TEKRAM TECHNOLOGY CO., LTD.

DC-680C

Data bus:

32-bit, VL-bus

Size:

Three/quarter-length, half-height card

Hard drive supported:

Four IDE (AT) Interface drives

Floppy drives supported:

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

CONNECTIONS

Function

Location

40-pin IDE (AT) Interface connector - IDE-0

CN1

40-pin IDE (AT) Interface connector - IDE-1

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

»

IDE-0 damping resistor enabled

JDR0

open

 

IDE-0 damping resistor disabled

JDR0

closed

»

IDE-1 damping resistor enabled

JDR1

open

 

IDE-1 damping resistor disabled

JDR1

closed

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

Status

Function

One short flash

No cache DRAM installed

Two short flashes

CPU error

Three short flashes

SRAM error

Four short flashes

Timer error

MISCELLANEOUS TECHNICAL NOTES

Some versions of this board have two 512KB x 8 DRAM chips mounted in place of Bank 0. In such a case the board will work without additional memory. In all other cases a pair of 256KB, 1MB, or 4MB SIMM modules must be installed in Bank 0 for the board to function.