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# LUCKY STAR TECHNOLOGY CO., LTD.
5I-VX1C
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
Maximum Onboard 128MB
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), IR connector, USB connector
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+------------------+-----------|
| Serial port 2 | CN1 | Power LED & | JP9/pins |
| | | keylock | 1 – 5 |
|------------------+----------+------------------+-----------|
| Serial port 1 | CN2 | Speaker | JP9/pins |
| | | | 7 – 10 |
|------------------+----------+------------------+-----------|
| Parallel port | CN3 | Reset switch | JP9/pins |
| | | | 12 & 13 |
|------------------+----------+------------------+-----------|
| Floppy drive | CN4 | IDE interface | JP9/pins |
| interface | | LED | 15 & 16 |
|------------------+----------+------------------+-----------|
| IDE interface 2 | CN5 | Turbo LED | JP9/pins |
| | | | 18 & 19 |
|------------------+----------+------------------+-----------|
| IDE interface 1 | CN6 | Green PC | JP9/pins |
| | | connector | 21 & 22 |
|------------------+----------+------------------+-----------|
| IR connector | IR1 | 32-bit PCI slots | PC1 – PC3 |
|------------------+----------+------------------+-----------|
| PS/2 mouse | JP1 | USB connector | USB |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP2 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP2 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| » | PCI CLK select 32MHz | JP6 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | PCI CLK select CLK/2 | JP6 | Pins 2 & 3 |
| | | | 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 2 |
|----------------------------+-------------------------------|
| 8MB | (1) 1M x 64 |
|----------------------------+-------------------------------|
| 16MB | (1) 2M x 64 |
|----------------------------+-------------------------------|
| 32MB | (1) 4M x 64 |
|----------------------------+-------------------------------|
| 64MB | (1) 8M x 64 |
|----------------------------+-------------------------------|
| 128MB | (1) 16M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP5 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x | 1 & | 1 & | 1 & | 1 & | 2 & |
| | | | 2 | 2 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x | 1 & | 1 & | 2 & | 1 & | 2 & |
| | | | 2 | 2 | 3 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | 2 & | 1 & | 1 & | 1 & | 2 & |
| | | | 3 | 2 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 2 & |
| | | | 2 | 3 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 75MHz | 2x | 2 & | 1 & | 2 & | 1 & | 2 & |
| | | | 3 | 2 | 3 | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP5 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x | 1 & | 1 & | 2 & | 1 & | 2 & |
| | | | 2 | 2 | 3 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | 2 & | 1 & | 1 & | 1 & | 2 & |
| | | | 3 | 2 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 2 & |
| | | | 2 | 3 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 75MHz | 2x | 2 & | 1 & | 2 & | 1 & | 2 & |
| | | | 3 | 2 | 3 | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP5 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 2 & |
| | | | 2 | 3 | 2 | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP5 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 2 & | 1 & | 1 & | 1 & | 1 & |
| | | | 3 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 1.5x | 2 & | 1 & | 1 & | 1 & | 1 & |
| | | | 3 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 1.5x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | 2 & | 1 & | 1 & | 2 & | 2 & |
| | | | 3 | 2 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 1 & | 2 & | 1 & | 2 & | 2 & |
| | | | 2 | 3 | 2 | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP5 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 1 & | 2 & | 1 & | 2 & | 2 & |
| | | | 2 | 3 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & | 2 & | 1 & |
| | | | 2 | 3 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP5 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 2 & | 1 & | 1 & | 1 & | 1 & |
| | | | 3 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | 2 & | 1 & | 1 & | 1 & | 2 & |
| | | | 3 | 2 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 1 & | 2 & |
| | | | 2 | 3 | 2 | 2 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | 2 & | 1 & | 1 & | 2 & | 2 & |
| | | | 3 | 2 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 1 & | 2 & | 1 & | 2 & | 2 & |
| | | | 2 | 3 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 180MHz | 60MHz | 3x | 2 & | 1 & | 1 & | 2 & | 1 & |
| | | | 3 | 2 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & | 2 & | 1 & |
| | | | 2 | 3 | 2 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP5 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 1 & | 2 & | 1 & | 2 & | 2 & |
| | | | 2 | 3 | 2 | 3 | 3 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & | 2 & | 1 & |
| | | | 2 | 3 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP11 | JP12 | JP13 |
|----------------+--------------+--------------+-------------|
| Single voltage | Closed | Open | Open |
|----------------+--------------+--------------+-------------|
| Dual voltage | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP14 |
|----------------------------+-------------------------------|
| 3.3v | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 3.52v | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | JP10 |
|----------------------------+-------------------------------|
| 2.8v | Pins 7 & 8 closed |
|----------------------------+-------------------------------|
| 2.9v | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| 3.3v | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 3.52v | Pins 1 & 2 closed |
+------------------------------------------------------------+