diff --git a/konami/boards.md b/konami/boards.md
index 32b0e72..c539f91 100644
--- a/konami/boards.md
+++ b/konami/boards.md
@@ -222,6 +222,7 @@ Uses Intel Extreme integrated graphics instead of a GeForce GPU.
 **GPU:** Intel Extreme Graphics  
 **SND:** Realtek AC'97  
 **Games:** C33, D33  
+**OS:** Windows XP Embedded (SP1)  
 
 ## `EPIA`
 
@@ -234,6 +235,7 @@ Uses Intel Extreme integrated graphics instead of a GeForce GPU.
 **CPU:** VIA Eden 533MHz  
 **GPU:** Trident CyberBlade 3D  
 **Games:** CCB, EGG  
+**OS:** Windows XP Embedded (SP1) [CCB]  
 
 ### EPIA M10000
 
@@ -241,6 +243,7 @@ Uses Intel Extreme integrated graphics instead of a GeForce GPU.
 ***CPU:** VIA C3 (1 GHz)  
 ***GPU:** S3 CastleRock  
 **Games:** E99  
+**OS:** Windows XP Embedded (SP1) [E99]  
 
 ## SORD FAB series
 
@@ -251,10 +254,14 @@ Uses Intel Extreme integrated graphics instead of a GeForce GPU.
 **MBD:** DFI G4S306-C  
 **STH:** Intel 865G  
 **BIOS:** Phoenix-Award  
+**OS:** Windows XP Embedded (SP1) [D22] [G27] / Windows XP Embedded (SP2) [IG2] [HCK] [GGG] [FA5]
 
 #### FAB-e865-KN001
 
-**Games:** D22
+**CPU:** Intel Celeron 2.0GHz `#GAME:konami-WINDOWS\SYSTEM32\config\SYSTEM`  
+**GPU:** ATI Radeon 9600XT 128M `#GAME:konami-WINDOWS\SYSTEM32\config\SYSTEM`  
+**CD:** TEAC CD-224E `#GAME:konami-WINDOWS\SYSTEM32\config\SYSTEM`  
+**Games:** D22  
 
 #### FAB-e865-KN002
 
@@ -700,40 +707,33 @@ Also known as: "ADE".
 (Name for its home variation. Name for actual arcade hardware is tentative)
 
 First debuted in beatmania IIDX Lightning Model, released with Heroic Verse.
-Also used for SOUND VOLTEX Valkyrie Model cabs.
-
-**MBD:** Supermicro SuperO MBD-C7B360-CB-MW-O custom variant (microATX)  
-**STH:** Intel B360  
-**CPU:** Intel Core i5-9400F (2.9GHz) [TDJ] 
-**RAM:** 1x Innodisk M4US-8GSSKCRG-S (8GB DDR4 2133 DIMM) [TDJ]  
-**GPU:** GIGABYTE GeForce GTX 1650 MINI ITX OC 4G (GV-N1650IXOC-4GD) (4 GB, GDDR5) [TDJ]  
-**SSD:** Innodisk 3ME3 DES25-B56D08BC1QC (SATA 2.5", 256GB) [TDJ]  
-**SND:** ASUS Xonar AE  
-**IO:** [BIO2(BI2X)](io.md#bio2)  
-**Games:** TDJ, UFC  
-**OS:** Windows 10 IoT Enterprise LTSC 2019  
-**Ref:** https://www.konami.com/amusement/arespear/desktops/c300/index.html
-
-### C7C242
-
-(name tentative)
-
-Used for new PCBs for older IIDX cabs (GELDJ-JX), optional for IIDX RESIDENT but mandatory for IIDX 31.
 
+Later PCBs of beatmania IIDX Lightning Model shipped with a revision motherboard and GPU.
+The revision was also used for newer 2023-current LDJ PCB.
 `#WEB: https://twitter.com/iMp95/status/1640971658117926912`
+`#WEB: https://twitter.com/iMp95/status/1641955160145666048`
 
-**MBD:** Supermicro C7C242-CB-M (microATX)  
-**STH:** Intel C242  
-**CPU:** Intel Core i5-9500E (3.0GHz) `#WEB: https://twitter.com/iMp95/status/1641042366856404992` 
-**RAM:** 1x Innodisk M4UI-8GS1JC0K-C (8GB DDR4 2666 DIMM)  
-**GPU:** MSI GeForce GTX 1650 D6 AERO ITX J OC (4 GB, GDDR6)  
-**SSD:** Innodisk 3TG6-P DGS25-B56M71EC1QFP (SATA 2.5", 256GB)  
+Also used for SOUND VOLTEX Valkyrie Model cabs.
+Unknown if it uses the original or revision motherboard.
+
+**MBD:** Supermicro SuperO MBD-C7B360-CB-MW-O custom variant (microATX) [2019-2021 TDJ]  
+**MBD:** Supermicro C7C242-CB-M (microATX) [2021+ TDJ / 2023+ LDJ]  
+**STH:** Intel B360 [2019-2021 TDJ]  
+**STH:** Intel C242 [2021+ TDJ / 2023+ LDJ]  
+**CPU:** Intel Core i5-9400F (2.9GHz) [TDJ]  
+**CPU:** Intel Core i5-9500E (3.0GHz) [LDJ] `#WEB: https://twitter.com/iMp95/status/1641042366856404992` 
+**RAM:** 1x Innodisk M4US-8GSSKCRG-S (8GB DDR4 2133 DIMM) [2019-2021 TDJ]  
+**RAM:** 1x Innodisk M4UI-8GS1JC0K-C (8GB DDR4 2666 DIMM) [2021+ TDJ / 2023+ LDJ]  
+**GPU:** GIGABYTE GeForce GTX 1650 MINI ITX OC 4G (GV-N1650IXOC-4GD) (4 GB, GDDR5) [2019-2021 TDJ]  
+**GPU:** MSI GeForce GTX 1650 D6 AERO ITX J OC (4 GB, GDDR6) [2021+ TDJ / 2023+ LDJ]  
+**SSD:** Innodisk 3ME3 DES25-B56D08BC1QC (SATA 2.5", 256GB) [TDJ]  
+**SSD:** Innodisk 3TG6-P DGS25-B56M71EC1QFP (SATA 2.5", 256GB) [LDJ]  
 **SND:** ASUS Xonar AE  
-**IO:** [BIO2](io.md#bio2)  
-**Games:** LDJ  
-**OS:** Windows 10 IoT Enterprise LTSC 2019 (?)  
-**BIOS:** AMIBIOS Aptio (05/27/2020 Rev:1.4V1)  
-**PSU:** FSP FSP550-50AAA (550W)  
+**IO:** [BIO2(BI2X)](io.md#bio2) [TDJ/UFC]  
+**Games:** TDJ, LDJ, UFC  
+**OS:** Windows 10 IoT Enterprise LTSC 2019  
+**PSU:** FSP FSP550-50AAA (550W) [2021+ TDJ / 2023+ LDJ]  
+**Ref:** https://www.konami.com/amusement/arespear/desktops/c300/index.html
 
 ### C300