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DC-820

TEKRAM TECHNOLOGY CO., LTD.

DC-820

Data bus:

32-bit, EISA

Size:

Full-length, full-height card

Hard drive supported:

Up to seven SCSI devices

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

CONNECTIONS

Function

Location

50-pin SCSI connector - external

CN1

50-pin SCSI connector - internal

CN2

34-pin control cable connector - floppy drive

CN3

4-pin connector - drive active LED

JP1

4-pin connector - cache error speaker

JP2

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Floppy drive enabled

JP3

closed

 

Floppy drive disabled

JP3

open

DRIVE ACTIVE LED ERROR CODES (IMMEDIATELY AFTER POWER-UP)

Status

Function

One short flash

DC-820 CPU error

Two short flashes

SCSI chip error

Three short flashes

BMIC (EISA bus) chip error

Four short flashes

SRAM error

Five short flashes

EPROM checksum error

MISCELLANEOUS TECHNICAL NOTES

All four sockets of Bank 0 must be filled with SIMMs of the same size - 256KB, 1MB, or 4MB.