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# AMERICAN MEGATRENDS, INC.
APOLLO III
Processor Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS AMI
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), IR connector, USB connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+-----------+-----------------+-----------|
| Serial port 2 | CN1 | Green PC | J1/pins 8 |
| | | connector | & 9 |
|------------------+-----------+-----------------+-----------|
| Serial port 1 | CN2 | Green PC LED | J1/pins |
| | | | 10 & 11 |
|------------------+-----------+-----------------+-----------|
| Floppy drive | CN3 | Speaker | J1/pins |
| interface | | | 12 - 15 |
|------------------+-----------+-----------------+-----------|
| Parallel port | CN4 | IDE interface | J1/pins |
| | | LED | 16 & 17 |
|------------------+-----------+-----------------+-----------|
| IDE interface 2 | CN5 | Remote power | J1/pins |
| | | | 18 & 19 |
|------------------+-----------+-----------------+-----------|
| IDE interface 1 | CN6 | Reset switch | J1/pins |
| | | | 20 & 21 |
|------------------+-----------+-----------------+-----------|
| PS/2 mouse | CN7 | 32-bit PCI | PC1 – PC4 |
| interface | | slots | |
|------------------+-----------+-----------------+-----------|
| Chassis fan | FAN | Soft off power | RPW |
| power | | supply | |
|------------------+-----------+-----------------+-----------|
| IR connector | IR1 | USB connector 1 | USB1 |
|------------------+-----------+-----------------+-----------|
| Power LED & | J1/pins 1 | USB connector 2 | USB2 |
| keylock | - 5 | | |
|------------------+-----------+-----------------+-----------|
| Turbo LED | J1/pins 6 | | |
| | & 7 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| » | CMOS memory normal operation | CPS | Open |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | CPS | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG 0 | TAG 1 |
|-------+-------------+------------+------------+------------|
| 256KB | (2) 32K x | None | (1) 8K x 8 | None |
| | 32 | | | |
|-------+-------------+------------+------------+------------|
| 512KB | (2) 32K x | (2) 32K x | (1) 16K x | (1) 16K x |
| | 32 | 32 | 8 | 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | CLK1 | CLK2 | FREQ1 | FREQ2 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+-------+-------|
| 75MHz | 50MHz | 1.5x | 2 & | 2 & | 1 & 2 | 1 & 2 |
| | | | 3 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 90MHz | 60MHz | 1.5x | 2 & | 1 & | 1 & 2 | 1 & 2 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 100MHz | 66MHz | 1.5x | 1 & | 2 & | 1 & 2 | 1 & 2 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 120MHz | 60MHz | 2x | 2 & | 1 & | 2 & 3 | 1 & 2 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 133MHz | 66MHz | 2x | 1 & | 2 & | 2 & 3 | 1 & 2 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 150MHz | 60MHz | 2.5x | 2 & | 1 & | 2 & 3 | 2 & 3 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 166MHz | 66MHz | 2.5x | 1 & | 2 & | 2 & 3 | 2 & 3 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 180MHz | 60MHz | 3x | 2 & | 1 & | 1 & 2 | 2 & 3 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & 2 | 2 & 3 |
| | | | 2 | 3 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | VR1 | VR2 |
|------------+--------------------+--------------------------|
| | 3.3v | Pins 3 & 4 closed | Pins 1 & 2, 3 & 4 closed |
|---+--------+--------------------+--------------------------|
| » | 3.49v | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | VR1 | VR2 |
|------------+--------------------+--------------------------|
| 2.8v | Pins 5 & 6 closed | Pins 5 & 6, 7 & 8 closed |
|------------+--------------------+--------------------------|
| 3.3v | Pins 5 & 6 closed | Pins 5 & 6, 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH BIOS SELECTION |
|------------------------------------------------------------|
| Type | EP1 | EP2 | EP3 |
|-------------------+--------------+------------+------------|
| | AMD 28F020 | Open | Pins 1 & 2 | Pins 2 & 3 |
| | | | closed | closed |
|---+---------------+--------------+------------+------------|
| | Intel | Pins 1 & 2 | Pins 1 & 2 | Open |
| | 28F001BX-T | closed | closed | |
|---+---------------+--------------+------------+------------|
| | Intel 28F010 | Pins 1 & 2 | Pins 2 & 3 | Open |
| | | closed | closed | |
|---+---------------+--------------+------------+------------|
| » | SST 29EE010 | Pins 2 & 3 | Pins 2 & 3 | Open |
| | | closed | closed | |
|---+---------------+--------------+------------+------------|
| | SST 29EE020 | Open | Pins 2 & 3 | Pins 2 & 3 |
| | | | closed | closed |
+------------------------------------------------------------+