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MERCURY
PROGRESSIVE PERIPHERALS, INC.
MERCURY
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Card Type
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Processor upgrade
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Processor
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Motorola 68040
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Processor Speed
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28/35MHz
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Chipset
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Unidentified
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Maximum Onboard Memory
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32MB DRAM
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Cache
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Unidentified
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BIOS
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Unidentified
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Dimensions
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336 x 109mm
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NPU Options
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None
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Data Bus
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Zorro III CPU slot
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M3730
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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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68040 processor enabled
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C1
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Open
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68040 processor disabled - fall back to mainboard processor
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C1
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Closed
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»
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Cache enabled
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C2
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Closed
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Cache disabled
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C2
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Open
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»
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Factory configured - do not alter
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D1
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Open
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»
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ROM shadowing enabled
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D2
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Open
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ROM shadowing disabled
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D2
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Closed
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»
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Factory configured - do not alter
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E
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Pins 1 & 2 closed
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PROCESSOR AND DRAM SPEED
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Processor Speed
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DRAM Speed
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A1
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A2
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28MHz
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80nS
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Open
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Closed
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35MHz
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80nS
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Closed
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Open
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35MHz
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60nS
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Open
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Closed
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DRAM CONFIGURATION
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The possible amounts of DRAM on this board are 0MB, 4MB, 8MB, 16MB, 20MB, and 32MB. The configurations of these amounts is unidentified.
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DRAM JUMPER CONFIGURATION
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Setting
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B1
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B2
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B3
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B4
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0MB
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Open
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Closed
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Closed
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Closed
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4MB
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Open
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Closed
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Open
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Closed
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8MB
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Open
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Closed
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Open
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Open
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16MB
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Open
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Open
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Closed
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Open
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20MB
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Open
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Open
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Closed
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Closed
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32MB
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Open
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Open
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Open
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Open
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ON-BOARD CACHE BURST MODE CONFIGURATION
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Setting
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C3
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C4
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Disabled
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Closed
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Open
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Enabled
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Open
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Closed
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MISCELLANEOUS TECHNICAL NOTE
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Diagram not available.
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