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# CHAINTECH COMPUTER COMPANY, LTD.
5IEM2.2
Processor CX M1/Pentium
Processor Speed 75/90/100/120/133/150/166MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 275mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, serial ports (2), VRM
connector, cache slot, IR connector
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| VRM module | CN1 | Speaker | J12 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J5 | Turbo LED | J13 |
|-------------------+----------+------------------+----------|
| Serial port 2 | J6 | Power LED & | J14 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Parallel port | J7 | Reset switch | J15 |
|-------------------+----------+------------------+----------|
| Floppy drive | J8 | IR connector | JP3 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J9 | Green PC | JP12 |
| | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J10 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| IDE interface LED | J11 | Cache slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| » | VRM on board regulator | CN1 | Open |
| | disabled | | |
|---+-------------------------------+-------+----------------|
| | VRM on board regulator | CN1 | Pins 6 & 7, 21 |
| | enabled | | & 22 closed |
|---+-------------------------------+-------+----------------|
| » | IR connector type select | JP3 | Pins 1 - 5 |
| | Intel | | closed |
|---+-------------------------------+-------+----------------|
| | IR connector type select HP | JP3 | Pins 3 - 6 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | Factory configured - do not | JP20 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | None |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | None | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M 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 |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 36 | (2) 512K x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+-----------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M 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 | TAG | SL1 |
|-------+-------------+---------------------+----------------|
| 256KB | (8) 32K x 8 | (1) 8K x 8 | Not installed |
|-------+-------------+---------------------+----------------|
| 256KB | None | None | 256KB module |
| | | | installed |
|-------+-------------+---------------------+----------------|
| 512KB | (8) 64K x 8 | (1) 16K or (1) 32K | Not installed |
| | | x 8 | |
|-------+-------------+---------------------+----------------|
| 512KB | None | None | 512KB module |
| | | | installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP10 |
|----------------------------+-------------------------------|
| 256KB | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 512KB | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP13 |
|----------------------------+-------------------------------|
| Mixed cache | Pins 1 & 5, 2 & 6 closed |
|----------------------------+-------------------------------|
| 3.3v cache | Pins 3 & 7, 4 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP11 | JP15 | JP16 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+------+--------|
| 120MHz | 66MHz | 1.5x | 1 & | 2 & | Open | Open |
| | | | 3, 4 | 3 | | |
| | | | & 6 | | | |
|--------+--------+------------+------+------+------+--------|
| 150MHz | 60MHz | 2x | 2 & | 2 & | Open | Closed |
| | | | 4, 3 | 3 | | |
| | | | & 5 | | | |
|--------+--------+------------+------+------+------+--------|
| 166MHz | 66MHz | 2x | 1 & | 2 & | Open | Closed |
| | | | 3, 4 | 3 | | |
| | | | & 6 | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP11 | JP15 | JP16 |
| speed | speed | | | | | |
|--------+-------+------------+-----+------+--------+--------|
| 75MHz | 50MHz | 1.5x | 3 & | 1 & | Open | Open |
| | | | 5, | 2 | | |
| | | | 4 & | | | |
| | | | 6 | | | |
|--------+-------+------------+-----+------+--------+--------|
| 90MHz | 60MHz | 1.5x | 2 & | 2 & | Open | Open |
| | | | 4, | 3 | | |
| | | | 3 & | | | |
| | | | 5 | | | |
|--------+-------+------------+-----+------+--------+--------|
| 100MHz | 66MHz | 1.5x | 1 & | 2 & | Open | Open |
| | | | 3, | 3 | | |
| | | | 4 & | | | |
| | | | 6 | | | |
|--------+-------+------------+-----+------+--------+--------|
| 120MHz | 60MHz | 2x | 2 & | 2 & | Open | Closed |
| | | | 4, | 3 | | |
| | | | 3 & | | | |
| | | | 5 | | | |
|--------+-------+------------+-----+------+--------+--------|
| 133MHz | 66MHz | 2x | 1 & | 2 & | Open | Closed |
| | | | 3, | 3 | | |
| | | | 4 & | | | |
| | | | 6 | | | |
|--------+-------+------------+-----+------+--------+--------|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & | Closed | Closed |
| | | | 4, | 3 | | |
| | | | 3 & | | | |
| | | | 5 | | | |
|--------+-------+------------+-----+------+--------+--------|
| 166MHz | 66MHz | 2.5x | 1 & | 2 & | Closed | Closed |
| | | | 3, | 3 | | |
| | | | 4 & | | | |
| | | | 6 | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP14 |
|----------------------------+-------------------------------|
| 3.3v | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3.4v | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 3.5v | Pins 5 & 6 closed |
+------------------------------------------------------------+