Hewlett-Packard Co has three further models in its Vectra personal computers family – two 80386-based desk-side boxes and a 12MHz 80C286-based laptop that the San Francisco Examiner believes is the Zenith Data Systems SupersPort 286 bought OEM. The RS/20C uses a 20MHz, the RS/25C a 25MHz 80386 with 82385 controlling 32Kb cache systems that make them up to 40% faster than the RS/16 and RS/20 they replace. The RS/20C is $7,600 to $10,145 and the RS/25C $10,300 to $15,700 according to configuration and are aimed at the computer-aided design and manufacturing, and multi-user systems markets, and take up to 16Mb on the motherboard, leaving eight slots. The 14.5 lbs battery-powered Vectra LS/12 laptop is from $4,880 and has 10 back-lit supertwist 640 by 400 liquid crystal display. The V30based Vectra CS lap-top is availa.lh 6 ble at cut price while stocks last.