This means the newer 24-pin power supply is useful for motherboards that require more power, and therefore eliminates the need for ATX 12V power supplies to. Each of the decoder outputs is connected to its respective connector wire. The NA-YC1 Y-Cables make it possible to run two 4-pin PWM fans on a single fan header and to let the mainboard control the speed of both fans simultaneously. It’s typically located near the CPU socket or on the side of the motherboard closest to the front of the case. Use your fingers to press. You're right. Building my first PC and I looked at the 24 pin connector, and it only has contacts for 23 pins as the image shows. Here are some steps you can follow to properly install a new 24-pin connector: Shut down your computer and unplug it from the power outlet. They should latch into place (there are little latches on either side of the pins). Business, Economics, and Finance. It's missing a pin. Just check that the pins lines up (there's a covered over hole on the adapter and a missing pin on the. 24 There are two versions of the ATX power supply connector. 0 port. Power off your PC and unplug the power cable from the power supply unit (PSU). Hello, I just received my new 400CX today. 0 GPU Cable (16-pin Micro Fit cable) for Nvidia RTX 4090 4080 4070 4060 3090ti. If you have a 24-pin connector and one of the pins is missing, don’t worry! There are a few ways to fix this problem. When I connect the 6+2 PCIe cable so I can install the GPU, the system will not power on, even though the PCIe cable is only connected to the PSU, not the GPU. The point of 20+4 (rather than just 24) is that it's backwards compatible. Any help is appreciated. Oct 26, 2016. It used to be for the -5v wire, but MB these days won't use it anymore. For proper insertion of a 16-pin graphics card power cable into a power supply unit, or power cable into a compatible graphics card, please see the instructions below. #1. The pin you are missing is a ground pin so it's possible that the PSU is configured in a way that makes it unnecessary. Source:. 1) The PCIe cable that plugs in to my GPU (the weird looking one that splits into 2). #1. You connect two 8-pin PCIe power cables to two 6-pin sockets on the HD4890 leaving two pins on each cable unattached. Power Supplies. The ATX 24 pin 90 Degree adapter adds a number of possibilities to how users can install the main power Connector to their motherboard from the PSU. Here is right from Corsairs website. (And the last 4. H. The short pin near the rear of the card is “PRSNT2#”. So you will certainly need this adapter that will help you convert from 24-pin to 12-pin male connector. 12-16-2020 06:38 PM. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Then you should be able to reconnect the cable to the motherboard. It should just work. Available for motherboard 24-pin, GPU dual 8-pin, and GPU triple 8 pin. One side I was able to extract it with my fingers; the other side I snapped the pin in half by accident and had to dig the rest out with my sharpest tweezers. It's cleaned and the thermal paste was restocked not long ago. 20. #1. You need to connect the power button/front panel cable from your case onto the motherboard and push the power button on the case to. This is dual 8pins cable from Corsair 500watt PSU. May 5, 2015. The 24-pin connector (it's split into 20+4) won't fit into the motherboard 24-pin slot. If you want to connect our PSU into a 4-pin EPS motherboard port, simply pull the two halves of the connector apart and connect one half into the motherboard port. See … all. Please reach out to our support team and we can assist with getting you the correct 24-pin ATX cable. Standard 24 PIN SATA LIF connector. According to MSI B450 Pro Carbon AC I was looking at it has J_RGB (12V 4-pin RGB), J_Rainbow (5V 3-pin A-RGB) and J_Corsair (dunno the specifics but A-RGB pin for Corsair products lol). $0. Here is right from Corsairs website. The connection on the motherboard would be to the "power switch" pins that are part of the front panel connector. Dark Lord of Tech Retired Moderator. Teddy70tr New Member. Update 11/05/2022 9:30 am PT. The RMi not only utilizes the +3. The PCIe cable is missing the one pin & wire on the PSU side, as I explained above, since it is just a sense wire that tells the GPU that it can pull 150W instead of 75W. Ribbons : 761. H. I found my ps1 av cable and its indentical to my ps2, so i wonder they both have all the pins. Pin 9 was removed from 14-pin cables because the key signal became obsolete with modern computer monitors and was no longer used in the default. Yes, not all 15 pins are required for a VGA connection. I monitored voltages using HWinfo and they were dropping to 10V. The Cablemod 24 pin cable is different than the OEM 24 pin cable on the motherboard side. . Thought the clip and plug designs would prevent that, but that might be where your "missing" 4+4pin went. CORSAIR COMMUNITY Survey, we want to hear your feedback! The 24pin cable of AX1200i. 1 supports PCIe and calls for additional power requirements. 13. . . 1. #1. AirgooDirect StoreVisit Store. On my PSU there are 18pin and 10pin slots. From the specs of the website listed it looks as though the middle wire on the bottom is optional on a 6 pin power connector. This is dual 8pins cable from Corsair 500watt PSU. Didn't use cable for fear of the electron mafia breaking my motherboard's knees. EDIT: so the missing pin is normal but still the computer only powers on the vid card, and. See that middle cable go down in the middle? Four yellow +12v wires on the side of the clip with four black ground wires on the other side. Connect both psu cables to your motherboard. However, I looked further down the cable, and noticed there are 9 individual cables that are all colorcoded, with 3 thick ones, red, green, and blue. Dec 25, 2008. Categories: Accessories, Cables Tags: ARGB Cable, case component, Customized. The 8 pin power supply cable needs to connect to the motherboard too, and is used to provide your CPU with power. 4,542. 19,160. Business, Economics, and Finance. Included Cable Types: 1 x ATX 24 Pin, 1 x CPU 8 (4 + 4) Pin, 1 x CPU 8 Pin, 2x PCI-e 6+2 Pin, 2 x PCI-e 8 Pin. In case someone visits this post all these years later and does not see the other comments, the missing pin is NORMAL . I’m building my first pc and I’m not sure if I should force the 24 pin in harder or get a different psu. Automatic speed control of both fans will work independently. Scan this QR code to download the app now. 8,960. Double deck screw terminals provide compact wiring. 9. Good afternoon, I recently purchased a Corsair RM 750x power supply , I noticed on my PCIe 8 pin (6+2) cable that there’s a pin missing from the side that connects to the power supply. 0. Never molex to 6 pin. CryptoI found that the 24 pin connector that, on the board in the case the 30 pin cable connects to, has the same pinout as the 26 pin connector on the X2. The 18- and 10-pin cables combine to the 24-pin you plug into the motherboard. i just noticed the shape like somebody mentioned is different like the one missing a pin can go to the psu because it has different shape and the one. The 18+10 pin socket (18 pin side) is missing 2 pins. The wide 24 pin cable plugs into the matching 24 pins on the motherboard. It's no good. Fan speed is controlled via PWM (the 4th pin on PWM fans) or voltage regulation (which is first 2 pins, 12V and Ground). The official recommended limits for the 8-pin PCIe graphics cable is 150W, but it will carry quite a bit more. It's just a sense pin, if it's the cable that came with the psu in question it's fine. . Status: offline. I also noticed that attempting to plug in the 24-pin ATX cable first from the bottom of the socket and holding the cables at that angle has a higher tendency to trigger the RGB and case fan instances I've mentioned so far. [Troubleshooting] one of the pins in the 24 pin connector missing, only getting 2 green phase LED lights on mobo . 26,965 Dec 24, 2016 #2 Hi Is this for a modular psu ? Apparently pin 20 -5volts is usually left out as it is no longer required ( pin 20 has a White wire ) Are you sure pin 2 is missing. You will need a small flathead screwdriver or a connector removal tool specifically designed for the 24 pin connector. 12-16-2020 06:38 PM. Your CPU will draw around 140w max without overclocking. 0. When I read sub-reddits some said replugging in the ATX Cable helped them and when I unplugged it I noticed my 24 pin connector (the part which plugs into the motherboard) has a connector slot missing in the middle. Commendable. The larger problem is that this is a new platform and a cheap, mediocre, group-regulated PSU that's now a decade old. a_bigdonger •. Hello I am in the process of connecting my XFX TS550 psu to my pc and on inspection of the 24 pin power supply cable that goes into the mobo there was a pin missing inside one of the sockets. Aeacus. This way the 20 pin connector can be used on a motherboard with 20 pins. 0 Controller Included) - for Motherboard. All the videos I've seen show a 2x 8-pin to 16-pin connector so I'm wondering why/how is 2x 8-pin enough with this PSU and the GPUs ship with 4x 8-pin to 16-pin adapter?Other Front-Panel Connections. They have removed pin 3, pin 2-3, or pin 6-7, so the cables can be charged for iPhones ( explain here ), but I worry about the transmission data. 2k. I have received my AX1200i PSU today and I noticed that the 24 pin connector has one pin missing. The 24 pin socket is missing one pin. Then you should be able to reconnect the cable to the motherboard. But, it can be done. The missing pin part goes into the PSU itself. Asus says that thor p2 is suitable for RTX 4090 and will ship with that 16-pin PCIE 5 cable that can push 600w of power. 20. 2. So I just pulled this older psu out of a server pc that was going to be thrown out hoping to use it In my rig, but I plugged it in and it didn’t work. Our power supply units (PSUs) use. Match the clipping point on the port to the wire. It has the last four pins on a detachable section that slips out, so you can plug it into an older motherboard (see the diagram above). 1. 3 volts (there's no orange wire). Missing bonus material. See full list on powertechhouse. 99 $29. Shipped by Newegg. And 2molex to 8 pin reduction. I am currently moving my prebuilt Dell into a new case ( I know I know prebuilts). Vader. These cables are specifically designed to work with our power supplies using the Type 4 pinout including our SF Series™ power supplies. 0V). . Many computer cables have pins on one or both of the connector ends, and those pins cannot be bent, broken, or missing. 2,508. This is an "extension cable" You have to use the original 24-pin cable that came with your mobo, hide it all somewhere, and then use the red/black extension to continue it to the mobo. 00. The thing is, the atx connector only has 23 wires, one wire is missing. That wire doesn't carry power anyway, and just pigtails to the second pin at the connector itself on the device side. but i'm unable to connect the "40-Pin" data cable to the new board. NFL. For this reason, one of the two connectors does not have the RPM wire and only the fan on the other connector will transmit a single RPM signal. No type of connector can be physically plugged into the GPU other than a GPU power connector. Posted March 5, 2017. When I looked at the 24 pin cable for the mother board there seems to be a pin missing. Power off your PC and unplug the power cable from the power supply unit (PSU). The new 24 pin connector added one line apiece for ground, 3. Pin 20 is NC on OEM while pin 2 is NC on the Cablemod cable. See, my line of thinking was that it wasn't the wall-psu cable that was affected, but highly likely that when the adapter was used (a 6-pin to 2x 6pin) that the actual 6pin wire from the psu melted, since 2x 6pin can pull upto 240w through an original 120w line. Since this is a higher end unit it has additional V-sense circuitry that is signaled by the four additional cables going into the 24-pin. By PPBPPBSo heres my problem, Mobo has 24 pin connector. It's normal. if it's the 3v3 line coming from the board, it could be intermittently shorting out that line to ground, because it'd have to go trough mobo traces it's very possible it doesnt trigger ocp on the rail, because 3v3 only needs around 1 ohm. F. My corsair rm850x white 24 pin cable missing a pin as i can see its number 20 its that a normal thing i can see it anywhere so i think its came like that can someone confirm if its like that ?. (English sorry for my bad)USING a 24 PIN PSU with 20 PIN BOARD. I know the 8-pin connectors on the PSU end are always missing a pin, but in every picture I've seen it's the last slot on the connector that's empty. Question from CL8N2DO : "PCIe 6+2 psu cable supposed to be missing a pin?" [quotemsg=19320188,0,2419739]On my psu side of my modular cable. As mentioned in the manual, you can use either the 8 pin only, or the 8 + 4 pin. Screw terminal for each of the 24 lines, plus shield. Align the plugged hole on the wire with the missing pin on the board. Why is that missing? Will the motherboard still work?. the power supply is listening to one of those wires (power switch-key) to tell it to come on. Rating: 145 product reviews. January 21 in Troubleshooting. Premium Powerups Explore Gaming. 24 0 4,510 Jan 26, 2015 #1 So, I have a Corsair CS550M semi-modular power supply. Strimer Plus V2. The clip seems to go over the the protrusion on the socket, but not all the way; it's not snapped into place. Standard input SATA-22P(15+7) male. Sep 22, 2020 #3 PC Tailor said: Cables and connectors are two different things. Carry on, all is well. 19. that 8 pin should break apart into a 6+2 aswell, even the image looks like it does. 99 (3 Offers) Free Shipping. Is this normal, or is it a faulty cable that I have to return? Corsair RM650I powers supply by the way. if i were to guess they are using 2 pins on the GPU end looped together, and probably ground vs sending another wire the length of the harness. Either way, you will need to find a cable that says either PCIE or VGA, and connect it to your video card. Not like it fell out or anything, there's just no cable running there. It's just a sense pin, if it's the cable that came with the psu in question it's fine. The stories about power cables burning with the NVIDIA RTX 4090 graphics cards made September and October “hot” months online. You can actually plug a 20 pin connector into a 24 pin motherboard and it will work. This means you have 3 x 8 pin (6+2) PCIe. So my question is how did my PSU connector got burnt. or request an RMA ? Thanks !Type 4 Gen. As a result, it has a maximum power. That's it. Or check it out in the app stores Home; PopularCORSAIR Premium Individually Sleeved Type 4 Generation 3 ATX 24-pin cables feature a flexible paracord sleeve and in-line capacitors that reduce ripple and noise, ensuring clean voltage. All previously-used cables are visually-inspected and tested to ensure proper operation. I think that 8-pin one is sometimes 4+4 because my old one had it. All went well except I was a little confused by the 24 pin cable. I'm not using a fan grill either. Storm19442 • 5 mo. The -5V pin is no longer present on the version 2 connector, but otherwise pins remain in the same relative location (although numbered differently for pins 11 upwards). The PSU is my only issue. $ 48. There is a separate 4-pin connector on the MB where the ATX +12v 4-pin connector goes to provide extra power for the CPU. Power supply has 20pin +4 pin connector I plug everything in, theres a green light lit on the motherboard. Then connect the 20+4 pin connector to the motherboards 20 or 24 pin connector. Depending on how the Power supply and case are manufactured, the orientation of the power supply may differ. Choose Options. am i missing . Highly customizable addressable RGB extension cables. 3) 20+4/24 pin connector. Scratched head. I counted the pins. My question is do I need to have the 24 or is the 4 and 6 fine? The computer is an Acer Aspire with a microstar M5-7829 motherboard. The connector set on the left is the common Molex 6-pin (2 rows of 3). -UserRemoved-. i have a 6 pin but theres 2 pins missing in it so its like 4 pins with 2 empty sockets WTH is that normal? plz let me know if the psu is. GPU power connectors have different hole shapes. [Graphics Card & PSU] How to plug in the 16-pin power cable properly. The new 24 pin connector added one line apiece for ground, 3. Any help is much appreciated. 3GHz, 5. CD4514) in sequence giving 32 possible channels. The PCIe connectors draw power from the PSU and deliver that necessary power to GPU. ATX 2. Pin 9 was removed from 14-pin cables because the key signal became obsolete with modern computer monitors and was no longer used in the default. My cable is 24 pin on one side, and 18+10 pin on the power supply side. As motherboards can process only one RPM-signal per fan header, it would cause problems if the cable transmitted RPM-signals of both fans. 48. Power Supplies. The missing pin here is pin 9, which is supposed to be missing. #1. Route the CPU cable along the right-most channel and through one of the top openings,. You could also try to figure out the pinout of that custom connector and cut the cable from old psu and connect it to your. Go to solution Solved by Spotty, January 21. . M. I noticed a vacant spot where i have never seen a vacant spot before on a 24 pin. Free Shipping. The end that goes into the PSU is missing 2. Discussion PSU recommendations and power supply discussion thread - Tom's hardware. They designed the 8-pin cable to fit both the 8-pin and the 6-pin sockets. On 8/13/2015 at 9:14 AM, EBGamer025HD said: Are you sure? Oh on the PSU end it's perfectly fine the are all pinned differently for each PSU. Mar 18, 2014. ya i was asking because the cable name is 24 pin and its 23 pin but as someone said they removed it for some reason in 200328. #3. The four new PCIe slots each require one extra pin on the P1 connector. Look at the direction the pins are staggered. It's missing 5 and 15. The second cable may even have the 4+4 pin split, so it's easier to plug in. The row with an empty pin slot would be the psu side, and that row is for 12v. It's a redundant PSU from a PowerEdge Tower, and while it has an ATX 24-pin connector to the motherboard with most of the standard pins, it's in a proprietary pinout and has different pin counts. Before removing the 24 pin connector, make sure you have all the necessary tools and equipment. Test the psu by taking a paperclip and bending it so one end can go into the green wire whole and the other one can go into any black wire whole the pug it in and if the fan on psu turn on and spin then your psu should most likely be working. ATX 24-pin cable. Is that still ok? Gigabyte GTX 980 Ti G1 Gaming / Intel Core i5-4690k / Corsair Hydro Series H100i GTX Liquid CPU Cooler / ASUS Z97 MAXIMUS HERO VII / 8GB G. They should latch into place (there are little latches on either side of the pins). Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the. The 8-pin connector looks as if it might be split apart, but I'm not sure that would be advisable. When I got home, I noticed that there were only 6 pins on the aftermarket connector as opposed to the 8 pins on the original one. If your VGA connector doesn’t fit, check pin 9 (center row, second from the left) to see if it’s missing. 9. However, whether the cable works or not depends on which pin is missing. Posted by u/UTOPIAN10169696969 - 1 vote and 4 comments. CPU: Intel i7 6700k | Motherboard: Gigabyte Z170x Gaming 5 | RAM: 2x16GB 3000MHz Corsair. The side of the cable which has a 24pin connector plus 4pin connector is the side that goes in to the power supply. This is done via the 20-pins or 24-pins connector. KeyReturn4397 • 1 yr. Sure, but the point of 20+4 (rather than just 24) is that it's backwards compatible and will be able to run a board with a 20 pin connector. J. Single USB 2. The original ATX standard supported a 20-pin connector with a very similar pinout as the 24-pin connector but with pins 11, 12, 23, and 24 omitted. 25mm – FPC flat ribbon type data cable. The old power supply hooked up via a four pin and six pin connector. $5. FPC Connector: Distance between center of Pin 1 and center of Pin 24 = 28. #2. It should have a 24 pin cable and 8 pin EPS (for the CPU) connection hard wired to the PSU. (191) Phanteks PH-CB-CMBO_GR Universal Extension Cables Kit (PH-CB-CMBO) - 1x 24pin ATX, 1x 8pin (4+4) EPS, 2x 8pin (6+2) PCI-e Extension, 500mm. Corsair CP-8920224 Premium Individually Sleeved PSU Cables Pro Kit Type 4 Gen 4 - White. I have received my AX1200i PSU today and I noticed that the 24 pin connector has one pin missing. From left to right are Type-E (Gen2) and 19-pin (Gen1) USB3 cables, USB 2. 4 pin + 4 pin/8 pin 12V Power Connector – Plugs into Motherboard. This is a Corsair RM850x SHIFT PSU. Missing a pin on a 24-pin connector? I just ordered parts for a pc build, and I found something odd with my power supply, a Thermaltake SMART Series SP-650PCBUS 650W. Pinout for 4 pin is 12V, Ground, Tach, and PWM. just like in that pic yes. Hey all, I recently bought an LGA 1155 ASUS motherboard labeled "for parts or not working" on eBay. 0. PSU coil whine caused by 24-pin motherboard connector ? Sticklando; Jul 31, 2023; Components; Replies 2 Views 825. *Location of ports may vary by board. The cable shows that piece deeply embedded inside the left tube, around the center pin. So it's fully populated. On the desktop, press Windows key + X and select Control Panel. I've read that the -5v was phased out after 2003 or so, so it's very common. The missing pin 20 of the 24-pin connector was for a -5V that's no longer used, not an issue there. But, according to Redditor, he manipulated the cable carefully and. There are also a few older power supplies which inexplicably have SATA power cables which are missing the 3. Hello, I have a x470 MSI gaming motherboard and I finished a build using one but once I tried to turn it on nothing powered. Available Direct from Vszerda. Connect the USB module cable to this connector, then install the module to a slot opening at the back. The common application would be for 2 fans that are performing the same function such as, on an AIO or top, top or bottom case fans. In the picture below, you can see there is a missing cable (and therefore contact point within the plastic header) in the CableMod version, but not the included EVGA cable. Align the plugged hole on the wire with the missing pin on the board. This is my first pc build and im unsure wether this is normal or a problem. 2. (12) $4. Hello, I have just received my Corsair AX1200i and when I tried to connect the 24 pins cable to the motherboard, I noticed that it is missing 1 pin on the moatherboard's side of the cable. 10. 5cm Sync for PC MB Cable Motherboard Extension Kit Black. Z. Sponsor : LEGACY TOPICS. Sep 4, 2013. #9. Your leads molexs are missing the 5v pins and one of the grounds. Mediocre Internet User. It has two wires per pin on multiple locations on the 24 pin side, that split out to various terminals on the PSU side, making it damn near impossible to sleeve cleanly. This means the newer 24-pin power supply is useful for motherboards that require more power, and therefore eliminates the need for ATX 12V power supplies to provide an. Compare. c. The ATX12VO is a 10-pin power connector that Intel has been pushing since a year ago to replace the conventional 24-pin power connector on modern motherboards. Use your fingers to press down on the. These are used for -5v and -12v. Many computer cables have pins on one or both of the connector ends, and those pins cannot be bent, broken, or missing. Full Collection of JMT Premium Power Supply Connector with. 3 volt source, removing the need for motherboards to derive this voltage from the 5 V rail. The best choice is to plug a 4 pin cable into a 4 pin connector, an 8 pin cable into an 8 pin connector, or a 4+4 cable into either kind. i wouldnt suspect the loose connection problematic, rather the problem would be what that loose cable could be zapping. There are two types of VGA cables: 14-pin and 15-pin. But, it can be done. b. Edit: or not, forgot about the +4 pin. Yesterday, I decided to check the power cables of my PSU and installation of my hardwares but I saw that one pin of my PSU's 24 pin connector was broken! I've shared a video of my PSU below. you can plug a 20 pin cable into a 24 pin motherboard and it will work just fine. Available Direct from Qinghai Electronics. :) After a month of usage my PC started having problems. please clean out that cpu cooler and if you have some, replace the thermal paste, it's probably dried up by now. A wire missing won't hurt anything, but a wire in the wrong place could. As motherboards can process only one RPM-signal per fan header, it would cause problems if the cable transmitted RPM-signals of both fans. So my question is how did my PSU connector got burnt. 142,790. Target: For all applications where you need to replace a floppy drive unit with a 24-pin data connector with a FlexiDrive. 0GHz all-core, delidded. 0. Valheim Genshin Impact Minecraft Pokimane Halo Infinite Call of Duty: Warzone Path of Exile Hollow Knight: Silksong Escape from Tarkov Watch Dogs: Legion. EZDIY-FAB ATX 24-pin 90 Degree Power Connector 5V 3 Pin ARGB Rainbow Female to Male Power Adapter for Computer Motherboard ATX Power Supply-1 Pack. Motherboard: Asus Maximus XI Hero. Search for adapter cables for your Dell /// you should be able to find an adapter cable that converts your 8+4 to 24+4 / 8 the 4 pin cpu connector should be compatible with either EPS 8 pin or ATX cpu power. 1,035. You also have a second 4+4 pin cable you can plug into the remaining 4 pin connector. A standard VGA port has 15 pin receptacles, organized into 3 rows of 5 pins each. Dec 14, 2015 68 0 10,630. Compatible with L-Connect 3 for personalizing light effects. :p I just opened my PSU and saw that there was a missing pin on the 24 pin connector. EVGA 3x SATA Cable (Single) *Accessories shown in the images above are subject to change without notice. You can, as mentioned above, depin the plug and repin it to the correct layout, you just need a depinning tool (not the type pictured above, that's for 4-pin molex plugs, you need the type that's shaped as a 2-prong fork) and preferably a multimeter to test everything. You connect two 8-pin PCIe power cables to two 6-pin sockets on the HD4890 leaving two pins on each cable unattached. That's just a leftover from a previous 24-pin standard when it had -5V. Was installing it in my PC and noticed that the 24 pin connector has one pin missing! The corresponding wire is missing too! Here are a couple of pictures I took: I've heard so much about the quality and reliability of Corsair's products. Corsair Product Discussion. that is the MT psu in photos, the motherboards and PSU are different for sure the small SFF with a stepped psu. 7,960. 20. Many new ATX12V v2 compliant PC power supplies come with a dual 24/20 (sometimes called 20+4) connector for backward compatibility. So you have a couple of things to look at when you are talking about 12V wiring in computers. I was inspecting my system, and one of the fan connectors (Not the CPU header the 2 headers that the fans connect to) has a missing pin in the middle. The Power Supply has no connection to Pin 14 of the 24 Pin Motherboard. List anything you've done in attempt to diagnose or fix the problem. It will work but only to some extent. 99 (3 Offers) $8. The Power Supply has no connection to Pin 14 of the 24 Pin Motherboard connector. J. 295. I have seen several cables that on the side with the clip it's missing a pin about two over from the clip and the. If it isn’t normal I’ll go to micro center tomorrow and return it so ple. The lack of an additional 4-pin connector is usually not a problem.