4 Ghz. OMEN X by HP Full Tower Case. The RX Vega 64 card is drawing too much power from the Z420 PSU. 0 Rating = 7147 / CPU 17461 /. there is no reset button for z420 and I have seen both Dell and HP motherboards missing "reset" IBM started the "our product never needs to reset" with their infamous PS2 models. . HP continues to lead and provide the quietest line of workstations, and the HP Z420 is no exception. It runs but is not performing as well as e. HP Z440 GAMING COMPUTER AND OTHER HARDWARE UPGRADES - Green PC Gamers. Printer Diagnostic Tools; Computer Diagnostic Tools; Windows Support; Print And Scan Doctor;. My attempts over the past few hours have all ended in vain. If only one processor. 2K SATA 3Gb/s 3. Currently it has the E5-1620 v2 with 4 x 4Gb 1Rx8 PC3-14900E-13-13-D1 SK Hynix memory reference HMT451U7BFR8C-RD T0 AD. the power supply adapters/ converters for the z400/z420 are different and not interchangeable . HP Z420 Workstation. 1GHz base clock. Please see this link for the Z420 quickspecs. if this fails to work, remove the power lead from the Z420 and press the BIOS reset button on the motherboard for 10 seconds. Turbo boost stepping occurs in 100MHz increments. The only problem that i have at the moment is the PSU fan. These currently go for roughly $21. 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. Restart the computer and press F10 to enter the BIOS. It beeps 4 times, once per second, pause for 2 seconds and repeat. Here is the solution I developed and posted about in here (with nice pictures). The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. . Requested a refund and will have to re-evaluate trying to find a proper Z420 or just buying a newer motherboard for the Z620. However, the E5-1680 v2 is 3. On the Z420, CPU and memory are powered from the 6-pin P2 connector. I also have a NVIDIA GTX 960 GPU. You will need an 8pin CPU (EPS) cable extension because the 8pin CPU cable of the PSU is too short. 2 Technology. This is HP’s official website to download the correct drivers free of cost for Windows and Mac. 5. the connector is for the CPU(s) AUX power and is +12v/Gnd, and determining which pins are which is not that hard to do. 4 Although the Intel Xeon E5-2600 processor family supports dual processors, the HP Z420 Workstation does not support dual processor configurations. I have a Z420 workstation. RESULTS: - 4. Turbo boost stepping occurs in 100MHz increments. I used the paper clip trick on my power supply and the fan spins. The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. 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. 2. This is a free software and uses only two settings: multipler and added voltage for stabilization- to overclock unlocked Intel CPU's. Printer Diagonostic Tools;. The IB CPUs support 1866MHz RAM in comparison to the 1600MHz of SB. After the CPU upgrade, I'll start saving up to switch over the 1600MHz DIMMs. PSU: Thermaltake TR600W (picture below is the UK type, oops) GPU: VisionTek ATI Radeon HD 4670 1gb. 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!. There are many threads discussing this. Copy that file out onto the top level of a fat32 formatted small USB drive. "Support for the Intel Xeon Processor E5-1600 Series and E5-2600 Series, including processors up to 150 W" That Xeon processor is also shown as an installed option for the Z420 Workstation in the HP document at the link below this line. Turn off your Z420, plug the USB drive into a USB2 port (not one of the blue USB3 ports). Everything appears to be connected correctly. It is listed in the later Z620 QuickSpecs as certified for the Z620 v2. I also have a NVIDIA GTX 960 GPU. 120gb 2. It's more than stock clock speed upgrade about 400Mhz. The short answer is yes. I currently have 16GB (8x2GB) and plan to upgrade to 32GB (8x4GB or 4x8GB). . anyway, match your motherboard number against the ones in the parts list to identify the memory you need then look down for the memory section. Build It Your Way. The 20-pin P1 power connector has 3 +12V rails, as shown in the diagram I posted earlier. Find support and troubleshooting info including software, drivers, specs, and manuals for your HP Z420 Workstation. . 2 (Samsung SM951 AHCI), Samsung 860 EVO 500GB, HGST 7K6000 4TB, and used the Quadro P2000 from the z420. The voltages added for a Xeon E5-1660 v2 would be much lower as that CPU is already 3. It seems very unlikely that a v3 or v4 - capable motherboard would plug into the z620: the v3 and v4 CPU's are used in the zX 4 0 systems. great price. . 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. Use a VOM to determine which pin is ground and which is +5v. 65. HP Z640. 2) Replace the motherboard CMOS battery (CR2032). Operating System: macOS 10. Connector: RJ45. There are 27 HP z420 / RX 580 results in Passmarks baselines. 1. Operate the workstation on a sturdy, level surface. These likely also would work perfectly in the xw4600. Solved: Upgrade CPU Intel 7 to intel 8 - HP Support Community - 8300175. Specifications. HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstations Maintenance and Service Guide. 60GHz (8 CPUs), ~3. 3V and 5V regulators, some auxiliary CPU voltages, and some fans. com: StarTech. 0 Rating = 7147 / CPU 17461 / 2D 1019 / 3D 14464 / Mem 3153 / Disk 15451 / Single Threaded 2551. I would estimate that the components listed above- the CPU, GPU, and boot drive, cost quite a lot more than $145. 3GHz / 130W). 1 manageability via the onboard Intel LAN. HP Z420. System Model: HP Z420 Workstation. The choices seem limited on bios. 3V and 5V regulators, some auxiliary CPU voltages, and some fans. 93 / 3. If the subject z420 is a Version 2 motherboard, having a Boot Block Date of 2013 instead of the first version 2011, consider a Xeon E5-1650 v2 or E5-1660 v2, adding a liquid cooler, overclocking the CPU using the Intel Extreme Tuning Utility (XTU)(XTU-5. Operating System: Microsoft Windows 10 (64-bit) I can't get to square one with the HP zTurbo PCI riser. Product description. EDIT: Posted this message just prior to seeing the previous post/image. System Won't Post to BIOS And Or All System Fans Get Loud | HP® Customer Support. Specifications page for HP Z240 Tower Workstation. HP Z620 - Liquid Cooled E5-1680v2 @4. Download the SP64701 via that. Diagnostics. 3 Re-use the original HP Z420 CPU fan with the 5-pin connector. 4. 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. HP Z820. Stated thread goals Information and support for HP workstations Upgrading and software support Links to used HP. 0 support however as you noted the "ivy bridge" series do enable pci-e 3. 10-07-2017 05:42 PM. if you look at the z420 motherboard by the front memory slots there is a a 8 pin connector. You want to run E5-2697 v2 processor. . The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. These different rails power different parts of the motherboard. 18) would be a good choice or, to make the system more versatile, the E5-2690 2. 3k 243 Posted December 9, 2022. 0 on HP Z420 Workstation - HP Support Community - 7255607. Without that very efficient custom cooler, the high voltage would degrade the CPU in short order. Printer Support; Computer Support; Poly Collaboration Devices; All; Software and Drivers ; Diagnostics . HP spent considerable effort and cost to develop the system for reliable, continuous full load use, including sufficient cooling. Locate an HP service center HP Support Assistant (Windows 7 only) HP Support Assistant is an HP application that helps you maintain the performance of your workstation and resolve problems through automated updates and tune-ups, built-in diagnostics, and guided assistance. 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. HP Z420 Workstation Intel Xeon Quad Core 3. 5 ssd. Clear the Side Panel Door. From cpubenchmark. 21) given the original cost of $2,340. It's not a bad cooler/heatsink - plenty of copper pipes and good contact. 2 motherboard. 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. Integrated Intel GbE Gigabit Ethernet LAN. When starting these systems, sometimes the fans roar at full speed for about 8 seconds or so and then settle back to being very quiet. Types of memory supported on a HP Z420 are: • 2 GB, 4 GB and 8 GB PC3-12800E 1600MHz DDR3 Unbuffered ECC DIMMs • 1. 3. reboot and now check device manager, if AMT is enabled in the bios you will see a pci com ctrl with a yellow " ! ". The HP Z420 Workstation is the performance single-processor workstation platform from HP and is positioned above the HP Z210 Workstation. ). 2GHz / 115W) or 2X Xeon E5-2697 v2 (12C@ 2. Z420 v2's have been sold for example with a Xeon E5-1620 v2 (4C@ 3. Using a non-HP CPU heatsink with a non-HP 3-wire lead to its 3-wire fan. I use it in an HP z620 to run an E5-1680 v 2 on all eight cores @ 4. 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. You need to check the motherboards Boot Block Date listed in the BIOS. 2. 5mm. Let us. That shroud has two separate small PWM fans centered over the two memory banks. I would like to upgrade it to at least a 2To HDD. hp z420 workstation motherboard . Software and Drivers. We would like to share some of the most frequently asked questions about: Battery Reports, Hold a charge, Test. If the boot block date is 03/06/2013, the Z420 supports both the E5 v1 and v2 processors. 35V (low voltage) and 1. 2 256GB AHCI / Passmark 9. HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstation Series User GuideNew member. Plug the Z420 back in and try again. The 20-pin P1 power connector has 3 +12V rails, as shown in the diagram I posted earlier. 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. 3GHz. Basically, almost everything. Hello. HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstations Maintenance and Service Guide. 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. +12V_B powers the motherboard +3. I have a Z420 workstation. Download the latest drivers, firmware, and software for your HP Z420 Workstation. I've been looking at a Ryzen 7 solution, but going from 40 PCIe to 24, the general sense of being less substantial, and the extremly variable results is a concern. The HP Z420 gives us professional expandability in an accessible tool-free mini-tower form factor all at a great price. Also, consider: 1. HP Z420 is produced in China, of course, but the customer is the Hewlett-Packard brand. Z420 desktop pdf manual download. So you may have some type of cabling problem or a component (PSU, MB, or CPU) problem. IMPORTANT: Removal and replacement procedures are now available in videos on the HP website. 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 " ! ". Only modules specified will. About this guide. Refering to the your reply about personal opinion about Intel Core i7-3520M (2. With up to 8 discrete processing cores,. For example 682412-001 or 682413-001. 1 Year Return To Base Warranty. 50. Note: The Z420 power supply is desiged to provide several +12V rails to the motherboard. If you want to go fast you need to proceed carefully. Hello, here is my current HDD installed on my HP Z420 workstation : 500GB SATA 500GB 7. 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. . As for the z440's lower front intake, I yanked the entire black plastic manifold with the loud/shitty 92mm fan and inserted a 140mm Noctua. They are created their own mess. - currently selling for around £50 - £80! It's a 150W, 8-core, 3. 3V and 5V regulators, some auxiliary CPU voltages, and some fans. For more information, see the HP support document: Workstation Emits a Continuous Beep. the HP z400 power supply is NOT ATX COMPATIBLE the 24 pin connector does not match the ATX 24 pin out . Another much more important difference is the absence on the Z420 of the self-centering 6-position memory cooling fans header built into the motherboard that the Z620 memory cooling shroud device plugs into. Page File: 9119MB used, 7109MB available. 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. On any systems not. It's LGA1366 and in the 2nd version, can accommodate 4 and 6-cores CPU's of reasonable clock speeds. No beeps, nothing. a 0. Quickly and easily swap out parts or make upgrades on your own. HP even has somewhere a repository from which. It is liquid cooled and has a CPU Cooling block with the same name. The E5-2667 has always been a good performer, the v2 as well. I'm using an Intel Xeon E5 2650 v2 processor. Any advice on how to set it to 1866 MHz? (I have tried at the BIOS but don't find yet how to do it, I don't see any option, and already sear. It says processor can boosted up to 3. HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstations Maintenance and Service Guide. S: you need an 8 pin eps cable extender to connect the CPU power because the CPU 8 pin eps of the z600 psu is short. Some info hereUnplug all the electrical connections (taking care to find the fan connections) to the motherboard, 2. the other systems you mention that do have onboard sas support have a onboard sas chip that. not only because I am looking to upgrade the CPU. HP Z420 Specifications: Chassis: HP Custom: Processor: Intel Xeon E5-2687W (8x3. Did you mean E5-1650 v1? What is the boot block date of your Z420? That is, is it a v1 or a v2 Z420? It is worth researching the difference in this forum. The HP Community is where owners of HP products, like you, volunteer to help each other find solutions. Computer support; All; Software & Drivers. 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 with four. 30,350. This will make a difference in which cards will work. 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. Z400: Remove all internal power supply cables from the system board. Windows 11 Support Center. turn the two rotating knobs mounted on the chassis at the back of the motherboard, 3. If you need more help, ask me. 2. 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). 3GHz and in a z420 / E5-1650 v2 6-core @ 4. the 8 pin connector by the memory slots IS NOT A MEM (memory) POWER CONNECTOR. US $ 38. 8. John, That boot block date is for the version 1 of the Z420 motherboard. 1. 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. 5 GHz; I’m using a LEPA closed-loop liquid cooled CPU cooler with 240mm radiator and 4 120mm fans arranged in a push-pull configuration; 32 GB HP DDR3 server RAM, 1600 MHz; So far, the drives are still not being recognized. HP Z620 - Liquid Cooled E5-1680v2 @4. Show More. 2 2280 SSD drive from my old computer. System Name: BTXTREME: Processor: QX6800 SLACP Core2 Extreme: Motherboard: Dell 0WG864 LGA775 BTX: Cooling: Dell T9303 heatpipe cooler, Delta GFB1212VHG 2 motor fan. 3GHz / 130W). On some websites people keep writing it. Product: HP z420. Intelligent, business-forward design. exe is called “J61_0394. 😁. 7 MHz Xeon v2 CPU. Make sure you have at least 4 DIMM (memory) modules installed. 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. Jul 24, 2020. The longer answer: 1. 😁. Locate an HP service center HP Support Assistant (Windows 7 only) HP Support Assistant is an HP application that helps you maintain the performance of your workstation and resolve problems through automated updates and tune-ups, built-in diagnostics, and guided assistance. 8GHz, 32nm, 20MB L3, 150W) Motherboard: HP Custom with C600 ChipsetOn a purely microcode level the i7-3930K should work in the Z420. Printer Diagnostic Tools;I'm working with a FMB 1101 motherboard from an HP z420 workstation. vs for your proposed E5-1620 the average score is significantly lower at 5865. Aripug, CPU: For a server use using a z420, the E5-2670 , E5-2680, and E5-2690 8-cores processors perform well and are not expensive. 6GHz. Hi. 5. 😉. "Maximum Memory Supported _ Supports up to 64 GB". HP specs doest list e5 xeon v2 cpu support, but this is dependant on motherboard revision. On the Z420, CPU and memory are powered from the 6-pin P2 connector. Check the information on compatibility, upgrade, and available fixes from HP and Microsoft. For exact remove and replace steps for your computer model, see the HP Service Media Library. 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. Any Xeon E5 v1 processor will work, a lot really depends on whether for your use you require cores or clock speed. In the Z420/Z620. Is it possible to upgrade HP Z420 with Xeon E5-1620 to Xeon E5-1660V2 or Xeon E5-1680V2?. 5mm. 2 adapters that are sold on Amazon for a PCI-E slot?Computer Support; Poly Collaboration Devices; Ink & Toner Cartridges; All; Software and Drivers ; Diagnostics . Hi there, My workstation is dual boot MacOS and Ubuntu. View solution in original post. Eyeboot 24 Pin to 18-Pin Power Supply ATX PSU Adapter Cable for HP Motherboards. 02-09-2018 11:41 AM - edited 02-09-2018 11:43 AM. slide the motherboard towards the front of the case about 12mm and. Electronically the signaling and voltage on the USB 2 straight line header in question needs to be the same as a standard USB header. System will be used for GIS/mapping, photo and video editing. 1,390 Level 4 04-03-2021 02:35 AM - edited 04-03-2021 03:22 AM Product: HP Workstation Z420 (v2) Hi, I have an old HP Workstation Z420 (v2), and I would like to change the. Examples:I have posted recently on the fastest unlisted dual-QPI hexacore processor that runs in the Z400 version 2 (the excellent X5690) and a cheaper virtually-as-fast single-QPI hexacore processor (W3690, sSpec code SLBW2) that also runs and is listed in the latest v54 (3/8/13) HP QuickSpecs for the later version 2 Z400. you are currently shorting both the z400 power supply and the z420 motherboard and this will cause damage to bothThe motherboard was moved to the PC platform, the Xeon E5 2670 processor, original CPU FAN. Show Less. HP Z420 workstation không được tích hợp card đồ họa mà bạn phải sử dụng card rời gắn qua. The HP Z420 Workstation Product name. To access HP Support Assistant, double-click the HP Support Assistant. 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. note: For details on the supported memory configurations on the HP Z440 Workstation, please refer to the System Technical Specifications - System Board section of this document. great price. It is currently in Slot 1. Next step is to gather up some copies of the Z420 Quickspecs. These BIOS updaters and the process is identical for the Z420 and Z620. 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. Product: HP Z440 Workstation. If the subject z600 is a second version version, the best performance will be Xeon X56xx 4-core processors. 7 x 15. OEMs (HP etc) get complicated, as the boards themselves can be proprietary. The HP Z420 has all the base components to be converted in to a high end gaming computer. Z600 & Z800: Remove the Power Supply from the chassis- Plug in AC power. SDH. But at the Task Manager the speed it shows is only 1600 MHz. . Troubleshooting guide and online help for your HP Z420 Workstation. Find full product specifications and compatibility information for your HP Z420 Workstation. i recommend you use a multimeter to confirm which row of pins are ground before connecting. If you are considering switching, or upgrading to the HP Z620, make sure you buy the Rev. That boot block date is for the version 1 of the Z420 motherboard. They are pretty easy to find with Bing and Google. 5. SR0LC CPU HP Motherboard 618263-001 | SR0LC CPU. CPU: Intel Xeon X5650 1st Bench 64%, 7,756 samples. 4Hgz all cores , Noctua NH-U9DX i4 CPU cooler, custom air cooling with Fan Controller & 2 front Fans, 2 Rear Fans, 1 VRM Fan, 32Gb ECC RAM (8x4Gb) Quad Channel, 500Gb Samsung Evo Plus NVMe M. . The motherboard is HP 1589 and the CPU. 2. #51. Windows 11 Support Center. Show Less. The processor being used can slow down the memory but cannot speed it up over its top rated speed. 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. Here's the RX Vega 64 specification; And your HP Z420 motherboard; You need to use a lower powered graphics card. I buy cases all the time and they all come with reset wires that go nowhere leaving a leftover button that does nothing. 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 . The HP Z440 Workstation has all the base components to be converted in to a high end gaming computer. The i7 3930k is a Sandy Bridge chip, so assuming our logic is correct it would work in both the v1 and v2 boards. 96 BIOS is the latest version. A 440BX chipset system tends to be a lot more expensive. I'm not able to enter BIOS normally, so I'm using the HP Performance Advisor. Turn off your Z420, plug the USB drive into a USB2 port (not one of the blue USB3 ports). how to update IFX TPM 1. 18) would be a good choice or, to make the system more versatile, the E5-2690 2. This has AS P/N = 647113-001 REV A, and has OEM label of T92T12MS3A7-57A03, which is. your z420 BIST test is the same as for the z820. . They have a standard 400W Power Supply with an optional 600W Power Supply. The voltages added for a Xeon E5-1660 v2 would be much lower as that CPU is already 3. With more added voltage, there is more heat, so I am using a z420 liquid cooler. 2GHz. Home. We support your HP Workstation Z420 memory purchase long after the sale. In addition I'll watch product reviews on YouTube,. Not a perfect fit with the z620 shroud, but the temperatures are very good. These different rails power different parts of the motherboard. The E5-2680 2/7/3. Available OS Memory: 8116MB RAM. The HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstation Series User Guide is very useful for this kind of information: In the lower right corner of the diagram, notice component "26 Front fan". The HP Z420 Workstation is the performance single-processor workstation platform from HP and is positioned above the HP Z210 Workstation. It is also a good opportunity to inspect the CPU, and the motherboard CPU socket for bent or damaged pins. Support Resources. Overview. And - 8211051The Z440, by the way, has a smaller power supply as the newer processor is more efficient, it has a 450 watt power supply with no cables for powered GPU cards, yet it seemed unbothered by the rendering. . 2 256GB AHCI + Samsung 970 EVO M. It provides a small cooling fan over both the front and rear memory banks (look on eBay for 644316-001 or 644317. The most other Xeon have a TDP of 115/130 watt max. 2 256GB AHCI / Passmark 9. It is a screamer and performs well very well - great benchmarks. #1. However, let me give some high-level hints to keep users from preventing any system damage. These are the supported ones, but there's most likely more that would work that just weren't offered (definitely worth googling as there's a lot of CPUs in this range): E5-2687W - 3. It combines the power of a quad-core Intel Xeon processor with an Nvidia Quadro graphics to give you a powerhouse system that can grow along with. ---. HP Z210 Workstation Motherboard, with i7 CPU and cooler from retired system. Thus, electrically hole 6 is not needed to be used on the Z420/Z620 motherboard's 5-pin CPU cooling. BIOS: Default System BIOS. I'll assume you read up on the long method of resetting CMOS (with the battery out, etc. I've recently bought an HP Z420 tower from E-bay, which came with a 600W PSU version, latest system BIOS, Xeon E5-1650 (v1) CPU and 64GB of RAM installed as 8 x 8GB modules, and taking up all the 8 slots from the motherboard: DIMM 1. Of course I cannnot give any HP proprietary or unique design infomation. The AS P/N is what is embossed on the plastic surface of the duct.