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ATX431
DATAEXPERT CORPORATION
ATX431
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Device Type
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Mainboard
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Processor
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CX 6X86/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX
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Processor Speed
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90/100/120/133/150/166/200/233MHz
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Chip Set
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Intel 430TX
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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 & SDRAM 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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AMI
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Dimensions
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305mm x 190mm
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I/O Options
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32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connectors (2), USB connectors (2), ATX power connector
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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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ATX power connector
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ATX
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IDE interface LED
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J3
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Serial port 1
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CN1
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Reset switch
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J4
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Parallel port
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CN2
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Turbo LED
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J5
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PS/2 mouse port
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CN3
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IR connector
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J8
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Serial port 2
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CN4
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CIR connector
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J9
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IDE interface 1
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CN5
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USB connector 1
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J10
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IDE interface 2
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CN6
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USB connector 2
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J11
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Floppy drive interface
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CN7
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32-bit PCI slots
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PC1 – PC4
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Power LED & keylock
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J1
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Soft off power supply
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SW1
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Speaker
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J2
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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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Flash BIOS voltage select 5v
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JP3
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Pins 2 & 3 closed
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Flash BIOS voltage select 12v
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JP3
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Pins 1 & 2 closed
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»
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CMOS memory normal operation
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JP6
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Closed
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CMOS memory clear
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JP6
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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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SIMM CONFIGURATION (CON’T)
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Size
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Bank 0
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Bank 1
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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.
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DIMM CONFIGURATION
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Size
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Bank 2
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Bank 3
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8MB
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(1) 1M x 64
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None
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16MB
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(1) 2M x 64
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None
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16MB
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(1) 1M x 64
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(1) 1M x 64
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24MB
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(1) 2M x 64
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(1) 1M x 64
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32MB
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(1) 4M x 64
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None
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32MB
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(1) 2M x 64
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(1) 2M x 64
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40MB
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(1) 4M x 64
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(1) 1M x 64
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48MB
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(1) 4M x 64
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(1) 2M x 64
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64MB
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(1) 8M x 64
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None
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64MB
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(1) 4M x 64
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(1) 4M x 64
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72MB
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(1) 8M x 64
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(1) 1M x 64
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80MB
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(1) 8M x 64
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(1) 2M x 64
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96MB
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(1) 8M x 64
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(1) 4M x 64
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128MB
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(1) 16M x 64
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None
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128MB
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(1) 8M x 64
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(1) 8M x 64
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136MB
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(1) 16M x 64
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(1) 1M x 64
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144MB
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(1) 16M x 64
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(1) 2M x 64
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160MB
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(1) 16M x 64
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(1) 4M x 64
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192MB
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(1) 16M x 64
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(1) 8M x 64
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256MB
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(1) 16M x 64
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(1) 16M x 64
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Note: Board accepts SDRAM memory.
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CACHE CONFIGURATION
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Size
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Bank 0
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512KB
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(2) 64K x 32
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