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# DTK COMPUTER, INC.
PAM-0056I (VER. 5.02)
Device Type Mainboard
Processor CX 6X86/CX 6X86L/AM K5/AM K6/Pentium/Pentium
MMX
Processor Speed 75/90/100/110/120/133/150/166/200/233MHz
Chip Set Intel 430TX
Maximum Onboard 128MB (EDO & SDRAM supported)
Memory
Cache 256/512KB
BIOS Award/AMI
Dimensions 220mm x 250mm
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, USB connectors (2)
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Reset switch | J1 | Floppy drive | J12 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Green PC | J2 | Parallel port | J13 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Green PC LED | J3 | Serial port 1 | J14 |
|-------------------+----------+------------------+----------|
| Speaker | J4 | Serial port 2 | J15 |
|-------------------+----------+------------------+----------|
| IDE interface LED | J5 | USB connector 1 | J16 |
|-------------------+----------+------------------+----------|
| Power LED & | J6 | USB connector 2 | J17 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| IR connector | J9 | PS/2 mouse | J18 |
| | | interface | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J10 | PS/2 mouse port | J20 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J11 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| ยป | CMOS memory normal operation | JP2 | Open |
|---+-------------------------------+-------+----------------|
| | CMOS memory clear | JP2 | Closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS voltage select 5v | JP4 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS voltage select 12v | JP4 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM MEMORY 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|----------------+---------------------+---------------------|
| 8MB | (1) 1MB x 64 | None |
|----------------+---------------------+---------------------|
| 16MB | (1) 1MB x 64 | (1) 1MB x 64 |
|----------------+---------------------+---------------------|
| 16MB | (1) 2MB x 64 | None |
|----------------+---------------------+---------------------|
| 24MB | (1) 2MB x 64 | (1) 1MB x 64 |
|----------------+---------------------+---------------------|
| 32MB | (1) 2MB x 64 | (1) 2MB x 64 |
|----------------+---------------------+---------------------|
| 32MB | (1) 4MB x 64 | None |
|----------------+---------------------+---------------------|
| 40MB | (1) 4MB x 64 | (1) 1MB x 64 |
|----------------+---------------------+---------------------|
| 48MB | (1) 4MB x 64 | (1) 2MB x 64 |
|----------------+---------------------+---------------------|
| 64MB | (1) 4MB x 64 | (1) 4MB x 64 |
|----------------+---------------------+---------------------|
| 64MB | (1) 8MB x 64 | None |
|----------------+---------------------+---------------------|
| 72MB | (1) 8MB x 64 | (1) 1MB x 64 |
|----------------+---------------------+---------------------|
| 80MB | (1) 8MB x 64 | (1) 2MB x 64 |
|----------------+---------------------+---------------------|
| 96MB | (1) 8MB x 64 | (1) 4MB x 64 |
|----------------+---------------------+---------------------|
| 128MB | (1) 8MB x 64 | (1) 8MB x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | S4 | S5 |
|----------------+---------------------+---------------------|
| 5V SIMM | Pins 1 & 2 closed | Pins 1 & 2 closed |
|----------------+---------------------+---------------------|
| 3.3V SIMM | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|----------------+---------------------+---------------------|
| 256KB | (2) 32K x 32 | 16K x 8 or 32K x 8 |
|----------------+---------------------+---------------------|
| 512KB | (2) 64K x 32 | 16K x 8 or 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|Speed |Clock speed|Multiplier|SW1/4 |SW1/5|SW1/6|SW1/7|SW1/8|
|------+-----------+----------+------+-----+-----+-----+-----|
|75MHz | 50MHz | 1.5x | Off | Off | On | On | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|90MHz | 60MHz | 1.5x | Off | Off | On | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|100MHz| 66MHz | 1.5x | Off | Off | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|120MHz| 60MHz | 2x | On | Off | On | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|133MHz| 66MHz | 2x | On | Off | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|150MHz| 60MHz | 2.5x | On | On | On | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|166MHz| 66MHz | 2.5x | On | On | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|200MHz| 66MHz | 3x | Off | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
|Speed |Clock speed|Multiplier|SW1/4 |SW1/5|SW1/6|SW1/7|SW1/8|
|------+-----------+----------+------+-----+-----+-----+-----|
|166MHz| 66MHz | 2.5x | On | On | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|200MHz| 66MHz | 3x | Off | On | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|233MHz| 66MHz | 3.5x | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
|Speed |Clock speed|Multiplier|SW1/4 |SW1/5|SW1/6|SW1/7|SW1/8|
|------+-----------+----------+------+-----+-----+-----+-----|
|120MHz| 50MHz | 2x | On | Off | On | On | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|133MHz| 55MHz | 2x | On | Off | Off | On | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|150MHz| 60MHz | 2x | On | Off | On | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|166MHz| 66MHz | 2x | On | Off | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|200MHz| 75MHz | 2x | On | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|Speed |Clock speed|Multiplier|SW1/4 |SW1/5|SW1/6|SW1/7|SW1/8|
|------+-----------+----------+------+-----+-----+-----+-----|
|75MHz | 50MHz | 1.5x | Off | Off | On | On | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|90MHz | 60MHz | 1.5x | Off | Off | On | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|100MHz| 66MHz | 1.5x | Off | Off | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|120MHz| 60MHz | 2x | Off | Off | On | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|133MHz| 66MHz | 2x | On | Off | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|150MHz| 60MHz | 2.5x | Off | Off | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|166MHz| 66MHz | 2.5x | On | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD K6) |
|------------------------------------------------------------|
|Speed |Clock speed|Multiplier|SW1/4 |SW1/5|SW1/6|SW1/7|SW1/8|
|------+-----------+----------+------+-----+-----+-----+-----|
|166MHz| 66MHz | 2.5x | On | On | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|200MHz| 66MHz | 3x | Off | On | Off | Off | Off |
|------+-----------+----------+------+-----+-----+-----+-----|
|233MHz| 66MHz | 3.5x | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | S1 | S2 | S3 | SW1/1 | SW1/2 | SW1/3 |
|---------+--------+--------+--------+-------+-------+-------|
| 3.3V | Closed | Closed | Closed | Off | Off | On |
|---------+--------+--------+--------+-------+-------+-------|
| 3.5V | Closed | Closed | Closed | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| V I/O | V | S1 | S2 | S3 | SW1/1 | SW1/2 | SW1/3 |
| | core | | | | | | |
|-------+-------+------+------+------+-------+-------+-------|
| 3.3V | 2.8V | Open | Open | Open | On | Off | On |
|-------+-------+------+------+------+-------+-------+-------|
| 3.3V | 2.9V | Open | Open | Open | Off | On | On |
|-------+-------+------+------+------+-------+-------+-------|
| 3.3V | 3.2V | Open | Open | Open | Off | Off | On |
+------------------------------------------------------------+