diff --git a/sega/boards.md b/sega/boards.md
index a4698a6..0977841 100644
--- a/sega/boards.md
+++ b/sega/boards.md
@@ -43,7 +43,7 @@ SEGA parts are referred to using a [proprietary format](identifiers.md#part-numb
    Y = F: DIMM board
    840-0001F: DIMM 256MB, SCSI ("ASSY CASE NAO DIMM BD COM")
    840-0004F: DIMM 256MB, SERIAL, SCSI, ETHERNET ("DIMM BD NAO" / "ASSY CASE NAO DIMM BD COM RTOS")
-   840-0005F: DIMM 256MB, ETHERNET
+   840-0005F: DIMM 256MB, ETHERNET  https://page.auctions.yahoo.co.jp/jp/auction/d1040017993
    840-0006F: DIMM 512MB, SERIAL, SCSI, ETHERNET ("DIMM BD NAT")
    840-0008F: DIMM 512MB, ETHERNET
 ```
diff --git a/sega/media.md b/sega/media.md
index d9cf594..a4f5f44 100644
--- a/sega/media.md
+++ b/sega/media.md
@@ -488,7 +488,7 @@ CDV-10006 : Sangokushi Taisen : Chihiro
         R: ^ 1.122
 CDV-10007 : World Club Champion Football SERIE A 2002-2003 Drive Check : NAOMI2
 CDV-10008 : World Club Champion Football SERIE A 2002-2003 Ver.2.34 : JPN : NAOMI2
-CDV-10009D: Sangokushi Taisen Ver.1.002 : Chihiro
+CDV-10009D: Sangokushi Taisen Ver.1.002 : Chihiro  #WEB:https://jp.mercari.com/item/m54602180392
 CDV-10010 : Mobile Suit Gundam 0079 Card Builder : Chihiro
         A: ^ Ver1.007
 CDV-10011 : World Club Champion Football EUROPEAN CLUBS 2004-2005 : JPN : NAOMI2
@@ -508,7 +508,7 @@ CDV-10017 : Quest Of D: Gofu no Keisyousya 2.00 : Chihiro
         C: ^ 2.02C
         D: ^ 2.02D
 CDV-10018 : QOD FIRMWARE UPDATE : Chihiro
-CDV-10019A: Sangokushi Taisen 2 Ver.2.007 : Chihiro
+CDV-10019A: Sangokushi Taisen 2 Ver.2.007 : Chihiro  #WEB:https://jp.mercari.com/item/m54602180392
         B: ^ Ver.2.010
 CDV-10020 : World Club Champion Football EUROPEAN CLUBS 2004-2005 Ver.1.1 : JPN : NAOMI2
 CDV-10021 : World Club Champion Football EUROPEAN CLUBS 2004-2005 Ver.1.2 : JPN : NAOMI2