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# DATAEXPERT CORPORATION
ATX430
Device Type Mainboard
Processor CX 6X86/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed 90/100/120/133/150/166/200/233MHz
Chip Set Intel 430TX
Video Chip Set None
Maximum Onboard 64MB
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 305mm x 170mm
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
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Turbo LED | JP14 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | USB connector 1 | JP15 |
|-------------------+----------+------------------+----------|
| Parallel port | CN2 | USB connector 2 | JP16 |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN3 | Reset switch | JP17 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN4 | IDE interface | JP18 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN5 | Speaker | JP19 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN6 | Power LED & | JP20 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN7 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| IR connector | IR1 | Soft off power | S1 |
| | | supply | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J3 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J4 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS write protect | J5 | Pins 2 & 3 |
| | disabled | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS write protect | J5 | Pins 1 & 2 |
| | enabled | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP6 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP11 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP12 | Closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP12 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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) 4M x 64 | (1) 4M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP3 |JP4 |SW1/1|SW1/2|SW1/3|SW1/4|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|133MHz | 55MHz | 2x |1 & |1 & | On | Off | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|150MHz | 60MHz | 2x |1 & |1 & | On | Off | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|166MHz | 66MHz | 2x |1 & |1 & | On | Off | Off | Off |
| | | | 2 | 2 | | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86, CON’T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW2/1 |SW2/2 |SW2/3 |SW2/4 |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 55MHz | 2x | Off | Off | Off | On |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2x | Off | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2x | On | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP3 |JP4 |SW1/1|SW1/2|SW1/3|SW1/4|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x |1 & |1 & | On | Off | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|100MHz | 66MHz | 1.5x |1 & |1 & | On | Off | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|120MHz | 60MHz | 2x |1 & |1 & | On | Off | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|133MHz | 66MHz | 2x |1 & |1 & | On | Off | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|166MHz | 66MHz | 2.5x |1 & |1 & | On | Off | Off | Off |
| | | | 2 | 2 | | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5, CON’T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW2/1 |SW2/2 |SW2/3 |SW2/4 |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | Off | On | On | On |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | On | On | On | On |
|---------+-----------+----------+------+------+------+------|
| 120MHz | 60MHz | 2x | Off | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 2x | On | On | On | On |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP3 |JP4 |SW1/1|SW1/2|SW1/3|SW1/4|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|166MHz | 66MHz | 2.5x |2 & |2 & | Off | Off | Off | On |
| | | | 3 | 3 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|200MHz | 66MHz | 3x |2 & |2 & | Off | Off | Off | On |
| | | | 3 | 3 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|233MHz | 66MHz | 3.5x |2 & |2 & | Off | On | Off | Off |
| | | | 3 | 3 | | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6, CON’T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW2/1 |SW2/2 |SW2/3 |SW2/4 |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | On | On | On | Off |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 66MHz | 3.5x | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP3 |JP4 |SW1/1|SW1/2|SW1/3|SW1/4|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x |1 & |1 & | Off | On | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|100MHz | 66MHz | 1.5x |1 & |1 & | Off | On | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|120MHz | 60MHz | 2x |1 & |1 & | Off | On | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|133MHz | 66MHz | 2x |1 & |1 & | Off | On | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|150MHz | 60MHz | 2.5x |1 & |1 & | Off | On | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|166MHz | 66MHz | 2.5x |1 & |1 & | Off | On | Off | Off |
| | | | 2 | 2 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|200MHz | 66MHz | 3x |1 & |1 & | Off | On | Off | Off |
| | | | 2 | 2 | | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, CON’T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW2/1 |SW2/2 |SW2/3 |SW2/4 |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | Off | On | On | On |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | On | On | On | On |
|---------+-----------+----------+------+------+------+------|
| 120MHz | 60MHz | 2x | Off | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 2x | On | On | Off | On |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2.5x | Off | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | On | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP3 |JP4 |SW1/1|SW1/2|SW1/3|SW1/4|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|166MHz | 66MHz | 2.5x |2 & |2 & | Off | Off | Off | On |
| | | | 3 | 3 | | | | |
|-------+-------+----------+----+----+-----+-----+-----+-----|
|200MHz | 66MHz | 3x |2 & |2 & | Off | Off | Off | On |
| | | | 3 | 3 | | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX, CON’T) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW2/1 |SW2/2 |SW2/3 |SW2/4 |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | On | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP2 |
|-------------------------------+----------------------------|
| All other CPU types | Open |
|-------------------------------+----------------------------|
| AM K6-233MHz only | Closed |
+------------------------------------------------------------+