|
Apple Motherboard 4 pin CPU PWM fan connector specification users reports and reviews |
| Date | Content Revision |
User opinion | Comment | Approved by moderator? |
|---|---|---|---|---|
| 2013-01-27 00:22:00 | rev. 1 | CORRECT | APPROVED | |
| 2014-11-26 23:59:43 | rev. 2 | ERROR FIXED | Pin 4 is noted as a PWM signal. While it can be driven by a 5 volt digital PWM signal, it is, in fact, an analog fan speed control signal. 0 volts = off, 5 volts = 100%, 2.5 volts = 50%, ... | APPROVED |
| 2015-04-25 09:51:44 | rev. 3 | CORRECT | No Errors, Just wish I would have found this sooner before burning up an apple delta 40mm franticly trying everything to get it to spin in my pc. | APPROVED |
| 2015-04-25 09:55:43 | rev. 3 | CORRECT | however on a 40mm delta fan from say an Xserve the pinout is in a different order and with different colors, 1 is red two is black three is blue and for yellow this is red 12v black gnd blue pwm and yellow is signal. | APPROVED |
| Date | Content Revision |
Author | Comment |
|---|
Pinouts.ru > Pinout of Apple Motherboard 4 pin CPU PWM fan connector |
should be correct |