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SQ598
BCM ADVANCED RESEARCH, INC.
SQ598
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Processor
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Pentium
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Processor Speed
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75/90/100/120/133/150/166MHz
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Chip Set
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Intel
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Video Chip Set
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None
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Maximum Onboard Memory
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128MB (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
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BIOS
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Phoenix
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Dimensions
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304mm x 178mm
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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 port, serial ports (2), IR 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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Serial port 1
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CN1
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Reset switch
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J1 pins 4 & 5
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Parallel port
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CN2
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Power LED & keylock
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J1 pins 6 - 10
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PS/2 mouse port
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CN3
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IDE interface LED
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J1 pins 11 - 14
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Serial port 2
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CN4
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Green PC connector
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J1 pins 15 - 19
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Floppy drive interface
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CN5
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IR connector
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J1 pins 20 - 25
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IDE interface 1
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CN6
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Speaker
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J1 pins 26 - 29
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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 - PC4
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Chassis fan power
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J1 pins 1 - 3
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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 normal operation
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J1F1
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Pins 1 & 2 closed
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Flash BIOS recovery mode
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J1F1
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Pins 2 & 3 closed
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»
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Flash BIOS write protect enabled
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J1F1
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Pins 4 & 5 closed
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Flash BIOS write protect disabled
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J1F1
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Pins 5 & 6 closed
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»
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Password normal operation
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J7K1A
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Pins 1 & 2 closed
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Password clear
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J7K1A
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Pins 2 & 3 closed
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»
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CMOS memory normal operation
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J7K1A
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Pins 4 & 5 closed
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CMOS memory clear
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J7K1A
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Pins 5 & 6 closed
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»
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Setup access enabled
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J7K1B
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Pins 1 & 2 closed
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Setup access disabled
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J7K1B
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Pins 2 & 3 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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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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Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. The location of banks 0 & 1 are unidentified.
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CACHE CONFIGURATION
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Size
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Bank 0
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256KB
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(2) 32K x 32
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512KB
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(2) 64K x 32
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Note: Board comes from the factory with 256KB or 512KB cache installed.
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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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J7K1C
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J7K1D
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75MHz
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50MHz
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1.5x
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2 & 3, 5 & 6
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1 & 2, 4 & 5
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90MHz
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60MHz
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1.5x
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2 & 3, 4 & 5
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1 & 2, 4 & 5
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100MHz
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66MHz
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1.5x
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1 & 2, 5 & 6
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1 & 2, 4 & 5
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120MHz
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60MHz
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2x
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2 & 3, 4 & 5
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2 & 3, 4 & 5
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133MHz
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66MHz
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2x
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1 & 2, 5 & 6
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2 & 3, 4 & 5
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150MHz
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60MHz
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2.5x
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2 & 3, 4 & 5
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2 & 3, 5 & 6
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166MHz
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66MHz
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2.5x
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1 & 2, 5 & 6
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2 & 3, 5 & 6
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Note: Pins designated should be in the closed position.
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CPU TYPE SELECTION
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Type
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J7K1B
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OVD
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Pins 5 & 6 closed
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VRE
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Pins 4 & 5 closed
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