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DTC5287

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