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# CHAINTECH COMPUTER COMPANY, LTD.
5VGM1.1
Processor CX M1/AM K5/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 Award
Dimensions 250mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), IR connector, USB connector
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+------------+----------------+------------|
| Serial port 1 | CN1 | Speaker | J16/pins 7 |
| | | | - 10 |
|-----------------+------------+----------------+------------|
| Serial port 2 | CN2 | Turbo LED | J16/pins |
| | | | 11 & 12 |
|-----------------+------------+----------------+------------|
| Parallel port | CN3 | Green PC | J16/pins |
| | | connector | 14 & 15 |
|-----------------+------------+----------------+------------|
| Floppy drive | CN4 | Green PC LED | J16/pins |
| interface | | | 16 & 17 |
|-----------------+------------+----------------+------------|
| IDE interface 2 | CN5 | Reset switch | J16/pins |
| | | | 19 & 20 |
|-----------------+------------+----------------+------------|
| IDE interface 1 | CN6 | Chassis fan | JP5 |
| | | power | |
|-----------------+------------+----------------+------------|
| PS/2 mouse | J4 | IDE interface | JP9 |
| interface | | LED | |
|-----------------+------------+----------------+------------|
| IR connector | J5 | 32-bit PCI | PC1 – PC4 |
| | | slots | |
|-----------------+------------+----------------+------------|
| Power LED & | J16/pins 1 | USB connector | USB |
| keylock | - 5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP2 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP2 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| » | PS/2 mouse enabled | JP3 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | PS/2 mouse disabled | JP3 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| » | Password enabled | JP4 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | Password disabled | JP4 | Pins 2 & 3 |
| | | | 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) 2M x 36 | (2) 1M x 36 |
|---------------+-----------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|---------------+-----------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|---------------+-----------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|---------------+-----------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|---------------+-----------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|---------------+-----------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|---------------+-----------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|---------------+-----------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|---------------+-----------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|---------------+-----------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Board also accepts x 32 |
| SIMMs. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| BF1 | BF2 |CLK1 |CLK2 |CLK3 |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x |2 & 3|1 & 2|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x |2 & 3|1 & 2|1 & 2|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x |2 & 3|1 & 2|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x |2 & 3|1 & 2|1 & 2|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| BF1 | BF2 |CLK1 |CLK2 |CLK3 |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x |1 & 2|1 & 2|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x |1 & 2|1 & 2|1 & 2|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 1.5x |1 & 2|1 & 2|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 1.5x |1 & 2|1 & 2|1 & 2|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| BF1 | BF2 |CLK1 |CLK2 |CLK3 |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x |1 & 2|1 & 2|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x |1 & 2|1 & 2|1 & 2|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x |2 & 3|1 & 2|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x |2 & 3|1 & 2|1 & 2|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x |2 & 3|2 & 3|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |2 & 3|2 & 3|1 & 2|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x |1 & 2|2 & 3|1 & 2|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP6 | JP7 | JP8 |
|---------+------------+------------------------+------------|
| 3.3v | Pins 1 & 2 | Pins 1 & 3, 2 & 4 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+------------+------------------------+------------|
| 3.4v | Pins 3 & 4 | Pins 1 & 3, 2 & 4 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+------------+------------------------+------------|
| 3.5v | Pins 5 & 6 | Pins 1 & 3, 2 & 4 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | JP6 | JP7 | JP8 |
|------------+-----------+---------+-------+-----------------|
| 3.3v | 2.5v | 1 & 2 | Open | 3 & 4, 5 & 6 |
|------------+-----------+---------+-------+-----------------|
| 3.3v | 2.7v | 1 & 2 | Open | 3 & 4, 7 & 8 |
|------------+-----------+---------+-------+-----------------|
| 3.3v | 2.8v | 1 & 2 | Open | 3 & 4, 9 & 10 |
|------------+-----------+---------+-------+-----------------|
| 3.3v | 2.9v | 1 & 2 | Open | 3 & 4, 11 & 12 |
|------------+-----------+---------+-------+-----------------|
| 3.4v | 2.5v | 3 & 4 | Open | 3 & 4, 5 & 6 |
|------------+-----------+---------+-------+-----------------|
| 3.4v | 2.7v | 3 & 4 | Open | 3 & 4, 7 & 8 |
|------------+-----------+---------+-------+-----------------|
| 3.4v | 2.8v | 3 & 4 | Open | 3 & 4, 9 & 10 |
|------------+-----------+---------+-------+-----------------|
| 3.4v | 2.9v | 3 & 4 | Open | 3 & 4, 11 & 12 |
|------------+-----------+---------+-------+-----------------|
| 3.5v | 2.5v | 5 & 6 | Open | 3 & 4, 5 & 6 |
|------------+-----------+---------+-------+-----------------|
| 3.5v | 2.7v | 5 & 6 | Open | 3 & 4, 7 & 8 |
|------------+-----------+---------+-------+-----------------|
| 3.5v | 2.8v | 5 & 6 | Open | 3 & 4, 9 & 10 |
|------------+-----------+---------+-------+-----------------|
| 3.5v | 2.9v | 5 & 6 | Open | 3 & 4, 11 & 12 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+