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5EA5/A5C
SOYO COMPUTER CO., LTD.
5EA5/A5C
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Processor
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CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium
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Processor Speed
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75/90/100/120/133/150/166/180/200/233/266MHz
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Chip Set
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Unidentified
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Video Chip Set
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None
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Maximum Onboard Memory
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256MB (EDO supported)
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Maximum Video Memory
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None
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Cache
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512KB
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BIOS
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Unidentified
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Dimensions
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254mm x 218mm
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I/O Options
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32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector
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NPU Options
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None
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CONNECTIONS
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Purpose
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Location
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Purpose
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Location
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PS/2 mouse port
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CN1
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Serial port 1
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CN9
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Floppy drive interface
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CN2
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Power LED & keylock
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J17
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USB connector
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CN3
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Speaker
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J18
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Serial port 2
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CN4
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Reset switch
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J19
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IR connector
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CN5
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Green PC connector
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J23
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Parallel port
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CN6
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IDE interface LED
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J24
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IDE interface 2
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CN7
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32-bit PCI slots
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PC1 - PC3
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IDE interface 1
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CN8
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USER CONFIGURABLE SETTINGS
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Function
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Label
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Position
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»
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CMOS memory normal operation
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JP5
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Pins 1 & 2 closed
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CMOS memory clear
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JP5
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Pins 2 & 3 closed
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»
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PCI bus select synchronous
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JP16
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Pins 1 & 2 closed
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PCI bus select asynchronous
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JP16
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Pins 2 & 3 closed
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EMI signals disabled
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JP25
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Closed
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EMI signals enabled
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JP25
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Open
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SIMM CONFIGURATION
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Size
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Bank 0
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Bank 1
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8MB
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(2) 1M x 36
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None
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16MB
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(2) 2M x 36
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None
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16MB
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(2) 1M x 36
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(2) 1M x 36
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24MB
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(2) 2M x 36
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(2) 1M x 36
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32MB
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(2) 4M x 36
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None
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32MB
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(2) 2M x 36
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(2) 2M x 36
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40MB
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(2) 4M x 36
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(2) 1M x 36
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48MB
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(2) 4M x 36
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(2) 2M x 36
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64MB
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(2) 8M x 36
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None
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64MB
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(2) 4M x 36
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(2) 4M x 36
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72MB
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(2) 8M x 36
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(2) 1M x 36
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80MB
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(2) 8M x 36
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(2) 2M x 36
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96MB
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(2) 8M x 36
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(2) 4M x 36
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128MB
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(2) 8M x 36
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(2) 8M x 36
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128MB
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(2) 16M x 36
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None
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136MB
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(2) 16M x 36
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(2) 1M x 36
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144MB
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(2) 16M x 36
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(2) 2M x 36
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160MB
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(2) 16M x 36
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(2) 4M x 36
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192MB
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(2) 16M x 36
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(2) 8M x 36
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256MB
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(2) 16M x 36
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(2) 16M x 36
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Note: Board accepts EDO memory. Banks are interchangeable.
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DIMM CONFIGURATION
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Size
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Bank 0
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8MB
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(1) 1M x 64
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16MB
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(1) 2M x 64
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32MB
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(1) 4M x 64
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64MB
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(1) 8M x 64
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CACHE CONFIGURATION
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Size
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Bank 0
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TAG
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512KB
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(2) 64K x 32
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(1) 16K x 8
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CPU SPEED SELECTION (CX 6X86/6X 86L)
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CPU speed
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Clock speed
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Multiplier
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JP10
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JP11
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JP12
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JP13
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JP14
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120MHz
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50MHz
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2x
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2 & 3
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2 & 3
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2 & 3
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Closed
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Open
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133MHz
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55MHz
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2x
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1 & 2
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2 & 3
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2 & 3
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Closed
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Open
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150MHz
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60MHz
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2x
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1 & 2
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2 & 3
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2 & 3
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Closed
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Open
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166MHz
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66MHz
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2x
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2 & 3
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1 & 2
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2 & 3
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Closed
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Open
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200MHz
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75MHz
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2x
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1 & 2
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2 & 3
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1 & 2
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Closed
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Open
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Note: Pins designated should be in the closed position.
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CPU SPEED SELECTION (CX 6X86MX)
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CPU speed
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Clock speed
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Multiplier
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JP10
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JP11
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JP12
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JP13
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JP14
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166MHz
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66MHz
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2.5x
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2 & 3
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2 & 3
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1 & 2
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Closed
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Closed
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200MHz
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66MHz
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2.5x
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2 & 3
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1 & 2
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2 & 3
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Closed
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Closed
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233MHz
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66MHz
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3x
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2 & 3
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1 & 2
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2 & 3
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Open
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Closed
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233MHz
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75MHz
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2.5x
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1 & 2
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2 & 3
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1 & 2
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Closed
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Closed
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266MHz
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75MHz
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3x
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1 & 2
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2 & 3
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1 & 2
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Open
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Closed
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Note: Pins designated should be in the closed position.
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CPU SPEED SELECTION (AM K5)
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CPU speed
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Clock speed
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Multiplier
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JP10
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JP11
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JP12
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JP13
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JP14
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75MHz
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50MHz
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1.5x
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2 & 3
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2 & 3
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2 & 3
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Open
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Open
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90MHz
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60MHz
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1.5x
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1 & 2
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2 & 3
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2 & 3
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Open
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Open
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100MHz
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66MHz
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1.5x
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2 & 3
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1 & 2
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2 & 3
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Open
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Open
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120MHz
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60MHz
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1.5x
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1 & 2
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2 & 3
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2 & 3
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Open
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Open
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133MHz
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66MHz
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1.5x
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2 & 3
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1 & 2
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2 & 3
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Open
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Open
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150MHz
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60MHz
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2x
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1 & 2
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2 & 3
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2 & 3
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Closed
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Open
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166MHz
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66MHz
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2.5x
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2 & 3
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1 & 2
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2 & 3
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Closed
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Closed
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Note: Pins designated should be in the closed position.
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CPU SPEED SELECTION (AM K6)
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CPU speed
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Clock speed
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Multiplier
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JP10
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JP11
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JP12
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JP13
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JP14
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150MHz
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60MHz
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2x
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1 & 2
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2 & 3
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2 & 3
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Closed
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Open
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166MHz
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66MHz
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2.5x
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2 & 3
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1 & 2
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2 & 3
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Closed
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Closed
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200MHz
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66MHz
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3x
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2 & 3
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1 & 2
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2 & 3
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Open
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Closed
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Note: Pins designated should be in the closed position.
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CPU SPEED SELECTION (INTEL)
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CPU speed
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Clock speed
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Multiplier
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JP10
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JP11
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JP12
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JP13
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JP14
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75MHz
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50MHz
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1.5x
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2 & 3
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2 & 3
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2 & 3
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Open
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Open
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90MHz
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60MHz
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1.5x
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1 & 2
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2 & 3
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2 & 3
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Open
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Open
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100MHz
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66MHz
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1.5x
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2 & 3
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1 & 2
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2 & 3
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Open
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Open
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120MHz
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60MHz
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2x
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1 & 2
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2 & 3
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2 & 3
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Closed
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Open
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133MHz
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66MHz
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2x
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2 & 3
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1 & 2
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2 & 3
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Closed
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Open
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150MHz
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60MHz
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2.5x
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1 & 2
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2 & 3
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2 & 3
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Closed
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Closed
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166MHz
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66MHz
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2.5x
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2 & 3
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1 & 2
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2 & 3
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Closed
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Closed
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180MHz
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60MHz
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3x
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1 & 2
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2 & 3
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2 & 3
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Open
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Closed
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200MHz
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66MHz
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3x
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2 & 3
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1 & 2
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2 & 3
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Open
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Closed
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Note: Pins designated should be in the closed position.
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CPU VOLTAGE SELECTION (SINGLE)
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Voltage
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JP30
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JP31
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JP32
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3.3v
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Open
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1 & 2, 3 & 4
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1 & 2
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| »
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3.52v
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Open
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1 & 2, 3 & 4
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3 & 4
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Note: Pins designated should be in the closed position.
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CPU VOLTAGE SELECTION (DUAL)
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Voltage
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JP30
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JP31
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JP32
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2.8v
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1 & 2, 3 & 4
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Open
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5 & 6
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2.9v
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1 & 2, 3 & 4
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Open
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7 & 8
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Note: Pins designated should be in the closed position.
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