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# DTK COMPUTER, INC.
PAM-0054I (VER. 1.30)
Processor Pentium/CX 6X86/AM K5
Processor 75/90/100/120/133MHz
Speed
Chip Set Intel 440 FX
Max. Onboard 128MB (EDO supported)
DRAM
Cache 256/512KB
BIOS Award/AMI
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface, IDE
interfaces (2), parallel port, PS/2 mouse port,
serial ports (2), VRM connector
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J4 | VRM connector | J14 |
|-------------------+----------+------------------+----------|
| Floppy drive | J5 | Reset switch | J27 |
| interface | | | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | J6 | Turbo LED | J31 |
|-------------------+----------+------------------+----------|
| Serial port 1 | J7 | Speaker | JP20 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J8 | Chassis fan | JP25 |
| | | power | |
|-------------------+----------+------------------+----------|
| Parallel port | J9 | Power LED & | JP26 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Serial port 2 | J10 | 32-bit PCI slots | PC1 - |
| | | | PC3 |
|-------------------+----------+------------------+----------|
| IDE interface LED | J11 | | |
|------------------------------------------------------------|
| Note: The location of pin 1 on JP25 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------------+--------+-------------|
| | On board I/O enabled | JP4 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | On board I/O disabled | JP4 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | Flash BIOS programming enabled | JP21 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | Flash BIOS programming disabled | JP21 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| » | CMOS memory normal operation | JP22 | Open |
|---+---------------------------------+--------+-------------|
| | CMOS memory clear | JP22 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 512K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 36 | (2) 4M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 8M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-----------+-------------+-----------------+----------------|
| 256KB (A) | (8) 32K x 8 | None | (1) 8/16K x 8 |
|-----------+-------------+-----------------+----------------|
| 256KB (B) | None | (1) 32K x 32/36 | None |
|-----------+-------------+-----------------+----------------|
| 512KB | (8) 64K x 8 | None | (1) 16/32K x 8 |
|------------------------------------------------------------|
| Note: If Bank 1 is used, Bank 0 must be empty. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP32 |
|----------------------------+-------------------------------|
| 256KB (A) | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 256KB (B) | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 512KB | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | JP10 | JP11 |
|------------------+--------------------+--------------------|
| DMA 1 | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| DMA 3 | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, W42C25 CLOCK CHIP) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP21 | JP23 |
| speed | speed | | | | |
|---------+--------+------------+----------+--------+--------|
| 75MHz | 50MHz | 1.5x | 5 & 6 | Open | Open |
|---------+--------+------------+----------+--------+--------|
| 90MHz | 60MHz | 1.5x | 1 & 2, 3 | Open | Open |
| | | | & 4 | | |
|---------+--------+------------+----------+--------+--------|
| 100MHz | 66MHz | 1.5x | 3 & 4 | Open | Open |
|---------+--------+------------+----------+--------+--------|
| 120MHz | 60MHz | 2x | 3 & 4 | Closed | Open |
|---------+--------+------------+----------+--------+--------|
| 150MHz | 60MHz | 2.5x | 1 & 2, 3 | Closed | Closed |
| | | | & 4 | | |
|---------+--------+------------+----------+--------+--------|
| 166MHz | 66MHz | 2.5x | 3 & 4 | Closed | Closed |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5, W42C25 CLOCK CHIP) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP21 | JP23 |
| speed | speed | | | | |
|---------+--------+------------+------------+--------+------|
| 75MHz | 50MHz | 1.5x | 5 & 6 | Open | Open |
|---------+--------+------------+------------+--------+------|
| 90MHz | 60MHz | 1.5x | 1 & 2, 3 & | Open | Open |
| | | | 4 | | |
|---------+--------+------------+------------+--------+------|
| 100MHz | 66MHz | 1.5x | 3 & 4 | Open | Open |
|---------+--------+------------+------------+--------+------|
| 120MHz | 60MHz | 2x | 3 & 4 | Closed | Open |
|---------+--------+------------+------------+--------+------|
| 133MHz | 66MHz | 2x | 3 & 4 | Closed | Open |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86, W42C25 CLOCK CHIP) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP21 | JP23 |
| speed | speed | | | | |
|---------+--------+------------+------------+--------+------|
| 90MHz | 50MHz | 1.5x | 1 & 2, 5 & | Closed | Open |
| | | | 6 | | |
|---------+--------+------------+------------+--------+------|
| 120MHz | 50MHz | 2x | 5 & 6 | Closed | Open |
|---------+--------+------------+------------+--------+------|
| 150MHz | 60MHz | 2x | 1 & 2, 3 & | Closed | Open |
| | | | 4 | | |
|---------+--------+------------+------------+--------+------|
| 166MHz | 66MHz | 2x | 3 & 4 | Open | Open |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, MX831801 CLOCK CHIP) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP21 | JP23 |
| speed | speed | | | | |
|---------+--------+------------+----------+--------+--------|
| 75MHz | 50MHz | 1.5x | 5 & 6 | Open | Open |
|---------+--------+------------+----------+--------+--------|
| 90MHz | 60MHz | 1.5x | 3 & 4 | Open | Open |
|---------+--------+------------+----------+--------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2, 5 | Open | Open |
| | | | & 6 | | |
|---------+--------+------------+----------+--------+--------|
| 120MHz | 60MHz | 2x | 3 & 4 | Closed | Open |
|---------+--------+------------+----------+--------+--------|
| 133MHz | 66MHz | 2x | 1 & 2, 5 | Closed | Open |
| | | | & 6 | | |
|---------+--------+------------+----------+--------+--------|
| 150MHz | 60MHz | 2.5x | 1 & 2, 5 | Closed | Closed |
| | | | & 6 | | |
|---------+--------+------------+----------+--------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 2, 5 | Closed | Closed |
| | | | & 6 | | |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5, MX831801 CLOCK CHIP) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP21 | JP23 |
| speed | speed | | | | |
|---------+--------+------------+------------+--------+------|
| 75MHz | 50MHz | 1.5x | 5 & 6 | Open | Open |
|---------+--------+------------+------------+--------+------|
| 90MHz | 60MHz | 1.5x | 3 & 4 | Open | Open |
|---------+--------+------------+------------+--------+------|
| 100MHz | 66MHz | 1.5x | 1 & 2, 5 & | Closed | Open |
| | | | 6 | | |
|---------+--------+------------+------------+--------+------|
| 120MHz | 60MHz | 2x | 3 & 4 | Closed | Open |
|---------+--------+------------+------------+--------+------|
| 133MHz | 66MHz | 2x | 1 & 2, 5 & | Open | Open |
| | | | 6 | | |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86, MX831801 CLOCK CHIP) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP21 | JP23 |
| speed | speed | | | | |
|---------+--------+------------+------------+--------+------|
| 90MHz | 60MHz | 1.5x | 1 & 2, 3 & | Closed | Open |
| | | | 4 | | |
|---------+--------+------------+------------+--------+------|
| 120MHz | 66MHz | 1.5x | 5 & 6 | Closed | Open |
|---------+--------+------------+------------+--------+------|
| 150MHz | 60MHz | 2.5x | 3 & 4 | Closed | Open |
|---------+--------+------------+------------+--------+------|
| 166MHz | 66MHz | 2.5x | 1 & 2, 5 & | Closed | Open |
| | | | 6 | | |
|------------------------------------------------------------|
| Note: Pins designate are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, IMI464 CLOCK CHIP) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP21 | JP23 |
| speed | speed | | | | |
|---------+--------+------------+----------+--------+--------|
| 75MHz | 50MHz | 1.5x | 1 & 2 | Open | Open |
|---------+--------+------------+----------+--------+--------|
| 90MHz | 60MHz | 1.5x | 1 & 2, 5 | Open | Open |
| | | | & 6 | | |
|---------+--------+------------+----------+--------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2, 3 | Open | Open |
| | | | & 4, 5 & | | |
| | | | 6 | | |
|---------+--------+------------+----------+--------+--------|
| 120MHz | 60MHz | 2x | 1 & 2, 5 | Closed | Open |
| | | | & 6 | | |
|---------+--------+------------+----------+--------+--------|
| 133MHz | 66MHz | 2x | 1 & 2, 3 | Closed | Open |
| | | | & 4, 5 & | | |
| | | | 6 | | |
|---------+--------+------------+----------+--------+--------|
| 150MHz | 60MHz | 2.5x | 1 & 2, 5 | Closed | Closed |
| | | | & 6 | | |
|---------+--------+------------+----------+--------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 2, 3 | Closed | Closed |
| | | | & 4, 5 & | | |
| | | | 6 | | |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5, IMI464 CLOCK CHIP) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP21 | JP23 |
| speed | speed | | | | |
|---------+--------+------------+------------+--------+------|
| 75MHz | 50MHz | 1.5x | 1 & 2, 3 & | Open | Open |
| | | | 4, 5 & 6 | | |
|---------+--------+------------+------------+--------+------|
| 90MHz | 60MHz | 1.5x | 1 & 2, 5 & | Open | Open |
| | | | 6 | | |
|---------+--------+------------+------------+--------+------|
| 100MHz | 66MHz | 1.5x | 1 & 2, 3 & | Open | Open |
| | | | 4, 5 & 6 | | |
|---------+--------+------------+------------+--------+------|
| 120MHz | 60MHz | 2x | 1 & 2, 5 & | Closed | Open |
| | | | 6 | | |
|---------+--------+------------+------------+--------+------|
| 133MHz | 66MHz | 2x | 1 & 2, 3 & | Closed | Open |
| | | | 4, 5 & 6 | | |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86, IMI464 CLOCK CHIP) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP21 | JP23 |
| speed | speed | | | | |
|---------+--------+------------+------------+--------+------|
| 90MHz | 50MHz | 1.5x | 3 & 4 | Closed | Open |
|---------+--------+------------+------------+--------+------|
| 120MHz | 50MHz | 2x | 1 & 2 | Closed | Open |
|---------+--------+------------+------------+--------+------|
| 150MHz | 60MHz | 2x | 1 & 2, 5 & | Closed | Open |
| | | | 6 | | |
|---------+--------+------------+------------+--------+------|
| 166MHz | 60MHz | 2.5x | 1 & 2, 3 & | Closed | Open |
| | | | 4, 5 & 6 | | |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP29 | JP30 |
|-----------------+---------------------+--------------------|
| 3.4V | Closed | Open |
|-----------------+---------------------+--------------------|
| 3.5V | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| V I/O | V Core | J14A | J14B | JP29 | JP30 | JP33 |
|--------+--------+--------+-------+--------+-------+--------|
| 3.3V | 2.5V | Open | Open | Closed | Open | Closed |
+------------------------------------------------------------+