DATA TECHNOLOGY CORPORATION

DTC5280CA-I, DTC5280CZ-I

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Two MFM ST506/412 drives

Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

Sector interleave: DTC5280CA-I: 2:1

DTC5280CZ-I: 2:1

CONNECTIONS

Function

Location

34-pin data cable connector-floppy drive

J1

34-pin control cable connector-hard drive

J2

20-pin data cable connector-drive 0

J3

20-pin data cable connector-drive 1

J4

4-pin connector-drive active LED

J5

37-pin floppy drive interface connector-floppy drive (5280CZ-I only)

J6

HARD DRIVE PORT ADDRESS

Address

W2

W3

»

Port addresses are 1F0-1F7 3F2-3F7h

open

open

 

Port addresses are 170-177 372-377h

closed

closed

MISCELLANEOUS TECHNICAL NOTES

Jumper W5 and W6 are Factory configured - do not alter.

This controller has no onboard user accessible programs.