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--- references:modding_limits [2025/02/04 18:46] – created michael
+++ references:modding_limits [2025/02/15 16:16] (current) – michael
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+==== Archives (BA2) ====
+There are two archive formats and each has it's own limit. \\
+//The total number of archives is not relevant to the limit.//
+  * **General:** 256 — Exceeding this results in a crash at the main menu.
+  * **Texture:** 255 — Exceeding this causes the game to load the wrong textures for objects.
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+There is currently no bug-free way to increase these limits. \\
+Mods that attempt to increase the limit should have those options disabled.
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+==== Modules (ESM/ESL/ESP) ====
+There are two types of modules (also known as plugins): **Full** and **Light**. \\
+Any module with the ''.esl'' file name extension or the ''ESL'' flag set in its file header is a Light Module. \\
+//This can include ''.esm'' and ''.esp'' files.// \\
+All other modules (i.e. ''.esm'' and ''.esp'' //without// the ''ESL'' flag) are Full Modules.
+  * **Full:** 254
+  * **Light:** 4096
+==== Form ID Range ====
+Fallout 4 supports two Module HEDR versions: **0.95** & **1.00**. \\
+With v1.00 the maximum number of **new records** was increased by allowing use of Form IDs in the extended range, doubling the capacity for new records in ''ESL''-flagged files. \\
+In v0.95, Form IDs in the extended range were treated as overrides of hard-coded records in ''Fallout4.exe''. \\
+//Overrides of records from other modules do not contribute to this limit.//
+  * **Extended Range:** 001-7FF (2047 IDs; 000 is the TES4 Header Record)
+  * **Light Module v0.95:** 800-FFF — 2048 New Records
+  * **Light Module v1.00:** 001-FFF — 4095 New Records
+  * **Full Module v0.95:** 800-FFF — 16,775,168 New Records
+  * **Full Module v1.00:** 001-FFF — 16,777,215 New Records
+==== Reference Handles ====
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+**This section under construction.**
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+==== Open File Handles ====
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+**This section under construction.**
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