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Gigabyte older motherboards SYS Fan2 "PWM" fan connectors

post #1 of 3
Thread Starter 
Fan speed on it is not actually PWM controlled but rather voltage controlled even if it's a 4-pin connector and the fan won't run full tilt either
For reference my board is EX58-UD5. Don't know about the newer ones but Gigabyte advertises it as capable of being "PWM" controlled on the website
In short, A 3pin fan is still controlled and peak voltage is only 10.5V. But it is indeed written in the datasheet as being "reversed"

Any other EX58 owners who know if this issue? I know FtW 420 has this board!
I know it's a old platform and very old board so it's probably not even relevant but still, the hell they did that for? It's clear Gigabyte is not laying out traces for it to save costs because IT8720 supports 5 PWM outputs
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Ayase Eli
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post #2 of 3
If it's anything like with their Z77 boards, then AFAIK yes Super I/O supports 5 PWM outputs, but it has limited number of pins. So Gigabyte had to choose what functions of Super I/O were more important. At least that's what I've heard for Z77.
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by DeXel View Post

If it's anything like with their Z77 boards, then AFAIK yes Super I/O supports 5 PWM outputs, but it has limited number of pins. So Gigabyte had to choose what functions of Super I/O were more important. At least that's what I've heard for Z77.
You would think with SO MANY I/O on a bigger LQFP chip they would put in more PWM outputs right? I'm confused.
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Ayase Eli
(20 items)
 
Testbench
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MC Server
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CPUMotherboardGraphicsRAM
AMD Ryzen 7 1700 ASRock X370 SLI Killer Zotac GTX1070 "FE" with ID Cooling Frostflow 240G Crucial BallistiX Sport LP 16GB 8x2GB 
Hard DriveHard DriveHard DriveCooling
Zotac SSD Premium 480GB OCZ Vector 180 480GB Hitachi 7K3000 3TB 7200rpm ID Cooling Frostflow 240L 
CoolingCoolingCoolingCooling
ID Cooling Frostflow 240G Phanteks F140MP x2 CoolerMaster Silencio FP120 x2 Phanteks F140SP 
CoolingMonitorKeyboardPower
Delta AFB1212SH x2 Dell U2713HM CM Storm MECH FSP Aurum PT 1200 
CaseMouseMouse PadAudio
Phanteks Enthoo Pro Logitech G102 Tesoro Aegis X3 Virtus.Pro AKG K7XX 
CPUMotherboardGraphicsRAM
Intel i7 6700k Gigabyte Z170X-UD5 Depends Depends 
Hard DriveCoolingMonitorKeyboard
Plextor M5S Depends Dell U2312HM CM Storm Quickfire Rapid-i 
PowerMouse
FSP Aurum PT 1200 CM Storm Mizar 
CPUMotherboardGraphicsRAM
Intel i7 2600 4GHz Gigabyte Z77X D3H Intel HD Graphics 2000 obviously Kingston HyperX Genesis 4X4GB DDR3 1600 
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