The Mill

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This expansion card for the Apple II was developed by Stellation Two. It contains a 6809 microprocessor which can execute code concurrently with the Apple II's 6502 processor. The card is supplied with the OS9 operating system, the BASIC09 language, and full documentation.

Date : 1980

Manufacturer : Stellation Two

Format : Expansion Board

Physical Description : Contents information sheet Expansion board OS9 daughterboard Installation and Operation Guide Warranty information and registration (x2 A4 sheets) BASIC09 Programming Language Reference Manual OS-9 Operating System User^s Manual

This exhibit has a reference ID of CH41138. Please quote this reference ID in any communication with the Centre for Computing History.