IBM_VGA_90X8941_on_PS55.jpg


Summary

Description
English: VGA section on the System Board in IBM PS/55 model 5550-T released in 1988. You can see IBM's custom VLSI chip marked as VGA, 256 KB video RAM, the INMOS G171 RAMDAC , 25.175 and 28.322 kHz oscillators.
Date
Source Own work
Author Darklanlan
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VGA chip

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19 June 2016