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# KADATCO CO., LTD.
AM-439VX
Device Type Mainboard
Processor CX 6X86/AM K5/AM K6/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200/233MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard 128MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 305mm x 244mm
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 connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Reset switch | C1 | Serial port 1 | CN4 |
|-------------------+----------+------------------+----------|
| IDE interface LED | C2 | Serial port 2 | CN5 |
|-------------------+----------+------------------+----------|
| Speaker | C3 | Parallel port | CN6 |
|-------------------+----------+------------------+----------|
| Power LED & | C4 | USB connector | CN7 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Green PC | C5 | PS/2 mouse | CN8 |
| connector | | interface | |
|-------------------+----------+------------------+----------|
| Chassis fan power | C6 | CPU fan power | FAN |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN1 | IR connector | IR1 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN2 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | | |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | JP6 | Open |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP31 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP31 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP36 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP37 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 4MB | (2) 512K x 36 |
|----------------------------+-------------------------------|
| 8MB | (2) 1M x 36 |
|----------------------------+-------------------------------|
| 16MB | (2) 2M x 36 |
|----------------------------+-------------------------------|
| 32MB | (2) 4M x 36 |
|----------------------------+-------------------------------|
| 64MB | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP25 | JP26 | JP27 | JP28 |
|----------+------------+------------+-----------+-----------|
| » | 3.3v | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & | Pins 1 & |
| | | closed | closed | 2 closed | 2 closed |
|---+------+------------+------------+-----------+-----------|
| | 5v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | closed | closed | 3 closed | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
|------------------------------------------------------------|
| Note: The location of the cache is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x | 1 & | 2 & | 2 & | 2 & | 1 & |
| | | | 2 | 3 | 3 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x | 1 & | 2 & | 1 & | 2 & | 1 & |
| | | | 2 | 3 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 50MHz | 1.5x | 1 & | 1 & | 2 & | 2 & | 1 & |
| | | | 2 | 2 | 3 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 75MHz | 2x | 1 & | 2 & | 1 & | 1 & | 2 & |
| | | | 2 | 3 | 2 | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 2 & | 2 & | 1 & |
| | | | 2 | 2 | 3 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 1 & | 1 & |
| | | | 3 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 2 & | 1 & | 1 & | 1 & | 1 & |
| | | | 3 | 2 | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 1 & | 1 & |
| | | | 3 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 2 & | 1 & | 1 & | 1 & | 1 & |
| | | | 3 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 2 & | 2 & | 1 & |
| | | | 2 | 2 | 3 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & | 2 & | 1 & | 1 & |
| | | | 3 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 1 & | 1 & |
| | | | 3 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 180MHz | 60MHz | 3x | 2 & | 1 & | 2 & | 1 & | 1 & |
| | | | 3 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 2 & | 1 & | 1 & | 1 & | 1 & |
| | | | 3 | 2 | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 2 & | 1 & | 1 & | 1 & | 1 & |
| | | | 3 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP11 | JP12 | JP13 | JP14 | JP15 | JP16 |
|---------+---------+--------+-------+-------+-------+-------|
| 3.5v | 11 & 12 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V | JP11 | JP12 | JP13 | JP14 | JP15 | JP16 |
| | core | | | | | | |
|---------+-------+-------+------+------+------+------+------|
| 3.3v | 2.7v | 1 & 2 | 1 & | 1 & | 1 & | 1 & | 2 & |
| | | | 2 | 2 | 2 | 2 | 3 |
|---------+-------+-------+------+------+------+------+------|
| 3.5v | 2.8v | 3 & 4 | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+-------+------+------+------+------+------|
| 3.3v | 2.8v | 3 & 4 | 1 & | 1 & | 1 & | 1 & | 2 & |
| | | | 2 | 2 | 2 | 2 | 3 |
|---------+-------+-------+------+------+------+------+------|
| 3.3v | 2.9v | 5 & 6 | 1 & | 1 & | 1 & | 1 & | 2 & |
| | | | 2 | 2 | 2 | 2 | 3 |
|---------+-------+-------+------+------+------+------+------|
| 3.5v | 2.9v | 5 & 6 | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+-------+------+------+------+------+------|
| 3.5v | 3.2v | 7 & 8 | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+-------+------+------+------+------+------|
| 3.5v | 3.3v | 9 & | 2 & | 2 & | 2 & | 2 & | 1 & |
| | | 10 | 3 | 3 | 3 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+