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# LUCKY STAR TECHNOLOGY CO., LTD.
5I-TX1C
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 686MX/AM K5/AM
K6/Pentium/Pentium MMX
Processor Speed 75/90/100/120/133/150/166/180/200/233MHz
Chip Set Intel 430TX
Maximum Onboard 128MB (EDO & SDRAM supported)
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
interface, serial ports (2), IR connector,
USB connector, ATX power connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Serial port | CN6 |
| connector | | | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN1 | USB connector | CN7 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN2 | PS/2 mouse | CN8 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | IR connector | CN9 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Front panel | JP11 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port | CN5 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | JP10 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP10 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 12v | JP12 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 5v | JP12 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | WIN95 software power down enabled | JP17 | Closed |
|---+-----------------------------------+-------+------------|
| | WIN95 software power down | JP17 | Open |
| | disabled | | |
|---+-----------------------------------+-------+------------|
| | Power supply type select AT | JP18 | Open |
|---+-----------------------------------+-------+------------|
| | Power supply type select ATX | JP18 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 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) 8M x 64 | (1) 8M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP1 |
|----------------------------+-------------------------------|
| 3.3v | Pins 3 & 5, 4 & 6 closed |
|----------------------------+-------------------------------|
| 5v | Pins 1 & 3, 2 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP2 | JP3 | JP4 | JP5 |
|---------+-----------+----------+-------+------+------+-----|
| 120MHz | 50MHz | 2x |Closed |Closed|Closed|1 & 2|
|---------+-----------+----------+-------+------+------+-----|
| 150MHz | 60MHz | 2x | Open | Open |Closed|1 & 2|
|---------+-----------+----------+-------+------+------+-----|
| 166MHz | 66MHz | 2x | Open | Open | Open |1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+--------+------|
| 150MHz | 60MHz | 2x | Open | Open | Closed | 1 & |
| | | | | | | 2 |
|--------+--------+------------+------+------+--------+------|
| 166MHz | 66MHz | 2x | Open | Open | Open | 1 & |
| | | | | | | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+--------+------|
| 166MHz | 60MHz | 2.5x | Open | Open | Closed | 1 & |
| | | | | | | 2 |
|--------+--------+------------+------+------+--------+------|
| 166MHz | 66MHz | 2x | Open | Open | Open | 1 & |
| | | | | | | 2, 3 |
| | | | | | | & 4 |
|--------+--------+------------+------+------+--------+------|
| 200MHz | 66MHz | 2.5x | Open | Open | Open | 1 & |
| | | | | | | 2, 3 |
| | | | | | | & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|CPU speed|Clock |Multiplier| JP2 | JP3 | JP4 | JP5 |
| |speed | | | | | |
|---------+------+----------+------+------+------+-----------|
| 75MHz |50MHz | 1.5x |Closed|Closed|Closed| Open |
|---------+------+----------+------+------+------+-----------|
| 90MHz |60MHz | 1.5x | Open | Open |Closed| Open |
|---------+------+----------+------+------+------+-----------|
| 100MHz |66MHz | 1.5x | Open | Open | Open | Open |
|---------+------+----------+------+------+------+-----------|
| 120MHz |60MHz | 1.5x | Open | Open |Closed| Open |
|---------+------+----------+------+------+------+-----------|
| 133MHz |66MHz | 1.5x | Open | Open | Open | Open |
|---------+------+----------+------+------+------+-----------|
| 166MHz |66MHz | 2.5x | Open | Open | Open |1 & 2, 3 & |
| | | | | | | 4 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+------+--------|
| 166MHz | 66MHz | 2.5x | Open | Open | Open | 1 & 2, |
| | | | | | | 3 & 4 |
|--------+--------+------------+------+------+------+--------|
| 200MHz | 66MHz | 3x | Open | Open | Open | 3 & 4 |
|--------+--------+------------+------+------+------+--------|
| 233MHz | 66MHz | 3.5x | Open | Open | Open | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed|Clock |Multiplier| JP2 | JP3 | JP4 | JP5 |
| |speed | | | | | |
|---------+------+----------+------+------+------+-----------|
| 75MHz |50MHz | 1.5x |Closed|Closed|Closed| Open |
|---------+------+----------+------+------+------+-----------|
| 90MHz |60MHz | 1.5x | Open | Open |Closed| Open |
|---------+------+----------+------+------+------+-----------|
| 100MHz |66MHz | 1.5x | Open | Open | Open | Open |
|---------+------+----------+------+------+------+-----------|
| 120MHz |60MHz | 2x | Open | Open |Closed| 1 & 2 |
|---------+------+----------+------+------+------+-----------|
| 133MHz |66MHz | 2x | Open | Open | Open | 1 & 2 |
|---------+------+----------+------+------+------+-----------|
| 150MHz |60MHz | 2.5x | Open | Open |Closed|1 & 2, 3 & |
| | | | | | | 4 |
|---------+------+----------+------+------+------+-----------|
| 166MHz |66MHz | 2.5x | Open | Open | Open |1 & 2, 3 & |
| | | | | | | 4 |
|---------+------+----------+------+------+------+-----------|
| 180MHz |60MHz | 3x | Open | Open |Closed| 3 & 4 |
|---------+------+----------+------+------+------+-----------|
| 200MHz |66MHz | 3x | Open | Open | Open | 3 & 4 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+------+--------|
| 166MHz | 66MHz | 2.5x | Open | Open | Open | 1 & 2, |
| | | | | | | 3 & 4 |
|--------+--------+------------+------+------+------+--------|
| 200MHz | 66MHz | 3x | Open | Open | Open | 3 & 4 |
|--------+--------+------------+------+------+------+--------|
| 233MHz | 66MHz | 3.5x | Open | Open | Open | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP7 | JP8 |
|--------------------+------------+--------------------------|
| Single voltage | Closed | Open |
|--------------------+------------+--------------------------|
| Dual voltage | Open | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP9 |
|-------------------+----------------------------------------|
| 2.0v | Open |
|-------------------+----------------------------------------|
| 2.1v | Pins 1 & 2 closed |
|-------------------+----------------------------------------|
| 2.5v | Pins 1 & 2, 5 & 6 closed |
|-------------------+----------------------------------------|
| 2.8v | Pins 7 & 8 closed |
|-------------------+----------------------------------------|
| 2.9v | Pins 1 & 2, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.0v | Pins 3 & 4, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.1v | Pins 1 & 2, 3 & 4, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.2v | Pins 5 & 6, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.3v | Pins 1 & 2, 5 & 6, 7 & 8 closed |
|-------------------+----------------------------------------|
| 3.5v | Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed |
+------------------------------------------------------------+