Northampton-based portable computer peripherals supplier Ranger Computers Ltd has introduced a new version of its RangerDisk3 personal computer compatible floppy disk drive for use with Psion Plc Series 3 handheld computers: it is intended as more convenient means of backing up or transferring Series 3 files than Psion’s Comms Link; RangerDisk3 has its own version of MS-DOS and connects to the Series 3 via a Psion serial adaptor; it can be used with the 128Kb and 256Kb models; the operating software is built in so avoiding the need for program installation on the Series 3; file transfer is by the XModem protocol; it is UKP200 from Ranger.
