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# CHAINTECH COMPUTER COMPANY, LTD.
5TLM
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 686MX/AM K5/AM
K6/Pentium/
Pentium MMX
Processor Speed 90/100/120/133/150/166/200/233MHz
Chip Set Intel 430TX
Video Chip Set None
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS Award
Dimensions 220mm 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 connectors (2),
ATX power connector
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+----------------+-------------|
| ATX power | ATX | Power LED & | J12/pins 1 |
| connector | | keylock | – 5 |
|------------------+----------+----------------+-------------|
| Chassis fan | C1 | Speaker | J12/pins 7 |
| power | | | – 10 |
|------------------+----------+----------------+-------------|
| USB, IR, PS/2 | CN1 | Soft off power | J12/pins 11 |
| mouse | | supply | & 12 |
|------------------+----------+----------------+-------------|
| Parallel port | J3 | Turbo LED | J12/pins 13 |
| | | | & 14 |
|------------------+----------+----------------+-------------|
| Floppy drive | J4 | Green PC | J12/pins 16 |
| interface | | connector | & 17 |
|------------------+----------+----------------+-------------|
| IDE interface 2 | J5 | Green PC LED | J12/pins 18 |
| | | | & 19 |
|------------------+----------+----------------+-------------|
| IDE interface 1 | J6 | Reset switch | J12/pins 21 |
| | | | & 22 |
|------------------+----------+----------------+-------------|
| Serial port 2 | J7 | IDE interface | J12/pins 23 |
| | | LED | & 24 |
|------------------+----------+----------------+-------------|
| Serial port 1 | J8 | 32-bit PCI | PC1 – PC4 |
| | | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| | Power supply select AT | JP1 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Power supply select ATX | JP1 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP2 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP2 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP9 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 8MB | (2) 1M x 36 |
|----------------------------+-------------------------------|
| 16MB | (2) 2M x 36 |
|----------------------------+-------------------------------|
| 32MB | (2) 4M x 36 |
|----------------------------+-------------------------------|
| 64MB | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 512KB | (1) 64K x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP3 | JP4 | JP5 |JP6 |JP7 |JP8 |
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|150MHz | 60MHz | 2x |2 & 3|1 & 2|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2x |2 & 3|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP3 | JP4 | JP5 |JP6 |JP7 |JP8 |
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2x |2 & 3|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 75MHz | 2x |2 & 3|1 & 2|1 & 2|1 & |2 & |1 & |
| | | | | | | 2 | 3 | 2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP3 | JP4 | JP5 |JP6 |JP7 |JP8 |
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 60MHz | 2.5x |2 & 3|2 & 3|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2x |2 & 3|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 66MHz | 2.5x |2 & 3|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 75MHz | 2x |2 & 3|1 & 2|1 & 2|1 & |2 & |1 & |
| | | | | | | 2 | 3 | 2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP3 | JP4 | JP5 |JP6 |JP7 |JP8 |
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|100MHz | 66MHz | 1.5x |1 & 2|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|120MHz | 60MHz | 2x |2 & 3|1 & 2|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|133MHz | 66MHz | 2x |2 & 3|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|150MHz | 60MHz | 2.5x |2 & 3|2 & 3|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2.5x |2 & 3|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP3 | JP4 | JP5 |JP6 |JP7 |JP8 |
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2.5x |2 & 3|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 66MHz | 3x |1 & 2|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|233MHz | 66MHz | 3.5x |1 & 2|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP3 | JP4 | JP5 |JP6 |JP7 |JP8 |
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
| 90MHz | 60MHz | 1.5x |1 & 2|1 & 2|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|100MHz | 66MHz | 1.5x |1 & 2|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|120MHz | 60MHz | 2x |2 & 3|1 & 2|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|133MHz | 66MHz | 2x |2 & 3|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|150MHz | 60MHz | 2.5x |2 & 3|2 & 3|1 & 2|2 & |1 & |1 & |
| | | | | | | 3 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2.5x |2 & 3|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 66MHz | 3x |1 & 2|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP3 | JP4 | JP5 |JP6 |JP7 |JP8 |
| speed | speed | | | | | | | |
|-------+--------+----------+-----+-----+-----+----+----+----|
|166MHz | 66MHz | 2.5x |2 & 3|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|200MHz | 66MHz | 3x |1 & 2|2 & 3|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|-------+--------+----------+-----+-----+-----+----+----+----|
|233MHz | 66MHz | 3.5x |1 & 2|1 & 2|1 & 2|1 & |1 & |1 & |
| | | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP10 | JP11 | JP12 | JP13 |
|---------+------------+------------+------------+-----------|
| 2.2v | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 2.8v | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 2.9v | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 3.2v | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 3.3v | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 3.5v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & |
| | closed | closed | closed | 3 closed |
+------------------------------------------------------------+