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# AAEON TECHNOLOGY, INC.
PCM-5890
Device Type Single board computer
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166MHz
Chip Set VIA
Video Chip Set C & T
Maximum Onboard 64MB (EDO supported)
Memory
Maximum Video 1MB
Memory
Cache 256/512KB
BIOS Award
Dimensions 203mm x 146mm
I/O Options 32-bit PCI slot, Ethernet 10Base2/5
connector, Ethernet 10BaseT connector, floppy
drive interface, IDE interface, parallel
port, PS/2 mouse interface, serial port, VGA
interface, PC/104 connectors (2), cache slot
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| PC/104 connector | CN1 | Serial port | CN11 |
|---------------------+----------+----------------+----------|
| PC/104 connector | CN2 | Parallel port | CN12 |
|---------------------+----------+----------------+----------|
| VGA interface | CN3 | IDE interface | CN13 |
|---------------------+----------+----------------+----------|
| Flat panel | CN4 | Floppy drive | CN14 |
| connector | | interface | |
|---------------------+----------+----------------+----------|
| Chassis fan power | CN5 | Power | CN15 |
| | | connector | |
|---------------------+----------+----------------+----------|
| Front panel | CN6 | Ethernet LED | J5 |
| connector | | | |
|---------------------+----------+----------------+----------|
| Power connector | CN7 | Ethernet LED | J6 |
|---------------------+----------+----------------+----------|
| PS/2 mouse/keyboard | CN8 | 32-bit PCI | PC1 |
| interface | | slot | |
|---------------------+----------+----------------+----------|
| Ethernet 10Base2/5 | CN9 | Cache slot | SL1 |
| connector | | | |
|---------------------+----------+----------------+----------|
| Ethernet 10BaseT | CN10 | | |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | J7 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | J7 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Parallel port IRQ select IRQ7 | J17 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Parallel port IRQ select IRQ5 | J17 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Buzzer enabled | J18 | Closed |
|---+-----------------------------------+-------+------------|
| | Buzzer disabled | J18 | Open |
|---+-----------------------------------+-------+------------|
| » | Watchdog timer invokes system | J23 | Closed |
| | reset enabled | | |
|---+-----------------------------------+-------+------------|
| | Watchdog timer invokes system | J23 | Open |
| | reset disabled | | |
|---+-----------------------------------+-------+------------|
| » | Watchdog timer invokes IRQ15 | J24 | Closed |
| | enabled | | |
|---+-----------------------------------+-------+------------|
| | Watchdog timer invokes IRQ15 | J24 | Open |
| | disabled | | |
|---+-----------------------------------+-------+------------|
| » | Watchdog timer enabled | J25 | Closed |
|---+-----------------------------------+-------+------------|
| | Watchdog timer disabled | J25 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 |
|----------------------------+-------------------------------|
| 8MB | (2) 1M x 36 |
|----------------------------+-------------------------------|
| 16MB | (2) 2M x 36 |
|----------------------------+-------------------------------|
| 32MB | (2) 4M x 36 |
|----------------------------+-------------------------------|
| 64MB | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | SL1 |
|----------------------------+-------------------------------|
| 256KB | 256KB module installed |
|----------------------------+-------------------------------|
| 512KB | 512KB module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | J8 |
|-----------------------------+------------------------------|
| » | Synchronous | Pins 1 & 2 closed |
|---+-------------------------+------------------------------|
| | Asynchronous | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the video memory is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX M1) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| J1 | J2 | J10 | J11 | J12 |
| | speed | | | | | | |
|---------+---------+----------+------+----+-----+-----+-----|
| 120MHz | 50MHz | 2x |Closed|Open|2 & 3|1 & 2|2 & 3|
|---------+---------+----------+------+----+-----+-----+-----|
| 150MHz | 60MHz | 2x |Closed|Open|1 & 2|1 & 2|1 & 2|
|---------+---------+----------+------+----+-----+-----+-----|
| 166MHz | 66MHz | 2x |Closed|Open|2 & 3|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| J1 | J2 | J10 | J11 | J12 |
| | speed | | | | | | |
|---------+-------+----------+------+------+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | Open | Open |2 & 3|1 & 2|2 & 3|
|---------+-------+----------+------+------+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | Open | Open |1 & 2|1 & 2|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | Open | Open |2 & 3|2 & 3|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 120MHz | 60MHz | 2x |Closed| Open |1 & 2|1 & 2|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 133MHz | 66MHz | 2x |Closed| Open |2 & 3|2 & 3|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |Closed|Closed|2 & 3|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| J1 | J2 | J10 | J11 | J12 |
| | speed | | | | | | |
|---------+-------+----------+------+------+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | Open | Open |2 & 3|1 & 2|2 & 3|
|---------+-------+----------+------+------+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | Open | Open |1 & 2|1 & 2|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | Open | Open |2 & 3|2 & 3|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 120MHz | 60MHz | 2x |Closed| Open |1 & 2|1 & 2|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 133MHz | 66MHz | 2x |Closed| Open |2 & 3|2 & 3|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 150MHz | 60MHz | 2.5x |Closed|Closed|1 & 2|1 & 2|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |Closed|Closed|2 & 3|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | J3 | J4 |
|------------------+--------------------+--------------------|
| » | 3.3v | Pins 1 & 2 closed | Open |
|---+--------------+--------------------+--------------------|
| | 3.45v | Pins 2 & 3 closed | Open |
|---+--------------+--------------------+--------------------|
| | 3.6v | Open | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 3.8v | Open | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | J13 | J14 |
|------------------+--------------------+--------------------|
| » | 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|----+-------------+--------------------+--------------------|
| | 3 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| COM | IRQ | J15 | J16 |
|-----------+--------+-------------------+-------------------|
| » | COM3 | IRQ5 | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+-------+--------+-------------------+-------------------|
| | COM4 | IRQ10 | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+-------+--------+-------------------+-------------------|
| | COM3 | IRQ10 | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+-------+--------+-------------------+-------------------|
| | COM4 | IRQ5 | Pins 1 & 2 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT SELECTION |
|------------------------------------------------------------|
| Type | J9 | J19 | J20 | J21 | J22 |
|---------------+---------+---------+--------+-------+-------|
| » | RS-232 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|----+----------+---------+---------+--------+-------+-------|
| | RS-422 | 3 & 4 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|----+----------+---------+---------+--------+-------+-------|
| | RS-485 | 5 & 6 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+