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MB-8575/90/00URC
BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-8575/90/00URC
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Processor
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Pentium
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Processor Speed
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75/90/100/120/133MHz
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Chip Set
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Unidentified
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Max. Onboard DRAM
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128MB
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Cache
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256/512/1024KB
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BIOS
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Award
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Dimensions
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254mm x 218mm
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I/O Options
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Green PC connector, IDE interfaces (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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IDE interface 2
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CN2
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Turbo switch
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JP15 pins 14 - 16
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IDE interface 1
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CN1
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+5v ground
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JP15 pins 17 - 18
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Speaker
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JP15 pins 1 - 4
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Green PC connector
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JP16
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Power LED & keylock
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JP15 pins 5 - 9
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IDE interface LED
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JP18
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Turbo LED
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JP15 pins 10 - 11
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Chassis fan power
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JP19
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Reset switch
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JP15 pins 12 - 13
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32-bit PCI slots
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PC1 - PC3
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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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JP3
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Open
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CMOS memory clear
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JP3
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Closed
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»
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BIOS type select 5v flash BIOS
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JP17
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pins 1 & 2 closed
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BIOS type select 12v flash BIOS
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JP17
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pins 2 & 3 closed
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BIOS type select EPROM
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JP17
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Open
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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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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) 1M x 36
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(2) 2M 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) 1M x 36
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(2) 4M x 36
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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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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) 1M x 36
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(2) 8M x 36
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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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96MB
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(2) 4M x 36
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(2) 8M 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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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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256KB
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(4) 32K x 8
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(4) 32K x 8
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(1) 8K x 8
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512KB
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(4) 64K x 8
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(4) 64K x 8
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(1) 32K x 8
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1MB
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(4) 128K x 8
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(4) 128K x 8
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(1) 32K x 8
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CACHE JUMPER CONFIGURATION
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Size
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JP11
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JP12
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256KB
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Open
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Open
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512KB
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Closed
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Open
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1MB
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Closed
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Closed
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CPU SPEED CONFIGURATION
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Speed
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JP9
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JP13
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JP14
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75MHz
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pins 1 & 2 closed
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Open
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Open
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90MHz
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pins 3 & 4 closed
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Open
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Open
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100MHz
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pins 1 & 2, 5 & 6 closed
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Open
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Open
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120MHz
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pins 3 & 4 closed
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Open
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Closed
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133MHz
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pins 1 & 2, 3 & 4 ,5 & 6 closed
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Open
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Closed
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Note: JP13 is located on revision 2 and above.
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CPU VOLTAGE CONFIGURATION
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Voltage
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JP20
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3.5v
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pins 1 & 2 closed
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3.45v
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pins 2 & 3 closed
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