diff --git a/Personal-recipe-to-make-a-good-PSNee.md b/Personal-recipe-to-make-a-good-PSNee.md
index 7af32a2..2f97946 100644
--- a/Personal-recipe-to-make-a-good-PSNee.md
+++ b/Personal-recipe-to-make-a-good-PSNee.md
@@ -3,6 +3,7 @@
 * A soldering iron (the tTS_100 found in all Chinese stores is a good compromise)
 * A little soldering wire
 * And thin cable (awg26-30)
+* [BIOS dumper](Just-what-you-need-to-know-to-know-your-BIOS-with-BIOS-Dumper-2.6.) if you want to install it on a old Japanese
 
 ## Part 1:
 Install the Arduino IDE  
@@ -47,9 +48,10 @@ Sketch -> upload using a programmer
 Normally your PSNee is ready to be installed in your dear console.
 
 ## Part 9:
-Install your PSNee in your console according to the schematics available in this guide.   
+Install your PSNee in your console according to the schematics available in this Wiki.  
+To know your BIOS version use [BIOS dumper](Just-what-you-need-to-know-to-know-your-BIOS-with-BIOS-Dumper-2.6.).    
 If your console does not require a bios patch, ignore the AX AY DX RESET pins.  
-**The AY pin is only needed on machines SHCP-1000 SHCP-3000.**  
 If your console requires a bios patch, for the AX AY DX pins follow the BIOS Pin diagram.  
+**AY pin is only needed on machines with bios V1.0j V1.1j**  
 
 Now you can enjoy your delicious pancakes hot off the burner on your PS1;P
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