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DC-820
TEKRAM TECHNOLOGY CO., LTD.
DC-820
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Data bus:
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32-bit, EISA
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Size:
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Full-length, full-height card
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Hard drive supported:
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Up to seven SCSI devices
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Floppy drives supported:
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Two 360KB, 720KB, 1.2MB, or 1.44MB drives
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CONNECTIONS
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Function
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Location
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50-pin SCSI connector - external
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CN1
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50-pin SCSI connector - internal
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CN2
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34-pin control cable connector - floppy drive
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CN3
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4-pin connector - drive active LED
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JP1
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4-pin connector - cache error speaker
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JP2
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USER CONFIGURABLE SETTINGS
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Function
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Location
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Setting
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Floppy drive enabled
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JP3
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closed
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Floppy drive disabled
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JP3
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open
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DRIVE ACTIVE LED ERROR CODES (IMMEDIATELY AFTER POWER-UP)
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Status
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Function
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One short flash
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DC-820 CPU error
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Two short flashes
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SCSI chip error
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Three short flashes
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BMIC (EISA bus) chip error
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Four short flashes
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SRAM error
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Five short flashes
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EPROM checksum error
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MISCELLANEOUS TECHNICAL NOTES
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All four sockets of Bank 0 must be filled with SIMMs of the same size - 256KB, 1MB, or 4MB.
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