Atari 65XE 320k RAM Upgrade

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Germany Jan Beta
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Published on ● Video Link: https://www.youtube.com/watch?v=GtpmzixF97c


Duration: 49:08
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I’m trying to upgrade my Atari 65XE to 320k RAM (and also replace the electrolytic capacitors in the process).

Forum post with instructions and files for the 320k mod:
https://www.exxoshost.co.uk/forum/viewtopic.php?t=160#p707

The Retro Channel 320k Upgrade video:
https://youtu.be/Ah4gezAUWwU

The Byte Attic website:
https://www.thebyteattic.com

Lotharek Ultimate 1MB RAM upgrade:
https://lotharek.pl/productdetail.php?id=56

Draco SysInfo:
http://drac030.krap.pl/en-si-pliki.php

Extended RAM test:
https://atari.fox-1.nl/atari-400-800-xl-xe/400-800-xl-xe-tools/extended-ram-test-0-21-0/

TL866 EPROM programmer*:
US: https://amzn.to/3tyvK3b
UK: https://amzn.to/3IXETsE
DE: https://amzn.to/3twUU22

Capacitor list:
1x 470uF 16v
4x 22uF 16v axial
3x 4.7uF 35v non-polarized
2x 10uF 16v
1x 10uF 16v axial
1x 22uF 16v

TIME STAMPS:
0:00 Introduction
0:55 Opening the Case
1:46 Replacing Electrolytic Capacitors
7:09 RAM Upgrade Overview
13:06 Freeing Pads, Placing Sockets
20:29 Programming the GAL
22:42 Wiring Things up
33:36 Initial Test Run
36:52 Adding a Switch
41:04 More Testing
44:22 Failed RAM Theory
47:56 Thank you & Good night

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#JanBeta #Atari65XE #Atari8bit



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