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Molex connectors problem - Western Digital Caviar WD800BB 80 GB Hard Drive

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Posted on May 07, 2010

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Acer aspire m3201 pc power supply unit,output looms connectors have identification markings on them PI/PA/PB/PC/PD/PE/PF/PG .I want to know which componets the Molex type connectors fit. the PC has On


The Molex connectors in a desktop PC are keyed to ensure proper placement. The 4-pin flat connectors that are flat on the bottom and have beveled edged on top are connected to hard drives, CD, and DVD-ROM drives that have matching power sockets. Those devices that have Molex sockets usually have the 40-pin ribbon cables for IDE devices. There will be a four-pin square connector that connects to the socket on the motherboard for the CPU power. Then there is the 20 or 24-pin connector that is the motherboard main power.

Jan 13, 2015 | Acer Computers & Internet

1 Answer

Molex connector


walmart should have them.

Mar 08, 2014 | Radio Shack TRC-521 CB Radio

1 Answer

I bought a new case fan to replace an HP Compaq DC5100 Case Fan. The problem is the fan I bought has a 4-pin molex connector which I didn't find in my computer. Is there a converter from the 4-pi


You will find 3-pin to Molex only as the 4th pin is for control which older Molex does not support. You bought the wrong model fan for your motherboard. You might consider rewiring it with the old connector. See e.g. http://www.silentpcreview.com/article1193-page7.html which provides wiring logic.

Jan 09, 2013 | Computers & Internet

1 Answer

I need to buy a 16 pin molex connector


FYI, post your question in the right section, this is a courtesy to yourself since the people looking at this section are computer people not electricians. I would ask on this forum, sounds like they may even fix for you for the cost of shipping and handling. http://www.reefcentral.com/forums/

Jul 12, 2012 | Molex Computers & Internet

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I have a Honeywell furnace model #M1MB 070A BW. How do I replace the igniter?


Hello, first turn off power to the Furnace, then remove igniter from bracket and unplug molex connector. Then take the igniter to a Hvac supply store and get new one, reinstall it into bracket plug into molex connector and turn furnace back on.

Mar 05, 2011 | Honeywell Heating & Cooling

2 Answers

I am having several sata hdd what i noticed is the third connector on the drive 1data 2 power and3?


most SATA hard drives have both the molex and SATA power connectors to work with every PSU (power supply unit). There's a good chance that your third connector is the Molex one, don't worry about it.

Feb 28, 2011 | Western Digital (WD1200BEVS) 120 GB SATA...

1 Answer

This is my first build and all the connections are a bit confussing need picts of how to install cables to hardware


The following picture will definitely help you to install new power supply.
mbdguru_0.jpg
The 4 pin CPU power connector is using in most of the desktop motherboard. If your motherboard is gaming type or workstation board you need to connect 8pin CPU power connector. Molex connectors are using to power up DVD Drives and HDDs. In New model power supply instead of molex connector SATA Power connectors are coming.

Feb 12, 2011 | Thermaltake Toughpower XT TPX675M 675W ATX...

1 Answer

I am looking for a wiring diagram for my emachine front power switch


Power Supply Types

There are two basic types of power supplies. There are AT power supplies, which are older and in older computers, and ATX power supplies, which you will find in virtually every new computer you can buy.

There are two fundamental differences between AT and ATX power supplies. First, the switch mechanism is different. AT power supplies use a normal on-off switch, which directly turns the power supply on or off.

ATX power supplies use a momentary switch which does not directly control the power. Instead, the switch signals the motherboard, which performs one of three actions:

  • If the computer is off, the power supply is turned on (which turns the computer on)
  • If the computer is on, the computer goes into power-saving mode (standby)
  • If the switch is held for more than 4 seconds, the power is cut and the computer turns off.
Because of this difference, ATX power supplies are better for projects that require the second power supply to turn on automatically when the computer is turned on.

The second difference is in the motherboard connector: AT power supplies provide two 6-pin connectors (figure 1), which are easy to insert backwards. The ATX connector is a single 20-pin connector that only plugs in one way (figure 2).
2psfig1small.jpg 2psfig2small.jpg
Figures 1 and 2: The difference between AT (left) and ATX (right) motherboard connectors.
Both power supplies provide two types connectors for plugging devices into. These connectors are called Molex connectors, and they come in two sizes (see figure 3 and 4). A power supply will generally have a few of each size.
2psfig3small.jpg 2psfig4small.jpg
Figures 3 and 4: Large (left) and small (right) Molex connectors.
There is no difference between the two sizes other than the size itself. Both sizes provide the same amount of power to whatever device is plugged into it (12V and 5V). The small Molex connectors are generally used only for floppy drives. Large Molex connectors power hard drives, CD/DVD drives, and many fans and lights as well.

Note: You can purchase large and small Y-adapters if you run out of Molex connectors. Be careful when using the Y-adapters however, because if your power supply does not have enough power for all the devices attached (especially true for older, lower-wattage supplies), you can damage it.

Dec 03, 2009 | E-Machines eMachines Desktop PC

1 Answer

I got my new XFX NVIDIA GeForce 8600 GTS 512MB yesterday for my dell dimesion 9200 but when i was connecting it to the power supply the instructions say u have to "connect two molex connectors from the...


You can but a molex splitter so that you can plug the single molex you have into it and then have two, like a "Y". You will probably have to go online to a company like www.tigerdirect.com, www.newegg.com, or www.circuitcity.com who sell power supplys. I realize that means waiting a few days but the alternative is to either modify your PSU which voids the warranty or buy a different one. The splitter is inexpensive.

Nov 10, 2009 | XFX NVIDIA GeForce 8600 Graphics Card

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