Austin, Texas-based CompuAdd Computer Corp has two new 25MHz 80386SX notebook personal computers with built-in trackballs, 60Mb hard drives, 10 screens and prices from $1,600: the CompuAdd 325tx weighs 5 lbs and comes with 2Mb memory upgradeable to 8Mb, 3.5 floppy drive and 60Mb hard drive preloaded with MS-DOS 5.0, Windows 3.1 and CompuAdd’s utility software, at $1,600; the CompuAdd 325tfx adds an internal facsimile modem slot, two serial ports and one parallel port, an AC adaptor and case, and is $2,000.