XDS Sigma 3 Computer - Reference Manual
The Xerox Data Systems Sigma 3 was a mainframe computer in the company's Sigma range. Earlier systems had the name 'SDS Sigma...', as the company was known as Scieitific Data Systems before a buyout by Xerox in 1969.
Confusingly, the numbers of the Sigma systems are not in order. The 16 bit machines were the following:
The 32-bit machines were the following:
This manual is for the Sigma 3. It covers the basics of the machine and more complicated instructions and commands.
This exhibit has a reference ID of CH41580. Please quote this reference ID in any communication with the Centre for Computing History.