Questions tagged [pci-express]
PCI-Express is a high-speed expansion bus which is developed to replace older buses such as PCI and AGP. The most common use of PCI-Express is the GPU installation on motherboards.
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A PCI Express 3.0 Video Card into a PCI-E 1.0 x16 slot
Perhaps I'm trying to push my mobo too hard, but I think I have read that PCI-e 3.0 is back compatible to previous PCI-e specifications. But 3.0 into a 1.0, is it possibly asking too much?
I'm ...
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Does a x4 PCIe mechanical work in a x16 slot in x4 mode?
My question is fairly simple. Can a x4 physical (mechanical component) fit in a x16 PCIe, which is at x4 mode?
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Is it possible to power off a PCIe video card/slot? (eg. hot-plug)
I'm looking at building a system that supports VT-d so I can pass through a high powered loud video card to a Xen/KVM/whatever VM (host will be Linux based). However, when I'm not using the VM I want ...
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Will a PCI-E V2.0 Graphics Card work with a PCI-E V1.0 Motherboard?
If I buy a PCI-E v2.0 graphics card (Nvidia Geforce GTX 275) will it work correctly and to the full potential with my PCI-E v1.0 motherboard (Asus P5B-Deluxe) ?
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Should a 2.0 card work on 1.0 PCI Express slot?
I want to buy the ZOTAC ZT-50401-10L GeForce GTX 550.
Which is PCI Express 2.0 x16.
I am a bit concerned about this because the official tech support said:
The Motherboard Asrock G41M-VS3 R2.0 ...
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Will a PCI Express x16 2.0 slot work with a PCI Express x16 3.0 graphic card
I am thinking of getting a EVGA GeForce GTX 750 Ti and put it in my HP Pavilion a6518f Desktop PC. I upgraded the power supply to a 350W switch is enough I think. But I am worried about the ...
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How do PCIe to SATA expansion cards work, and does my PC support them?
I've recently been looking into getting a PCIe to SATA expansion card, which I think is otherwise known as a port multiplier (which was the first result in Google when I searched for such an adapter). ...
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What is the "known hardware incompatibility" that disables PCIe Active State Power Management? How do I fix it?
I'm on Windows 7. I just ran a Power Efficiency Diagnostics Report through powercfg -energy and I got this error:
Platform Power Management Capabilities:PCI Express Active-State Power Management (...
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Adding a SATA 6 Gbit/s PCI Express controller card?
If I add a SATA 6 Gbit/s PCI Express card to my motherboard, will I get similar speed to native SATA ports built into the motherboard? I ask because I have a SATA 6 Gbit/s SSD and my motherboard ...
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Powershell - PCI/PCIe slot occupation
Given a Windows 10 system with Windows Powershell 5.0 ran as Administrator, I need to list all the motherboard slots and the name of the devices that occupy them, if any.
Win32_SystemSlot, with
Get-...
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PCIe Generation 3.0 graphic board running on old mainboard Generation 2.0 or earlier?
my problem comes out of the following: I'm owning a 'MSI P45 Neo 3' Mainboard. The 100% type I haven't checked yet, I'm about to do it as soon as possible. For sure is that it's already about four ...
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How can mainboards provide more PCIe lanes than the chipset?
I'm currently choosing parts for a new computer, with my main focus on high PCI Express speed and a large number of slots. In this iteration, I will probably choose a board with an Intel Z97 chipset. ...
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Is my new Graphic Card cause for my PC hanging?
My Computer Specification
My Motherboard specification
My new Graphic Card
Some days ago I bought a GeForce 8400 GS Graphic card.
My computer satisfied all the minimum system requirements it ...
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PCIe Source And Destination Address for EDMA
I have Designware(Synopsys) PCIe Controller supporting both EP(End-Point) as well as RC(Root Complex) functions.For the implementation scenario, this controller will be configured as EP & RC will ...
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Will a PCI Express x16 3.0 card work in a PCI Express x16 slot? [duplicate]
I have a motherboard with a PCIexpress x16 slot.
I want to purchase a card called AMD Radeon HD 7770, which uses PCIe version 3.0.
Is that backwards compatible?
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Can we connect PCIex4 card in PCIex16 slot?
After some research, it seems not to be a problem:
Can I be 100% certain that a PCIe x4 card will fit in a PCIe x16 slot?
Does a x4 PCIe mechanical work in a x16 slot in x4 mode?
Even wikipedia says ...
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Dual/ triple personality M.2 SSDs that support PCIe NVMe + SATA just like dual personality M.2 slots (B+M) support? How to find/ identify them?
This is a little tidbit question I posted on a comment on the below mentioned question.
"Of course also means it can be used in a (true) dual-personality M.2 slot. It won't work with PCIe, though."
...
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Converting pice 3.0 x24 slot to pcie 4.0 x16, possible?
This is for a high bandwidth ssd. I know I can plug the pcie 4.0 card into a pcie 3.0 x16 port directly, but then I would be stuck at the bandwidth of pice 3.0 x16 which wouldn t be able to exploit ...
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Understand how this M.2 B+M Key SSD can work via PCIe Adapter Card with 2 slots (both 1 B and 1 M slot)?
Understand how the M.2 B+M Key SSD can work via PCIe Adapter Card with 2 slots (both 1 B and 1 M slot)?
We recently bought a Sandisk SSD X400 M.2 (B+M Key) to do some sample tests, see how it works ...
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On PCIe 1.0, does a 64 bits graphic card could be compatible with 32 bits OS (Windows 7 32bits)
On PCIe 1.0, does 64 bits graphic card could be compatible with 32 bits OS (Windows 7 32 bits) ?
Is there any restriction?
Edit:
Few peoples told in comments that bitness should not be an issue. ...
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Can I find out if PCI-e slot is 1.0, 2.0 or 3.0 in linux terminal?
I'm going to purchase a GPU which is for PCI-e 3.0.
But since I don't know what PCI-e slot it is in my computer I need to find it out somehow.
Is it possible to find it from the terminal in linux?
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What is a PCI-Express Lane?
I am reading an article bemoaning i7-5820K Will Only Have 28 PCI-Express Lanes compared to its sibling processors having 40 lanes.
Isn't 28 lanes already too many? How many lanes would a normal home ...
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Motherboard says PCIe 3.0, but chipset only supports PCIe 2.0. Who's right?
As part of integration testing for our product, we received a client machine with a Supermicro X10DRi motherboard in it, with 2 Xeon E5-2620 v4 CPUs and a Quadro P5000. That motherboard is using the ...
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GPU struggles only in the primary PCIe slot. Is this a motherboard issue?
When my GPU is in the primary PCIe slot, I sometimes get loads of garbled sound when I run the audio through the HDMI. The GPU also performs far worse on benchmarks. In the primary slot I get 30 ...
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Why is NVMe better than ATA?
SATA M.2 SSDs use SATA on the physical layer and ATA as software protocol for data transmission.
NVMe M.2 SSDs use PCIe on the physical layer and NVMe as software protocol for data transmission.
I was ...
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Can I be 100% certain that a PCIe x4 card will fit in a PCIe x16 slot? [duplicate]
Possible Duplicate:
Does a x4 PCIe mechanical work in a x16 slot in x4 mode?
I know I can place a smaller card in a larger slot. But can I be 100% certain that it works? (if we ignore a broken ...
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Can I use a pci-e x16 slot for multple cards?
I have a mini itx pc with only one pci-e x16 slot. There is another old style pci slot.
I don't care that much about graphics bandwidth and I'd like to add USB 3.0 support. It's a waste to be using ...
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How to understand lspci tree format?
I use a Dell G3 3579 to run the lspci -tvv command.
Here is the output:
-[0000:00]-+-00.0 Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers
+-01.0-[01]----00.0 ...
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Can I mechanically modify PCIe connectors to accept wider cards?
From the Wikipedia page on PCI-e:
Some slots use open-ended sockets to permit physically longer cards and negotiate the best available electrical connection.
The number of lanes actually connected to ...
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Why does disabling active power management in BIOS double NVMe speed?
I bought a secondhand Dell OptiPlex 5060 Micro.
It seems to be limited in speed to PCIe 2 (2 GB/s) despite clearly being PCIe 3. This is documented to happen on the 3070 OptiPlex micro here: https://...
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Can I turn a PCI-e x1 slot into an old PCI slot?
Is it possible to convert a PCI-e x1 slot into an old PCI slot? If so, how?
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I plugged an 8-pin EPS (CPU) cable into the GPU's PCI-E port. Is it damaged?
The r9 290x I wanted to use needs 16 pins, my PSU which I thought had 1 PCI-E 6 + 2, 1 PCI-E 6 and 1 PCI-E 8-pin setups, actually had a second 8-pin EPS cable.
I don't currently have something to ...
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Will a regular PCI Express card work in a "PCI Express x16 Graphics (PEG)" slot?
I have a Shuttle SG31G2 that has an Intel G31/ICH7 chipset, one PCI slot, and one 16x PCI Express slot. I want to add a better gigabit NIC to it, and the PCI slot is already in use by a SATA card. ...
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Add DisplayPort output to PC
I have a PC with an AMD Kaveri APU running Linux. I'm just fine with the internal GPU but would like to connect to a displayport display and my motherboard does not have a connector. Is there any (...
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Motherboard UEFI doesn't detect M.2 SSD drive
I'm building a brand new PC with an ASUS PRIME Z370-A motherboard and a Samsung SSD 970 EVO NVMe M.2 250GB.
However, my motherboard does not seem to be able to recognize the drive as the it neither ...
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What are the performance differences between PCI-Express x16 and x4
I have two PCI-Express x16 slots on my motherboard, but one of them only has x4 bandwidth.
For passing through my graphics card to a virtual machine I need to use both slots and unfortunately, the ...
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How to disable a plugged-in PCI-e graphic card on OS level? [duplicate]
I have a server running for which I want to have a possility to access it with a screen connected to VGA (very rarely, most of the time it's accessed via SSH). Therefore I have a PCI-e graphic cards ...
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Understanding of chipset PCI-Express lanes
I've just read about PCI-E lanes limitations, and I want to know whether they are applied to my PC build or not.
I want to buy MB based on Intel B150 chipset and use it with I7-6700k CPU (with ...
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GPU showing x1 bus interface rather than x8
TL;DR: GTX 980 is running at x1 instead of x8 both in SLI and as a solo card. Another 980 is running perfectly in the same situations.
I recently purchased a second 980 (EVGA) to run SLI with my ...
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Linux will not recognize Thunderbolt 3 (Titan Ridge) card on Supermicro motherboard
I have a server with a Supermicro C9Z390-PGW motherboard to which I needed to add Thunderbolt 3 connectivity, so I purchased a Gigabyte GC-Titan Ridge Rev 2.0 add in card. However, after powering on ...
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a pci-e card doesn't work with the other two graphic cards
A PC machine in the company has three 16x pci-e slots, let's call them A B C (A is closest to the CPU, C is furthest). There has been two graphic cards installed in it (gtx680 in A and gtx560 in C, ...
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Simultaneous IO to multiple SSDs in external USB 3.0 enclosures
UPDATE: Just tried this scenario on a board with eight extra SATA ports and it works. Slower than I'd thought but still acceptable. As per the discussion with David Schwartz I believe he may be ...
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PCIe 16x into a 1x slot
This is a very simple questions because i saw a video where some guy uses this PE4L V2.1 adapter to connect his 16x PCIe GPU to a mPCIe slot, but the adapter only uses a 1x PCIe slot. i have a 16x ...
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Samsung PRO 950 SSD recognized as SATA instead of PCIe in Windows 10
I have a new ASUS G752VL-DH71 laptop and I installed a SAMSUNG 950 PRO M.2 512GB PCI-Express 3.0 x4 SSD in it. The hard drive is totally usable in Windows (as drive G:) but there are three issues:
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What does (x16, x4) mean next to 2x PCIe2 x16?
UPDATE 1:
The motherboard which I am planning on getting is the Asrock P67 PRO3 SE.
Is it possible to get a motherboard which can do true x16 in both ports?
ORIGINAL QUESTION:
I am about to buy 2 ...
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Does a mini PCIe to PCIe slot adapter exist?
I know there are similar questions to mine, but in this case I need to insert a mini PCIe card into a PCIe slot.
Summing it up, I have a mini-ITX motherboard with a PCIe x16 slot and I have a mini ...
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Is it possible to disable an M.2 SSD without physically unscrewing it?
I want to be able to "hide" the presence of my M.2 NVMe ssd. For example, it can be useful when experimenting with OS installation to experimental drive, and you want to be sure it wont ...
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PCI-E SATA Controller
i'm trying to find a SATA Controller that has a PCI-E connecction of at least 4x, and has also at least 4 channels for SATA disks. I need it to make a real raid 5 system, the fakeraid on my ...
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PCIe x1 card in a x16 slot = computer won't turn on
I have a Lenovo ThinkCentre M55 which has an x16 PCIe on the motherboard, but came with a PCIe to PCI adapter installed. I removed the adapter so I could use my x1 PCIe wifi card, but as soon as I ...
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How are PCI/PCIe BARs configured to access memory on the device?
In my previous question, I established that the memory address used by PCI/PCIe devices does not have to mapped to system RAM, but could also refer to "on device" memory, e.g. RAM or registers.
But ...