DATA TECHNOLOGY CORPORATION

DTC5287

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Two RLL ST506 drives

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

Sector interleave: 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

DB-37 control cable connector-external floppy drive

J6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

BIOS address is C800h

W2

open

 

BIOS address is D800h

W2

closed

»

BIOS enabled

W3

closed

 

BIOS disabled

W3

open

»

Factory configured - do not alter

W5

closed

»

Factory configured - do not alter

W6

pins 2 & 3 closed

»

BIOS ROM chip is 2764

W7

open

 

BIOS ROM chip is 27128

W7

closed

HARD DRIVE PORT ADDRESS

Address

W1

W4

»

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

open

open

 

Port addresses are 170-177 372-377h

closed

closed

MISCELLANEOUS TECHNICAL NOTES

This controller has a built-in low-level format program. To enter the program run the DEBUG utility supplied with DOS and at the prompt enter G=C800:5.x