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V6366 Hercules/MDA/CGA/EGA video chip

Potentially interesting to hobbyists?

keithKeith
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  • Application manual
  • Advanced Programmers Guide to SuperVGA
  • Software and source code for the book
  • Stock of QFP100 chips
  • Data sheet
researching project

This project was created on 04/22/2024 and last updated 3 months ago.

Description

Just looking for now. The chip is as cheap or cheaper than a 6845, and includes a lot more circuitry.

Project Logs
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  • Discussion about the Schneider Target PC 7640

    Keith • 08/15/2025 at 01:45 • 0 comments

    This machine drives a plasma display panel.

    This discussion:

    https://retrocomputing.stackexchange.com/questions/13564/how-do-i-configure-a-v6366-graphics-controller-for-640x400-b-w

    contains links to 

    • Circuit diagrams for the machine
    • PC 7640 BIOS ROM dump
    • System diskette with utilities.

    Having a known-good example circuit is usually better than an example from a data sheet.

    There is no image of the font ROM yet.

    https://archive.org/details/schneider-pc-7640 contains the Software Package and Service Manual.

    https://archive.org/details/manual_PC7640_SM_SCHNEIDER_EN_DE/mode/2up is a better version the service manual. The scans are mostly lossless png, and the circuit diagrams are single pages not split into two.

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