Sinclair ZX81 Teardown

Cracking open the Sinclair ZX81

In 1981, Sinclair Research released the ZX81 as a follow-up to their earlier ZX80. The ZX81 was manufactured by the Timex Corporation and sold as a kit (£49.95) or fully assembled (£69.95). In 1982, Timex started selling the ZX81 in the US for $99.95 as the Timex Sinclair 1000.

Follow along as we take a peak at the hardware inside one of the first low-cost home computers.

Photo by: Bill Detwiler / TechRepublic
Caption by: Bill Detwiler

By Bill Detwiler

Bill Detwiler is Editor in Chief of TechRepublic and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the ...