Compaq Computer Corp yesterday duly weighed in with its initial EISA bus and 80486-based machines, launching the Deskpro 486-25 at $14,000 to $20,500, and the Compaq Systempro PC System, an 80386-based server aimed at multi-user and networking applications. Both use the EISA bus and the Systempro goes from $16,000 to $26,000. The company also unveiled Compaq Lan Manager 386-486, based on Microsoft Corp’s LAN Manager and claimed to be the first 80386-based LAN Manager designed to take advantage of both 80386 and 80486 microprocessor technology; it costs from $2,500.