Compaq says its shareholders have endorsed the company's plan to merge with Hewlett-Packard by a nine-to-one margin.
The endorsement had been widely anticipated by Wall Street.
Compaq's chairman and chief executive Mr Michael Capellas welcomed the outcome.
He said: "While official certification of the results of HP's shareholder vote is still in process, we stand ready to deliver the superior value that our customers, employees and shareholders expect".
Hewlett-Packard shareholders voted on the deal a day earlier than their Compaq counterparts, but the official result of HP's closely contested ballot will not be known for a few weeks.
HP chief executive officer Ms Carly Fiorina said early results showed shareholders had backed the deal by a "slim but sufficient" margin.
But HP board member MR Walter Hewlett, the chief campaigner against the merger, claimed the result of the ballot was too close to call.
PA