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# ADVANTECH CO., LTD.
PCM-4862
Device Single board computer
Type
Processor 80486DX/CX486DX2/TI486DX2/SGS486DX2/AM486DX2/80486DX2/
CX486DX4/IBM486DX4/AM486DX4/80486DX4/CX 5X86/AM5X86
Processor 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/
Speed
100(internal)/120(internal)MHz
Chip Set VIA
Video Chip Chips and Technology
Set
Maximum 64MB
Onboard
Memory
Maximum 1MB
Video
Memory
Cache 128/256/512KB
BIOS Award
Dimensions 203mm x 146mm
I/O Ethernet 10Base2/5 connector, Ethernet 10BaseT connector,
Options floppy drive interface, IDE interface, parallel port, PS/2
mouse interface, serial ports (2), VGA interface, PC/104
connectors (2)
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| VGA interface | CN1 | Ethernet 10BaseT | CN10 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Flat panel | CN2 | Speaker | CN11 |
| connector | | | |
|-------------------+----------+------------------+----------|
| PC/104 connector | CN3 | IDE interface | CN12 |
|-------------------+----------+------------------+----------|
| Front panel | CN4 | Serial port 1 | CN13 |
| connector | | | |
|-------------------+----------+------------------+----------|
| PC/104 connector | CN5 | Chassis fan | CN14 |
| | | power | |
|-------------------+----------+------------------+----------|
| Power connector | CN6 | Floppy drive | CN15 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Ethernet | CN7 | Parallel port | CN16 |
| 10Base2/5 | | | |
| connector | | | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN8 | Ethernet LED | J26 |
|-------------------+----------+------------------+----------|
| PS/2 mouse, | CN9 | | |
| keyboard | | | |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | J14 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J14 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Parallel port IRQ select IRQ7 | J20 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Parallel port IRQ select IRQ5 | J20 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Buzzer enabled | J21 | Closed |
|---+---------------------------------+-------+--------------|
| | Buzzer disabled | J21 | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J22 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J25 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J28 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | SSD enabled | J29 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | SSD disabled | J29 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (1) 256K x 36 | None |
|------------------+--------------------+--------------------|
| 2MB | (1) 512K x 36 | None |
|------------------+--------------------+--------------------|
| 2MB | (1) 256K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 3MB | (1) 512K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (1) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 4MB | (1) 512K x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 5MB | (1) 1M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (1) 1M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (1) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 9MB | (1) 2M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (1) 2M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 17MB | (1) 4M x 36 | (1) 256K x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 18MB | (1) 4M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (1) 4M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (1) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 33MB | (1) 8M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 34MB | (1) 8M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (1) 8M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the cache is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the video memory is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | J1 | J2 | J3 |
|---------+----------------+----------------+----------------|
| 25MHz | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 33MHz | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 40MHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 50iMHz | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 66iMHz | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 75iMHz | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 80iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 100iMHz | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 120iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | J5 | J7 | J8 | J9 |
|-----------------+-----------+----------+----------+--------|
| 80486DX | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| CX 486DX2 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| TI 486DX2 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| SGS 486DX2 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| AM 486DX2 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| 80486DX2 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| CX 486DX4 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| IBM 486DX4 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| AM 486DX4-100 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| AM 486DX4-120 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| 80486DX4 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| CX 5X86 | Closed | 1 & 2 | 1 & 2 | Open |
|-----------------+-----------+----------+----------+--------|
| AM 5X86 | Closed | 1 & 2 | 1 & 2 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | J10 | J11 | J12 | J13 |
|-------------+------+-------+-------+-----------------------|
| 80486DX | Open | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6, |
| | | | | 7 & 8, 9 & 10 |
|-------------+------+-------+-------+-----------------------|
| CX 486DX2 | Open | 1 & 2 | 1 & 2 | Open |
|-------------+------+-------+-------+-----------------------|
| TI 486DX2 | Open | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6, |
| | | | | 7 & 8, 9 & 10 |
|-------------+------+-------+-------+-----------------------|
| SGS 486DX2 | Open | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6, |
| | | | | 7 & 8, 9 & 10 |
|-------------+------+-------+-------+-----------------------|
| AM 486DX2 | Open | 1 & 2 | 1 & 2 | Open |
|-------------+------+-------+-------+-----------------------|
| 80486DX2 | Open | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6, |
| | | | | 7 & 8, 9 & 10 |
|-------------+------+-------+-------+-----------------------|
| CX 486DX4 | Open | 1 & 2 | 1 & 2 | Open |
|-------------+------+-------+-------+-----------------------|
| IBM 486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6, |
| | | | | 7 & 8, 9 & 10 |
|-------------+------+-------+-------+-----------------------|
| AM | Open | 1 & 2 | 1 & 2 | Open |
| 486DX4-100 | | | | |
|-------------+------+-------+-------+-----------------------|
| AM | Open | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6, |
| 486DX4-120 | | | | 7 & 8, 9 & 10 |
|-------------+------+-------+-------+-----------------------|
| 80486DX4 | Open | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6, |
| | | | | 7 & 8, 9 & 10 |
|-------------+------+-------+-------+-----------------------|
| CX 5X86 | Open | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6, |
| | | | | 7 & 8, 9 & 10 |
|-------------+------+-------+-------+-----------------------|
| AM 5X86 | Open | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4, 5 & 6, |
| | | | | 7 & 8, 9 & 10 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | J17 | J18 | J19 |
|-------------+------------------------+------------+--------|
| 80486DX | Open | Open | Open |
|-------------+------------------------+------------+--------|
| CX 486DX2 | 1 & 2, 3 & 4, 5 & 6, 7 | Open | Open |
| | & 8, 9 & 10 | | |
|-------------+------------------------+------------+--------|
| TI 486DX2 | Open | Open | Open |
|-------------+------------------------+------------+--------|
| SGS 486DX2 | Open | Open | Closed |
|-------------+------------------------+------------+--------|
| AM 486DX2 | Open | 1 & 2, 3 & | Open |
| | | 4, 5 & 6 | |
|-------------+------------------------+------------+--------|
| 80486DX2 | Open | Open | Open |
|-------------+------------------------+------------+--------|
| CX 486DX4 | 1 & 2, 3 & 4, 5 & 6, 7 | Open | Open |
| | & 8, 9 & 10 | | |
|-------------+------------------------+------------+--------|
| IBM 486DX4 | Open | Open | Open |
|-------------+------------------------+------------+--------|
| AM | Open | 1 & 2, 3 & | Open |
| 486DX4-100 | | 4, 5 & 6 | |
|-------------+------------------------+------------+--------|
| AM | Open | Open | Open |
| 486DX4-120 | | | |
|-------------+------------------------+------------+--------|
| 80486DX4 | Open | Open | Open |
|-------------+------------------------+------------+--------|
| CX 5X86 | Open | Open | Closed |
|-------------+------------------------+------------+--------|
| AM 5X86 | Open | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | J4 | J6 |
|------------+--------------------------+--------------------|
| » | 3.3v | Pins 1 & 3, 2 & 4 closed | Pins 1 & 2 closed |
|---+--------+--------------------------+--------------------|
| | 3.45v | Pins 1 & 3, 2 & 4 closed | Pins 3 & 4 closed |
|---+--------+--------------------------+--------------------|
| | 3.6v | Pins 1 & 3, 2 & 4 closed | Pins 5 & 6 closed |
|---+--------+--------------------------+--------------------|
| | 5v | Pins 3 & 5, 4 & 6 closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | J15 | J16 |
|------------------+--------------------+--------------------|
| » | 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|----+-------------+--------------------+--------------------|
| | 3 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 SELECTION |
|------------------------------------------------------------|
| Setting | J32 |
|----------------------------+-------------------------------|
| » | RS-232 | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | RS-422 | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | RS-485 | Pins 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WATCHDOG TIMER SELECTION |
|------------------------------------------------------------|
| Setting | J23 | J24 |
|--------------------+-------------------+-------------------|
| System reset | Open | Closed |
|--------------------+-------------------+-------------------|
| IRQ15 | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SSD SELECTION |
|------------------------------------------------------------|
| Device | 360KB | 720KB | 1.2MB | 1.44MB | J30 | J31 |
|--------+--------+--------+--------+--------+-------+-------|
| ROM | 512K x | 512K x | 512K x | 512K x | 1 & 2 | 1 & 2 |
| | 1 | 2 | 3 | 3 | | |
|--------+--------+--------+--------+--------+-------+-------|
| ROM | 128K x | None | None | None | 2 & 3 | 1 & 2 |
| | 3 | | | | | |
|--------+--------+--------+--------+--------+-------+-------|
| Flash | 128K x | None | None | None | 2 & 3 | 2 & 3 |
| | 3 | | | | | |
|--------+--------+--------+--------+--------+-------+-------|
| Flash | 512K x | 512K x | 512K x | 512K x | 1 & 2 | 2 & 3 |
| | 1 | 2 | 3 | 3 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SSD ADDERESS SELECTION |
|------------------------------------------------------------|
| Address | J27/pins 5 & 6 | J27/pins 7 & 8 |
|----------------------+------------------+------------------|
| » | D6000 – D7FFF | Open | Closed |
|---+------------------+------------------+------------------|
| | DE000 – DFFFF | Closed | Open |
|---+------------------+------------------+------------------|
| | Disabled | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDERESS SELECTION |
|------------------------------------------------------------|
| Address | J27/pins 1 & 2 | J27/pins 3 & 4 |
|------------------+--------------------+--------------------|
| » | 204 | Closed | Closed |
|---+--------------+--------------------+--------------------|
| | 284 | Open | Closed |
|---+--------------+--------------------+--------------------|
| | 244 | Closed | Open |
|---+--------------+--------------------+--------------------|
| | 2C4 | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SSD DRIVE SELECTION |
|------------------------------------------------------------|
| Drive | J27/pins 9 & 10 | J27/pins 11 & 12 |
|------------------+--------------------+--------------------|
| | 1 | Closed | Closed |
|---+--------------+--------------------+--------------------|
| | 2 | Closed | Open |
|---+--------------+--------------------+--------------------|
| » | 3 | Open | Closed |
|---+--------------+--------------------+--------------------|
| | 4 | Open | Open |
+------------------------------------------------------------+