diff --git a/src/mess/drivers/xerox820.c b/src/mess/drivers/xerox820.c
index 23e9c534aa1..5bfb73aa620 100644
--- a/src/mess/drivers/xerox820.c
+++ b/src/mess/drivers/xerox820.c
@@ -801,8 +801,8 @@ ROM_START( x820ii )
 	ROM_LOAD( "x820ii.u57", 0x0000, 0x0800, CRC(1a50f600) SHA1(df4470c80611c14fa7ea8591f741fbbecdfe4fd9) )
 	ROM_LOAD( "x820ii.u58", 0x0800, 0x0800, CRC(aca4b9b3) SHA1(77f41470b0151945b8d3c3a935fc66409e9157b3) )
 
-	ROM_REGION( 0x800, "keyboard", 0 )
-	ROM_LOAD( "keyboard", 0x0000, 0x0800, NO_DUMP )
+	ROM_REGION( 0x400, "keyboard", 0 )
+	ROM_LOAD( "820iikey.bin", 0x000, 0x400, CRC(8ea3b39b) SHA1(3f05959f54a558b273567b1b4f0c7cdf46d8d9bf) )
 ROM_END
 
 ROM_START( x168 )
@@ -820,8 +820,8 @@ ROM_START( x168 )
 	ROM_LOAD( "x820ii.u57", 0x0000, 0x0800, CRC(1a50f600) SHA1(df4470c80611c14fa7ea8591f741fbbecdfe4fd9) )
 	ROM_LOAD( "x820ii.u58", 0x0800, 0x0800, CRC(aca4b9b3) SHA1(77f41470b0151945b8d3c3a935fc66409e9157b3) )
 
-	ROM_REGION( 0x800, "keyboard", 0 )
-	ROM_LOAD( "keyboard", 0x0000, 0x0800, NO_DUMP )
+	ROM_REGION( 0x400, "keyboard", 0 )
+	ROM_LOAD( "820iikey.bin", 0x000, 0x400, CRC(8ea3b39b) SHA1(3f05959f54a558b273567b1b4f0c7cdf46d8d9bf) )
 ROM_END
 
 ROM_START( mk83 )