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# ELITEGROUP COMPUTER SYSTEMS, INC.
P5TX-AR
Processor CX 6X86/CX 686MX/IBM 6X86/IBM 686MX/AM K5/AM
K6/Pentium
Processor Speed 75/90/100/120/133/150/166/200/233MHz
Chip Set Intel
Video Chip Set ATI
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video 4MB
Memory
Cache 256/512KB
BIOS Award
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
game port, green PC connector, IDE interfaces
(2), parallel port, PS/2 mouse port, serial
ports (2), VGA feature connector, VGA port,
IR connector, USB connectors (2), ATX power
connector, microphone in, line in, line out,
TV out connector, audio in – CD-ROM
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+------------------+-----------|
| ATX power | ATX | Soft off power | J19 |
| connector | | supply | |
|------------------+----------+------------------+-----------|
| PS/2 mouse port | J1 | CPU fan power | J20 |
|------------------+----------+------------------+-----------|
| USB connector | J3 | Intrusion | J21 |
| | | connector | |
|------------------+----------+------------------+-----------|
| USB connector | J3A | Power LED | J22/pins |
| | | | 2 & 3 |
|------------------+----------+------------------+-----------|
| Serial port 2 | J4 | Green PC | J22/pins |
| | | connector | 4 & 5 |
|------------------+----------+------------------+-----------|
| Serial port 1 | J5 | Turbo switch | J22/pins |
| | | | 6 & 7 |
|------------------+----------+------------------+-----------|
| Parallel port | J6 | Reset switch | J22/pins |
| | | | 9 & 10 |
|------------------+----------+------------------+-----------|
| VGA port | J7 | Keylock | J22/pins |
| | | | 11 - 15 |
|------------------+----------+------------------+-----------|
| Floppy drive | J8 | Speaker | J22/pins |
| interface | | | 17 - 20 |
|------------------+----------+------------------+-----------|
| IDE interface 2 | J9 | Green PC LED | JP9 |
|------------------+----------+------------------+-----------|
| IDE interface 1 | J10 | Wake on modem | JP11 |
| | | connector | |
|------------------+----------+------------------+-----------|
| VGA feature | J12 | Game port | P1 |
| connector | | | |
|------------------+----------+------------------+-----------|
| Audio in – | J14 | Microphone in | P2 |
| CD-ROM | | | |
|------------------+----------+------------------+-----------|
| TV out connector | J15 | Line in | P3 |
|------------------+----------+------------------+-----------|
| IDE interface | J16 | Line out | P4 |
| LED | | | |
|------------------+----------+------------------+-----------|
| IR connector | J18 | 32-bit PCI slots | PC1 – PC3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | JP1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | On board video enabled | JP8 | Open |
|---+---------------------------------+-------+--------------|
| | On board video disabled | JP8 | Closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP10 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP10 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|---------+--------------------+--------------+--------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 | None |
|---------+--------------------+--------------+--------------|
| 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|---------+--------------------+--------------+--------------|
| 128MB | (1) 16M x 64 | None | None |
|---------+--------------------+--------------+--------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 | None |
|---------+--------------------+--------------+--------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 | None |
|---------+--------------------+--------------+--------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 | None |
|---------+--------------------+--------------+--------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 | None |
|---------+--------------------+--------------+--------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 | None |
|---------+--------------------+--------------+--------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 | None |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Bank 2 will not |
| accept any module larger than 32MB. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | J13 |
|-----------------+-------------------+----------------------|
| 2MB | 2MB | Not Installed |
|-----------------+-------------------+----------------------|
| 4MB | 2MB | 2MB module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 | JP6 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x | 1 & | 2 & | N/A | N/A | N/A |
| | | | 2 | 3 | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x | 1 & | 2 & | 2 & | 1 & | 2 & |
| | | | 2 | 3 | 3 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | 1 & | 2 & | 1 & | 1 & | 2 & |
| | | | 2 | 3 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 75MHz | 2x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 | JP6 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 75MHz | 2x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 | JP6 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x | 1 & | 2 & | N/A | N/A | N/A |
| | | | 2 | 3 | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x | 1 & | 2 & | 2 & | 1 & | 2 & |
| | | | 2 | 3 | 3 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | 1 & | 2 & | 1 & | 1 & | 2 & |
| | | | 2 | 3 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 75MHz | 2x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 | JP6 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 75MHz | 2x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 | JP6 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | N/A | N/A | N/A |
| | | | 2 | 2 | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 2 & |
| | | | 2 | 2 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 2 & |
| | | | 2 | 2 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | 1 & | 2 & | 1 & | 1 & | 2 & |
| | | | 2 | 3 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 | JP6 |
| 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 SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 | JP6 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | N/A | N/A | N/A |
| | | | 2 | 2 | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 2 & |
| | | | 2 | 2 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | 1 & | 2 & | 1 & | 1 & | 2 & |
| | | | 2 | 3 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & | 1 & | 1 & | 2 & |
| | | | 3 | 3 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 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 VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP7 |
|----------------------------+-------------------------------|
| 2.5v | Pins 9 & 10 closed |
|----------------------------+-------------------------------|
| 2.8v | Pins 7 & 8 closed |
|----------------------------+-------------------------------|
| 2.9v | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| 3.2v | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 3.3v | Pins 1 & 2 closed |
+------------------------------------------------------------+