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# DTK COMPUTER, INC.
PAM-0056I (VER. 3.02)
Device Type Mainboard
Processor CX 6X86/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed 75/90/100/110/120/133/150/166/200MHz
Chip Set Intel 430TX
Maximum Onboard 128MB (EDO supported)
Memory
Cache 256/512KB
BIOS Award/AMI
Dimensions 220mm x 230mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interface, parallel port, PS/2 mouse
port, serial ports (2), IR connector, green
PC connector, PS/2 mouse interface, USB
connectors (2)
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+------------------+-----------|
| Reset switch | J1 | USB 1 connector | J12/pins |
| | | | 2 - 5 |
|------------------+----------+------------------+-----------|
| Green PC | J2 | PS/2 mouse | J12/pins |
| connector | | interface | 6 - 10 |
|------------------+----------+------------------+-----------|
| Green PC LED | J3 | USB 2 connector | J12/pins |
| connector | | | 12 - 15 |
|------------------+----------+------------------+-----------|
| Speaker | J4 | IR connector | J12/pins |
| | | | 16 - 20 |
|------------------+----------+------------------+-----------|
| IDE interface | J5 | Parallel port | J13 |
| LED | | | |
|------------------+----------+------------------+-----------|
| Power LED & | J6 | Serial port 2 | J14 |
| keylock | | | |
|------------------+----------+------------------+-----------|
| IDE interface 1 | J9 | Serial port 1 | J15 |
|------------------+----------+------------------+-----------|
| IDE interface 2 | J10 | PS/2 mouse port | J20 |
|------------------+----------+------------------+-----------|
| Floppy drive | J11 | 32-bit PCI slots | PC1 - PC4 |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| » | Flash BIOS voltage select 5v | JP4 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS voltage select 12v | JP4 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | CMOS memory normal operation | JP5 | Open |
|---+-------------------------------+-------+----------------|
| | CMOS memory clear | JP5 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1MB x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1MB x 36 | (2) 1MB x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2MB x 36 | None |
|------------------+--------------------+--------------------|
| 24MB | (2) 2MB x 36 | (2) 1MB x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 2MB x 36 | (2) 2MB x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4MB x 36 | None |
|------------------+--------------------+--------------------|
| 40MB | (2) 4MB x 36 | (2) 1MB x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4MB x 36 | (2) 2MB x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4MB x 36 | (2) 4MB x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8MB x 36 | None |
|------------------+--------------------+--------------------|
| 72MB | (2) 8MB x 36 | (2) 1MB x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8MB x 36 | (2) 2MB x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8MB x 36 | (2) 4MB x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8MB x 36 | (2) 8MB x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|----------------+---------------------+---------------------|
| 256K | (2) 32K x 32 | 16K x 8 or 32K x 8 |
|----------------+---------------------+---------------------|
| 512K | (2) 64K x 32 | 16K x 8 or 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|Speed |Clock speed|Multiplier| JP6 | JP7 | S1 | S2 | S3 |
|------+-----------+----------+-----+-----+------+------+----|
|75MHz | 50MHz | 1.5x |1 & 2|1 & 2|Closed|Closed|Open|
|------+-----------+----------+-----+-----+------+------+----|
|90MHz | 60MHz | 1.5x |1 & 2|1 & 2|Closed| Open |Open|
|------+-----------+----------+-----+-----+------+------+----|
|100MHz| 66MHz | 1.5x |1 & 2|1 & 2| Open |Closed|Open|
|------+-----------+----------+-----+-----+------+------+----|
|120MHz| 60MHz | 2x |1 & 2|2 & 3|Closed| Open |Open|
|------+-----------+----------+-----+-----+------+------+----|
|133MHz| 66MHz | 2x |1 & 2|2 & 3| Open |Closed|Open|
|------+-----------+----------+-----+-----+------+------+----|
|150MHz| 60MHz | 2.5x |2 & 3|2 & 3|Closed| Open |Open|
|------+-----------+----------+-----+-----+------+------+----|
|166MHz| 66MHz | 2.5x |2 & 3|2 & 3| Open |Closed|Open|
|------+-----------+----------+-----+-----+------+------+----|
|200MHz| 66MHz | 3x |2 & 3|1 & 2| Open |Closed|Open|
|------------------------------------------------------------|
|Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|Speed |Clock speed|Multiplier| JP6 | JP7 | S1 | S2 | S3 |
|------+-----------+----------+-----+-----+------+------+----|
|75MHz | 50MHz | 1.5x |1 & 2|1 & 2|Closed|Closed|Open|
|------+-----------+----------+-----+-----+------+------+----|
|90MHz | 60MHz | 1.5x |1 & 2|1 & 2|Closed| Open |Open|
|------+-----------+----------+-----+-----+------+------+----|
|100MHz| 66MHz | 1.5x |1 & 2|1 & 2| Open |Closed|Open|
|------+-----------+----------+-----+-----+------+------+----|
|120MHz| 60MHz | 2x |1 & 2|1 & 2|Closed| Open |Open|
|------+-----------+----------+-----+-----+------+------+----|
|133MHz| 66MHz | 2x |1 & 2|1 & 2| Open |Closed|Open|
|------+-----------+----------+-----+-----+------+------+----|
|150MHz| 60MHz | 2.5x |1 & 2|1 & 2| Open |Closed|Open|
|------+-----------+----------+-----+-----+------+------+----|
|166MHz| 66MHz | 2.5x |2 & 3|2 & 3| Open |Closed|Open|
|------------------------------------------------------------|
|Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
|Speed | Clock |Multiplier| JP6 | JP7 | S1 | S2 | S3 |
| | speed | | | | | | |
|------+---------+----------+-----+-----+------+------+------|
|120MHz| 50MHz | 2x |1 & 2|2 & 3|Closed|Closed| Open |
|------+---------+----------+-----+-----+------+------+------|
|133MHz| 55MHz | 2x |1 & 2|2 & 3| Open | Open | Open |
|------+---------+----------+-----+-----+------+------+------|
|150MHz| 60MHz | 2x |1 & 2|2 & 3|Closed| Open | Open |
|------+---------+----------+-----+-----+------+------+------|
|166MHz| 66MHz | 2x |2 & 3|2 & 3| Open |Closed| Open |
|------+---------+----------+-----+-----+------+------+------|
|200MHz| 75MHz | 2x |1 & 2|2 & 3| Open | Open |Closed|
|------------------------------------------------------------|
|Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | Q2 | JP1 | S4 | S5 | S6 |
|---------+--------------+--------+--------+--------+--------|
| 3.4V | 2 | Closed | Closed | Closed | Closed |
| | Transistors | | | | |
| | installed | | | | |
|---------+--------------+--------+--------+--------+--------|
| 3.5V | 2 | Open | Closed | Closed | Closed |
| | Transistors | | | | |
| | installed | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| V | V | Q2 | JP1 | S4 | S5 | S6 |
| core | I/O | | | | | |
|-------+------+---------------+--------+------+------+------|
| 3.4V | 2.8V | 2 Transistors | Closed | Open | Open | Open |
| | | installed | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | S7 | S8 |
|------------------+--------------------+--------------------|
| 5V | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3.3V | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+