Question about AMD ASUS A7V8X-X MOTHERBOARD ATHLON XP SOCKET A KT400 ATX 3GB DDR 333 (MTH2022AS)

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This motherboard only has 2 fan connections,1 chassis,1 CPU, and there are three fans.1 intake front chassis, 1CPU, 1 rear exhaust chassis. Rear exhaust is disconnected. It is also custom built Asus. Should rear fan be connected? If so ,how? HELP!!! Ray.

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Posted on Aug 09, 2010

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What makes 511-cpu fan not detected and 512-chassis not detected


Are you seeing this error on a system you built or a pre-built system? If it is a pre-built system, check that the fans are running. Next check where the fans are plugged in, the CPU fan must be connected to the CPU fan connector on your motherboard. The chassis (rear case fan) only needs to be connected to the motherboard if you want the monitoring/PWM (modulated fan speed) option. If your CPU fan is powered directly from the power supply, change this.

If this is a system you built or recently updated the case, check your fan power connections, as above. Next check the fan speed. My ASUS board will give the "CPU fan not detected" error if the CPU fan speed is too slow. A different CPU fan will solve the problem. (I got my fan with the CPU; it works fine.)

I hope this helps. Please add a comment with more information about your system for more assistance.

Cindy Wells

May 12, 2013 | Computers & Internet

1 Answer

Which way does the rear fan go in a compaq computer tower


The proper installation of a CPU fan is often the subject of debate. Though there are conflicting theories as to which direction the CPU fan should face, there are methods to ascertain which CPU fan installation best suits your needs. The determining factors of your CPU fan installation direction include the manufacturer specifications, your case design and the specific design of your heat sink
Horizontal Installation
  • The installation of a CPU fan horizontally to the plane of the motherboard is the most common installation orientation there is. Your options when installing your CPU fan are to blow cool air onto the heat sink or to pull cool air through the heat sink from the motherboard. Horizontal installations show negligible advantages in either installation direction. The differences in temperature usually vary by only 1 or 2 degrees Celsius. The main point to consider when installing a horizontal CPU fan is the location of the rear exhaust fan on the case. If the rear exhaust fan on the case is parallel to the processor, it is advantageous to have the fan pull cool air from the motherboard and push it out above the heat sink. This is because the case fan will quickly draw that hot air away from the CPU and out of the case, allowing for quick cooling.

Vertical Installation
  • Vertical, or tower, heat sinks rise high enough off the motherboard to allow for a fan to be installed perpendicular to the plane of the motherboard. This allows for cooling to go from the front to the back of the case, as opposed to going from the bottom to the top. Optimal installations for vertical heat sinks are blowing toward either the back or the top of the case. If there is no exhaust fan in the top face of your computer's case, it is more effective to orient your fan on your vertical heat sink so that it blows toward the rear exhaust fan of the case. If there is an exhaust fan on the top face of your computer case, it is almost always more effective to mount your CPU fan so that it blows air up toward the top of your case. The reasoning behind this is that hot air rises and will more naturally flow off the top of your case. Also, top-mounted fans are usually larger and allow for faster airflow out of the case.

Manufacturer Recommendations
  • It is often the case with nonstock heat sinks that the manufacturer has designed the heat sink's fan to be mounted in a limited number of orientations. This is usually evidenced by limited mounting notches on the heat sink itself. Most aftermarket heat sinks use technologies such as heat pipes that have specific cooling needs to operate appropriately. Because of this, it is important that in any CPU fan installation you follow the manufacturer's installation instructions.


Performance chips of BMW

May 31, 2012 | Compaq Hp - 375376-001 - Dc7600 Tower...

1 Answer

My computer getting restrted frequently after few minuites, even i have changed processor cooling fan


Hi

Try upgrading to a Higher Wattage Power Supply Unit (PSU/PSMP)

Use Heat Sink Paste between the CPU and the Heat Sink.

Try a more effective CPU Heatsink and Fan Unit.

Check for a build up of dust, dirt and grime between the CPU and Heatsink, between the PSU/PSMP Fan and its Rear Grill, between the plastic Front Control Panel and the metal chassis of the computer case/casing, and in the general case, causing overheating when the computer is on, preventing the intake of cooling air and/or the venting of hot air.

Avoid using a computer placed on a thick pile carpet or in a restricted cubby hole or desk or with its rear or side hot air exhaust vents too close to a wall, restricting the inflow of cooling air and the outflow of hot air.

Check if a misaligned, metal motherboard mounting point or a loose screw that has found its way to the underside of the motherboard is shorting on motherboard solder points.

I hope this helps.

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Sep 06, 2011 | ASUS P5KPL-AM SE Motherboard

1 Answer

Hello can i connect 2 fans to the motherboard? 1 is at the rear,,can the other 1 go anywhere else with 3 pin connectivity??


Hi, this link will show you the manual to your Motherboard, Page 12 section 1.4 Motherboard Layout. this page will show the layout and you may need to zoom in to see it clearer, there is No.5 CPU Fan Connector (CPU_FAN1) next to the CPU slot and there only seems to be 1 more Fan connection No.15 Chassis Fan Connector (CHA_FAN1), this seems to be the only additional fan connection, normally you would connect a side door/panel fan, the rear fan connections direct to the PSU.

http://download.asrock.com/manual/775Dual-880Pro.pdf

Sep 17, 2010 | Asrock 775Dual-880 Pro Motherboard

1 Answer

Only two fans are connected in my custom built Asus pc. There are three, front intake, CPU, rear exhaust. How can I connect rear exhaust fan if there is no connection? HELP!!! Ray.


you can get a molex (cd-rom type power plug) to fan adapter, if you shop arould new egg or something. they come with a lot of fans, as well.

Aug 05, 2010 | AMD ASUS A7V8X-X MOTHERBOARD ATHLON XP...

1 Answer

My Asus A7V8X-X AMD Athlon 2500 motherboard was custom built. There are three fans, front,CPU, rear. There are only two motherboard connections, 1 chassis, 1 CPU. rear is disconnected. How can I connect...


If your rear fan has a small 3 pin connector and there are no connections of that type on your motherboard, you will need an adapter to connect it to a four pin molex connector from your power supply. Something like this...

http://order.store.yahoo.net/cgi-bin/wg-order?yhst-39083765508394+4to3

Aug 05, 2010 | AMD ASUS A7V8X-X MOTHERBOARD ATHLON XP...

1 Answer

Gateway 506GR motherboard configuration


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Item Description Item Description A Rear Panel I/O Ports M Front Chassis Fan Connector B Auxiliary 12-V ATX Connector N Serial ATA Interfaces C CPU Socket O Front Panel Header D CPU Fan Header P Front USB Connector E Memory Slots Q Front USB Connector F Standby Power Indicator LED R Front Panel IEEE-1394a Connectors G Floppy Disk Drive Connector S Speaker H ATX Power Connector T PCI Express x1 Connector I Parallel ATA IDE Interface U Front Panel Audio Connector J Battery V PCI Slots K Intrusion Switch Header W Rear Chassis Fan Connector L BIOS Configuration Jumper

Aug 21, 2009 | Gateway 506GR PC Desktop

2 Answers

Extra wire /fan 3pin hole 1wire where to plug in X 2 fans


If your cpu fan has a 4 pin connector & your mb has a 3 pin you can still use it. Just leave one pin exposed. The extra pin is for a speed control sensor that not all mb's support. The chassis fan has a different connector on the board marked "cha fan". This one is a 3 pin connector. Most of the asus boards have 1 of these. If you wish to run more than one you can either buy a "y" adapter that allows you to connect 2 fans to 1, you could use an extra 4 pin molex to power an extra fan but that would give you no control over the fan, or you could buy a fan controller and hook all your extra fans to it. Hope this helps & please take a moment to rate my solution fixya. Thanks.

Feb 14, 2009 | ASUS MB M3A78-EMH HDMI RT Motherboard

2 Answers

Auto restart


It may be overheating or the power supply may be failing.

Jun 22, 2008 | Microsoft Windows XP Home Edition

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