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B910
MECER CORPORATION
B910
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Processor
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Pentium
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Processor Speed
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50/60/66MHz
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Chip Set
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FOREX
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Max. Onboard DRAM
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128MB
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Cache
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64/128/256/512/1024/2048KB
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BIOS
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AMI
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Dimensions
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330mm x 218mm
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I/O Options
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32-bit VESA local bus slots (3), green PC 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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External battery
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J2
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Turbo switch
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J5 pins 16 - 17
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Green PC connector (monitor)
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J3
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Reset switch
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J5 pins 19 - 20
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Power LED & keylock
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J5 pins 1 - 5
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Green PC connector
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JP2
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Speaker
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J5 pins 7 - 10
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Green PC connector
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JP4
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Turbo LED
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J5 pins 11 - 12
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32-bit VESA local bus slots
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SL1 - SL3
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USER CONFIGURABLE SETTINGS
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Function
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Jumper
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Position
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»
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CMOS memory normal operation
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JP1
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Open
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CMOS memory clear
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JP1
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Closed
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»
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Factory configured - do not alter
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JP3
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N/A
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Note: The location of JP3 is unidentified.
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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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2MB
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(1) 256K x 36
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(1) 256K x 36
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NONE
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NONE
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4MB
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(1) 256K x 36
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(1) 256K x 36
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(1) 256K x 36
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(1) 256K x 36
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4MB
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(1) 512K x 36
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(1) 512K x 36
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NONE
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NONE
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4MB
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(1) 1M x 36
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NONE
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NONE
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NONE
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6MB
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(1) 256K x 36
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(1) 256K x 36
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(1) 512K x 36
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(1) 512K x 36
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8MB
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(1) 512K x 36
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(1) 512K x 36
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(1) 512K x 36
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(1) 512K x 36
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8MB
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(1) 1M x 36
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(1) 1M x 36
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NONE
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NONE
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8MB
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(1) 2M x 36
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NONE
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NONE
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NONE
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10MB
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(1) 256K x 36
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(1) 256K x 36
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(1) 1M x 36
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(1) 1M x 36
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12MB
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(1) 512K x 36
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(1) 512K x 36
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(1) 1M x 36
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(1) 1M x 36
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12MB
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(1) 1M x 36
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(1) 2M x 36
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NONE
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NONE
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16MB
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(1) 1M x 36
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(1) 1M x 36
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(1) 1M x 36
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(1) 1M x 36
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16MB
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(1) 2M x 36
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(1) 2M x 36
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NONE
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NONE
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16MB
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(1) 4M x 36
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NONE
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NONE
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NONE
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18MB
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(1) 256K x 36
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(1) 256K x 36
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(1) 2M x 36
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(1) 2M x 36
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20MB
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(1) 512K x 36
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(1) 512K x 36
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(1) 2M x 36
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(1) 2M x 36
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20MB
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(1) 1M x 36
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(1) 4M x 36
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NONE
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NONE
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24MB
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(1) 1M x 36
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(1) 1M x 36
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(1) 2M x 36
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(1) 2M x 36
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24MB
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(1) 2M x 36
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(1) 4M x 36
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NONE
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NONE
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32MB
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(1) 2M x 36
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(1) 2M x 36
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(1) 2M x 36
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(1) 2M x 36
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32MB
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(1) 4M x 36
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(1) 4M x 36
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NONE
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NONE
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32MB
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(1) 8M x 36
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NONE
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NONE
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NONE
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34MB
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(1) 256K x 36
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(1) 256K x 36
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(1) 4M x 36
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(1) 4M x 36
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36MB
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(1) 512K x 36
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(1) 512K x 36
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(1) 4M x 36
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(1) 4M x 36
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36MB
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(1) 1M x 36
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(1) 8M x 36
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NONE
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NONE
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40MB
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(1) 1M x 36
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(1) 1M x 36
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(1) 4M x 36
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(1) 4M x 36
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40MB
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(1) 2M x 36
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(1) 8M x 36
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NONE
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NONE
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48MB
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(1) 2M x 36
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(1) 2M x 36
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(1) 4M x 36
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(1) 4M x 36
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48MB
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(1) 4M x 36
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(1) 8M x 36
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NONE
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NONE
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64MB
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(1) 4M x 36
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(1) 4M x 36
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(1) 4M x 36
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(1) 4M x 36
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64MB
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(1) 8M x 36
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(1) 8M x 36
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NONE
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NONE
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64MB
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(1) 16M x 36
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NONE
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NONE
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NONE
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66MB
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(1) 256K x 36
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(1) 256K x 36
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(1) 8M x 36
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(1) 8M x 36
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68MB
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(1) 512K x 36
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(1) 512K x 36
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(1) 8M x 36
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(1) 8M x 36
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68MB
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(1) 1M x 36
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(1) 16M x 36
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NONE
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NONE
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72MB
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(1) 1M x 36
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(1) 1M x 36
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(1) 8M x 36
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(1) 8M x 36
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72MB
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(1) 2M x 36
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(1) 16M 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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80MB
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(1) 2M x 36
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(1) 2M x 36
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(1) 8M x 36
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(1) 8M x 36
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80MB
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(1) 4M x 36
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(1) 16M x 36
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NONE
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NONE
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96MB
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(1) 4M x 36
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(1) 4M x 36
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(1) 8M x 36
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(1) 8M x 36
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96MB
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(1) 8M x 36
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(1) 16M x 36
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NONE
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NONE
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128MB
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(1) 8M x 36
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(1) 8M x 36
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(1) 8M x 36
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(1) 8M x 36
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128MB
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(1) 16M x 36
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(1) 16M x 36
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NONE
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NONE
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CACHE CONFIGURATION
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Size
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Bank 0
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Bank 1
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TAG
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64KB
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(8) 8K x 8
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NONE
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(1) 8K x 8
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128KB
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(8) 8K x 8
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(8) 8K x 8
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(1) 8K x 8
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256KB
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(8) 32K x 8
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NONE
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(1) 8K x 8
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512KB
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(8) 32K x 8
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(8) 32K x 8
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(1) 32K x 8
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512KB
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(8) 64K x 8
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NONE
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(1) 32K x 8
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1MB
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(8) 64K x 8
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(8) 64K x 8
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(1) 32K x 8
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1MB
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(8) 128K x 8
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NONE
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(1) 32K x 8
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2MB
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(8) 128K x 8
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(8) 128K x 8
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(1) 128K x 8
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CACHE JUMPER CONFIGURATION
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Size
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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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64KB
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Open
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Open
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1 & 2
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Open
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Open
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128KB
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Open
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Open
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2 & 3
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1 & 2
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Open
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256KB
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Open
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Open
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1 & 2
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1 & 2
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1 & 2
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512KB
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Open
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Open
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2 & 3
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2 & 3
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1 & 2
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512KB
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Open
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1 & 2
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1 & 2
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Open
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1 & 2
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1MB
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Open
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2 & 3
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2 & 3
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2 & 3
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1 & 2
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1MB
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1 & 2
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2 & 3
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1 & 2
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2 & 3
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1 & 2
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2MB
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2 & 3
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2 & 3
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2 & 3
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2 & 3
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1 & 2
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Note: Pins designated should be in the closed position.
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CPU SPEED CONFIGURATION
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Speed
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JP5
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JP6
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JP7
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50MHz
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pins 2 & 3 closed
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pins 1 & 2 closed
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pins 1 & 2 closed
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60MHz
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pins 1 & 2 closed
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pins 2 & 3 closed
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pins 1 & 2 closed
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66MHz
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pins 2 & 3 closed
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pins 1 & 2 closed
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pins 2 & 3 closed
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VESA WAIT STATE CONFIGURATION
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Wait states
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JP15
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0 wait states
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pins 1 & 2 closed
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1 wait state
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pins 2 & 3 closed
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BUS SPEED CONFIGURATION
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CPU speed
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JP16
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<= 33MHz
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pins 1 & 2 closed
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> 33MHz
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pins 2 & 3 closed
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VESA SYNC/ASNYC CONFIGURATION
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Type
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JP8
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JP9
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Synchronous (from chipset)
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Closed
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pins 1 & 2 closed
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Asynchronous( from OSC)
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Open
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pins 2 & 3 closed
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