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--- projects:facuum [2016/04/17 15:32] – metalgamer
+++ projects:facuum [2016/04/17 15:33] – [Fans] metalgamer
@@ Line 9: / Line 9: @@
 ===== Fans =====
-We use the San Ace 40 fans, taken from an old server we've got. They have a proprietary 12 pin connector. After further inspection, we found out, that they are actually 4-3 pin Fans.
+We use the San Ace 40 fans, taken from an old server we've got. They have a proprietary 12 pin connector. After further inspection, we found out, that they are actually 4 3-pin Fans.
 Here are the pinouts:
-^ Fan 1 ^ Fan 2 ^ Fan 3 ^ Fan 4
+^ Fan 1 ^ Fan 2 ^ Fan 3 ^ Fan 4 ^
 | Red: +3V | Red/White: +3V | Orange: +3V | Orange/White: +3V |
 | Black: Ground | Black/White: Ground | Grey: Ground | Grey/White: Ground |
-| Yellow: N/A | Yellow/White: N/A | Brown: N/A | Brown/White: N/A |
+| Yellow: Tachometric Signal | Yellow/White: Tachometric Signal | Brown: Tachometric Signal | Brown/White: Tachometric Signal |
 Sadly, these fans are not reversible, but there is a pin not connected on the PCB, maybe by soldering the +V wire to that pin, we can reverse the fan.
 The voltage mentioned in the table, is the minimum voltage needed to start the fan. The maximum voltage is +23V after that, the fan start to lower their speed.