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# CHAINTECH COMPUTER COMPANY, LTD.
5IFM1.2
Processor CX M1/AM K5/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 280mm 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, USB
connector
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+------------+---------------+-------------|
| PS/2 mouse | J4 | Speaker | J16/pins 7 |
| interface | | | - 10 |
|-----------------+------------+---------------+-------------|
| USB connector | J5 | Turbo LED | J16/pins 11 |
| | | | & 12 |
|-----------------+------------+---------------+-------------|
| Serial port 2 | J7 | Green PC | J16/pins 14 |
| | | connector | & 15 |
|-----------------+------------+---------------+-------------|
| Serial port 1 | J8 | Green PC LED | J16/pins 16 |
| | | | & 17 |
|-----------------+------------+---------------+-------------|
| IR connector | J10 | Reset switch | J16/pins 19 |
| | | | & 20 |
|-----------------+------------+---------------+-------------|
| Floppy drive | J11 | IDE interface | J17/pins 1 |
| interface | | LED 1 | & 2 |
|-----------------+------------+---------------+-------------|
| Parallel port | J12 | IDE interface | J17/pins 3 |
| | | LED 2 | & 4 |
|-----------------+------------+---------------+-------------|
| IDE interface 1 | J13 | Chassis fan | J18 |
| | | power | |
|-----------------+------------+---------------+-------------|
| IDE interface 2 | J14 | 32-bit PCI | PC1 – PC4 |
| | | slots | |
|-----------------+------------+---------------+-------------|
| Power LED & | J16/pins 1 | Cache slot | SL1 |
| keylock | - 5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Keyboard grounding EMI radiation | JP1 | Closed |
| | increased | | |
|---+-----------------------------------+-------+------------|
| | Keyboard grounding EMI radiation | JP1 | Open |
| | decreased | | |
|---+-----------------------------------+-------+------------|
| » | PS/2 mouse enabled | JP2 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | PS/2 mouse disabled | JP2 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Password enabled | JPX1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Password disabled | JPX1 | 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 |
|---------------+----------------------+---------------------|
| 128MB | (2) 16M x 36 | None |
|---------------+----------------------+---------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|---------------+----------------------+---------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|---------------+----------------------+---------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|---------------+----------------------+---------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|---------------+----------------------+---------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG | TAG 0 |
|-------+---------+---------------+--------------+-----------|
| 256KB | (2) 32K | Not installed | Unidentified | (1) |
| | x 32 | | | 16K/32K x |
| | | | | 8 |
|-------+---------+---------------+--------------+-----------|
| 512KB | (2) 32K | 256KB module | Unidentified | (1) |
| | x 32 | installed | | 16K/32K x |
| | | | | 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP4 | JP5 |
|------------------+--------------------+--------------------|
| 256KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF1 | BF2 | JP8 | JP9 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 50MHz | 2x | 2 & 3 | 1 & 2 | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 55MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 150MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & | 2 & |
| | | | | | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF1 | BF2 | JP8 | JP9 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & | 2 & |
| | | | | | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF1 | BF2 | JP8 | JP9 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 180MHz | 60MHz | 3x | 1 & 2 | 2 & 3 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP7 | JP19 |
|-------------+-----------------------------+----------------|
| 3.3v | 1 & 2, 3 & 4, 5 & 6, 7 & 8 | 1 & 2, 5 & 6 |
|-------------+-----------------------------+----------------|
| 3.5v | 1 & 2, 3 & 4, 5 & 6, 7 & 8 | 3 & 4, 5 & 6 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | JP7 | J19 |
|------------+-----------+--------+--------------------------|
| 3.3v | 2.5v | Open | 1 & 2, 7 & 8, 15 & 16 |
|------------+-----------+--------+--------------------------|
| 3.3v | 2.7v | Open | 1 & 2, 9 & 10, 15 & 16 |
|------------+-----------+--------+--------------------------|
| 3.3v | 2.8v | Open | 1 & 2, 11 & 12, 15 & 16 |
|------------+-----------+--------+--------------------------|
| 3.3v | 2.9v | Open | 1 & 2, 13 & 14, 15 & 16 |
|------------+-----------+--------+--------------------------|
| 3.5v | 2.5v | Open | 3 & 4, 7 & 8, 15 & 16 |
|------------+-----------+--------+--------------------------|
| 3.5v | 2.7v | Open | 3 & 4, 9 & 10, 15 & 16 |
|------------+-----------+--------+--------------------------|
| 3.5v | 2.8v | Open | 3 & 4, 11 & 12, 15 & 16 |
|------------+-----------+--------+--------------------------|
| 3.5v | 2.9v | Open | 3 & 4, 13 & 14, 15 & 16 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+