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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Is the PCH part of the PCIe Root Complex?

I always thought that the CPU and the PCH together make up the Root Complex, because both contain Root Ports and therefore are connecting PCIe devices to CPU and memory, but yesterday I read this ...
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msata ssd inside wwan port - dell P11F

I want to know if it is possible to let a mSATA ssd work inside a mini PCIe slot intended for a wwan card (It says wwann/tv)? I know that there is a difference between mSATA and mini PCIe but I also ...
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2k views

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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4answers
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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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1answer
23 views

PCIe port backwards compatibility

Are PCIe generations backwards compatible? And will a port with N channels support a device with less than N channels? For instance, supposing I had a motherboard with a PCIe 3.0 x16 port. Would ...
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29 views

Why is PCI-E speed so fast? [closed]

The wiki page for PCI-E says it is x16 bandwidth is 31.508 GB/s. Why is it so fast? Does it talk with CPU directly?
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GALAXY GeForce GT 610 2GB DDR3 PCI Express 2.0

Motherboard is MSI K9N6PGM2-V2.3 PSU 350 watts RAM 4GB Processor AMD Phenom quad core 955 3.2 GHz Is the GALAXY GeForce GT 610 2GB DDR3 PCI Express 2.0 graphics card compatible with my hardware? I ...
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14 views

How do I debug why my NVIDIA graphics card is failing (maybe dead)?

I have a GeForce GT 610 (pretty cheap graphics card but gets the job done) installed on my NAS to play HD content with Kodi (formerly know as XBMC). A month ago it stopped working. I mean, there was ...
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33 views

Why two similar pci slots when only one is available?

I am reading the specs of an MSI mb http://us.msi.com/product/mb/H97MG43.html#hero-specification. 1 x PCIe 3.0 x16 slot (PCI_E1, supports x16 speed) 1 x PCIe 2.0 x16 slot (PCI_E4, supports x4 ...
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6k views

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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82 views

troubles with PCI-E passthrough with qemu on ubuntu: pci-stub/bind says no such device

so im trying to bind my second radeon card to pci-stub, as per instructions for setting up GPU passthrough in here, but once i get to binding the card to pci-stub, it tells me it isnt there. this is ...
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37 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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42 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 ...
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2answers
1k views

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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1answer
16 views

PCI 2.1 NIC in 2.0 slot

I recently bought a cheap NIC which I think has a x8 PCI slot. On the box it says: "Compatible with PCI revision 2.1/2.2/2.3". I want to use this in the MSI H81M-E34. On the site from MSI it says ...
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19 views

Does PCI-Express speed affect the memory bandwith and clock speed of my graphics card?

I need to buy a CUDA compatible graphics card for color grading work, and a lot of questions are popping up. Mainly this: If I put a card that supports PCI-E 3.0 into a 2.0 slot, does that have a ...
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2answers
3k views

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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54 views

Broadcom BCM970015 Datasheet

I'm having trouble finding the datasheet for the BCM970015::image PCI Express Mini card. Can anyone help locate it? I'm interested in the physical dimensions, specifically the profile (height), ...
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2answers
81 views

Large video card bends under own weight

My ASUS GTX 770 card is so long and heavy that it bends under its own weight. The following picture is not mine, but my situation looks exactly like it: The bending has already become permanent, ...
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2answers
78 views

ThinkCentre M71e PCIe network card not showing up

I bought a ThinkCentre M71e (3134-C4U) with the intention of using it connected to several separate physical networks. I bought a PCIe Network card (SuperMicro AOC-SG-I2) with two additional network ...
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1answer
480 views

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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2k views

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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38 views

Can multiple PCIe host devices enumerate the same piece of hardware?

I have a host device consisting of an Intel CPU and a PCIe switch; and I also have an adapter card which itself has some CPU, some PCIe end-point peripherals, and a PCIe switch. Normally only the ...
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96 views

How do I deal with too few internal PCIe power connectors for a GPU?

I have an HP Z820 workstation and currently I have an Nvidia Quadro 600 (for display) and a GFX Titan (for CUDA computing) installed. The Titan takes up all the available internal PCI-Express ...
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30 views

Error Booting from PCI-E Drive

To cut straight to the point. I have a computer. It has two solid state drives. One is pci-e, one is not. They both have ubuntu installed on them. I can boot from one hard drive, but I cannot boot ...
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100 views

What difference does sharing secondary PCIe x16 with other PCIe lanes (x16 and x1s) make?

I'm about to buy a motherboard and I have a difficulty understanding how sharing PCIe lanes works. I have two motherboard options: Gigabyte GA-Z97-HD3 Gigabyte GA-Z97X-SLI. Lets call them ...
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45 views

Mac Air SSD in new Mac Mini?

So I bought a new Mac Air in early 2014 that I promptly rested on the boot of my car before leaving work. Cut a long story short it falls off on the motorway and gets run over. Despite a smashed ...
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1answer
68 views

PSU has 2 PCI-e cables, and I don't know how to use their endings or if I need to use ONLY one cable

I've started to assemble my new PC and when I've finally attached my Gygabyte NVIDIA GPU (GTX 760), it needs some kind of PSU power, in the form of 6 + 8 holed socket. So far so good. My PSU (Cooler ...
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1answer
52 views

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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3answers
333 views

Does the DELL T3400 CN-0TP412 Motherboard support PCI-E 3.0?

Just a quick question, I've got a DELL T3400 CN-0TP412 Motherboard, and I was wondering if: it is compatible with "PCI-E 3.0" video cards? Are there any performance implications (if PCI-E is ...
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Can a smaller Firewire800 PCIE card replace another larger Firewire 800 Card?

Unfortunately I found the headers on my computer's belkin 3-port Firewire 800 all tilted back somehow, and they snapped off when I tilted them forward to where they should be. As a quick fix, I have ...
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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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493 views

What gives more performance per PCIe slot: Single-width video cards or dual-GPU video cards?

So I have a machine that I have been running with two Nvidia GeForce 8800 GT video cards for two years now. Been running fine but now I am starting to notice that some games are requiring more ...
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4answers
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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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3answers
67 views

PCI Express x1 in a PCI Slot

Will this work? I found a cheap serial port card I need for a POS receipt printer but I'm not sure if the computer has a PCI Express x1 slot. For sure it has a PCI slot though so I'm wondering if I ...
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178 views

Why is my PCI-Express 3.0 graphics card running as PCI-Express x16 v2.0?

My new computer is a top value machine: Motherboard ASUS CrossHair V Formula Z CPU FX-9370 DRAM 2.133MHz GPU Radeon R9 280X PSU Corsair AX1200i All drivers are up to date (as for today: September ...
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20 views

AzureWave AR5B93 in Debian

I installed debian on my laptop few months ago. Everything was great and there were no (well, only a few) problems. I removed the wireless card (An AzureWave AR5B93), and today when I tried to put it ...
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22 views

Can I use any fibre channel card with IBM server or there is a special type?

I have this server and a disk array with fibre hard drives. I want to know whether I can use any fibre card with IBM server or there is a special card which I can use Currently I have this card. The ...
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1answer
506 views

Does a PCIe to dual mini-PCIe adapter exist? [closed]

I'm planning to make a home server that would serve as NAS, router and Wi-Fi access point. It should be small, so I choose mini-ITX form-factor which often has only one PCIe slot. I want a powerfull ...
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error code 62 when installing a graphics card

Ok first let me say that when i first built my system everything works perfectly i had 2 msi lighting r9 290x's running in crossfire. The computer booted up with both graphic cards just fine, ...
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2answers
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Intel 10Gbps card bandwidth

I have an Intel 10Gbps card that has the 82599 10GbE Controller. The card has two ports in it. The datasheet of the controller says it supports PCIe 2.0 (2.5 GT/s or 5.0 GT/s) Now, according to PCIe ...
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50 views

HP Pavilion p6000 - Support Nvidia CUDA cards?

HP Pavilion p6000 AMD II Seems to have a large PCI-E and 3 small PCI-E slots. I think it is a PCI-E 2 but I can't confirm. I was hoping to put one of these in it: ...
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2answers
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Does PCIe x1 mean a standard height and full length?

I need a new computer that have a PCIe x1 slot that takes an standard height, full length PCIe card. In this specification (taken from HP Z230 Tower Workstation, ...
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What interface do I need for my graphics card?

The motherboard died on a gaming laptop belonging to a friend of mine, and I am rebuilding it as a desktop as a favor for him. According to the specs from alienware's website and several ...
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Can I use PCI-Express card slot (/54) to override internal graphics card on laptop?

I have an HP Pavilion DV2701TX special edition laptop. It has Nvidia 8400M GS graphics card embedded into the motherboard. There is a problem with the graphics card, it just dies out after use of a ...
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1answer
2k views

Asus PCE-N53 11n N600 PCI-E Adapter on 3.x kernel

Problem ASUS PCE-N53 wireless NIC doesn't work for latest versions of the linux kernel. How do I get it working on my system?
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334 views

USB 3.0 hard drive in usb 3 port only recognized as usb 2

Today, I bought a Sabrent CP-4PTU USB 3.0 PCI Express Controller. I installed the latest software from the website, and after a reboot, I plugged in a USB 3.0 hard drive into the controller, and the ...
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1answer
315 views

Does Disabling a PCI Device in Windows Device Manager Shut Off Power?

Hardware devices can be easily managed in Windows using the Device Manager. I am interested in completely powering off a PCI device (my graphics card, for instance). I am aware that, in Device ...
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4-Port Ethernet to PCIe Options

We are developing a distributed multi-channel data acquisition system. We are using 100BASE-TX for data transmission. However the data throughput requires a minimum of 4 Ethernet cables to the PC, ...
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1answer
28 views

How to properly install ethernet card

I picked up a PCIe ethernet card because my ethernet port stopped working. I got this ethernet card. I have the following motherboard. I'm having trouble figuring out how to plug it in. My ...