diff --git a/konami/boards.md b/konami/boards.md
index 8869557..90eb1c3 100644
--- a/konami/boards.md
+++ b/konami/boards.md
@@ -827,11 +827,14 @@ Unknown if it uses the original or revision motherboard.
 
 (Name for actual arcade hardware is tentative)
 
-`#WEB: https://x.com/IP_ax459057/status/1785896807337447521`
+`#WEB: https://x.com/IP_ax459057/status/1785896807337447521`  
+`#WEB: https://www.youtube.com/watch?v=8XvmWGa8sJA`  
 
 **MBD:** ASUS H310M-IM-A-KAM  
 **STH:** Intel H310  
 **CPU:** Intel Core i5-9500E  
-**RAM:** 16 GB DDR4-2666  
+**RAM:** 
+* 16 GB DDR4-2666 [XIF]  
+* 8 GB DDR4-2666 [TDJ]  
 **SSD:** InnoDisk 3TG6-P  
-**Games:** XIF  
\ No newline at end of file
+**Games:** XIF, TDJ  
\ No newline at end of file
diff --git a/konami/products.md b/konami/products.md
index 9114549..04caacb 100644
--- a/konami/products.md
+++ b/konami/products.md
@@ -2391,6 +2391,7 @@ unknown:
   - DanceDanceRevolution A20 (2019, PC(945/HM65/ADE))
   - DanceDanceRevolution A20 PLUS (2020, PC(945/HM65/ADE))
   - DanceDanceRevolution A3 (2022, PC(945/HM65/ADE/X10SLQ))
+  - DanceDanceRevolution WORLD (2024, PC(945/HM65/ADE/X10SLQ))
   - `GQMDX-JA`: white cab  `#DOC:konami:115324120000`
   - `GQMDX-JG`: 20th anniversary model [ADE-6291 PCB]  `#DOC:konami:117039820000`
   - `GQMDX-JH`: 20th anniversary model [X10SLQ PCB]
@@ -2637,13 +2638,15 @@ unknown:
   - beatmania IIDX 28 BISTROVER (2020, PC(C300)IO(BIO2-BI2X))
   - beatmania IIDX 29 CastHour (2021, PC(C300)IO(BIO2-BI2X))
   - beatmania IIDX 30 RESIDENT (2022, PC(C300)IO(BIO2-BI2X))
+  - beatmania IIDX 31 EPOLIS (2023, PC(C300/H310)IO(BIO2-BI2X))
   - [`GQTDJ-JA`: Dedicated cabinet](product/GQTDJ-JA.md)
   - `GQTDJ-UA`
   - `GQTDJ-AA`  `#WEB:https://twitter.com/uhaj/status/1543071166369112064`
   - `GUTDJ-JV`: beatmania IIDX 29 CastHour LIGHTNING MODEL用装飾キット (マイクロスイッチ同梱) [CastHour art kit with microswitches]
-  - `TDJ JA A01`: ROM 2019-11-18 0 `#WEB: https://www.youtube.com/watch?v=pGl0d3rq8Xg`
-  - `TDJ JA B01`: ROM 2021-04-13 0
-  - `TDJ JA Y01`: ROM 2023-05-26 0
+  - `TDJ JA A01`: ROM [C300] 2019-11-18 0 `#WEB: https://www.youtube.com/watch?v=pGl0d3rq8Xg`
+  - `TDJ JA B01`: ROM [C300] 2021-04-13 0
+  - `TDJ JA Y01`: ROM [C300] 2023-05-26 0
+  - `TDJ JB A01`: ROM [H310] 2024-01-16 0 `#WEB: https://www.youtube.com/watch?v=8XvmWGa8sJA`
 * `TMA`: Quiz Magic Academy HG MODEL
   - Quiz Magic Academy 輝望の刻 (2020, PC)
   - Quiz Magic Academy 夢幻の鏡界 (2021, PC)  `#WEB:https://twitter.com/SILKHAT_Yokochu/status/1386522899226320903`