	control data cda to buy peripherals stake control data corp said it agreed to uire unisys inc s uis pct stake in magnetic peripherals inc the letter of intent provides that unisys converts from an owner in magnetic peripherals to a customer of control data s data storage products group over a two year period under the agreement control data will continue to furnish disk drives to unisys it said no other details of the proposed agreement were available magnetic controls managed by the data storage products group of control data was founded in as a joint venture to maintain a technological base in data storage and supply peripheral equipment for the computer systems of its owners the venture has become a developer and manufacturer of high performance high capacity data storage products sold by control data to computer systems manafacturers worldwide it said after conversion of the unisys interest control data will own pct honeywell inc hon pct and bull s a of france six pct it said reuter 
