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MEGAPRO
AMERICAN MEGATRENDS, INC.
MEGAPRO
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Processor
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Pentium Pro
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Processor Speed
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133/150/166/180/200MHz
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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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512MB (EDO supported)
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Maximum Video Memory
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None
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Cache
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256/512KB (located on Pentium Pro CPU)
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BIOS
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AMI
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Dimensions
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355mm x 304mm
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I/O Options
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32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA interface, IR connector, VRM connectors (2), USB connectors (2)
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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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CPU fan
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J2
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PS/2 mouse interface
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P8
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CPU fan
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J3
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Floppy drive interface
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P10
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Chassis door connector
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J12
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IDE interface 1
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P11
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IDE interface LED
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J13
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Parallel port
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P12
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Speaker
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J16
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IDE interface 2
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P13
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Chassis fan power
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J18
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USB connector 1
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P14
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Green PC connector
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J21
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USB connector 2
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P15
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Power LED & keylock
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J23
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VGA connector
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P20
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Turbo LED
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J26
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32-bit PCI slots
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PC1 - PC4
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Reset switch
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J28
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VRM connector 1
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VRM1
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Serial port 1
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P4
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VRM connector 2
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VRM2
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Serial port 2
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P5
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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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Factory configured - do not alter
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J11
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Open
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»
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Factory configured - do not alter
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J14
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Pins 1 & 2 closed
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PS/2 mouse IRQ12 enabled
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J15
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Pins 2 & 3 closed
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PS/2 mouse IRQ12 disabled
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J15
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Pins 1 & 2 closed
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»
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On board PCI VGA enabled
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J19
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Open
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On board PCI VGA disabled
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J19
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Closed
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»
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PCI IRQ disabled
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J20
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Closed
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PCI IRQ enabled
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J20
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Open
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»
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Server management SMI disabled
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J22
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Open
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Server management SMI enabled
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J22
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Closed
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»
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External SMI disabled
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J25
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Open
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External SMI enabled
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J25
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Closed
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»
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Factory configured - do not alter
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J27
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Open
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»
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CMOS memory normal operation
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J29
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Open
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CMOS memory clear
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J29
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Closed
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DRAM CONFIGURATION
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Size
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Bank 0
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Bank 1
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Bank 2
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Bank 3
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8MB
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(2) 1M x 36
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None
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None
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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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None
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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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None
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None
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24MB
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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None
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24MB
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(2) 1M x 36
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(2) 2M x 36
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None
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None
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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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None
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None
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32MB
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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32MB
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(2) 2M x 36
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(2) 1M x 36
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(2) 1M 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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None
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None
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DRAM CONFIGURATION (CON'T)
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Size
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Bank 0
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Bank 1
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Bank 2
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Bank 3
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32MB
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(2) 4M x 36
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None
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None
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None
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40MB
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(2) 1M x 36
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(2) 2M x 36
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(2) 2M x 36
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None
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40MB
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(2) 1M x 36
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(2) 4M x 36
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None
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None
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40MB
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(2) 2M x 36
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M 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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None
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None
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48MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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None
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48MB
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(2) 2M x 36
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(2) 4M x 36
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None
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None
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48MB
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(2) 4M x 36
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(2) 1M x 36
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(2) 1M x 36
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None
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56MB
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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(2) 1M x 36
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56MB
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(2) 4M x 36
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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64MB
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(2) 4M x 36
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(2) 2M x 36
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(2) 2M 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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None
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None
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64MB
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(2) 8M x 36
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None
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None
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None
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72MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 1M x 36
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None
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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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None
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None
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80MB
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(2) 2M x 36
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(2) 8M x 36
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None
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None
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80MB
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(2) 4M x 36
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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80MB
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(2) 8M x 36
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(2) 1M x 36
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(2) 1M x 36
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None
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88MB
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(2) 8M x 36
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M x 36
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96MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M x 36
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None
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96MB
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(2) 4M x 36
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(2) 8M x 36
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None
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None
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96MB
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(2) 8M x 36
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(2) 2M x 36
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(2) 2M x 36
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None
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112MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M x 36
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(2) 2M x 36
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112MB
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(2) 8M x 36
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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128MB
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M 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) 4M x 36
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(2) 4M x 36
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None
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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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None
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None
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128MB
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(2) 16M x 36
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None
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None
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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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None
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None
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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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None
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None
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144MB
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(2) 16M x 36
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(2) 1M x 36
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(2) 1M x 36
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None
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152MB
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(2) 16M x 36
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(2) 1M x 36
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(2) 1M x 36
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(2) 1M 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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None
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None
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160MB
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(2) 8M x 36
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M x 36
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160MB
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(2) 16M x 36
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(2) 2M x 36
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(2) 2M x 36
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None
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176MB
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(2) 16M x 36
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(2) 2M x 36
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(2) 2M x 36
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(2) 2M x 36
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192MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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None
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192MB
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(2) 16M x 36
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(2) 4M x 36
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(2) 4M x 36
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None
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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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None
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None
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200MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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(2) 1M x 36
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DRAM CONFIGURATION (CON'T)
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Size
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Bank 0
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Bank 1
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Bank 2
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Bank 3
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208MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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(2) 2M x 36
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224MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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(2) 4M x 36
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224MB
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(2) 16M x 36
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(2) 4M x 36
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(2) 4M x 36
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(2) 4M x 36
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256MB
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M 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) 8M x 36
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(2) 8M x 36
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None
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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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None
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None
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264MB
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(2) 16M x 36
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(2) 16M x 36
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(2) 1M x 36
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None
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288MB
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(2) 16M x 36
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(2) 16M x 36
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(2) 4M x 36
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None
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320MB
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(2) 16M x 36
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(2) 16M x 36
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(2) 8M x 36
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None
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320MB
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(2) 16M x 36
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(2) 8M x 36
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(2) 8M x 36
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(2) 8M x 36
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384MB
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(2) 16M x 36
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(2) 16M x 36
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(2) 16M x 36
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None
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400MB
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(2) 16M x 36
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(2) 16M x 36
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(2) 16M x 36
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(2) 2M x 36
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416MB
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(2) 16M x 36
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(2) 16M x 36
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(2) 16M x 36
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(2) 4M x 36
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512MB
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(2) 16M x 36
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(2) 16M x 36
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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.
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CACHE CONFIGURATION
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Note: 256KB/512KB cache is located on the Pentium Pro CPU.
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CPU SPEED SELECTION
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CPU speed
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Clock speed
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Multiplier
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J7
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J8
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J9
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133MHz
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66MHz
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2x
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Open
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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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Closed
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Open
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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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Open
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Closed
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Open
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180MHz
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60MHz
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3x
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Closed
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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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Open
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Closed
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Open
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CPU SPEED SELECTION
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CPU speed
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Clock speed
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Multiplier
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J10
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J17
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J24
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133MHz
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66MHz
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2x
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Closed
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2
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150MHz
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60MHz
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2.5x
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Open
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3 & 4, 5 & 6, 7 & 8
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1 & 2
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166MHz
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66MHz
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2.5x
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Closed
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3 & 4, 5 & 6, 7 & 8
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1 & 2
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180MHz
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60MHz
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3x
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Open
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1 & 2, 5 & 6, 7 & 8
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1 & 2
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200MHz
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66MHz
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3x
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Closed
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1 & 2, 5 & 6, 7 & 8
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1 & 2
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Note: Pins designated should be in the closed position.
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CPU VOLTAGE SELECTION
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Voltage
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J4
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J5
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None
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Open
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Open
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2.1v
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7 & 8
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7 & 8
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2.2v
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5 & 6
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5 & 6
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2.3v
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5 & 6, 7 & 8
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5 & 6, 7 & 8
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2.4v
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3 & 4
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3 & 4
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2.5v
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3 & 4, 7 & 8
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3 & 4, 7 & 8
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2.6v
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3 & 4, 5 & 6
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3 & 4, 5 & 6
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2.7v
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3 & 4, 5 & 6, 7 & 8
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3 & 4, 5 & 6, 7 & 8
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2.8v
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1 & 2
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1 & 2
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2.9v
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1 & 2, 7 & 8
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1 & 2, 7 & 8
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3.0v
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1 & 2, 5 & 6
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1 & 2, 5 & 6
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3.1v
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1 & 2, 5 & 6, 7 & 8
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1 & 2, 5 & 6, 7 & 8
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3.2v
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1 & 2, 3 & 4
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1 & 2, 3 & 4
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| »
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3.3v
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1 & 2, 3 & 4, 7 & 8
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1 & 2, 3 & 4, 7 & 8
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3.4v
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1 & 2, 3 & 4, 5 & 6
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1 & 2, 3 & 4, 5 & 6
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3.5v
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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1 & 2, 3 & 4, 5 & 6, 7 & 8
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Note: Pins designated should be in the closed position.
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3.3V POWER SELECTION
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Setting
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J1
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J6
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From voltage regulator
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Open
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1 & 2, 3 & 4, 5 & 6
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From power supply
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1 & 2, 3 & 4, 5 & 6
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Open
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Note: Pins designated should be in the closed position.
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