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# LUCKY STAR TECHNOLOGY CO., LTD.
5V-IB
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 686MX/CX MII/AM K5/AM K6/
AM K6-2/Pentium/Pentium MMX
Processor 75/90/100/120/133/150/166/180/200/233/266/300MHz
Speed
Chip Set VIA Apollo
Maximum 512MB (EDO & SDRAM supported)
Onboard
Memory
Cache 256/512/1024KB
BIOS Award
Dimensions 254mm x 218mm
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 connector
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+-----------+----------------+-----------|
| Serial port 1 | CN1 | Speaker | JP2/pins |
| | | | 7 – 10 |
|-------------------+-----------+----------------+-----------|
| Serial port 2 | CN2 | Reset switch | JP2/pins |
| | | | 12 & 13 |
|-------------------+-----------+----------------+-----------|
| Parallel port | CN3 | Green PC LED | JP2/pins |
| | | | 15 & 16 |
|-------------------+-----------+----------------+-----------|
| IDE interface 2 | CN4 | Green PC | JP2/pins |
| | | connector | 18 & 19 |
|-------------------+-----------+----------------+-----------|
| IDE interface 1 | CN5 | IDE interface | JP2/pins |
| | | LED | 21 & 22 |
|-------------------+-----------+----------------+-----------|
| Floppy drive | CN6 | Turbo LED | JP3 |
| interface | | | |
|-------------------+-----------+----------------+-----------|
| PS/2 mouse | CN7 | 32-bit PCI | PC1 – PC4 |
| interface | | slots | |
|-------------------+-----------+----------------+-----------|
| IR connector | IR1 | USB connector | USB |
|-------------------+-----------+----------------+-----------|
| Power LED & | JP2/pins | | |
| keylock | 1 – 5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | JP1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP1 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS type select Windbond, | JROM | Pins 1 & 2 |
| | Atmel, SST | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS type select Intel MXIC | JROM | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|----------------------------+-------------------------------|
| 128MB | (2) 16M x 36 |
|----------------------------+-------------------------------|
| 256MB | (2) 32M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 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 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JD1 |
|----------------------------+-------------------------------|
| » | 3.3v | Pins 5 & 7, 6 & 8 closed |
|---+------------------------+-------------------------------|
| | 5v | Pins 1 & 3, 2 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: The chip sizes are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JBF0 | JBF1 | JBF2 |
| | speed | | | | |
|-----------+------------+------------+--------+------+------|
| 120MHz | 50MHz | 2x | Closed | Open | Open |
|-----------+------------+------------+--------+------+------|
| 133MHz | 55MHz | 2x | Closed | Open | Open |
|-----------+------------+------------+--------+------+------|
| 150MHz | 60MHz | 2x | Closed | Open | Open |
|-----------+------------+------------+--------+------+------|
| 166MHz | 66MHz | 2x | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JCK1 | JCK2 | JCK3 | JCK4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 50MHz | 2x | 2 & 3 | 2 & 3 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 55MHz | 2x | 2 & 3 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 150MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JBF0 | JBF1 | JBF2 |
| | speed | | | | |
|-----------+------------+------------+--------+------+------|
| 133MHz | 55MHz | 2x | Closed | Open | Open |
|-----------+------------+------------+--------+------+------|
| 150MHz | 60MHz | 2x | Closed | Open | Open |
|-----------+------------+------------+--------+------+------|
| 166MHz | 66MHz | 2x | Closed | Open | Open |
|-----------+------------+------------+--------+------+------|
| 200MHz | 75MHz | 3x | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JCK1 | JCK2 | JCK3 | JCK4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 55MHz | 2x | 2 & 3 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 150MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 200MHz | 75MHz | 3x | 1 & 2 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JBF0 | JBF1 | JBF2 |
| | speed | | | | |
|-----------+----------+------------+--------+--------+------|
| 166MHz | 66MHz | 2x | Closed | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 200MHz | 75MHz | 2x | Closed | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 233MHz | 75MHz | 2.5x | Closed | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JCK1 | JCK2 | JCK3 | JCK4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 200MHz | 75MHz | 2x | 1 & 2 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 233MHz | 75MHz | 2.5x | 1 & 2 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX MII) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JBF0 | JBF1 | JBF2 |
|-----------+-------------+------------+-------+------+------|
| 300MHz | 66MHz | 3.5x | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX MII, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JCK1 | JCK2 | JCK3 | JCK4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 300MHz | 66MHz | 3.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JBF0 | JBF1 | JBF2 |
| | speed | | | | |
|-----------+----------+------------+--------+--------+------|
| 75MHz | 50MHz | 1.5x | Open | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 90MHz | 60MHz | 1.5x | Open | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 100MHz | 66MHz | 1.5x | Open | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 120MHz | 60MHz | 1.5x | Open | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 133MHz | 66MHz | 1.5x | Open | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 166MHz | 66MHz | 2.5x | Closed | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JCK1 | JCK2 | JCK3 | JCK4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 75MHz | 50MHz | 1.5x | 2 & 3 | 2 & 3 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 100MHz | 66MHz | 1.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 60MHz | 1.5x | 1 & 2 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 66MHz | 1.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JBF0 | JBF1 | JBF2 |
| speed | speed | | | | |
|---------+----------+------------+--------+--------+--------|
| 166MHz | 66MHz | 2.5x | Closed | Closed | Open |
|---------+----------+------------+--------+--------+--------|
| 200MHz | 66MHz | 3x | Open | Closed | Open |
|---------+----------+------------+--------+--------+--------|
| 233MHz | 66MHz | 3.5x | Open | Open | Open |
|---------+----------+------------+--------+--------+--------|
| 266MHz | 66MHz | 4x | Closed | Open | Closed |
|---------+----------+------------+--------+--------+--------|
| 300MHz | 66MHz | 4.5x | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JCK1 | JCK2 | JCK3 | JCK4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 200MHz | 66MHz | 3x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 233MHz | 66MHz | 3.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 266MHz | 66MHz | 4x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 300MHz | 66MHz | 4.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6-2) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JBF0 | JBF1 | JBF2 |
| speed | speed | | | | |
|---------+----------+------------+--------+--------+--------|
| 266MHz | 66MHz | 4x | Closed | Open | Closed |
|---------+----------+------------+--------+--------+--------|
| 300MHz | 66MHz | 4.5x | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6-2, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JCK1 | JCK2 | JCK3 | JCK4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 266MHz | 66MHz | 4x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 300MHz | 66MHz | 4.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JBF0 | JBF1 | JBF2 |
| | speed | | | | |
|-----------+----------+------------+--------+--------+------|
| 75MHz | 50MHz | 1.5x | Open | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 90MHz | 60MHz | 1.5x | Open | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 100MHz | 66MHz | 1.5x | Open | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 120MHz | 60MHz | 2x | Closed | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 133MHz | 66MHz | 2x | Closed | Open | Open |
|-----------+----------+------------+--------+--------+------|
| 150MHz | 60MHz | 2.5x | Closed | Closed | Open |
|-----------+----------+------------+--------+--------+------|
| 166MHz | 66MHz | 2.5x | Closed | Closed | Open |
|-----------+----------+------------+--------+--------+------|
| 180MHz | 60MHz | 3x | Open | Closed | Open |
|-----------+----------+------------+--------+--------+------|
| 200MHz | 66MHz | 3x | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JCK1 | JCK2 | JCK3 | JCK4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 75MHz | 50MHz | 1.5x | 2 & 3 | 2 & 3 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+-------+-------+------+------|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 100MHz | 66MHz | 1.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 60MHz | 2x | 1 & 2 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 150MHz | 60MHz | 2.5x | 1 & 2 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 180MHz | 60MHz | 3x | 1 & 2 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 200MHz | 66MHz | 3x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JBF0 | JBF1 | JBF2 |
| | speed | | | | |
|-----------+----------+------------+--------+--------+------|
| 166MHz | 66MHz | 2.5x | Closed | Closed | Open |
|-----------+----------+------------+--------+--------+------|
| 200MHz | 66MHz | 3x | Open | Closed | Open |
|-----------+----------+------------+--------+--------+------|
| 233MHz | 66MHz | 3.5x | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX, CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JCK1 | JCK2 | JCK3 | JCK4 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 200MHz | 66MHz | 3x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 233MHz | 66MHz | 3.5x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JV2 |
|----------------------------+-------------------------------|
| AMD | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| AM K6-2 300 | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| Cyrix | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Intel | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JPW1 |
|-------------------+----------------------------------------|
| 2.2v | Pins 3 & 4 closed |
|-------------------+----------------------------------------|
| 2.7v | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|-------------------+----------------------------------------|
| 2.8v | Pins 7 & 8 closed |
|-------------------+----------------------------------------|
| 2.9v | Pins 1 & 2, 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JV1 |
|----------------------------+-------------------------------|
| Single voltage | Open |
|----------------------------+-------------------------------|
| Dual voltage | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+