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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What is the maximum read speed I can get on a MacBook Pro Mid-2015?

From what I have read and being told by Apple support, the MacBook Pro mid-2015 has a PCI v3 x4. Wikipedia says that each lane in PCI v3 brings 985 MB/s, so PCI v3 x4 should be 985 * 4 = 3940 MBps ...
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364 views

PCI passthrough KVM

I am trying to passthrough my Tesla K40m GPU accelerator to a qemu-kvm virtual machine via the VFIO driver on Ubuntu 14.04.2. I downloaded all drivers and CUDA libraries, and I compiled all sample ...
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137 views

How to control PCIe power?

Is there any consumer-grade motherboard (for Intel i3/i5/i7 CPUs) that lets me physically power on/off PCIe slots? PCIe slots are on motherboards, so I guess a motherboard can easily power up/down ...
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334 views

same pci bus address for pci slot and on board ethernet port?

The pci slot address shown is same as the one shown for on board ethernet card. There is a conflict. Not sure how to resolve it. Various command output are dmidecode -t 9 | grep 'Bus Address' ...
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411 views

Plugging in a GPU into a PCI slot via a PCI-e to PCI converter: is it possible?

First of all, this is for a GPGPU project so I only need a very small amount of bandwidth. The bandwidth for PCI and PCI-e 1x slots are several orders of magnitude more than I need. Some people have ...
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80 views

Nvidia GeForce 930M driver and PCI bus error on ubuntu

I bought a new laptop ASUS-X556UF and installed ubuntu 14.04 in it. Now i was trying to install Nvidia ...
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31 views

Can a motherboard support more GPUs than its total PCI-e slots?

Suppose your typical ATX motherboard (or similar) has X number of PCI-e slots. Is it possible to connect additional GPUs (or any PCI-e device for that matter) beyond X? I've seen a few solutions, ...
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50 views

What state is support for PCI-Express hotplug in?

When I first started reading about PCI-Express a decade ago I was excited about the possibility of hotplug support, but when I got my first motherboards with PCI-Express and tried it out, the system ...
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40 views

Speeding up USB 3.0 on my machine, Vantec USB3.1 to PCI card is slower than MOBO ports?

So I read an article on Tom's Hardware after I was tired of waiting for some backups to complete faster. Admittedly I did not understand parts of the article but what I took away from it is that I ...
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267 views

USB 3.0 PCIe 2.0 card in PCIe 1.0 slot, can I make it work with Ubuntu 14.04?

I bought a PCIe 1x USB 3.0 card by Renesas, model µPD720201 to slide into my Dell Optiplex 990 motherboard's PCIe 1x slot. Card: ...
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600 views

Can a PCI-E 6 pin cable be used in-place of an 8 pin cable?

I yesterday returned my GTX 960 as it was faulty, and have bought an R9 290, which requires two 8 pin PCI-E cables. I have two 6 pin PCI-E cables, which supplied power the 960. The only difference ...
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928 views

asus p8z77-v lx and gtx 970 not working in pci-e 16x

Today I got this motherboard cause my old p67 motherboard wouldn't work with msi gaming gtx 970. It showed a black screen and refused to post, like it wasn't even connected with the monitor. This same ...
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14 views

Graphics Card Causing Splash Screen To Stay

I have a GTX 650 ti, and it recently had its drivers crash. After uninstalling and re-installing it with failure, it kept crashing. I formatted my drive using a spare Radeon 6770 I have. After ...
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364 views

PCIe power from a Dell Optiplex 7020

We've just purchased a new Dell Optiplex 7020 to house a PCIe digitiser for use in scientific work. The PCIe card in question needs extra power in the from of a 6-pin 'PCIe' power cable. ...
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234 views

Searching for PCI-Express 2.0 compatible AMD graphics cards (with CrossFireX)

I still have an Asus AMD motherboard (Socket AM3+) that has PCI-Express 2.0/2.0x16 slots. It appears that all the HD Radeon series 6000-7000 cards are PCI 3.0. Are there any HD Radeon cards ...
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139 views

What version expresscard slot do I have?

My laptop Elitebook 8640p has a Express card slot. But i dont know version of this Pci-e slot. Please help me detect version of this PIC-e slot (ver 1.0 or ver 2.0). This is result of PC-wizard ...
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724 views

Adding eSATA PCI Express card

I've tried to add a PCI Express card to be able to plug eSATA hard drives to my home server (running Proxmox). Everything is plugged but I'm stuck. Is there any thing to do to setup the PCI card ? ...
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545 views

My computers startup got slow after changing the PCIe which my graphic card was installed

I recently found that that i had my graphic card installed on the wrong PCIe. Instead of using the 16x one (for Express 3.0) i was using the 8x one. So i just unplugged my graphic card from the 8x and ...
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206 views

How to Perform Full Power Cycle on Reboot

Hopefully this is the place to ask this. My problem is that I have a PCIe device I'm trying to use on a home built computer. The card will only work on a full power cycle of the computer. I've tried ...
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131 views

Mini PCIe wireless card, Shuttle SZ68R5

I know very little about (wireless) networking. I just bought and installed the Intel Centrino Ultimate-N 6300, but didn't know that I also need an antenna and a cable (or a couple of) to connect the ...
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565 views

Laptop with two variants, identical motherboards: Graphics card addition possible?

Ok, I know a gazillion people have asked countless times about the possibility of adding a graphics card to a laptop, but this one has a twist: I got a Samsung NP300E5Z laptop recently, and the ...
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783 views

Z77 Motherboard with i7-2600K cpu, what will not work?

I'm building a new system. So far I think I narrowed it down to Gigabyte GA-Z77X-UD5H (Z77 Ivy Bridge chipset) motherboard. I was planning to get i5-3570K(Ivy Bridge) cpu, but now I can get ...
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990 views

How to Reset a mini-PCIe Card without Rebooting (Linux)

First, some context. Fed up with my old netbook stuttering with 720p videos and flash content all the time, I decided to look around for a solution. Finally I decided on CrystalHD, a video decoder ...
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3k views

Suddenly my PC stops recognizing PCIe video card

My PC specs: Intel Core i5 2400 Intel DH61WW Motherboard 4 GB RAM 500 W Gigabyte PSU XFX GeForce GTS 250 Windows 7 Ultimate Custom make, bought on July 2011 except the graphics card, which I bought ...
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Computer fails to sleep when booting from a NVMe SSD

Whenever I'm trying to put my PC to sleep, the screen goes blank but a power indicator stays on and all fans keep on working. I have a NVMe SSD installed on a PCIe card, and OS is installed on this ...
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42 views

Without BIOS support, can I install Linux on an NVMe SSD?

I’ve recently had a string of drive failures (5 in total from different brands) and I thought it would be a good time to replace them all with a very fast M.2 drive. My computer doesn’t have a M.2 ...
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31 views

Can I install a PCI-E 2.0 x 4 SSD into my motherboard that has a PCI-E 2.0 x16 Slot?

I have an Asus P6X58D-E mainboard from a few years ago that has treated me well over the years and it has an octacore i7 extreme chip in it which I'd like to continue using. I was thinking I'd like ...
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Is it possible to access a sleeping computer's peripherals from another computer?

Let's say I have an PCIe video capture card on computer A and some kind of interconnect (Thunderbolt, Infiniband, FireWire 800 or the like) between computers A and B. Can I put computer A in some kind ...
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38 views

USB3.0 PCIe Card not being recognized

I bought this card Orico PCIe Card that has many USB3 ports. You can find it in Amazon.ca (5 external + 1 20-pin) (I can't post the url here because I don't have enough reputation) My mobo is a ...
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Can I boot Debian live USB from PCI Express controller?

Since my motherboard(Gigabyte EP43-DS3L) doesn't have USB 3.0 ports, I decided to buy a USB 3.0 controller connected via PCI-E(i-tec PCI Express card 4×USB 3.0). I installed it along with drivers ...
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CPU or Graphics card defect?

From time to time my computer dies while in usage. The screen either turns completly white, black or shows thin vertical stripes in two colors. I then have to kill it with the power button. When I ...
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185 views

Connect M.2 SSD (Samsung SM951) with Mainboard (MSI Z170A PC MATE)

If I connect a Samsung SM951 SSD with a MSI Z170A PC MATE Mainboard via the PCIe 3.0 x4 slot, together with a graphics card on the PCIe 3.0 x16 interface, I am using up all 20 PCIe lanes the mainboard ...
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Can I mix PCIe cards version 2.0 and version 3.0 in motherboard adjacent slots?

Motherboard specification for expansion slot is : Slot5 : PCI-E GEN3 x8 Slot(EE : x8/x4 with Slot6) Slot6 : PCI-E GEN3 x8 Slot(EE : x0/x4 with Slot5) CPU is E5-1620v2, PCIe lanes are coming ...
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145 views

Samsung 950 Pro on PCIe or SATA waiting for better motherboard

Recently Samsung has released the 950 Pro series SSDs. If I understand well they are only available with M.2/PCIe connectors which are supported only by new motherboards. Is it possible to use the ...
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170 views

M.2 SSD Raid with PCI-E or SATA

I have recently bought Intel i7 6700k, Asus Maximus VIII Hero and Samsung EVO 850 M.2 SSD. I want to use SSD as a cache drive. So, I enabled RAID mode from AHCI. In BIOS there's this option: M.2 ...
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66 views

USB 3.0 very slow on laptop P150HM (Clevo/sager)

I bought a used laptop from my friend recently, a Clevo/Sager P150HMx. It has 2 USB 3.0 ports and I was looking forward to using this over eSATAp II. However, when I plugged in my USB 3.0 controller ...
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82 views

Enable integrated video on Asus M5A78L-M LX3 motherboard without disabling PCI-E video

How I can do this? I tried to connect my integrated card with monitor via VGA and disconnect PCI-E, but there was no signal.
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48 views

map pcie slot-number or bdf to device-number or viceversa

Is there any way to know the drive number from BDF or slot number of a pcie or vice versa? (Preferable through console) Suppose I have 4 pcie drives attached to my system. And I know their BDF's, I ...
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NIC Died, Got RMA and Died Again, How to Find the Cause?

As the title says, I had an Asus PCE-N15 NIC working smoothly for about a year and a half and then it started acting wonky. What would happen is that I could connect to the network, but the NIC would ...
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41 views

NIC on PCI bus only works when attached to POE supplying network

This is a strange one.... I have a PC with both an on-board NIC and an additional NIC in a PCI slot. The NIC in the PCI slot will only create a link when attached to a network which supplies POE. ...
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33 views

Are there consumer-oriented Intel motherboards supporting full 16x PCIe 3.0?

I know that many Xeon boards have supported PCIe 3.0 for 16x lane devices for several years now already. However, when I look at this list of Intel motherboard chipsets, I only see 16x PCIe 3.0 ...
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What keeps my USB connected, powered PCIe Extender losing signal?

I have a Single R9 Fury X graphics card connected to a PCI Express x1-x16 USB 3.0 Extender on a Crosshair V Formula-Z MB and it keeps losing signal after about 5-10 minutes. My pc is running fine ...
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Upgrading from a 28 lane CPU to a 40 lane CPU

I'm looking to do a 2011-3 build on a budget. For the time being I'd like to put in a cheap CPU with 28 pci-e lanes and I would like to do an upgrade to a 40 lane CPU later on. This would allow me to ...
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Will Mini PCI-E type WLAN card through Mini PCI-E to USB adapter not work?

This question starts from my previous question about MIMO In comment, it has been said that a WWAN card will work with the adapter, but a WLAN card will not. I am curious that it is true to every ...
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98 views

NVIDIA GeForce 200 PCIe not detected in Dell Optiplex 7020

I recently bought a Dell Optiplex 7020 mini tower along with an NVIDIA GeForce 200 (HDMI) PCIe card. The BIOS displays SLOT-1 empty. In other words, the motherboard is not detecting the graphics card. ...
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58 views

Do some recent Intel-chipset-based Motherboard support PCIe 3.0? Web is undecided

I'm thinking of getting a motherboard, which I need to (properly) support PCIe 3.0. Now, I've been looking at Intel's desktop chipset website, e.g. here, and that says their current performance ...
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76 views

Can a PCI-E cable that splits into two…be used on different PCI-E devices?

The way my Seasonic X-1250 PCI-E cables are designed is... There's one end which is a single cable with a 12 hole connector...that goes into the PCI-E port on my power supply. But then the other end ...
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Do the usb ports (type c) of the new macbook or chromebook have direct PCIe access? Or do we not know yet?

The usb type c standard supports PCIe signals as an alt-mode. Do we know if the type c ports on the latest macbook and chromebook have PCIe access. If they don't or we don't know yet, then what is ...
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231 views

Will Loading Up My PCI Express Slots Affect GPU Performance?

I wanted to know if loading up my PCI bus with different cards will affect my GPU's gaming performance. I have a ASUS Maximus VI Formula with 3 PCIe x16 3.0 slots and 3 PCIe x1 slots. I have a single ...
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291 views

Gigabyte GA-J1800N-D2H: mini-pcie ssd?

I'm currently building a HTPC and want to add a small System OS SSD to this board: Gigabyte GA-J1800N-D2H The specs list a Mini-PCIe port on that board, but the manual says it's only valid for ...