UPG4800 Stepper Upgrade Kit
The GCA 4800 was generally based around the later model LSI-11/23 DEC minicomputer but still using the 9280 interface chassis of the
3696. The Master Operating Programme (MOP) was typically Version 5.0x instead of the 4.0x of the 3696. The UPG4800
upgrade kit allows the user to remove and discard the RX50 floppy drives, the Winchester hard drive, the PDP-11/04 minicomputer and the VT100
console terminal. When controlling the stepper, the user interface will appear exactly as in the original
equipment, except that standard DOS files replace the disk drives and the PC keyboard and monitor replace the VT100.
Sample User Screens