Heath, Zenith items for sale

Heath, Zenith items for sale: "Zenith Z-100 series computers, which were built and sold in the 1980's. The Z-110 model is generally called the low profile model, without an internal CRT monitor; the Z-120 or 'all-in-one' model had a monochrome CRT monitor (which many updated to color). Brief specifications of the Z-100 series is: a S-100 or IEEE-696 standard motherboard backplane but with on-board dual processor (8088 and 8085) and memory, and 'daughterboard' video (32K or 64K of RGB color or monochrome). S-100 cards from Heath included a floppy disk controller, additional memory, a hard drive controller, 4-port serial card. Many other S-100 companies offered add on cards. These systems were bought by the US military for training, and a number of universities bought them or required them for students. These are very reliable and rugged systems; many are still in use to this day (2003), and some still appear at military surplus auctions."