Look at the direction the pins are staggered. Just got a evga power supply in and slotted it in and i noticed a missing pin in the mobo 24 pin connector. If you can't resolder a new pin back on, you can replace the drive electronics (That exposed, green PCB board on the bottom of the drive). Upvote 0 Downvote. I need to buy a new 8-pin EPS12V and was wondering if i need a type 3 or 4 cable. On 2/5/2019 at 8:25 AM, Mira Yurizaki said: The missing pin is the sense pin: Not sure why it's missing though unless the connector on the GPU is shorted to the other connector's sense pin. Jan 11, 2021. 99. 4,090. If it’s loose, try. If that was the 8-pin PEG connector, the wires will be in reverse with one of the +12v wires as ground instead. -5V was dropped from the standard so long ago I can't even remember when it was. 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 ?. 13. This connection is usually on the underside of the cable so it wouldn’t be visible. KeyReturn4397 • 1 yr. I have a Corsair RM650 (black label) so I. Swipe for more. The Power Supply has no connection to Pin 14 of the 24 Pin Motherboard connector. 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. Many computer cables have pins on one or both of the connector ends, and those pins cannot be bent, broken, or missing. 91. 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. The extra four pins are "sense wires". But since 4 pin peripheral connectors only supply 5 and 12 volts, the SATA connector is missing 3. 12-16-2020 06:38 PM. The larger problem is that this is a new platform and a cheap, mediocre, group-regulated PSU that's now a decade old. Any ideas? I look through most cable sleeving guides on youtube (lutr0o, singularity. I read different sites which stated that monitors started smoking. $. 4,542. That wire doesn't carry power anyway, and just pigtails to the second pin at the connector itself on the device side. 99 (3 Offers) Free Shipping. 2-2280 Boot Drive/Some Games)|| HDD: 2X Western Digital Caviar Blue 1TB (Game Drive) Logitech G502 Hero SE RGB Logitech G513 Carbon RGB. Is this normal, or is it a faulty cable that I have to return? Corsair RM650I powers supply by the way. You can't readily push the pin back in when it's plugged in, but what you can do is unplug the entire cable, then push the pin back into place. #1. I was setting up my corsair h100i GTX when I noticed that one of the pins may be missing to connect the pump to the fans that attach to the radiator. CD4514) in sequence giving 32 possible channels. that one is 4 + 4 pin on the other end, where PCIE is 6 + 2 the PCIE cables have 3x 12V and 5x ground. If it isn’t normal I’ll go to micro center tomorrow and return it so ple. ATX 24-Pin Power Connector. Expected TDP of 75W. Just Google "standard 24-pin connector" and you will find pictures that show it. So it's fully populated. H. 537. CryptoA 24-pin cable that is 610mm EPS12V cable that is 650mm PCIe cable that is 600mm to the first connector, then 750mm 3 SATA cables that are 800mm long and has four connectors each. Pcie uses three 12v pins whether it’s 6pin or 8pin. Uhh my evga 400w has a wire and pin for the 20+4 pin connector missing and I’m just wondering whether that’s normal or not cause I just built my pc and it wasn’t turning on so I’m doing troubleshooting, here’s some pictures. Not really. Match the clipping point on the port to the wire. Shipped by Newegg. Joined Mar 9, 2018 Messages 178 (0. Teddy70tr New Member. JPWR1 (24 pins) is the main ATX power connector, while JPWR2 (8 pins) is the CPU power connector. Why is that missing? Will the motherboard still work?. Another GeForce RTX 4090 owner has fallen victim to the native 16-pin power connector meltdowns. #9. This is normal, since the pin is not needed for the connection. Jan 9, 2017. The wide 24 pin cable plugs into the matching 24 pins on the motherboard. Nov 7, 2015 #11 Already sent a support ticket, but anything i can do to make my pc work? Upvote 0 Downvote. Run the 24-pin power to the center channel to plug it into the ATX power port. Supports addition of 0. The point of 20+4 (rather than just 24) is that it's backwards compatible. Is this normal? The problem is that my rig won't power on. EN-Labs ATX 20pin to 24 Pin Power Adpater Cable, PSU 20-pin to Motherboard 24-pin Power Converter Cord - 20 Pin Female to 24 Pin Male - 6 Inches. The 4 pin connector on that adapter is a female connector while the mobo needs a male connector. 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. It did not melt even slightly but it had a blackish look. One site would say that only one pin was supposed to be missing, another said two, then I got to a site which said that power from the monitor could leak into the computer and fry it :-( The web is filled with horrible information from idiots,. I am currently moving my prebuilt Dell into a new case ( I know I know prebuilts). However, there’s an even simpler (and cheaper) solution: a 90-degree 24-pin adapter. 3 volt source, removing the need for motherboards to derive this voltage from the 5 V rail. 14-pin cables will work in most applications, but 15-pin cables may be required for wider display compatibility. 1-2 and 1-3 for Item 1 . For example, in Figure 5, the valid Rp-Rd path corresponds to. Jan 26, 2015. alzee76 • 3 mo. One site would say that only one pin was supposed to be missing, another said two, then I got to a site which said that power from the monitor could leak into the computer and fry it :-( The web is filled with horrible information from idiots, flamers, and trolls :( After getting the. It’s 24 pin connector only has 23 pins. g. Add to cart. The PSU side of modular cables have no standard, so it'll vary drastically by manufacturer and model. zelollarn Honorable. #052-1511-4. This is done via the 20-pins. You won't have to worry about losing power when you have power cords and power cables. 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. 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. changing the link speed in the driver has no difference, it still won't connect to the gigabit router at all. Your ASUS motherboard requires two psu power connections - a 24 pin power connection and an 8 pin power connection. Our power supply units (PSUs) use an 8-pin EPS12v CPU cable that can be split into two 4-pin connectors. Lanhui Power Supply PSU 24 pin ATX Mainboard Motherboard Adapter Connector Cable Dual. Replies: 24; Review Comments. 99. G. There are basically three possibilities here: The cable is missing some wires / violates the spec. 42,965. You're reading the pin numbers wrong. – ComputerUser121212. I didn't find so far a more compact version. It’s 24 pin connector only has 23 pins. 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. The one on the right is from RC models, it’s a JST 2. . The difference is 24pin is one connector whereas 20+4 means a 24pin connector but the last 4 pins detach. Feb 19, 2014 115 0 10,680. Free Shipping. However, the male end of the VGA connection is missing a pin in the middle row. CORSAIR COMMUNITY Survey, we want to hear your feedback! The 24pin cable of AX1200i. Newegg also has a. 18,510. On 2/5/2019 at 8:25 AM, Mira Yurizaki said: The missing pin is the sense pin: Not sure why it's missing though unless the connector on the GPU is shorted to the other connector's sense pin. V. Since around 2003 the -5V rail was removed from ATX specification and as a result. 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. 3V. No type of connector can be physically plugged into the GPU other than a GPU power connector. See full list on powertechhouse. I checked the 24 pin connectors and two of its pins were burnt. "The only difference between Type 3 and Type 4 cables is the pinout of the 24-pin ATX cable; all other cables (SATA, PCIe, etc) are the same. Pin 20 is NC on OEM while pin 2 is NC on the Cablemod cable. Totally normal, phantom terminal, the wire was removed from the 24-pin ATX standard maaaany years ago. or request an RMA ? Thanks !Type 4 Gen. The only difference between Type 3 and Type 4 cables is the pinout of the 24-pin ATX cable; all other cables (SATA, PCIe, etc) are the same. Dec 15, 2020. 9. They both work the same. Last I checked they ditched it in favour of same 3-pin ARGB header others (ASUS, MSI). hit the power button and all it does is move the fans for a second then nothing. With the 24-Pin ATX cable, one SATA cable, and the CPU power cable, I am able to power on the system and have installed Windows on the SSD. Then connect the 24-pin cable to the motherboard to update it with the flash button without CPU and RAM but the PSU does not power up, neither does the motherboard. PCI-e connectors are different, the 6 pin pci-e connector has 3 12v wires and 3 ground wires, and the pci-e 8 pin connector only adds two ground wires on the side. Its generally not even safe to cross cables between the same models with different ratings because of that. If you look inside the end of the vga cable the pins are numbered (at least the first and last pins will be). As you can see, the holes are shaped differently and are foolproof. 0 cable. modDIY ATX 24 Pin Female Connector Housing Black. Type: PSU Cables Pro Kit Color: White Connector Detail: 1 x ATX 24-pin 2 x EPS12V/ATX12V 4+4-pin 4 x PCIe 6+2-pin, dual connector 2 x PCIe 6+2-pin, single connector 8 x SATA 8 x Peripheral Specifications:. 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. The compatibility list page also has a disclaimer stating that the only difference between Type-3 and Type-4 cables is the pinout of the. I did not want to leave a blank space on the mobo side as it would look ugly imo. 24. May 5, 2015. I believe only one of those 4 pin connectors will fit, they are keyed to the particular socket. But if I want to use a new PSU on the old mother oard that has all pins but the PSU is missing one? r/buildapc. Use your fingers to press. 35. There are two types of VGA cables: 14-pin and 15-pin. 2. You must plug a cable into this motherboard connector or the CPU will receive no power. #3. Cable Clip Numbers: 4x 24 Pin, 12x 8 Pin, 6x 6 Pin: Series: Cable Kit, Accessories: Warranty: 3 Years. Sort by date Sort by votes RememberThe5th Illustrious. For example, NVIDIA’s GeForce RTX 3060 has both types of connectors. By M1K33EE. 1) The PCIe cable that plugs in to my GPU (the weird looking one that splits into 2). i wouldnt suspect the loose connection problematic, rather the problem would be what that loose cable could be zapping. com The 24 pin connector used to have a wire for -5v which was used in ISA slots. I would ask them why connections are pooping out , and why the wrong connection is missing on your 24 pin cable. $5. 1. 0 coins. Note: The Cable has 1x4 or 1x3 or 1x2 port, all must be connected to PCI-e power supply cable. 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. 1. Dell's proprietary OEM 12V only standard will have a 4-pin and 8-pin power 12V connectors to the motherboard. 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). $ 48. I am also using the Corsair RM750e Power Supply. Re: 24 Pin ATX Motherboard Cable only has 23 Pins Tuesday, April 26, 2022 7:44 PM ( permalink ) Have you made sure the motherboard stand offs are all in the correct spots and nothing is between the motherboard tray and the motherboard? Next try making sure only the CPU, RAM, SSD are installed and a GPU if the MB you are using does. As far as the 2 pins on the right side of that cable that I just noticed go…those look a bit weird. Automatic speed control of both fans will work independently. Why is there a pin missing on my 24 pin connector? This empty pin on your 24 pin connector used to be home to a wire carrying -5V. HD Audio. I believe this is the end that should run from the PSU and the other end has a 6 pin plus a 2 pin part that. Buy SUPERPLUS 24Pin Right Angle ATX 24Pin Female to 24pin Male Right Angle Adapter for Desktop PC Power Supply ATX 24 pin 90 Adapter ATX 24 pin Cable: Power Cords - Amazon. 2) When the PSU is inserted into the location, The holes will line up as shown below; Secure PSU with provided screws. It has no business being in this system, even with only a 3050. 4070ti Power Cable Question. If you are missing cables then please let us know, there should be no reason to modify any of the cables. Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Any help is much appreciated. #7 · Mar 5, 2007. You're reading the pin numbers wrong. Most power is now provided on 12 V rails and the power on 3. Ribbons : 4. 4-pin Peripheral Power Connector / Molex Connector. View full post. Run the HD audio cable to the JAUD1/HDAUDIO port. Posted June 12, 2021 (edited) Author. PCI-E 5. Last edited: Jul 12, 2020. The side with the missing pin 2nd from the edge goes to the floppy drive, and the other end of the 34-pin ribbon cable should have a missing pin 3rd from the edge, which should match up with your motherboard: These are done like this to make sure that people connect the cable correctly, since otherwise it would be very difficult to tell which. There are two types of VGA cables: 14-pin and 15-pin. Btw sometimes the power cables come with your psu in the psu box but somewhat hidden in another compartiment. See … all. Choose Options. Nvidia's adapter has all four small wires coming out of that 4 pin section on the top of the connector. The Lian Li Strimer Plus V2 is a lighting kit that comprises 24-pin ATX and dual 8-pin PCIe power extension cables. Identify the 24 pin connector on your device’s motherboard. It should have a 24 pin cable and 8 pin EPS (for the CPU) connection hard wired to the PSU. 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. The extra pins made the auxiliary power cable unnecessary so most ATX12V 2. The extra 4pins are sense wires for voltage monitoring by the power supply. And also that it required having a couple standoffs with corresponding motherboard mounting holes on either side of the connector too. The problem I noticed was that the 12vHPWR connector sold by cable mods is missing two pin on the portion of the connector that has just the 4 small pin section. Can anyone confirm whether Pin 20 of the PSU end of the 24 pin Motherboard cable should be missing? It's an EVGA 650w Supernova G+. 0. This is dual 8pins cable from Corsair 500watt PSU. 24-Pin Centronics ('Amphenol' / 'CHAMP') connector. I tried to connect this to a Z230 (with a 18 to 24 pin cable). ago. 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. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V, 4-pin EATX12V) These connectors are for ATX power supply plugs. The issue is that some cables are missing pin. Commendable. Lian Li Strimer Plus V2 24 Pin (PW24-PV2) -Addressable RGB Power Extension Cable (Strimer L-Connect 3. Align the plugged hole on the wire with the missing. For DC, they all receive same voltage which determines fan speed. 78. Intel Z390 Rig ( *NEW* Primary ) That pin was a part of the ATX connector standard a rather long time ago. Older computers put most of their load on 3. Hmmm. I don't know if it has something to do with it, but the connector that goes to the MB has an empty hole. Without 20-pin to 24-pin adapter, you can fry the MoBo 24-pin connector slot. 1,510. Mediocre Internet User. #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. 48. Some DVI-D connectors will not allow a DVI-I cable to be connected as the hole for the extra pins are filled in. 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. 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. Sort of. the channel configuration pin corresponding to the “Active Cable IC” will be connected to a 5-V, 1-W supply to power the circuitry inside the cable. Solder pad connection space for all 24 lines plus shield. I tested the 24 pin cable using the testing "kit" in the power supply and when I connect it the case lights up but when I plug the same 24 pin cable to the motherboard it. It's missing 5 and 15. 1. 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 splitter is essentially a parallel circuit. But if there's no -5, then the 20 pin board may not have one of its required voltage rails. Run the 24-pin power to the center channel to plug it into the ATX power port. 24-Pin Power. Hello everyone. As mentioned in the manual, you can use either the 8 pin only, or the 8 + 4 pin. 9-pin vs 10-pin serial port ribbon cables. pin #3 - sense (RPM feed back to the MoBo) pin #4 - PWM (PWM control for 4-pin fans) There's no need for a 3rd pin in Y-splitter for 2nd fan since. This is done via the 20-pins or 24-pins connector. ATX specification 1. I've read that the -5v was phased out after 2003 or so, so it's very common. That particular power supply should have two 6+2 pin PCI-E connectors (it's a 6 pin with attachable 2 pin). 5mm SM 6-pin latching connector, flat style. These cables are specifically designed to work with our power supplies using the Type 4 pinout including our SF Series™ power supplies. Yes, you do need to connect both cables. Plug those split 4+4 connectors into motherboard. Step-by-Step Guide to Remove a 24-pin Connector from a Motherboard. #6. As far as I know there used to be a wire there with old PSUs, but newer ones don't use it, so it's just a leftover thing. Obviously you would only use have of the 4+4 pin. Jan 2, 2018. With. 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. Pinout for 4 pin is 12V, Ground, Tach, and PWM. 7,960. Looks normal to me. Corsair CP-8920224 Premium Individually Sleeved PSU Cables Pro Kit Type 4 Gen 4 - White. Depending on the PSU, it may or may not be fully populated on the PSU-end. Sep 22, 2020 #3 PC Tailor said: Cables and connectors are two different things. google searches give no clues. But, according to Redditor, he manipulated the cable carefully and. Yeah, looking at the connector itself, it seems to be a fairly normal USB 2. 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. Mar 18, 2014. Any rocking side-to-side is not. The 18- and 10-pin cables combine to the 24-pin you plug into the motherboard. Wire gauge, expected load, and connection standards. The Type-E connector is keyed on the outside with metal tabs on its edges so that if it can’t plug in one way it will the other, the. There is just a blank hole where the wire should be. These are used for -5v and -12v. $ 45. But there's another problem: the adapter sticks out too much because of that L shape. P/N: W001-00-000148. 4 Premium Individually Sleeved Cables. Understanding Of PCIe Connectors. With the 24-Pin ATX cable, one SATA cable, and the CPU power cable, I am able to power on the system and have installed Windows on the SSD. A wire missing won't hurt anything, but a wire in the wrong place could. Type: Power; Color: Multi-Color; Length: 6" - 10" Connector Number: 2; Model #: ATX20P224P6; Item #: 9SIACJF5497347; Return Policy: View Return Policy $B-end is a Lenovo-specific 7-pin PS/2 connector, which you connect straight to Lenovo motherboard. I guess it's supposed to connect last. This is my first pc build and im unsure wether this is normal or a problem. Building a PC and the strangest thing is happening. Best thing you could do would be to grab a digital multimeter and measure what you have on every pin. This splitter is normal. The Colored Extension Cable Kit offers enough extension cables to fully support a 16 EPS pin motherboard and two 16 pin GPU build. Limited time offer, ends 11/30. Product: Envy 750-625rz. The second cable may even have the 4+4 pin split, so it's easier to plug in. CPU: Intel i7 6700k | Motherboard: Gigabyte Z170x Gaming 5 | RAM: 2x16GB 3000MHz Corsair Vengeance LPX | GPU. As motherboards can process only one RPM-signal per fan header, it would cause problems if the cable transmitted RPM-signals of both fans. A quality power supply will often be able to supply 300W+ on each 8-pin connector. It's just a sense pin, if it's the cable that came with the psu in question it's fine. PCIe slots are faster than the previous generation and requires more power. It used to be for the -5v wire, but MB these days won't use it anymore. 1. 295. There. There are a total of 28-pins where the cable plugs into the PSU's modular interface, instead of the usual 24-pins. SATA Connector – Plugs into SSD & HDD. It is a "phantom terminal" that was removed from ATX design specs many years ago. Hoperacer LLC StoreVisit Store. But if there's no -5, then the 20 pin board may not have one of its required voltage rails. Version 1, was a 20 pin connector (2x10), and Version 2 is a 24 pin connector (2x12): . Today I received my braided cable kit for the AX850. 0. Whether or not you use 20 pins or 20+4 pins on the motherboard side, you should always fully connect all of the connectors on the other side of the cable into the PSU. The connection on the motherboard would be to the "power switch" pins that are part of the front panel connector. One pin should be missing. off w/ promo code ABFCYA99, limited offer. . I sure wish the ATX Form Factor industry standard dictated the placement of the 24-pin connector. The new 24 pin connector added one line apiece for ground, 3. Compare. IBM didn’t want people plugging their old CGA or EGA. 0GHz all-core, delidded. I got the Corsair RM650x and was just about to connect the 24 pin to it just to find out it does not fit. Jul 23, 2011. Screw terminal for each of the 24 lines, plus shield. 0. page 133 up is SFF, behind that page is not his PC. 99. 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. You can actually plug a 20 pin connector into a 24 pin motherboard and it will work. If I recall correctly it was a -5V supply. #15. 4,252 3 3 gold badges 24 24 silver badges 45 45 bronze badges. Molex has +12v, two grounds and +5v. I checked the 24 pin connectors and two of its pins were burnt. . The high-lighted is your "missing" 12v connector. 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. 1. I'm not using a fan grill either. The missing pin is normal. 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. My cable is 24 pin on one side, and 18+10 pin on the power supply side. $5. VGA Cables. The 24-pin connector (it's split into 20+4) won't fit into the motherboard 24-pin slot. 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. These are 4-pin PWM fan headers, but can work in DC mode via a BIOS setting. Operating System: Microsoft Windows 10 (64-bit) The 24-pin ATX motherboard connector from the original 300w power supply is missing two pins, specifically pins #14 and #20. 99 (3 Offers) $8. Step-by-Step Guide to Remove a 24-pin Connector from a Motherboard. The primary task of the Power Supply Unit (PSU) is to provide your motherboard with power. Locate the 24-pin connector on your motherboard. 5. The upper limit is the sum of power provided by the PCI-e slot (75W) and through the 8-pin connector (150W). Then connect the 20+4 pin connector to the motherboards 20 or 24 pin connector. The "EPS/ATX12V 8-4 pin" cables are for your motherboard ONLY. 1. No other cables needed. I've been using it in my system for a while now, albeit without a GPU (I haven't been able to. 1. I think that 8-pin one is sometimes 4+4 because my old one had it. 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. If I plug the same cable into an old 100Mbps router the link is fine, even using a CAT6 cable. FAQs. The pin-out is not the same so you cannot plug it in without damaging your components. The missing pin part goes into the PSU itself. All previously-used cables are visually-inspected and tested to ensure proper operation. Yes, not all 15 pins are required for a VGA connection. -Wolf sends Edit: Motherboard Manual See Pgs. 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. It comes with a 24 pin motherboard cable, 4 pin cpu cable, and a 6 pin GPU cable. 12-16-2020 06:38 PM. P/N: W001-00-000144. Followers 1. 5cm Sync for PC MB Cable Motherboard Extension Kit Black. The point of 20+4 (rather than just 24) is that it's backwards compatible. 4 pin ATX +12 volt power cable. Pin 14 is for the -12Vdc voltage. 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. Jun 24, 2020 #12 Jun 24, 2020 #12. 6-pin PCIe is really a 5 pin connector. It’s typically located near the CPU socket or on the side of the motherboard closest to the front of the case. 3 or 5. This way the 20 pin connector can be used on a motherboard with 20 pins. Question PSU missing PCIe 6-pin ? sir_troy; Apr 20, 2023; Power. Could a missing 8th pin on a 24 pin connector from the psu cause a PC to start then run off again after less then a second? Search. 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).