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# ELITEGROUP COMPUTER SYSTEMS, INC.
P5HX-B
Processor CX M1/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, PS/2 mouse
interface, serial ports (2), cache slot, IR
connector, USB connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+-----------+----------------+-----------|
| PS/2 mouse port | J3 | Speaker | J12 pins |
| | | | 17 - 20 |
|-------------------+-----------+----------------+-----------|
| Serial port 1 | J4 | IDE interface | J13 |
| | | LED | |
|-------------------+-----------+----------------+-----------|
| Serial port 2 | J5 | USB connector | J17 |
|-------------------+-----------+----------------+-----------|
| Parallel port | J6 | IR connector | J19 |
| | | (IBM) | |
|-------------------+-----------+----------------+-----------|
| Floppy drive | J9 | IR connector | J20 |
| interface | | (Intel) | |
|-------------------+-----------+----------------+-----------|
| IDE interface 1 | J10 | PS/2 mouse | J21 |
| | | interface | |
|-------------------+-----------+----------------+-----------|
| IDE interface 2 | J11 | Chassis fan | J22 |
| | | power | |
|-------------------+-----------+----------------+-----------|
| Turbo LED | J12 pins | Chassis fan | J23 |
| | 2 & 3 | power | |
|-------------------+-----------+----------------+-----------|
| Green PC | J12 pins | Green PC LED | J24 |
| connector | 4 & 5 | | |
|-------------------+-----------+----------------+-----------|
| Turbo switch | J12 pins | 32-bit PCI | PC1 - PC4 |
| | 6 & 7 | slots | |
|-------------------+-----------+----------------+-----------|
| Reset switch | J12 pins | Cache slot | SL1 |
| | 9 & 10 | | |
|-------------------+-----------+----------------+-----------|
| Power LED & | J12 pins | | |
| keylock | 11 - 15 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP5 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP5 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M 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 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M 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 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 136MB | (2) 1M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 2M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 4M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 8M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-----------+--------------+------------------+--------------|
| 256KB (A) | (2) 32K x 32 | None | Unidentified |
|-----------+--------------+------------------+--------------|
| 256KB (B) | None | 256KB module | Unidentified |
| | | installed | |
|-----------+--------------+------------------+--------------|
| 512KB (A) | (2) 32K x 32 | 256KB module | Unidentified |
| | | installed | |
|-----------+--------------+------------------+--------------|
| 512KB (B) | (2) 64K x 32 | None | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP15 | JP16 |
|--------------------+------------------+--------------------|
| None | Open | Open |
|--------------------+------------------+--------------------|
| 256KB (A) | Closed | Pins 1 & 2 closed |
|--------------------+------------------+--------------------|
| 256KB (B) | Open | Pins 1 & 2 closed |
|--------------------+------------------+--------------------|
| 512KB (A) | Closed | Pins 3 & 4 closed |
|--------------------+------------------+--------------------|
| 512KB (B) | Closed | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP2 | JP3 | JP4 |
| | speed | | | | |
|------------+-----------+------------+------+-------+-------|
| 110MHz | 55MHz | 2x | Open | 2 & 3 | Open |
|------------+-----------+------------+------+-------+-------|
| 120MHz | 60MHz | 2x | Open | 2 & 3 | 3 & 4 |
|------------+-----------+------------+------+-------+-------|
| 133MHz | 66MHz | 2x | Open | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 |
| speed | speed | | | | |
|----------+---------+------------+-------+-------+----------|
| 75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2, 3 |
| | | | | | & 4 |
|----------+---------+------------+-------+-------+----------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 3 & 4 |
|----------+---------+------------+-------+-------+----------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 |
|----------+---------+------------+-------+-------+----------|
| 120MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 3 & 4 |
|----------+---------+------------+-------+-------+----------|
| 133MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 1 & 2 |
|----------+---------+------------+-------+-------+----------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 3 & 4 |
|----------+---------+------------+-------+-------+----------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 |
|----------+---------+------------+-------+-------+----------|
| 180MHz | 60MHz | 3x | 2 & 3 | 1 & 2 | 3 & 4 |
|----------+---------+------------+-------+-------+----------|
| 200MHz | 66MHz | 3x | 2 & 3 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE VOLTAGE) |
|------------------------------------------------------------|
| Voltage | JP10 | JP11 | JP12 | JP13 | JP14 |
|--------------+---------+---------+--------+--------+-------|
| » | 3.3v | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|----+---------+---------+---------+--------+--------+-------|
| | 3.52v | 3 & 4 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL VOLTAGE) |
|------------------------------------------------------------|
|Voltage|Core voltage| JP10 | JP11 | JP12 | JP13 |JP14 |JP17 |
|-------+------------+------+------+------+------+-----+-----|
| 3.3v | 2.51 |1 & 2 |2 & 3 |2 & 3 |2 & 3 |2 & 3|1 & 2|
|-------+------------+------+------+------+------+-----+-----|
| 3.3v | 2.73 |1 & 2 |2 & 3 |2 & 3 |2 & 3 |2 & 3|3 & 4|
|-------+------------+------+------+------+------+-----+-----|
| 3.3v | 2.91 |1 & 2 |2 & 3 |2 & 3 |2 & 3 |2 & 3|5 & 6|
|-------+------------+------+------+------+------+-----+-----|
| 3.52v | 2.51 |3 & 4 |2 & 3 |2 & 3 |2 & 3 |2 & 3|1 & 2|
|-------+------------+------+------+------+------+-----+-----|
| 3.52v | 2.73 |3 & 4 |2 & 3 |2 & 3 |2 & 3 |2 & 3|3 & 4|
|-------+------------+------+------+------+------+-----+-----|
| 3.52v | 2.91 |3 & 4 |2 & 3 |2 & 3 |2 & 3 |2 & 3|5 & 6|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+