English: Processor Technology made one of the first video display boards for the Altair Computer, the VDM-1. This board was very popular and became the video section of the SOL-20 computer.
Date
Source
Scanned from pages 20 and 21 of the January 1976 issue of Byte magazine by Michael Holley Swtpc6800
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== {{int:filedesc}} == {{Information |Description={{en|1=Processor Technology made one of the first video display boards for the Altair Computer, the VDM-1. This board was very popular and became the video section of the SOL-20 computer.}} |Source=Scanned