diff --git a/sega/boards.md b/sega/boards.md
index 5f9b2c6..6f258cc 100644
--- a/sega/boards.md
+++ b/sega/boards.md
@@ -59,6 +59,7 @@ SEGA parts are referred to using a [proprietary format](identifiers.md#part-numb
   * 834-14789 /          :                     : Bingo Galaxy [satl] : JP
   * 834-14792 /          :                     : Dinosaur King 2 : EXP
   * 834-14865 /          :                     :
+  * 834-14881 /          : GAME BD SP 512 BLP  : Block People : JP  `#DOC:sega:420-7184`
   * 834-14970 /          : GAME BD SP DKC      : Tetris Giant / Dekai Tetris : GL
   * 834-14750 /          :                     : Ami-no-San : JP : https://webcache.googleusercontent.com/search?q=cache:VCAbfytrwvYJ:https://aucfree.com/items/d359606190+&cd=14&hl=nl&ct=clnk&gl=nl
   * 834-15041 /          :                     : Ami-no-San : JP
diff --git a/sega/identifiers.md b/sega/identifiers.md
index c27d3a4..fd8dc1a 100644
--- a/sega/identifiers.md
+++ b/sega/identifiers.md
@@ -76,7 +76,7 @@ Known part categories (tree view):
  70: BARE BD
  71: BARE BD
 2  - medium-size auxiliary parts, displays, connectors, sockets, accessories
- 00: DISPLAY
+ 00: DISPLAY, DISPLAY ACCESSORIES
  09: CONN TERMINATOR? ("CONN CLOSED END")
  11: CONNECTOR        ("CONN OPT JOINT" / "CONN PIN TEST PT" / "CONN RING LUG")
  12: CONNECTOR        ("CONN JST" / "CONN M")
@@ -121,6 +121,8 @@ Known part categories (tree view):
  00: "SW REGU" / INVERTER / PSU
 4  - manuals, stickers, emblems, batteries, electronic parts
  01: BATTERY
+   -0054: BATTERY CR2032/1F MATSUSHITA
+   -0065: BATTERY CR2032 HITACHIMAXELL
  20: MANUAL / STICKER / DECAL
  21: STICKER / FILM
  22: PLAY INSTR