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Questions tagged [pci]

PCI (Peripheral Component Interconnect) is an element for connecting peripherals to computers based on the IBM PC architecture.

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PCIe sriov: interruption use on virtual function

I'm working on the developpement of an sriov pcie linux driver and have some trouble with interruption on the VF. Infact my problem is that i not able to activate msix its on a Virtual function ...
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can't see the logical interface of Arcnet PCI20EX-CBX card (Ubuntu 14)

I have a PCI Express card with BNC Port, its an Arcnet PCI20EX-CBX of Contemporary Controls, normally, ubuntu has its own driver for this card implemented in the kernel under the name of : Com20020 or ...
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Why is ESXi 6.7 failing registration of NVMe SSD drive?

We have developed a NVMe SSD PCIe drive that works on Linux and Windows. The card has a minimum block size of 4K. I tested the card on ESXI 6.7. The card shows up as vmhba2 but does not appear in the ...
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49 views

Could I “plug and play” a POST card?

I have just one PCI POST card and a number of PC. I want to inspect booting process of each, in a manner, that if one is successfully booted (code 00 or code FF typically) - i need to eject POST card, ...
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124 views

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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52 views

Docked Laptop superslow wifi connection when closed

I have a Lenovo T440p, which when working at home I dock onto a docking station. There, I have an additional screen connected, so I want to close the laptop when working with the large screen. ...
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110 views

What is the name of that metal stripe, which holds PCI cards?

What is the name of that metal stripe, which holds PCI cards?
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Isolate single device into separate IOMMU group for PCI passthrough?

I have below IOMMU groups and devices. $ for a in /sys/kernel/iommu_groups/*; do find $a -type l; done | sort --version-sort /sys/kernel/iommu_groups/0/devices/0000:00:00.0 /sys/kernel/iommu_groups/1/...
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PCIe (x1) card not recognised in Windows 10 on Gigabyte GA-870-UD3

I have a Gigabyte GA-870A-UD3 motherboard. A similar model is pictured here: The motherboard has no onboard graphics. I use a single NVIDIA GeForce GTX 970 graphics card, which fits into a "long" ...
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1answer
137 views

How can I tell whether an old graphics card is PCIe or AGP?

I've been given an old(ish) graphics card, with the make and model not listed clearly, or at all, on the card. Or perhaps they are, but are covered by the heatsink. Assume also that I don't have ...
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145 views

Can PCI-e power limit be lower than 75W and will it affect RX460 performance?

I bought an MSI RX 460 4GB for my Lenovo H50 with 280W PSU. GPU-Z shows "board power limit" as 48W. I test and see GPU usage rise to 100% but power draw seems to stay at 48-50W. What does that mean? ...
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293 views

How to access ISA device in Windows 10?

I have an ISA device which I want to use under Windows 10. It was working in Windows XP but now the customer wants to upgrade their hardware and Windows. I found this motherboard (MS-98A9) which ...
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1answer
45 views

Are these graphics cards (PCI-E vs. PCI Express) interchangeable?

I'm not sure if I'm on the right Stack Exchange site but I figured I'd try here. I'm fairly new to PC building so I need a bit of help. The graphics card in my PCI is a GeForce GTX 760 which has a ...
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1answer
36 views

Why do PCI devices share the same address space?

When a computer starts up, the BIOS or operating system probes each PCI device to ask how much address space it wants. Then, it allocates the appropriate space and tells each PCI device where its ...
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505 views

how can i connect PCI card with laptop

I am working on image-based herbicide applicator. I used LabVIEW software for image processing and PCI card was used and connected CPU. In lab it is working well but, when i was working in the field ...
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Bought a DVB PCI Card; my motherboard only has PCI 1x slot. Can the card fit in that slot?

Without thinking ahead I bought this TBS8922 DVB card: After that I found that my motherboard has PCI 1x slots like below. Also, their end is opened. Can above card plug into this socket?
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How does onboard Wi-Fi get presented to the OS? Desktop Motherboard

I'm looking at motherboards and I'm debating on spending more for one with built-in Wi-Fi. I was wondering how this is presented to the OS. I'd like to use PCI pass-through, so I'm wondering if it ...
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1answer
54 views

Is it possible to install two video cards (PCI Express + PCI 32 bits) in Lenovo M58 SFF 7360 (Windows 7)?

I have a Lenovo M58 SFF 7360 with Windows 7. This is a E5200 Dual Core. I have installed a NVIDIA QUADRO NVS290 (PCI Express-x1) which works fine, but the internal video card can not work together ...
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Why doesn't this USB-C PCI card work?

I'm trying to install a USB-C device with little success. Output device requires: ≤ 8 W 4.75-5.25V, 1.5A The card is supposed to conform to USB-C spec. The device powers on, but continually ...
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975 views

How VPD is accessed via SMBus/I2C in a pci device?

Similar to what IPMI is querying, how will I access VPD of every device in a target server via SMBus/I2C? Do I need a driver for this or the i2c-dev module is enough? How to verify which is which on a ...
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Add PCI Passthrough device to VMX file VMWARE

I have an ESXi 6.0.0 (build 5572656) and am able to add a PCI passthrough device (network card) using the UI. I'd like to be able to include this when deploying a VMX file. The VMX file I'm using ...
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2answers
60 views

Windows cannot detect secondary HDD

I disabled my LAN adapter for some reason a while back. When I re-enabled it my windows froze. I tried everything and finally removed the network driver from safe mode and reinstalled it again and it ...
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1answer
122 views

One operating system across two computers?

Is it possible to cluster two computers together and run one operating system across them? I have heard of Beowulf & such, but can I cluster things like PCI devices (graphics acceleration, ...
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How to talk on both port using dual serial port PCI card on linux?

I am using MosChip MCS9865. It has two serial ports and I figured out how to talk through one of the serial port using sudo setserial /dev/ttyS0 uart 16550A command. That works great on one serial ...
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488 views

Kali Linux Wi-Fi is not showing

Today I tried connecting a Wi-Fi dongle so I could get more range on my laptop, and everything worked fine. After I got home, I disconnected the dongle (while the computer was on) and then the PCI Wi-...
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How can I tell Virtual Box to make the serial port a part of the PCI bus (and not the ISA bus)?

I have installed Ubuntu on Virtual Box, and I have enabled a serial port: I have found out that the serial port has been attached to an ISA bus and not to a PCI bus. Is there a way to tell Virtual ...
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1answer
25 views

Is the Ethernet port on mother board of my desktop dead?

The desktop was switched on and it was raining while I fell asleep. I got up instantly after hearing a loud thunder and lightening. I did hear few spiking sound within the cabinet and In a fear I ...
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55 views

What type of Mounting Bracket is this? Where can I purchase it? HP pavillion p6823w

I am in the process of upgrading several internal computer components. There are two small brackets at the bottom of the area where the fan is mounted. I would like to add some antenna ports or a USB ...
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1answer
34 views

What are the difference between these 2 wireless hardware?

On the left is Intel 512AN and on the right is Atheros AR9285 Altough i'm currently using the Atheros, but both are having different size, and i tried both can be plugged into the slot of my laptop. ...
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146 views

Asus P5BW-LA doesn't support PCIe graphics card?

I've been continuing my escapades with my 11-year-old HP a1640n pre-built which uses an Asus P5BW-LA motherboard ("Buckeye" variant which has Intel integrated graphics) running Windows XP Pro SP3. I ...
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1answer
148 views

Will the Gigabyte GeForce GTX1050TI G1 Gaming 4G work with my motherboard?

I want to upgrade my Acer Aspire XC-605. I want to get a better PSU, a bigger case and a better graphics card. I believe my motherboard is called MS-7869 DB.SRPCN.001 (I'm not sure). It has a PCI-...
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1answer
855 views

Why is the Enhancements tab missing on my sound card?

I am trying to enable Virtual Surround on my speakers. I followed these steps: Click Sounds on the control panel Select my speakers from the playback tab Click properties At this point, there should ...
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1answer
56 views

PCI RAID controller compatibility [closed]

Recently I've been thinking of buying a cheap RAID controller. I'm not experienced at all, and just want to mess around; nothing business affiliated, no specific expectations. The controllers I've ...
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1answer
120 views

What is the ll X switch for on my PCI Network Interface Card?

What is the ll X switch for on my PCI Network Interface Card? It is an old card from before 2005 i think.
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774 views

How does a PCI slot work when among PCIe slots?

Lets say a motherboard has 1 PCI slot, is it sharing any bandwidth at all with the PCIe slots? I know PCIe slots have their own dedicated lanes.
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1answer
343 views

Windows 7 PCI Compliance Regarding SSL, SHA-1, TLS-1 Vulnerabilities

How do I turn off SSL, TLS-1 support in Windows 7 to be in compliance with PCI standards? Also, I need to remove an SHA-1 certificate. I did some searching and found I can run the "MMC" tool, then add ...
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1answer
2k views

Setting up RS485 serial ports

I try to get an RS485 PCI card working on a computer having Debian Jessie installed (using systemd). I adapted the kernel using a patch provided by the card manufacturer. This seems to work as the ...
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217 views

Linux / NVMe, disable interrupt coalescing

I'm looking at testing an NVMe device with interrupt coalescing enabled, and disabled. NVMe protocol defined interrupt coalescing parameters that can be passed to the device, and in free BSD the nvme ...
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249 views

PCI Passthrough - Code 12 on Windows 7 Guest

I've gotten fairly far in setting this up, but I'm left with both the Video and Audio devices in my GTX 1070 unable to load because of this error This device cannot find enough free resources that it ...
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1answer
117 views

How can i tell windows what GPU to use

I want windows to use my GTX 950. Not my PCI video card. Motherbord updated with latest bios OS: Windows 7 Ultimate CPU: intel Core i5 760 RAM: 10GB DDR3 Which slots are each card in
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1answer
73 views

Acer Aspire V3-772g IOMMU?

I am using an Acer-Aspire-V3-772G-747a161-12TMakk and want to install Linux as host and a Windows Edition as guest on a VM. To be able to play games there I want to use PCI passthrough and therefore I ...
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2answers
731 views

64 bit pci video card on 32 bit pci slot

I am going to install nvidia geforce gt 730 GDDR5. It is a 64 bit video card. But I think I have a 32 bit pciex16 slot(See the image). My question is, can 128 bit and 64 bit video cards fit on 32 bit ...
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1answer
150 views

Internet bonding with 2 port ethernet PCI Card

If I have two separate Internet lines at home with 2 separate routers, can I achieve the same results with a 2 port ethernet PCI card, than I can with an actual binding device (like a lancer nca etc.)?...
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1answer
1k views

Do USB to PCI and PCI-E adapters exist?

I have the intention of connecting an assortment of different PCI and PCIe cards to my laptop. Obviously laptops don't have PCI or PCIe ports. Is there any adapter out there which will allow me to ...
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1answer
47 views

What do these numbers mean in regard to PCI Configuration Space

Wikipedia provides this picture to add to their explanation: What do the numbers on the right indicate or represent?
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81 views

When was PCI first introduced?

Now I have noticed on different sites that there exists conflicting information. Intel, which I obviously trust the most as well as Wikipedia says 1992. Strangely, a fairly reputable source, that ...
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1answer
327 views

Is there an alternative PCI wireless adapter equivalent to a PCI-E Archer T9E?

I just bought the TP-Link AC 1900 Wireless Duel Band PCI Express Adapter (Archer T9E) and when I looked inside my computer, I noticed my enormous graphics card was covering my only PCI-Express port. ...
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2answers
585 views

Does a x86 computer use the pci bus and pci protocols to access memory?

After viewing lspci -k: 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller (rev 06) Subsystem: CLEVO/KAPOK Computer Device 5455 00:02.0 VGA compatible ...
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1answer
255 views

Relation between PC bus and physical device slot

I'm trying to understand how a pc bus works. Here are my questions: How is a bus related to a physical onboard device slot. Please give some examples. Is it true that many device slots share the ...
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What's the rationale behind disabling USB controller PCI passthrough in Xen 4.6?

Let me expand on the title, which really is my question. I upgraded from Ubuntu server 14.04 to 16.04, breaking my virtualization setup (passing from Xen 4.4 to Xen 4.6). In the process of mending, I ...