Mail order computer retailer and manufacturer Chipboards Plc has called in the receivers, Robson Rhodes, which are now trying to sell the combined or separate businesses and assets of the group as a going concern: the company comprises a Chipboards division, which sells clone personal computers, upgrades and peripherals by mail order and has a turnover of UKP8m; and a Chipset division, which manufactures high-end clone personal computers such as file servers, Unix machines and workstations for computer-aided design and generates UKP3m in revenues; Chipboards was set up in 1987, is based in Bisley, near Woking, Surrey, and claims to have a customer base of 20,000.