This system .......
 
HARDWARE
              IBM-AT running at 10mhz with 4 megabytes of memory
              80287-8 math coprocessor
              Two hard disks  ( 120 & 30 megabytes )
              Two high density floppy disk drives
              Archive 60 megabyte tape drive
              EGA monitor and controller
              Four serial ports
              Three parallel ports
              US Robotics 2400 baud modem
              DC Hayes 1200 baud modem

    LAN to    IBM-AT running at 12mhz with 4 megabytes of memory
              80287-10 math coprocessor
              Two hard disks  ( 40 & 20 megabytes )
              One high density floppy disk drive
              One low density floppy disk drive
              Hercules monographics controller with monochrome monitor
              Two serial ports
              Three parallel ports
              DC Hayes 1200 baud modem


SOFTWARE
              10 mhz AT is running SCO Xenix 2.2.0
              12 mhz AT is running SCO Xenix 2.2.0