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# CHAINTECH COMPUTER COMPANY, LTD.
5IGM0.3
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 270mm 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), cache slot, IR connector
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J4 | IDE interface | J15 |
| interface | | LED | |
|-------------------+----------+------------------+----------|
| Parallel port | J5 | Green PC | J16 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | J7 | Green PC LED | J17 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J8 | Reset switch | J18 |
|-------------------+----------+------------------+----------|
| Serial port 2 | J9 | Turbo LED | J19 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J10 | Power LED & | J20 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J11 | Speaker | J21 |
|-------------------+----------+------------------+----------|
| IR connector | J12 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Chassis fan power | J14 | Cache slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | JP1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | On board I/O enabled | JP2 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | On board I/O disabled | JP2 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Password disabled | JP3 | Open |
|---+---------------------------------+-------+--------------|
| | Password enabled | JP3 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | None | (2) 1M x 36 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 24MB | None | (2) 1M x 36 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 24MB | None | (2) 2M x 36 | (1) 1M 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 | None | (2) 2M x 36 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 40MB | None | (2) 1M x 36 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 48MB | None | (2) 2M x 36 | (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 | None | (2) 4M x 36 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|----------+-----------------+---------------+---------------|
| 72MB | None | (2) 1M x 36 | (1) 8M x 64 |
|----------+-----------------+---------------+---------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 | None |
|----------+-----------------+---------------+---------------|
| 80MB | None | (2) 2M x 36 | (1) 8M x 64 |
|----------+-----------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | None |
|----------+-----------------+---------------+---------------|
| 96MB | None | (2) 8M x 36 | (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. Board also accepts x |
| 32 SIMMs. Banks 0 & 1 are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 |
|----------------+------------------+------------------------|
| 256KB | (2) 32K x 32 | Not installed |
|----------------+------------------+------------------------|
| 512KB (A) | (2) 32K x 32 | 256KB module installed |
|----------------+------------------+------------------------|
| 512KB (B) | (2) 64K x 32 | Not installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP12 | JP13 |
|------------------+--------------------+--------------------|
| 256KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 512KB (A) | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB (B) | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP8 | JP9 | JP14 | JP15 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+-------+-------|
| 120MHz | 50MHz | 2x | 2 & | 2 & | 1 & 2 | 2 & 3 |
| | | | 3 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 133MHz | 55MHz | 2x | 1 & | 1 & | 1 & 2 | 2 & 3 |
| | | | 2 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 150MHz | 60MHz | 2x | 1 & | 2 & | 1 & 2 | 2 & 3 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 166MHz | 66MHz | 2x | 2 & | 1 & | 1 & 2 | 2 & 3 |
| | | | 3 | 2 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP8 | JP9 | JP14 | JP15 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+-------+-------|
| 75MHz | 50MHz | 1.5x | 2 & | 2 & | 1 & 2 | 1 & 2 |
| | | | 3 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 90MHz | 60MHz | 1.5x | 1 & | 2 & | 1 & 2 | 1 & 2 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 100MHz | 66MHz | 1.5x | 2 & | 1 & | 1 & 2 | 1 & 2 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 120MHz | 60MHz | 1.5x | 1 & | 2 & | 1 & 2 | 1 & 2 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 133MHz | 66MHz | 1.5x | 2 & | 1 & | 1 & 2 | 1 & 2 |
| | | | 3 | 2 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP8 | JP9 | JP14 | JP15 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+-------+-------|
| 75MHz | 50MHz | 1.5x | 2 & | 2 & | 1 & 2 | 1 & 2 |
| | | | 3 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 90MHz | 60MHz | 1.5x | 1 & | 2 & | 1 & 2 | 1 & 2 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 100MHz | 66MHz | 1.5x | 2 & | 1 & | 1 & 2 | 1 & 2 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 120MHz | 60MHz | 2x | 1 & | 2 & | 1 & 2 | 2 & 3 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 133MHz | 66MHz | 2x | 2 & | 1 & | 1 & 2 | 2 & 3 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 150MHz | 60MHz | 2.5x | 1 & | 2 & | 2 & 3 | 2 & 3 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 166MHz | 66MHz | 2.5x | 2 & | 1 & | 2 & 3 | 2 & 3 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 200MHz | 66MHz | 3x | 2 & | 1 & | 2 & 3 | 1 & 2 |
| | | | 3 | 2 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP22 | JP23 | JP24 |
|---------+------------------------+------------+------------|
| 3.3v | Pins 1 & 3, 2 & 4 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+------------------------+------------+------------|
| 3.4v | Pins 1 & 3, 2 & 4 | Pins 1 & 2 | Pins 3 & 4 |
| | closed | closed | closed |
|---------+------------------------+------------+------------|
| 3.5v | Pins 1 & 3, 2 & 4 | Pins 1 & 2 | Pins 5 & 6 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | JP22 | JP23 | JP24 |
|------------+-----------+----------------+---------+--------|
| 3.3v | 2.8v | 3 & 5, 4 & 6 | 3 & 4 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+