diff --git a/wiki/faq.md b/wiki/faq.md
index bd5c0b6f..0c880f99 100644
--- a/wiki/faq.md
+++ b/wiki/faq.md
@@ -40,10 +40,10 @@ the ZIPs inside zipped, like `neogeo.zip`.
 
 Usually. The command installs each setup's own version, like its `neogeo.zip`.
 
-## My arcade game does not start
+## My arcade game fails (which MAME version?) { #my-arcade-game-does-not-start }
 
 The game set must match the emulator's version, and `neogeo.zip` stays zipped.
-Reference: [Which version each emulator reads](technical-faq.md#which-mame-version-do-the-arcade-bios-sets-match).
+Which version each emulator reads: [the list](technical-faq.md#which-mame-version-do-the-arcade-bios-sets-match).
 
 ## Keys, firmware or BIOS?
 
@@ -80,8 +80,8 @@ setup's files and checks each one. `--dry-run` shows the list first.
 
 ## Fill an SD card from a computer?
 
-Yes. Name your setup and the card's BIOS folder. For RetroArch on a Switch
-card in drive `E:`:
+Yes. Name your setup and the card's BIOS folder. For RetroArch on a Switch,
+with the card in drive `E:`, run:
 
 <!-- os-tabs windows: --platform retroarch --dest E:\retroarch\cores\system -->
 ```sh
@@ -98,7 +98,7 @@ Fill its folder from a computer, as above, or unzip your ZIP and check it with
 
 - Name your emulator's BIOS folder with `--dest`.
 - ES-DE, LaunchBox: the command fills the folders of the emulators they start.
-- iPhone, iPad: no terminal. Use the ZIP.
+- iPhone, iPad (iOS): no terminal. Use the ZIP.
 
 ## Why is a file missing from the ZIP?
 
@@ -108,6 +108,12 @@ Some come with the emulator, so the ZIP skips them.
 
 Often a missing BIOS: [When a game does not start](troubleshooting.md).
 
+## Can I copy my own console's BIOS? { #copy-your-own-bios }
+
+Yes. The emulators explain how: [PCSX2](https://pcsx2.net/docs/setup/bios/)
+for PlayStation 2, [melonDS](https://melonds.kuribo64.net/faq.php) for DS and
+DSi.
+
 ## Is this legal?
 
 Laws differ by country. [Is it legal?](legal.md)
diff --git a/wiki/glossary.md b/wiki/glossary.md
index 6acb9644..504b6489 100644
--- a/wiki/glossary.md
+++ b/wiki/glossary.md
@@ -22,8 +22,8 @@ order: 60
 :   The folder where your setup looks for BIOS files.
 
 **Pack**
-:   The ZIP file with every BIOS file for one setup. Made for the setups most
-    people download.
+:   The ZIP, sometimes in parts, with one setup's BIOS files. Made for the
+    setups most people download.
 
 **Platform**
 :   A setup, as the project's data calls it.
diff --git a/wiki/technical-faq.md b/wiki/technical-faq.md
index 6a6b7002..c03bd939 100644
--- a/wiki/technical-faq.md
+++ b/wiki/technical-faq.md
@@ -1,6 +1,7 @@
 ---
 level: reference
 order: 120
+terms: mame version, romset version, which mame
 ---
 
 # Technical questions
@@ -120,6 +121,29 @@ per catalog and the full list of catalogued dumps still missing.
 
 ## Which MAME version do the arcade BIOS sets match?
 
+Your game sets and BIOS sets must come from the same version as your arcade
+emulator.
+
+| Emulator, as RetroArch names it | Sets from |
+|---|---|
+| MAME 2000 | MAME 0.37b5 |
+| MAME 2003, MAME 2003 Midway | MAME 0.78 |
+| MAME 2003-Plus | MAME 0.78, with later fixes |
+| MAME 2009 | MAME 0.135u4 |
+| MAME 2010 | MAME 0.139 |
+| MAME 2014, MAME 2015 | MAME 0.160 |
+| MAME 2016 | MAME 0.174 |
+| MAME/MESS | MAME 0.287 |
+| MAME, MAME/Arcade | MAME 0.289 |
+| FB Alpha 2012 CPS-1, FB Alpha 2012 CPS-2 | FB Alpha 0.2.97.28 |
+| FB Alpha 2012, FB Alpha 2012 CPS-3, FB Alpha 2012 Neo Geo | FB Alpha 0.2.97.29 |
+| FB Alpha 2019 | FB Alpha 0.2.97.44 |
+| FinalBurn Neo, FinalBurn Neo (Neo-Geo), FinalBurn Neo (CPS-1 / CPS-2) | FinalBurn Neo 1.0.0.2 |
+
+Each emulator's page names its version too.
+
+### How this is known
+
 Arcade BIOS sets are coupled to the romset version, so there is one
 profile per MAME core generation: MAME 2000 (0.37b5), MAME 2003 (0.78),
 MAME 2003-Plus, MAME 2009 (0.135u4), MAME 2010 (0.139), MAME 2015