Exhibit 4(a) VOID AFTER 5:00 P.M., COLUMBUS, OHIO TIME, ON APRIL 23, 2001 Pinnacle Data Systems, Inc. WARRANT TO PURCHASE COMMON SHARES --------------------------------- Pinnacle Data Systems, Inc., an Ohio corporation (the "Company"), hereby...Warrant to Purchase Common Shares • September 21st, 2000 • Pinnacle Data Systems Inc • Services-computer programming services
