Auf Workstations mit Linux oder Windows 8 ist HP Support Assistant nicht verfügbar. Next step is to gather up some copies of the Z420 Quickspecs. The Problem: I would like to learn how I can control the said fan speed ( Internal Reference Designator: P9 FRNTFAN )These different rails power different parts of the motherboard. Find many great new & used options and get the best deals for HP Z420 Motherboard (618263-001) at the best online prices at eBay! Free shipping for many products!. 2GHz processor. The buss speed (or something like. Product description. The HP Z420 Workstation Product name. The HP Z440 also supports DDR4 memory and NVME. 2. For others : this also has the optional Z420 airflow baffle (SP P/N 663346-001 = AS P/N 663070-001), and the stock rear case. Under the battery. After some Googling, it seems like it should be safe to place the fan header on the first 4 pins, but I'm. CPU: Intel Xeon X5675 1st Bench 68%, 4,275 samples. Amazon. 2 256GB AHCI / Passmark 9. Download the latest drivers, firmware, and software for your HP Z420 Workstation. Hello, here is my current HDD installed on my HP Z420 workstation : 500GB SATA 500GB 7. Fast UK and EU Delivery. +12V_B powers the motherboard +3. 5. when prompted during the Power-On Self-Test (POST). HP Business PCs - HP Client Security Manager and Windows 11 compatibility. Here is the Z420 motherboard P1 connector pinout: The +12V, -12V, and Ground pins are obvious, the +11V_AUX_PSU is an auxiliary voltage, PSON# is the power switch, pin 16 is a fan PWN signal, and pin9 lets the system know what wattage power supply is installed. The fact that you have a slow E5-2620 v2 processor is good news because that means you have a version 2 of the Z620 motherboard, which can run both the v2 (Ivy Bridge) and the older v1 processors (Sandy Bridge). The Xeon V2 Z420's only have ONE 6-pin connector. Quickly and easily swap out parts or make upgrades on your own. These BIOS updaters and the process is identical for the Z420 and Z620. Cpu support for Z420 Workstation I have a Z420 Workstation The motherboard is specified as the Hewlett-Packard 1589 as far as I can see. I recommend you get used ram on ebay that matches the part number. . I have installed 8 SAS drives into my HP Z420 into the 5. Quickly and easily swap out parts or make upgrades on your own. 1. 3Ghz going up to 3. I am using a Samsung - 7173209. Although the Intel Xeon E5-2600 processor family supports dual processors, the HP Z420 Workstation does not support dual processor configurations. Level 10. We have a video that will show you how to upgrade the power supply if you need more wattage for your graphic card of. 2 (Samsung SM951 AHCI), Samsung 860 EVO 500GB, HGST 7K6000 4TB, and used the Quadro P2000 from the z420. Their motherboards only had to support SandyBridge when the HP Z420 launched as IvyBridge hadn;t released yet. , If you change the motherboard to a different board 1) The Win OS is tied to the established motherboard. Make sure you have at least 4 DIMM (memory) modules installed. We would like to share some of the most frequently asked questions about: Battery Reports, Hold a charge, Test. Find support and troubleshooting info including software,. Printer Support; Computer Support; Poly Collaboration Devices; All; Software and Drivers ; Diagnostics . Ensure correct spelling and spacing - Examples: "paper jam" Use product model name: - Examples: laserjet pro p1102, DeskJet 2130 For HP products a product number. Shop z420 motherboard at an affordable price online or from your mobile. BIOS: Default System BIOS. Number of Memory Slots. 4. 6 rgb fans . If the boot block date is 12/28/2011, the Z420 supports only the E5-16xx v1 processors. It is however a bad choice for the following reasons: - no overclocking possibilities on the Z420 board - in terms o. HP Z420 Specifications: Chassis: HP Custom: Processor: Intel Xeon E5-2687W (8x3. 3 . I prefer the Z620 case and am wondering if I could swap the Z420 motherboard into the Z620 case. The V3/V4 CPU's are only compatible with the HP Zx40 workstations, (and require a different CPU socket). 0 Ghz. MORE OPTIONS. Both are E5-1650 v2 3. If you buying HP Motherboard and you don’t know the block date then you don’t know the CPU support. I have an E5-1560 v0 Processor with 24gb of 4 channel memory (confugured to hp service manual spec), and an SSD running the operating system. The avera. Then get a Noctua 3-wire LNA or ULNA for the 3 wires you're using and at least drop the 12VDC down to a lower level. 0. 0 Rating = 7147 / CPU 17461 / 2D 1019 / 3D 14464 / Mem 3153 / Disk 15451 / Single Threaded 2551. Mobo number: HP Z420 Workstation Motherboard 708615-001 708615-601 W8 PRO 618263-002. However, I installed a secondary drive, a Samsung 1TB M. HP does not have an official different name for the earlier vs later motherboard version ZX20 series workstations, but we in the forum here call the older type the "version 1" or v1, and the newer type the "version 2" or v2. 2 (current CPU Mark =14441) is rated in single-thread at 2193. Product description. 9 /3. item 3 708615. Support Resources. I will be happy to help. Diagnostics. . Hi, I'd like to use an HP Z Turbo Drive Quad Pro or other multiple-M. It seems that, all things being equal, without the extra QPI links to accommodate a second processor, a z420 will slightly. PSU, motherboard and CPU. 00 USD with shipping from eBay, and search for749554-001 there. 5'' 7200 RPM SATA Hard Drive. The primary reason for changing was that I usually have numerous (as much as 25 to 30) chrome windows open simultaneously (Web based research). What HP Workstation Z420 memory speed is supported? DDR3-1333, DDR3-1600 and DDR3-1866. 9ghz as well as Nvidia Quadro K5000. The fact that you have a slow E5-2620 v2 processor is good news because that means you have a version 2 of the Z620 motherboard, which can run both the v2 (Ivy Bridge) and the older v1 processors (Sandy Bridge). (ebay) HP Z620 - Liquid Cooled E5-1680v2 @4. Before replacing your HP Z420 PSU I would give the adapter cable a try - better to spend £3 on a cable rather than £100 for a PSU. simply click on the "blue" triangles to expand the listing to show the full details for each file listed. HP spent considerable effort and cost to develop the system for reliable, continuous full load use, including sufficient cooling. The z420 No. Country/Region: United States. 65. HP Z840. An update through HP is not possible. Will my pc HP z420 support RTx 2060 will that motherboard is capable (I know we have to use adaptor of 6 pin to 8 pin - 7820895. 2 (Samsung SM951 AHCI), Samsung 860 EVO 500GB, HGST 7K6000 4TB, and used the Quadro P2000 from the z420. 23 you'll then be able to update directly to the latest 3. 35V and 1. the z420 does not and will not support SAS unless you install a add in card that has sas support. download the Intel AMT software package for your workstation model and install it this installs the Serial Over Lan driver (SOL) and the nessary software to manage the AMT (and removes the yellow " ! ". Turn off your Z420, plug the USB drive into a USB2 port (not one of the blue USB3 ports). x version. 10. Right now, I'm looking into which processor to get for it. Intelligent, business-forward design. I want to add another 4 disks to Sata 2 - sata 6. Please note that SCU ports do not support optical drives; Just to confuse things further, according to the HP Z420 Maintenance and Service Guide; Please use the existing SATA II/III ports on the motherboard; Yellow = 2x SATA III ports (6Gb/s) Red =. . The setting for Virtualization is there, i can click on it and attempt to change the setting, it. not your graphics card. There are many components in a computer that contain their own BIOS (ROM) codes, (this enables them to communicate with the motherboards BIOS and CPU), such as GPU's, I/O or RAID cards, CPU + DIMMS (Microcode), DVD drives, etc. 170 x 399 x 442 mm (6. . Highest CPU in z440 = 17399, which calculates very approximately to an STM = ~2,300. RESOLUTION-The fix for this issue is BIOS revision 2. Jul 24, 2020. 11-24-2022 12:34 AM - last edited on 11-25-2022 05:44 AM by JessikaV. The HP Z420 Workstation is a Single Processor system with 8 DIMM slots. 35V (low voltage) and 1. Z440/Z640/Z840 BIOS history. Rear of computer . Let us. HP Z440’s are a single socket Xeon based workstation. The Z420 and the Z620 have a different decoder ring. remove all power connections from the supply, (and all means all!!) from motherboard to Hard drives, optical drives and so forth, then connect power cord to pwr supply. For example 682412-001 or 682413-001. Windows 11 Support Center. The boot block date you provide from BIOS is in fact for the version 2 motherboard in the Z420/Z620. Use the up and down arrows to select Virtualization Technology (VTx. The other reason why your PC would not qualify to run W11, would be the Intel processors series the Z420 model series comes with are not supported. Hi, Just wanted to let y'all know that the e5-46xx v4 processors do work in the z440, z640 and z840 workstations! HP's documentation only lists the e5-16xx and e5-26xx v3/v4 processors as working in these systems, but I purchased an e5-4655 v4 xeon 8 core (16 with hyperthreading) processor for $49 on Ebay and tried it in my z460, and it works. . You can see those on eBay, and there is the one for the main motherboard, and the other one for the mini-motherboard riser used on the Z620 to support a second processor. . Fact is that the sata speed is lower (3gig/sec) on the older chipset, so it could be a older motherboard, or this has to do with the kind of chipset, i dont know. The Ivy bridge-E, E5-1650 v2 has Bios version J61 v03. 2 256GB AHCI + Samsung 970 EVO M. Specs are 2011 build Z620, E5-1650v0 3. That shroud has two separate small PWM fans centered over the two memory banks. [Passmark System Rating: = 4455 / CPU = 9459 / 2D = 721 / 3D = 6480 / Mem = 2375 Disk = 4915 /Single Thread average for the i7-3770 = 2074 [5. Rather than powering your fan from the motherboard, I would recommend tapping power from the spare molex connector in the Z420 and using a simple dedicated fan speed controller such as this . 1 ACCEPTED SOLUTION. 5mm. In the Z420/Z620. Faster multicore CPUs need more channels to support their speed, and bandwidth. I have tried to install another 1TB storage drive but the problem is: The bios sees the drive in Device configuration but not in Boot order. 13 MB. . Plug the Z420 back in and try again. 7GHz / 64GB Hynix PC3-14900R 1866MHz / GTX1080Ti FE 11GB / Quadro P2000 5GB / Samsung 256GB PCIe M. the HP z400 power supply is NOT ATX COMPATIBLE the 24 pin connector does not match the ATX 24 pin out . 2 motherboards support the Xeon v1 or v2 CPU's and support ram clock speeds up to 1866MHz. Double the available memory to 16GB if possible. 5Ghz (about $80-90/ 8. Z420 desktop pdf manual download. The Z420 can run only 1 processor so you don't need. I would like to know if it shall support Xeon E5-2690 2. As you can see in my photo i have used an 8 pin EPS extender that splitts in two 4 pins because Z230 board use an 4 pin CPU power connector. As for what CPU's are supported in z420, google "z420 quickspecs" should find this doc which indicates a E5-2650 V2 CPU is supported. HP Z440’s are a single socket Xeon based workstation. I have built a system based on the HP Z420v2 motherboard. EDIT: For perspective, a E5-1660 v2 (SR1AP) has an average CPU Mark score 0f 10192. Specifications page for HP Z240 Tower Workstation. System Model: HP Z420 Workstation. The balance of clock speed to core count seems to be about the best with 8-core processors. New, they were $1,723, now under $200. 2 NVMe 500GB + HGST 7K6000 4TB + HP/HGST Enterprise 6TB / Focusrite Scarlett 2i4 sound. 24 CM (6 inches) of clearance at the front and back of the workstation as shown in the following figure. Built to support next generation PCIe Gen3 graphics, the HP Z420 currently ofers a breadth of AMD and NVIDIA professional graphics card options from Pro 2D to high-end 3D, up. It brings a higher level of performance and expandability to the mainstream workstation space with support for higher-end quad-core, six-core, and eight-core Intel Xeon processors greater memory bandwidth. 08-07-2019 11:29 AM. With up to 8 discrete processing cores, the latest processing and I/O power from Intel, and the latest graphics technology from leading graphics providers, the HP Z420 has the power needed to get the job done. 2 256GB AHCI / Passmark 9. i recommend you use a multimeter to confirm which row of pins are ground before connecting. 2K SATA 3Gb/s 3. great price. Hi all, I'm new to this forum (but long-time reader). On Page 33 it discusses, not the exact video cards, but the wattage that is supported. You could also use a E5-2687W, however that has a TDP of 150W and as per HP specs requires. 2GHz. Simply making a list of components will add the total power usage. They’re plentiul and cheap on eBay, as well as the faster. the 8 pin connector by the memory slots IS NOT A MEM (memory) POWER CONNECTOR. 5" HP Z420 Workstation Hard Drive. 3V and 5V regulators, some auxiliary CPU voltages, and some fans. I am the proud owner of a base level Z420 with the AS#618263-003 motherboard. 8 towards the. I have a Z420 workstation. The 20-pin P1 power connector has 3 +12V rails, as shown in the diagram I posted earlier. . Product description. If you want to purchase a barebones Z420 board, bear in mind that the main PSU power cable for the board is 18 pin. 1 ACCEPTED SOLUTION. 4 towards. HP Z210 Workstation Motherboard, with i7 CPU and cooler from retired system. You will need an 8pin CPU (EPS) cable extension because the 8pin CPU cable of the PSU is too short. 6GHz. 1. +12V_B powers the motherboard +3. The v2 Z420 motherboards can run all the HP certified processors that the v1 Z420 motherboards can, plus faster better v2 ones. 😁. RESULTS: - 4. how to update IFX TPM 1. A good balanced CPU would be the E5-1660, which is 6C / 12T and has a base clock of 3. Memory: 8192MB RAM. 7 /4. Use the existing HP CPU heatsink. e. One of the candidates is the E5-1650 v4 (6C@ 3. Any ideas, i think Motherboard or CPU must be changed. I used the paper clip trick on my power supply and the fan spins. Your account also allows you to connect with HP support faster, access a personal dashboard to manage all of your devices in one place, view warranty information, case status and more. I don't know if my motherboard is the problem. . 8 sold 4. You can't see this pic until a moderator releases it: How many eBay Z820 motherboard sellers will have a picture of the BIOS first page showing the boot block date to send along with a used Z820 motherboard? Never seen that. HP specs doest list e5 xeon v2 cpu support, but this is dependant on motherboard revision. 0 /3. Contact Us. There’s a bit of information on this online, but me being a complete noobie is making it hard to do. 2K SATA 3Gb/s 3. 13 MB. As such it can support use of the version 2 processors listed in the later QuickSpecs available by searching for Z420 QuickSpecs. The short version is: It returns beep codes for missing ram, cpu, etc but does not recognize that the graphics card is missing. 0 Rating = 7147 / CPU 17461 /. Any Xeon E5 v1 processor will work, a lot really depends on whether for your use you require cores or clock speed. V1 motherboards only work with v1 CPU's, but the V2 motherboards with work with either V1 or V2 CPU's. Intelligent, business-forward design. . Did you mean E5-1650 v2?It is interesting that of 580, z440's tested, there is only one E5-1650 v3 shown as overclocked. 13 MB HP Business PCs - HP Client Security Manager and Windows 11 compatibility According to page 2 of the HP Z420 Quickspecs the HP Z420 has only 6 SATA ports. 11-16-2016 07:35 PM - edited 11-16-2016 09:00 PM. The Rev. . HP z620_2 (2017) (R7) > Xeon E5-1680 v2 (8C@ 4. They're a plug and play swap, around. Printer Diagonostic Tools;. The 64GB of RAM consists of 4 x 8GB on each process which according to the HP Z620 Memory Configurations and Optimization guide is one of the best configurations for this amount of RAM. HP documentation states you can use Intel Xeon E2600v4 processors. CPU. 0Ghz. I have a Z420 workstation that I enjoy upgrading; currently it has plenty of 1833 Mhz RAM and the 6-core 3. The 20-pin P1 power connector has 3 +12V rails, as shown in the diagram I posted earlier. This happens more often when restarting, but that makes sense because the system temperature sensor is still reading as hot. Requested a refund and will have to re-evaluate trying to find a proper Z420 or just buying a newer motherboard for the Z620. Intel Xeon Hexa Core Processor E5-1650. Printer Support; Computer Support; Poly Collaboration Devices; Ink & Toner Cartridges; All; Software and Drivers ; Diagnostics . In the BIOS Setup, there are options to "ignore" any monitoring of the connection-points that are *NOT* connected to any fan. 3GHz / 130W). With up to 8 discrete processing cores, the latest processing and I/O power from Intel, and the latest graphics technology from leading graphics providers, the HP Z420 has the power needed to get the job done. HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstation Series User GuideNew member. However, let me give some high-level hints to keep users from preventing any system damage. Intelligent, business-forward design. HP Z620 - Liquid Cooled E5-1680v2 @4. 35V and 1. 21) given the original cost of $2,340. The average for all E5-2687W v2 is 16487, so this very small number of examples is showing slightly below average performance. It is currently in Slot 1. 8GHz has a high enough top clock speed for photo editing, graphic design,. EDIT: Posted this message just prior to seeing the previous post/image. Thus, electrically hole 6 is not needed to be used on the Z420/Z620 motherboard's 5-pin CPU cooling. Printer Diagnostic Tools; Computer Diagnostic Tools; Windows Support; Print And Scan Doctor;. If it's 2013 you have V2 motherboard. 9 /3. Enter your serial number to view full product specs. Hello I have purchased a z420 Workstation with the V2 motherboard (coupled with the v2 E5-2690 Processor). 2 NVMe SSD on an adapter card as a secondary drive. 4 Although the Intel Xeon E5-2600 processor family supports dual processors, the HP Z420 Workstation does not support dual processor configurations. Download the latest drivers, firmware, and software for your HP Z420 Workstation. often calculates a surprisingly lower power usage. 2 Technology. HP Z420 Desktop WorkStation. Hi guys! I've got an old HP workstation Z420 Motherboard (version 618263-002). use the search box: The ZX40 larger heatsink fits perfectly atop the ZX20 sockets. OEMs (HP etc) get complicated, as the boards themselves can be proprietary. Processor Test instance marking SR0KX. CPU: Intel Xeon X5570 1st Bench 69%, 2,341 samples. In the BIOS Setup, there are options to "ignore" any monitoring of the connection-points that are *NOT* connected to any fan. HP Z620 - Liquid Cooled E5-1680v2 @4. Bios don't see it. I have such SATA sockets on my z420 motherboard: - 2 pcs AHCI 6Gb / s (№0-1), - 4 pcs AHCI 3Gb / s (№2-5), - 4 pcs SCU 3Gb / s (№0-3) 4 SSDs and one CD-ROM are connected to the motherboard, that is five SATA sockets are occupied. 03-19-2021 05:07 AM. HP Z420 motherboard v2 ready; Intel Xeon E5-2670 CPU, 10 cores, 2. @Enzo080913 wrote: Hey! I'm trying to upgrade my computer to the Windows 11, and I just need the processor, so can you tell me what CPUs support the 82f2 a01 motherboard. I am using a new Samsung 980 NVme drive. The fact that you can run a E5-1680 V2 implies it is truly one of the v2 motherboards but I'd still confirm that. If the subject z600 is a first version, the best performance will be Xeon X55xx 4-core processors. 3V and 5V regulators, some auxiliary CPU voltages, and some fans. 2 256GB. Jumper positions: 1 2 3. you are correct that the "sandy bridge" cpu's lack pci-e 3. Product: HP Z420. Identifying components page for HP Z420 Workstation. Member; Resident prebuilt tinkerer; 5. With up to 8 discrete processing cores, the latest processing and I/O power from Intel, and the latest graphics technology from leading graphics providers, the HP Z420 has the power needed to get the job done. The HP Authored Document at the link below clearly states that the fans ARE controlled by the mother board and OS to insure correct operating temperature based on CPU and other component temperatures/loads. Please see this link for the Z420 quickspecs. 4) GTX 1080 + Kraken G12 + Liquid cooling, (All connected to an external speed controller and powered by. 7 x 15. Hi, Please try these steps: Hold down the Windows Key and press R (or just Click Start), Type msconfig in the Run box (or Search box) and hit Enter, In the System Configuration windows, click the Boot tab, Click the Advanced Options button, Un-stick the box next to 'Maximum Memory', Click OK,Second Edition: June 2012. changing the settings in the BIOS did not give a result. Maybe a later version of the quickspec shows E5-2670 V2 CPU is supported but i don't know as have linked to quickspec version 41. Hi, For the HP Z420, the liquid cooling system is only mandatory with the Intel Xeon E5-2687W (and also the v2 model) with its TDP of 150 watt. . You could also use a E5-2687W, however that has a TDP of 150W and as per HP specs requires the HP liquid cooler. 7GHz / 64GB Hynix PC3-14900R 1866MHz / GTX1080Ti FE 11GB / Quadro P2000 5GB / Samsung 256GB PCIe M. 4ghz 8c/16t E5-1660 - 3. I have installed a noctua fan in front of the drives and connected it to the FRNTFAN on the motherboard. No beeps, nothing. To access HP Support Assistant, double-click the HP Support Assistant. To access HP Support Assistant, double-click the HP Support Assistant. 2. Level 2. That said, documentation on the HP side is pretty vauge - it doesnt even distinguish the bootblock date matter i. Turbo boost stepping occurs in 100MHz increments. Other times, the systems will start at the lower speed. This is a free software and uses only two settings: multipler and added voltage for stabilization- to overclock unlocked Intel CPU's. you are currently shorting both the z400 power supply and the z420 motherboard and this will cause damage to bothThe z400 is capable of upgrading to a quite good standard. this is the CPU power connector (+12/ground) and the board requires this to be connected along with the 20 pin connector in order to power on. HP Z420 Workstation Intel Xeon Quad Core 3. 3) 16GB Ram 1600Mhz. Hence, the assembly part number for the air duct for the Z420 is easy to find via 663070-001, versus the spares part number of 663346-001. It is in a Silverstone case with a H115i pro AIO liquid cooler and HX850i psu. 7GHz / 64GB Hynix PC3-14900R 1866MHz / GTX1080Ti FE 11GB / Quadro P2000 5GB / Samsung 256GB PCIe M. 😁. On finishing the build and switching it. The CPU will be of the period, but modern GPU's often use less power for the same of higher performance than when z420's were new. Here is the solution I developed and posted about in here (with nice pictures). Thanks to valuable members on this forum, I found now this article -> Samsung 990 Pro MZ-V9P2T0CW Disque SSD Int. The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. Next step is to gather up some copies of the Z420 Quickspecs. You might also want to bookmark the HP Z420 Support page. The easiest way to tell if your Z420 is the older or newer type is to look in BIOS at the "Boot block date". Just bear in mind that officially the processor does not support ECC memory so you would need unbuffered non ECC RAM. 3. Hello, I recently tried to install an Nvidia EVGA 1080 ti into my HP Z420, only to find out that the CPU was the bottleneck of the system. The HP Z440 Workstation has all the base components to be converted in to a high end gaming computer. . MoBo: FMB 1101 LGA 2101. HP Z420 inside: Power Conectors. HP Z420’s are a single socket Xeon based workstations. - CPU tests include: integer, floating and string. 2 adapter cards and two NVMe SSDs - 1TB for OS and apps, and 500GB for scratch. 3GHz) / z420 Liquid Cooling / 64GB (HP/Samsung 8X 8GB DDR3-1866 ECC registered) / Quadro P2000 5GB _ GTX 1070 Ti 8GB / HP Z Turbo Drive M. (ebay) HP Z620 - Liquid Cooled E5-1680v2 @4. Operate the workstation on a sturdy, level surface. For laptops, press Fn + Esc. As the system already has a E5-1650. It is a screamer and performs well very well - great benchmarks. Z420 fan is a Nidec, also used as the 92x92x25mm fan for other purposes in the Z420. The CPU score of these two systems are 16136 and 15525. It is because I have the latest BIOS ( 3. Level 10. 2 cpu, 32GB RAM, 1TB hdd, NVIDIA Quadro K2000. This way HP fan control is in charge for rear fan , front fan , and additional front fan (ex CPU 5 pin fan) , and the external controller is in charge for the CPU Fan and Small Noctua rear Fan. Controller: Intel WG82574L Gigabit Ethernet Controller. They are created their own mess. HP Z420 workstation không được tích hợp card đồ họa mà bạn phải sử dụng card rời gắn qua. 11-16-2016 07:35 PM - edited 11-16-2016 09:00 PM. The z420 and z620 motherboards are extremely similar except for the z620 2nd CPU riser socket and the BIOS is the same. The other reason why your PC would not qualify to run W11, would be the Intel processors series the Z420 model series comes with are not supported. HP specs doest list e5 xeon v2 cpu support, but this is dependant on motherboard revision. Yes No. it is because I placed a AMD RX 470 with a wrong VBIOS in it & the desktop booted normally.