26 & 27 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | J6D1 |
|-----------+-------------+------------+---------------------|
| 150MHz | 60MHz | 2.5x | 10 & 12, 11 & 13, |
| | | | 17 & 19 |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2.5x | 10 & 12, 11 & 13, |
| | | | 19 & 21 |
|-----------+-------------+------------+---------------------|
| 180MHz | 60MHz | 3x | 9 & 11, 12 & 14, 17 |
| | | | & 19 |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 3x | 9 & 11, 12 & 14, 19 |
| | | | & 21 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+