=== Diagnostics ===
*[https://www.cpc-power.com/index.php?page=detail&num=5113 Amstest] [https://www.cpc-power.com/index.php?page=detail&num=17932 Amstrad Diagnostics] [https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/amstrad-diagnostics-rom/msg243665/] [https://www.cpc-power.com/index.php?page=detail&num=6545 STS SysInfo] [https://www.cpc-power.com/index.php?page=database&r1=1&lemot=test%20crtc%20v Test CRTC type] [http://quasar.cpcscene.net/doku.php?id=coding:test_crtc] [http://cpc.sylvestre.org/technique/technique_identifier_crtc.html Identifying CRTC visually] [https://www.cpc-power.com/index.php?page=detail&num=11446 Basic Program Status Window] [https://www.cpc-power.com/index.php?page=detail&num=12584 Version du Firmware Basic]
*[https://symbos.org SymbOS] [https://www.cpc-power.com/index.php?page=detail&num=6987 RAM Expansion Test] [https://www.cpc-power.com/index.php?page=detail&num=14833 MemTest] [https://www.cpc-power.com/index.php?page=detail&num=14834 RAM Test CRTC4] [https://www.cpcwiki.eu/forum/technical-support/test-ram-de-mcleod-ideafix/ Test RAM de McLeod Ideafix] [https://www.cpc-power.com/index.php?page=detail&num=15739 RAM Check] [https://www.cpc-power.com/index.php?page=detail&num=13386 Testprogram For All ERAM] [https://www.cpc-power.com/index.php?page=detail&num=16010 Test RAM Basic] [https://www.cpc-power.com/index.php?page=detail&num=19185 Xenon 2] [https://www.cpc-power.com/index.php?page=detail&num=12188 Take On Me] [https://www.cpc-power.com/index.php?page=detail&num=14339 Trololo Experiments] [https://www.cpc-power.com/index.php?page=detail&num=19406 Still The One] [https://www.cpc-power.com/index.php?page=detail&num=16084 Post Scriptum] [https://www.cpc-power.com/index.php?page=detail&num=18658 Onescreen Colonies #2 256K] [https://cpcrulez.fr/info-chany-enhanced_edition.htm Chany 512K cracks] [https://www.cpc-power.com/index.php?page=detail&num=14814 Anti-Multiface] [https://www.cpc-power.com/cpcarchives/index.php?page=articles&num=151 Expanded RAM software list] RAM exercisers
*[https://www.cpc-power.com/index.php?page=detail&num=15975 FutureOS] [https://www.cpc-power.com/index.php?page=detail&num=4174 CP/M Plus] [https://www.cpc-power.com/index.php?page=detail&num=10030 Phortem] [https://www.cpc-power.com/index.php?page=detail&num=7270 Pac-Man Emulator] [https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/464-and-ram-extension/ Behaviour of RAM mode &C3] [https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/upgrading-a-cpc-464-in-2022/ More on the issue] RAM expansion hardware bug on CPC464/664