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Case fans not being monitored by motherboard

post #1 of 14
Thread Starter 
I have a cooler master cm 690 II case with an asus p8p67 le motherboard. why can't i see the speeds of my 2 case fans? they are spinning because i plugged the power supply into one of the mole connectors on each fan. i also don't have anything plugged into the motherboard where it says pwr_fan. what should be plugged in there? i don't seem to have anything i can plug in there
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k Asus P8P67 GeForce GTX550ti 2x4GB G.Skill Ripjaws DDR3-1600 
Hard DriveOSMonitorPower
Samsung F3 1TB and Crucial C300 64 GB Windows 7 Ultimate 64-bit Viewsonic vx2433 Corsair TX650 v2 
Case
Cooler Master CM 690 II 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k Asus P8P67 GeForce GTX550ti 2x4GB G.Skill Ripjaws DDR3-1600 
Hard DriveOSMonitorPower
Samsung F3 1TB and Crucial C300 64 GB Windows 7 Ultimate 64-bit Viewsonic vx2433 Corsair TX650 v2 
Case
Cooler Master CM 690 II 
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post #2 of 14
The only way for you to see the speeds is to either use a fan controller, or to plug the fans directly in to available fan headers on the motherboard.

I only see 2 headers, so I would use a fan controller.
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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Reply
post #3 of 14
your motherboard cant read anything that isn't connected to it, simple as that.
Arcane
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Fukurou
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CPUMotherboardGraphicsRAM
Ryzen 7 1700 MSI B350M Mortar Arctic RX Vega 64 G.Skill TridentZ  
Hard DriveHard DriveOSPower
Samsung EVO 960 Consatellation Windows 10 Pro Corsair HX 1050 
Case
Raijintek Aeneas White Window 
CPUMotherboardRAMHard Drive
Core i5-661 GA-H55-USB3 12GB DDR3 1333 WD Caviar Black AALS 640GB 
Hard DriveHard DriveOptical DriveCooling
WD Caviar Green EARS 2TB Vertex Turbo 60GB (SSD) Samsung Blu-ray, Samsung DVD Burner H50 (With push/pull nocturas) 
OSMonitorKeyboardPower
Windows 10 Professional 64 LG 47inch LED LCD Saitek Eclipse Lite-touch Wireless Seasonic X750 Gold 
CaseAudio
CM690 II Passive bookshelfspeakers + amp. 
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Arcane
(33 items)
 
Sanctum
(9 items)
 
Fukurou
(15 items)
 
CPUMotherboardGraphicsRAM
Ryzen 7 1700 MSI B350M Mortar Arctic RX Vega 64 G.Skill TridentZ  
Hard DriveHard DriveOSPower
Samsung EVO 960 Consatellation Windows 10 Pro Corsair HX 1050 
Case
Raijintek Aeneas White Window 
CPUMotherboardRAMHard Drive
Core i5-661 GA-H55-USB3 12GB DDR3 1333 WD Caviar Black AALS 640GB 
Hard DriveHard DriveOptical DriveCooling
WD Caviar Green EARS 2TB Vertex Turbo 60GB (SSD) Samsung Blu-ray, Samsung DVD Burner H50 (With push/pull nocturas) 
OSMonitorKeyboardPower
Windows 10 Professional 64 LG 47inch LED LCD Saitek Eclipse Lite-touch Wireless Seasonic X750 Gold 
CaseAudio
CM690 II Passive bookshelfspeakers + amp. 
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post #4 of 14
Your fan need to be connected to your motherboard to monitor speeds and voltage.

If they are plugged into the molex it the power is taken 12v/5v directly from the psu.
 
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CPUMotherboardGraphicsRAM
Intel i7 6700 Dell Stock 8GB nVidia 1070 16GB DDR4 
Hard DriveHard DriveOptical DriveCooling
500GB Samsung 960 EVO NVME SSD (Soon!) 1TB Hard Drive None Stock 
OSMonitorPowerCase
Windows 10 Home Dell 4K 15" Display 240Watt Alienware 15 R3 Stock 
CPUMotherboardGraphicsRAM
[Intel] Core 2 Duo 8400 [Dell] 03NVJ6 [ATI] 4000 Series [Kingston] PC3 - 8500F 
Hard DriveOptical DriveOSMonitor
[Seagate] ST3250312AS Barracuda  [Samsung] TS-L633C [Microsoft] Windows 7 Enterprise 64Bit 2 Dell Monitors 
CaseMouseMouse PadAudio
[Dell] Dell Optical Mouse Dell Keyboard Soundmax HD Audio 
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Work Machine
(12 items)
 
 
CPUMotherboardGraphicsRAM
Intel i7 6700 Dell Stock 8GB nVidia 1070 16GB DDR4 
Hard DriveHard DriveOptical DriveCooling
500GB Samsung 960 EVO NVME SSD (Soon!) 1TB Hard Drive None Stock 
OSMonitorPowerCase
Windows 10 Home Dell 4K 15" Display 240Watt Alienware 15 R3 Stock 
CPUMotherboardGraphicsRAM
[Intel] Core 2 Duo 8400 [Dell] 03NVJ6 [ATI] 4000 Series [Kingston] PC3 - 8500F 
Hard DriveOptical DriveOSMonitor
[Seagate] ST3250312AS Barracuda  [Samsung] TS-L633C [Microsoft] Windows 7 Enterprise 64Bit 2 Dell Monitors 
CaseMouseMouse PadAudio
[Dell] Dell Optical Mouse Dell Keyboard Soundmax HD Audio 
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post #5 of 14
Thread Starter 
Quote:
Originally Posted by Zero4549 View Post
your motherboard cant read anything that isn't connected to it, simple as that.
but is there anything connect to the motherboard?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k Asus P8P67 GeForce GTX550ti 2x4GB G.Skill Ripjaws DDR3-1600 
Hard DriveOSMonitorPower
Samsung F3 1TB and Crucial C300 64 GB Windows 7 Ultimate 64-bit Viewsonic vx2433 Corsair TX650 v2 
Case
Cooler Master CM 690 II 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k Asus P8P67 GeForce GTX550ti 2x4GB G.Skill Ripjaws DDR3-1600 
Hard DriveOSMonitorPower
Samsung F3 1TB and Crucial C300 64 GB Windows 7 Ultimate 64-bit Viewsonic vx2433 Corsair TX650 v2 
Case
Cooler Master CM 690 II 
  hide details  
Reply
post #6 of 14
The only way for you to see the speeds is to either use a fan controller, or to plug the fans directly in to available fan headers on the motherboard.

I only see 2 headers, so I would use a fan controller.
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
post #7 of 14
Quote:
Originally Posted by yomama07024 View Post
but is there anything connect to the motherboard?
The fan headers on the motherboard are 3 pins. You need to get a molex to 3 pin fan connector adapter.
post #8 of 14
Thread Starter 
Quote:
Originally Posted by Flynny View Post
The fan headers on the motherboard are 3 pins. You need to get a molex to 3 pin fan connector adapter.
that's the answer i was looking to get! lol
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k Asus P8P67 GeForce GTX550ti 2x4GB G.Skill Ripjaws DDR3-1600 
Hard DriveOSMonitorPower
Samsung F3 1TB and Crucial C300 64 GB Windows 7 Ultimate 64-bit Viewsonic vx2433 Corsair TX650 v2 
Case
Cooler Master CM 690 II 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500k Asus P8P67 GeForce GTX550ti 2x4GB G.Skill Ripjaws DDR3-1600 
Hard DriveOSMonitorPower
Samsung F3 1TB and Crucial C300 64 GB Windows 7 Ultimate 64-bit Viewsonic vx2433 Corsair TX650 v2 
Case
Cooler Master CM 690 II 
  hide details  
Reply
post #9 of 14
You don't need to buy any adapters, you just need to remove 3-pin to Molex adapters that are installed on standard case fans.

Shinobi XL
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CPUMotherboardGraphicsRAM
Intel Core i7-3770K Asrock Z77 OC Formula XFX Radeon HD 7870 XT Kingston HyperX Predator 2400 MHz 2*4 GB 
CoolingCoolingOSPower
EK Supreme HF EK-VGA Supreme HF Windows 7 Ultimate  Silverstone 1200W Strider Gold Evolution v2.0 
Case
Cooler Master Cosmos II 
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Shinobi XL
(11 items)
 
Cosmos 2
(9 items)
 
Raven RV03
(8 items)
 
CPUMotherboardGraphicsRAM
Intel Core i7-3770K Asrock Z77 OC Formula XFX Radeon HD 7870 XT Kingston HyperX Predator 2400 MHz 2*4 GB 
CoolingCoolingOSPower
EK Supreme HF EK-VGA Supreme HF Windows 7 Ultimate  Silverstone 1200W Strider Gold Evolution v2.0 
Case
Cooler Master Cosmos II 
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post #10 of 14
Quote:
Originally Posted by Flynny View Post
The fan headers on the motherboard are 3 pins. You need to get a molex to 3 pin fan connector adapter.
When connecting a fan directly to a motherboard, no adapters should be needed. After all, how many fans do you know of that need a 4-pin molex to 3-pin whatever-it's-called in order to be able to connect to a 3-pin fan header?
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
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