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# ELITEGROUP COMPUTER SYSTEMS, INC.
P5VX-A (VER 1.1 PCB 1.0)
Processor Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
game port, green PC connector, IDE interfaces
(2), parallel port, PS/2 mouse port, serial
ports (2), cache slot, IR connectors (2), USB
connectors (2), ATX power connector,
microphone port, line in port, line out port,
wavetable connector, modem/phone speaker
connector, soft off power supply
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+-----------+------------------+-----------|
| ATX power | ATX | Reset switch | J12 pins |
| connector | | | 9 & 10 |
|-----------------+-----------+------------------+-----------|
| Game port | CN1 | Power LED & | J12 pins |
| | | keylock | 11 - 15 |
|-----------------+-----------+------------------+-----------|
| Microphone port | CN2 | Speaker | J12 pins |
| | | | 17 - 20 |
|-----------------+-----------+------------------+-----------|
| Line in port | CN3 | IDE interface | J13 |
| | | LED | |
|-----------------+-----------+------------------+-----------|
| Line out port | CN4 | IR connector | J15 |
| | | (fast) | |
|-----------------+-----------+------------------+-----------|
| Serial port 1 | CN5 | IR connector | J17 |
|-----------------+-----------+------------------+-----------|
| Serial port 2 | CN6 | Green PC LED | J18 |
|-----------------+-----------+------------------+-----------|
| Parallel port | CN7 | Chassis fan | J20 |
| | | power | |
|-----------------+-----------+------------------+-----------|
| USB connectors | CN8 | CD-ROM connector | J28 |
|-----------------+-----------+------------------+-----------|
| PS/2 mouse port | CN9 | Volume control | J29 |
| | | connector | |
|-----------------+-----------+------------------+-----------|
| Floppy drive | J9 | Wavetable | J35 |
| interface | | connector | |
|-----------------+-----------+------------------+-----------|
| IDE interface 1 | J10 | Modem/phone | J36 |
| | | speaker | |
| | | connector | |
|-----------------+-----------+------------------+-----------|
| IDE interface 2 | J11 | Soft off power | J37 |
| | | supply | |
|-----------------+-----------+------------------+-----------|
| Power on LED | J12 pins | 32-bit PCI slots | PC1 - PC4 |
| | 2 & 3 | | |
|-----------------+-----------+------------------+-----------|
| Green PC | J12 pins | Cache slot | SL1 |
| connector | 4 & 5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| » | Flash BIOS voltage select 5v | JP8 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS voltage select 12v | JP8 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | CMOS memory normal operation | JP13 | Open |
|---+-------------------------------+-------+----------------|
| | CMOS memory clear | JP13 | Closed |
|---+-------------------------------+-------+----------------|
| » | Super I/O enabled | JP15 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Super I/O disabled | JP15 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | 3D sound enabled | JP21 | Closed |
|---+-------------------------------+-------+----------------|
| | 3D sound disabled | JP21 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 8MB | None | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 16MB | None | None | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 1M x 36 | None | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 32MB | None | None | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | None | (1) 2M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 40MB | (2) 1M x 36 | None | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | None | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 2M x 36 | None | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 64MB | None | None | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | None | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 72MB | (2) 8M x 36 | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 72MB | (2) 1M x 36 | None | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 80MB | (2) 8M x 36 | None | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (2) 2M x 36 | None | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 96MB | (2) 4M x 36 | None | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | None | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 | None |
|------------+---------------+---------------+---------------|
| 128MB | (2) 8M x 36 | None | (1) 8M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | SL1 |
|----------------------------+-------------------------------|
| 256KB | 256KB module installed |
|----------------------------+-------------------------------|
| 512KB | 512KB module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP3 | JP11 | JP12 |
| | speed | | | | |
|--------------+--------+------------+-------+-------+-------|
| 75MHz (P54C) | 50MHz | 1.5x | Open | 1 & 2 | 1 & 2 |
|--------------+--------+------------+-------+-------+-------|
| 90MHz (P54C) | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|--------------+--------+------------+-------+-------+-------|
| 100MHz | 66MHz | 1.5x | 3 & 4 | 1 & 2 | 1 & 2 |
| (P54C) | | | | | |
|--------------+--------+------------+-------+-------+-------|
| 120MHz | 60MHz | 2x | 1 & 2 | 1 & 2 | 2 & 3 |
| (P54C) | | | | | |
|--------------+--------+------------+-------+-------+-------|
| 133MHz | 66MHz | 2x | 3 & 4 | 1 & 2 | 2 & 3 |
| (P54C) | | | | | |
|--------------+--------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2.5x | 1 & 2 | 2 & 3 | 2 & 3 |
| (P54C) | | | | | |
|--------------+--------+------------+-------+-------+-------|
| 150MHz | 60MHz | 2.5x | 1 & 2 | 2 & 3 | 2 & 3 |
| (P55C) | | | | | |
|--------------+--------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2.5x | 3 & 4 | 2 & 3 | 2 & 3 |
| (P54C) | | | | | |
|--------------+--------+------------+-------+-------+-------|
| 166MHz | 66MHz | 2.5x | 3 & 4 | 2 & 3 | 1 & 2 |
| (P55C) | | | | | |
|--------------+--------+------------+-------+-------+-------|
| 200MHz | 66MHz | 3x | 3 & 4 | 2 & 3 | 1 & 2 |
| (P54C) | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed |
| position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP16 | JP17 | JP18 |
| speed | speed | | | | |
|----------+---------+------------+--------+--------+--------|
| 75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
| (P54C) | | | | | |
|----------+---------+------------+--------+--------+--------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
| (P54C) | | | | | |
|----------+---------+------------+--------+--------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
| (P54C) | | | | | |
|----------+---------+------------+--------+--------+--------|
| 120MHz | 60MHz | 2x | 1 & 2 | 1 & 2 | 1 & 2 |
| (P54C) | | | | | |
|----------+---------+------------+--------+--------+--------|
| 133MHz | 66MHz | 2x | 1 & 2 | 1 & 2 | 1 & 2 |
| (P54C) | | | | | |
|----------+---------+------------+--------+--------+--------|
| 150MHz | 60MHz | 2.5x | 1 & 2 | 1 & 2 | 1 & 2 |
| (P54C) | | | | | |
|----------+---------+------------+--------+--------+--------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 2 & 3 |
| (P55C) | | | | | |
|----------+---------+------------+--------+--------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | 1 & 2 | 1 & 2 |
| (P54C) | | | | | |
|----------+---------+------------+--------+--------+--------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 2 & 3 |
| (P55C) | | | | | |
|----------+---------+------------+--------+--------+--------|
| 200MHz | 66MHz | 3x | 1 & 2 | 1 & 2 | 1 & 2 |
| (P54C) | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed |
| position. JP16, JP17 & JP18 may not be present on all |
| boards. The location is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (P54C) |
|------------------------------------------------------------|
| Voltage | JP10 |
|----------------------------+-------------------------------|
| | 3.3v | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| » | 3.525v | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (P55C) |
|------------------------------------------------------------|
| Voltage | JP20 |
|----------------------------+-------------------------------|
| 2.5V | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 2.8V | Pins 3 & 4 closed |
+------------------------------------------------------------+