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# PC CHIPS MANUFACTURING, LTD.
M715
Device Type Mainboard
Processor Pentium II
Processor Speed 233/266/275/333MHz
Chip Set Intel 440LX
Video Chip Set None
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Unidentified
I/O Options 32-bit PCI slots (3), game/sound connector,
Audio in - CD-ROM (2), floppy drive
interface, IDE interfaces (2), parallel port,
PS/2 mouse port, serial ports (2), AGP slot,
ATX power connector, ATX form card connector,
green PC connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+---------------+--------------|
| AGP slot | AGP | Speaker | J5/pins 1, |
| | | | 3, 5, 7 |
|------------------+----------+---------------+--------------|
| ATX power | ATX | Power LED & | J5/pins 2, |
| connector | | keylock | 4, 6, 8, 10 |
|------------------+----------+---------------+--------------|
| Audio in - | CD1 | IDE interface | J5/pins 15 & |
| CD-ROM | | LED | 16 |
|------------------+----------+---------------+--------------|
| Audio in - | CD2 | Reset switch | J5/pins 17 & |
| CD-ROM | | | 18 |
|------------------+----------+---------------+--------------|
| Serial port 1 | CN1 | Green PC | J5/pins 19 & |
| | | connector | 20 |
|------------------+----------+---------------+--------------|
| Serial port 2 | CN2 | Chassis fan | J6 |
| | | connector | |
|------------------+----------+---------------+--------------|
| IDE interface 1 | CN3 | CPU fan | J7 |
| | | connector | |
|------------------+----------+---------------+--------------|
| IDE interface 2 | CN4 | Game/sound | J9 |
| | | connector | |
|------------------+----------+---------------+--------------|
| Parallel port | CN5 | Digital audio | J10 |
| | | in | |
|------------------+----------+---------------+--------------|
| Floppy drive | CN6 | Digital audio | J11 |
| interface | | out | |
|------------------+----------+---------------+--------------|
| PS/2 mouse | J1 | 32-bit PCI | PC1 - PC3 |
| interface | | slots | |
|------------------+----------+---------------+--------------|
| ATX form card | J3 | PS/2 mouse | PS2 |
| connector | | port | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| | Sound pro selector enabled | JP1 | Open |
|---+------------------------------+-------+-----------------|
| | Sound pro selector disabled | JP1 | Closed |
|---+------------------------------+-------+-----------------|
| | Standard microphone selected | JP2 | Open |
|---+------------------------------+-------+-----------------|
| | Special microphone selected | JP2 | Closed |
|---+------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP4 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP4 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1MB x 32 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2MB x 32 | None |
|------------------+--------------------+--------------------|
| 24MB | (2) 2MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 2MB x 32 | (2) 2MB x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4MB x 32 | None |
|------------------+--------------------+--------------------|
| 40MB | (2) 4MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4MB x 32 | (2) 2MB x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8MB x 32 | None |
|------------------+--------------------+--------------------|
| 72MB | (2) 8MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8MB x 32 | (2) 2MB x 32 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8MB x 32 | (2) 8MB x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16MB x 32 | None |
|------------------+--------------------+--------------------|
| 136MB | (2) 16MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16MB x 32 | (2) 2MB x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CONT.) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|--------------+----------------------+----------------------|
| 160MB | (2) 16MB x 32 | (2) 4MB x 32 |
|--------------+----------------------+----------------------|
| 192MB | (2) 16MB x 32 | (2) 8MB x 32 |
|--------------+----------------------+----------------------|
| 256MB | (2) 16MB x 32 | (2) 16MB x 32 |
|------------------------------------------------------------|
| Note: It is not recommended that SIMMS and DIMMS be used |
| together. If they are, use single-sided memory, and Bank 0 |
| must be paired with Bank 2, and Bank 1 with Bank 3. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM 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 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16MB x 64 | None |
|------------------+--------------------+--------------------|
| 136MB | (1) 16MB x 64 | (1) 1MB x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16MB x 64 | (1) 2MB x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16MB x 64 | (1) 4MB x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16MB x 64 | (1) 8MB x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16MB x 64 | (1) 16MB x 64 |
|------------------------------------------------------------|
| Note: Board accepts both EDO and SDRAM. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP3A | JP3B |
|------------------+--------------------+--------------------|
| | 5V | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| » | 3.3V | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed |Clock Speed|Multiplier| JP5A | JP5B | JP5C | JP5D |
|-------+-----------+----------+-------+-------+------+------|
|233MHz | 66MHz | 3.5x | Open | Open |Closed|Closed|
|-------+-----------+----------+-------+-------+------+------|
|266MHz | 66MHz | 4x |Closed |Closed | Open |Closed|
|-------+-----------+----------+-------+-------+------+------|
|300MHz | 66MHz | 4.5x | Open |Closed | Open |Closed|
|-------+-----------+----------+-------+-------+------+------|
|333MHz | 66MHz | 5x |Closed | Open | Open |Closed|
|-------+-----------+----------+-------+-------+------+------|
|366MHz | 66MHz | 5.5x | Open | Open | Open |Closed|
+------------------------------------------------------------+