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 PIC-Express is the GPU installation on motherboards.

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Why aren't there PCIe RAM expansions?

Perhaps I may be overlooking some aspect that is an important cause as to why these don't exist, but I feel that having RAM expansions through PCIe would be perfectly feasible. I know that a lot of ...
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Connect PCIe devices to Macbook pro

I have a Macbook Pro retina and I want to connect a PCIe based wireless card to it . Actually I want use a wireless card supports the ath9k open source driver. There are multiple devices but most of ...
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What kind of M.2 logical interface does Plextor M6e SSD apply?

I'm buying a Plextor PX-AG128M6e SSD in hope that it can be used as VMware ESXi 6.0 datastore. And I have checked the Wikipedia M.2 page, who says there are three options available for the logical ...
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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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Graphics card issue with M4N82 Deluxe

I have an M4N82 Deluxe and i am looking to establish how i would go about testing the PCIe to prove it is broken. When booting it gives me the error associated with graphics. I have tried several ...
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991 views

PCIe slots failure on Motherboard

The motherboard I'm using is Gigabyte H67M-D2-B3. When I was using my old Graphics Card (Sapphire HD 6850), my computer crashes once in a while quite randomly/unpredictably. Sometimes BSOD related to ...
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1answer
89 views

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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My internet speed wont run at 1.0 Gbps on my Realtek PCIe Family Controller

I have an asus Gigabit Router and a gigabit NIC (Realtek PCIe GBE Family Controller) witch is running at 100Mbps rather than 1000Mbps (1.0 Gbps). When I use an old laptop on the same Ethernet ...
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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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Will this PCI express card fit into any of these slots?

Will this PCI express card … … fit into any of these slots. My motherboard offers: One PCI Express* x16 bus add-in card connector Two PCI Conventional* bus connectors
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Is there a PCIE to USB 3.0 converter?

I have an old desktop, which contains an old Nvidia GPU that I would like to use with my new laptop. I have 1 USB 3.0 slot on my laptop, and the GPU requires a PCIE slot. So my question is: Is there ...
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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 ...
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3answers
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PCI-E x8 Raid Controller in a x4 Electrical/x16 mechanical slot

After exhaustively searching around on the internet and here at superuser I couldn't find a definitive answer to this. I've heard how with some devices they work with less pci-e bandwidth even if they ...
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1answer
722 views

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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1answer
33 views

Multiple PCIe Controllers

I am trying to exceed the 6Gb/s barrier of SATA3 I want to use RAID 0 on multiple SSD's and I am trying to come up with a (relatively inexpensive solution) I have 40 available PCIe lanes /16 are being ...
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2answers
127 views

Building a new PC - PCI-E lanes and how do they work

I'm looking to build a new gaming PC that will last a while. I want to use a PCI-E x8 SSD + GTX 780 SLI in this build. Now i'm looking around on the web to see what i need to support this in terms of ...
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396 views

Is the South Bridge on today's motherboard capable of supporting PCIe?

I am reading a book that is describing the roles of the NB and SB (North Bridge and South Bridge) and the book explains the roles of each one. However, I'm wondering, is the SB capable of supporting ...
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1answer
121 views

Will a Half Mini PCIe card work in a desktop PCI Express 2.0 slot?

I have an Intel DH67BL motherboard. Will a Half Mini PCIe card work in one of the PCI Express 2.0 slots? For example, the following product which is a PCIe Half Mini Card: ...
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6answers
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Can I use a mini PCI-E card in a standard motherboard with PCI/PCI Express slots?

I'm helping someone build a computer and they absolutely insist on having an internal Bluetooth adapter. I've been searching around for a PCI-E/PCI based Bluetooth adapter but I've had no luck ...
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1answer
89 views

Graphic card connected but bios shows as empty slot

I build computer and i plugged graphic card (MSI Radeon R9 270X) to motherboard (MSI H81M-P33) and connect this to power supply (Corsair VS450) 2x6 pins but BIOS does not detect graphic card in PCI-E ...
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1answer
92 views

Will A PCIe Sata Controller help me circumvent AHCI woes?

I have re-purposed an old machine to be a home server. The first thing I did was install Windows 7 to a spare C300 64gb Sata 3 SSD that I had. I realised after setting up, and updating windows, that ...
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13 views

Will a PCIe generation 2 card work in a PCIe generation 3 slot? [duplicate]

I have a PC with a PCIe generation 3 slot. The card I am looking at is PCIe generation 2. If I buy the older card will it work in the newer slot?
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289 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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1answer
309 views

lenovo e50 and external graphics card

I have a very cheap desktop PC that a friend of mine bought. Its a Lenovo e50. However we need dual outputs so I was gonna install a PCI graphics card. So I've bought a Sparkle Geforce 210. ...
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1answer
85 views

New pci-e video card makes computer not boot

I'm trying to upgrade the video card on my Dell Vostro 460 mini tower (from 2011, i5 3.something GHz, 4GB RAM). The card is a "Gigabyte Radeon R7 250X 1GB 1x HDMI, 1x DVI, 2x Display Port PCI-e". This ...
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How do I get to know the PCIe version on my Motherboard?

The motherboard doesn't have anything written. Are there any alternative methods to find which version of PCI-Express my slot supports? I am looking for an upgrade and I want to add a PCIE gfx card
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16x PCI express capable card running on a 8x slot. Will there be any noticeable performance difference?

Unfortunately, the x16 PCI express slot from my motherboard got damaged. I decided to stick the card in the 8x slot instead so I could use my computer while I gather the money to upgrade my system. ...
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1answer
67 views

How to check if an attached SSD device is SATA or PCIe on Linux?

I have a machine with both SATA and PCIe SSDs attached. Is there a set of Linux commands (on Ubuntu or CentOS) that I can use to check if a given SSD is SATA or PCIe?
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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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2answers
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two PCI-E graphic cards how to [closed]

read through a pci-e card doesn't work with the other two graphic cards but I think my problem is different. My need is to be able to run two OSes, each having using a different PCI-E graphics ...
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1answer
95 views

Is it possible to power a SATA drive from an 8-pin PCIe power connector?

I have a Dell Precision T3610 workstation that currently has two 3.5" SATA HDDs installed, and I'd like to add two more 2.5" disks in a hot-swap bay. I have two free SATA ports, but I'm struggling to ...
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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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1answer
26 views

Does a PCIe Multiplexer/Bandwidth splitter ASIC exist?

I may be using the wrong terminology, but I am looking for something that would let me multiplex multiple lower speed PCIe lanes onto a single higher speed one. For example, 3x PCIe 1.0 lanes onto 1x ...
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Will a single VGA in a PCIe 2.0 x16 (x4 mode) slot perform the same as in a PCIe 2.0 x16 one?

I have an ASUS P8P67-M REV 3.0 which has the following PCIe 2.0 slots: 1 x PCIe 2.0 x16 (blue) 1 x PCIe 2.0 x16 (x4 mode, black) I've just bought a new VGA (GTX 970), which is huge, and ...
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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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70 views

Special PCIe x8 in regular PCIe x16 slot?

Is it safe to plug it into a regular PCIe x16 slot on a desktop motherboard? The pic is HP NC375i NIC.
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57 views

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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Can I make a 4pin EPS12V to a 8pin PCI-E adapter

I need two 8 pin pci-e for a graphic card, however all I have left is two 4 pin molex and a 4pin EPS12V. I've got two dual molex to 8pin PCI-E adapter what If I cut one of them, cut the male EPS12V ...
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2answers
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Installed PCIe network card - computer won't boot

I have a new Dell Vostro 460, that has onboard video, and an Dell-added a PCIe video card. It has 1 16x PCIe slot and 4 1x PCIe slots. When I plug in a PCIe gigabit network card (link. lspci: ...
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Put Graphics card with PCI Express 2.0 into PCI Express x1 slot

I have old HP PC. Model: HP Compaq dc5700 Microtower http://h10010.www1.hp.com/wwpc/ca/en/sm/WF06b/12132708-12132884-12132884-12132884-12736054-12736270-80746314.html?dnr=1 It has PCI Express x1 ...
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1answer
105 views

What is the maximum length of a PCI-Express Flexible Extension Cable?

What is the maximum length a PCI-Express bus can be extended with a PCI-Express Flexible Extension Cable like this (36 Pin):
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What are PCI and PCI Express slots used for?

I'm comparing different Micro-ATX motherboards for a home server build and I was wondering what I would use PCI and PCI Express slots for? Are these used for hard-drives, GPUs, RAID controllers, RAM ...
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How to know if the motherboard support a graphics card

This is my mother board: http://www.asrock.com/mb/Intel/ConRoe1333-D667%20R1.0/index.it.asp I can't find what pci-express verion it implements. I want to buy this graphics card with pci-express 2.1: ...
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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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New GTX 970 running on PCI-E 1.1 x16 instead of 2.0

I recently purchased a GTX 970 for my system and all seemed to be fine, drivers install perfectly, games run OK if not a little under what I would have expected (this is probably due to my CPU not ...
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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 ...
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Do PCI / PCIe buses and devices always enumerate in the same order?

I am looking into a situation where there are multiple, identical (National Instruments) PCIe DAQ modules in a PCI/PCIe chassis, connected via either a single or dual chassis controller. In the worst ...
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PCIe SSD as main (boot) hard drive on AsRock X97 Extreme M4

Recently, I assembled a new computer for personal use. With a top-notch CPU and video card installed, and reasonably fast RAM, the hard disk is now the main bottleneck in the system. The 3TB seagate ...
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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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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. ...