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# SUPER MICRO
P5MMA98
Processor CX 6X86/IBM 6X86/AM K5/AM K6/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
port, serial ports (2), IR connector, USB
connectors (2), ATX power connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Chassis fan | J44 |
| connector | | power | |
|-------------------+----------+------------------+----------|
| Parallel port | CN1 | CPU fan power | J51 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Overheat fan | JP9 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN3 | External battery | JP3 |
|-------------------+----------+------------------+----------|
| USB connector | CN4 | IR connector | JP23A |
|-------------------+----------+------------------+----------|
| USB connector | CN5 | Soft off power | JP23B |
| | | supply | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN6 | Reset switch | JP23C |
|-------------------+----------+------------------+----------|
| Floppy drive | J19 | IDE interface | JP23D |
| interface | | LED | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J20 | Power LED & | JP23E |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J21 | Speaker | JP23F |
|-------------------+----------+------------------+----------|
| Overheat fan | J41 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Overheat LED | J42 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Flash BIOS flash enabled | J7 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS protect enabled | J7 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | J40 | Open |
|---+-----------------------------------+-------+------------|
| | PC health monitor IRQ select IRQ9 | J43 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | PC health monitor IRQ select IRQ3 | J43 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP2 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP2 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+----------------------+---------------------|
| 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 |
|---------------+----------------------+---------------------|
| 256MB | (2) 32M x 36 | None |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Do not populate banks |
| 0 & 2 at the same time. Use only FPM/EDO in bank 0. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|--------------+------------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|--------------+------------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|--------------+------------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|--------------+------------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|--------------+------------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|--------------+------------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|--------------+------------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|--------------+------------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|--------------+------------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|--------------+------------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|--------------+------------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|--------------+------------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|--------------+------------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|--------------+------------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|--------------+------------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|--------------+------------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
|--------------+------------------------+--------------------|
| 256MB | (1) 32M x 64 | None |
|------------------------------------------------------------|
| Note: Use only SDRAM in bank 3. Bank 2 can use any |
| type of DIMM. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 512KB cache is factory installed and is not |
| configurable. The location is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| JP5 | JP6 | JP7 |J35 | J36 |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+----+------|
| 150MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2|Open|Closed|
|---------+---------+----------+-----+-----+-----+----+------|
| 166MHz | 66MHz | 2x |1 & 2|2 & 3|2 & 3|Open|Closed|
|---------+---------+----------+-----+-----+-----+----+------|
| 200MHz | 66MHz | 2x |2 & 3|1 & 2|1 & 2|Open|Closed|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| JP5 | JP6 | JP7 |J35 | J36 |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+----+------|
| 150MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2|Open|Closed|
|---------+---------+----------+-----+-----+-----+----+------|
| 166MHz | 66MHz | 2x |1 & 2|2 & 3|2 & 3|Open|Closed|
|---------+---------+----------+-----+-----+-----+----+------|
| 200MHz | 66MHz | 2x |2 & 3|1 & 2|1 & 2|Open|Closed|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| JP5 | JP6 | JP7 | J35 | J36 |
| | speed | | | | | | |
|---------+-------+----------+-----+-----+-----+------+------|
| 75MHz | 50MHz | 1.5x |2 & 3|2 & 3|2 & 3| Open | Open |
|---------+-------+----------+-----+-----+-----+------+------|
| 90MHz | 60MHz | 1.5x |2 & 3|2 & 3|1 & 2| Open | Open |
|---------+-------+----------+-----+-----+-----+------+------|
| 100MHz | 66MHz | 1.5x |1 & 2|2 & 3|2 & 3| Open | Open |
|---------+-------+----------+-----+-----+-----+------+------|
| 120MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2| Open |Closed|
|---------+-------+----------+-----+-----+-----+------+------|
| 133MHz | 66MHz | 2x |1 & 2|2 & 3|2 & 3| Open |Closed|
|---------+-------+----------+-----+-----+-----+------+------|
| 166MHz | 66MHz | 2.5x |1 & 2|2 & 3|2 & 3|Closed|Closed|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| JP5 | JP6 | JP7 | J35 | J36 |
| | speed | | | | | | |
|---------+-------+----------+-----+-----+-----+------+------|
| 166MHz | 66MHz | 2.5x |1 & 2|2 & 3|2 & 3|Closed|Closed|
|---------+-------+----------+-----+-----+-----+------+------|
| 200MHz | 66MHz | 3x |1 & 2|2 & 3|2 & 3|Closed| Open |
|---------+-------+----------+-----+-----+-----+------+------|
| 233MHz | 66MHz | 3.5x |1 & 2|2 & 3|2 & 3| Open | Open |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| JP5 | JP6 | JP7 | J35 | J36 |
| | speed | | | | | | |
|---------+-------+----------+-----+-----+-----+------+------|
| 75MHz | 50MHz | 1.5x |2 & 3|2 & 3|2 & 3| Open | Open |
|---------+-------+----------+-----+-----+-----+------+------|
| 90MHz | 60MHz | 1.5x |2 & 3|2 & 3|1 & 2| Open | Open |
|---------+-------+----------+-----+-----+-----+------+------|
| 100MHz | 66MHz | 1.5x |1 & 2|2 & 3|2 & 3| Open | Open |
|---------+-------+----------+-----+-----+-----+------+------|
| 120MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2| Open |Closed|
|---------+-------+----------+-----+-----+-----+------+------|
| 133MHz | 66MHz | 2x |1 & 2|2 & 3|2 & 3| Open |Closed|
|---------+-------+----------+-----+-----+-----+------+------|
| 150MHz | 60MHz | 2.5x |2 & 3|2 & 3|1 & 2|Closed|Closed|
|---------+-------+----------+-----+-----+-----+------+------|
| 150MHz | 75MHz | 2x |2 & 3|1 & 2|1 & 2| Open |Closed|
|---------+-------+----------+-----+-----+-----+------+------|
| 166MHz | 66MHz | 2.5x |1 & 2|2 & 3|2 & 3|Closed|Closed|
|---------+-------+----------+-----+-----+-----+------+------|
| 180MHz | 60MHz | 3x |2 & 3|2 & 3|1 & 2|Closed| Open |
|---------+-------+----------+-----+-----+-----+------+------|
| 200MHz | 66MHz | 3x |1 & 2|2 & 3|2 & 3|Closed| Open |
|---------+-------+----------+-----+-----+-----+------+------|
| 233MHz | 66MHz | 3.5x |1 & 2|2 & 3|2 & 3| Open | Open |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | J46 | J47 | J48 | J49 |
|------------+-----------+-----------+-----------+-----------|
| 2.1v | Closed | Open | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 2.2v | Open | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 2.3v | Closed | Closed | Open | Open |
|------------+-----------+-----------+-----------+-----------|
| 2.4v | Open | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| 2.5v | Closed | Open | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| 2.6v | Open | Closed | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| 2.7v | Closed | Closed | Closed | Open |
|------------+-----------+-----------+-----------+-----------|
| 2.8v | Open | Open | Open | Closed |
|------------+-----------+-----------+-----------+-----------|
| 2.9v | Closed | Open | Open | Closed |
|------------+-----------+-----------+-----------+-----------|
| 3.0v | Open | Closed | Open | Closed |
|------------+-----------+-----------+-----------+-----------|
| 3.1v | Closed | Closed | Open | Closed |
|------------+-----------+-----------+-----------+-----------|
| 3.2v | Open | Open | Closed | Closed |
|------------+-----------+-----------+-----------+-----------|
| 3.3v | Closed | Open | Closed | Closed |
|------------+-----------+-----------+-----------+-----------|
| 3.4v | Open | Closed | Closed | Closed |
|------------+-----------+-----------+-----------+-----------|
| 3.5v | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| The CPU fan will automatically turn on when the CPU |
| temperature exceeds the user defined temperature. |
+------------------------------------------------------------+