Questions tagged [pci-express]
PCI Express (Peripheral Component Interconnect Express)
132
questions
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What's the bandwidth and form factor for PCIe x1 x4 x8 and x16?
What speed, number of pins (physical size) are PCIe x1 x4 x8 and x16?
Normally I would google to find a photo showing the various types of PCI Express cards and their max bandwidth. Now that ...
17
votes
3
answers
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PCIe x8 NIC in PCIe x16 slot
I have a motherboard with only one x16 PCIe slot and no x8 slots. I am buying a NIC with very specific configuration, but it is available for x8 slots only. Can I plug a x8 card in a x16 slot? I have ...
15
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2
answers
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Are PCIE slots coupled with CPU slots?
I am trying to understand the hardware specification of a motherboard
(http://www.tyan.com/Motherboards_S7070_S7070WGM2NR)
Regarding Expansion slots for PCI-E,
Expansion Slots PCI-E
(1) PCI-E ...
15
votes
1
answer
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finding PCIe lanes in linux
I have a PCIe (ver 2) linux system. I want to find out how many PCIe lanes were negotiated and are being used between my device and the host controller . (I do not know how many lanes my device ...
15
votes
3
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Force renegotiation of PCI Express link speed? x2 card reverts to x1 width
In an effort to circumvent compatibility and cost barriers to using SSD drives with newer HP ProLiant Gen8 servers, I'm working to validate PCIe-based SSDs on the platform. I've been experimenting ...
10
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4
answers
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PCI Express x4 network card into PCI-Express x16 slot?
Is it possible to plug in PCIe x4 NIC into PCIe x16 slot?
6
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3
answers
5k
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Floppy power to PCI-E card in DL380 G5
I have an HP DL380 G5 server and a PCI-E card that I need to use in the server. The problem: the PCI-E card requires additional power from a 4-pin floppy connector, and the HP DL380 G5's PSU has no ...
6
votes
1
answer
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What is a PCIe slot with an "x4 slot" and "x16 connector"?
If this isn't the correct exchange for this question, please let me know. I found a PCIe slot which is described as
1 PCIe Gen3 x4 slot /x16 connector
I'm not sure what they mean by this. Is it ...
6
votes
2
answers
5k
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PCIe SATA III RAID controller card Linux setup
I recently added a StarTech 4 port PCIe SATA card to a Linux server. The card is connected via SFF-8087 to a Norco 4224 backplane and 4 new hard drives that I'd like to configure into a new software ...
5
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4
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dell poweredge pcie training error, what to do?
After telling the server to reboot, it is now displaying an “PCle training error: Internal Storage Slot” Then the next line was “System Halted!”. It will not boot.
Recently a failed scsi hot swap ...
5
votes
1
answer
589
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What is purpose of backup-power-connectors on 826701-B21 (Riser Card)?
What is the purpose of the connectors marked with 2 on the HP DL380's Riser card?
Is it something for backing up power shocks on the PCI controller connected to the port?
and if it is, then where I ...
5
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2
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Does any PCIe slot support NVMe SSD's automatically or do I need a specific M.2 slot?
I have been trying to dissect the information I find with googling, but have come to the conclusion that I cannot find with certainty the answer to the following questions:
Given you know the basics ...
5
votes
1
answer
2k
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Adding SSD cache (PCIe) to existing Linux KVM Node with SATA disks
I currently have large KVM nodes utilizing between 8 & 16 RAID10 arrays & hardware raid. We typically provision a single large volume (VM's are backed up off site as well).
KVM VM's using LVM ...
5
votes
0
answers
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How to get PCI Tx/Rx byte counters?
I know how to read statistics about the configured network interfaces, for example via cat /proc/net/dev.
Is there a way to read similar byte counters of PCI or PCIe traffic?
Apparently, according ...
4
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2
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What can be used to store generic pci and pci-express cards when they're not installed in a server? [closed]
We have a lot of PCI and PCI-express cards, and at any one time a lot of these aren't installed in a server or workstation. They are in storage. I'm interested in tips on how to store them.
We keep ...
4
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2
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What is the longest PCIe card that can fit in a Dell R310
I have a full height 4" full length 13" PCIe Card that I need to fit into a R310 or other low end rack-mountable server. Will this card fit? clearing the processor fan, memory, etc.
I've poured over ...
4
votes
1
answer
5k
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Does Dell PowerEdge R720(xd) support PCIe Bifurcation?
I want to add a bunch of SSDs to my PowerEdge R720xd, and the highest-density way to do that seems to be a card like this Dell Ultra-Speed Drive Quad NVMe M.2 PCIe x16 Card.
However, the specs on ...
4
votes
1
answer
152
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PCIE root complex failover
PCIE switches from Avago and IDT have the capability of root complex failover.
This sureley does not happen over an instant - there must be some time that elapses before the secondary root complex ...
4
votes
2
answers
3k
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Map PCIe slot number (or BDF) to device number or vice versa
Is there any way to know the drive number from BDF or slot number of a PCIe or vice versa?
Suppose I have four PCIe drives attached to my system. And I know their BDF's, I want to know each of the ...
3
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2
answers
7k
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PCI Express x1 Network Card on PCI Express x8 slot
I have a Fujitsu Primergy TX100 S2 server and I want to add more network cards. The only PCI slot is already occupied with a NIC. I have available one PCI Express x4 slot and two PCI Express x8 slots.
...
3
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2
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USB 3.0 Card for HP Proliant DL360 G7 and G8
HP's Proliant DL360 G7 and G8 have USB 2.0 compatible ports. Does anyone have any experience upgrading their G7/G8 Proliant running Windows Server 2K8 or 2K12 with one of the available PCIe cards ...
3
votes
3
answers
1k
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PCI-Express hierarchical architecture -- where is the weakest node
I'm wondering about the fact, that PCI architecture is hierarchical. Therefore, even if I have two PCIx4 slots, it's possible that I will not be able to fully utilize it, because the slots will ...
3
votes
1
answer
515
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Are PCIe v2 RAID controllers backward compatible with PCIe V1?
I am looking to add a PCIe V.2 RAID controller (LSI SAS 9280-4i4e) to an older Intel server (SR2500) which has PCIe V.1 slots.
Does anyone have any experience with using RAID controllers designed for ...
3
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2
answers
3k
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Dell R630 supported PCIe to NVMe (m.2) adapter and drive?
I can't seem to find any information anywhere about supported PCIe to NVMe (m.2) adapter and a brand of drive that will also work.
I am aware third party adapters and drives tend to work with various ...
3
votes
2
answers
4k
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PCIe sound card drivers certified for MS Windows Server 2008?
I am looking for options on sound cards with drivers certified for use on Windows Server 2008 x64 (required for a Nuance/Dragon product)...
Google searches reveal lots of rumors that SoundBlaster and ...
3
votes
1
answer
11k
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Setting pcie_aspm=off at runtime
I'm running Centos 6.8 with 3.18.41-20.el6.x86_64 Xen kernel. Due to this problem (e1000e Detected Hardware Unit Hang) I updated my grub.conf appending arg pcie_aspm=off to the default kernel, but I ...
3
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2
answers
5k
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How can I setup PCI passthrough for my HighPoint 1144A USB 3.0 card under ESXi 5.1?
I have an Apple Mac Pro (MacPro5,1) running VMware ESXi 5.1.0 (799733) with a HighPoint RocketU 1144A USB 3.0 PCI-express card installed. Given that VMware ESXi 5.1 doesn't support USB 3.0 for host-...
3
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1
answer
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NVMe driver for Illumos: can it be considered usable?
Can the NVM Express (NVMe) driver driver-storage-nvme for Illumos be considered usable? It would be nice to use e.g. an Intel DC P3700 PCIe drive for L2ARC as the SAS2 and 3 SSD drives are awfully ...
3
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2
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Why do internal <> external SAS expanders require a PCIe slot?
I have seen examples of home-brew NAS units that use SAS expanders plugged into a host motherboard that has neither a CPU or memory, literally for the purpose of powering the card. If the card doesn't ...
3
votes
0
answers
4k
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Can I Intentionally Disable PCIe Lanes? Or lower PCIe Width?
I am doing some testing on my server and want to lower the width to my PCIe device (or its PCIe bridge).
In case it is relevant, I figured out how to lower my speed based on the PCI Spec with Linux'...
3
votes
1
answer
324
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Using PCIe as an Interconnect Connection [closed]
I was researching about connecting multiple server nodes together to share resources. I came up to this page: http://www.plxtech.com/applications/cloud
From what I read, I see this is possible.
...
2
votes
1
answer
747
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How much PCI-E bandwidth can my SAS HDD array make use of?
Note: This question is real-world, but to analyse it, please note I've begun from a "theoretical" starting point of device and bus capability, which I acknowledge will not usually be at all ...
2
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2
answers
2k
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PCI-E Connection between two servers?
I'd like to achieve PCI-E Gen3 X16 duplex speed for my server file transfers. I thought about this and asked myself why not.
I saw cable connecting PCI-E slot and a PCI-E riser card. So I believe ...
2
votes
2
answers
676
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PCI-X compatible with PCI Express
I have a dell disk array that is a few years old as well as a pci-x scsi card. I would like to put pci-x scsi card in my dell r805. The dell r805 only has 4 pci express slots and no pci-x slots. I ...
2
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1
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HP DL585 G6 and PCIE SSD
We recently acquired a HP DL 585 G6, fully populated with SAS drives etc, we want to use a PCIe SSD and have brought an Asus RIADR Pcie SSD however the bios fails to recognize this, can anyone suggest ...
2
votes
1
answer
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Booting from PCIe SSD on Dell T3600
One of our local workstations SSD is severely slow. I can't seem to find much resources on whether or not the latest BIOS supports booting Windows Server from a PCIe SSD. If it doesn't, is there a way ...
2
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2
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PCIe 3.0 downgraded to 2.0 speed
I have a dual Xeon board with Intel C602 chipset and two E5-2670 CPUs. The board comes with five PCIe 3.0 x16 slots and a PCIe 3.0 x4 slot; all of which are directly connected to the CPUs.
I added a ...
2
votes
1
answer
589
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Does the Intel DX79TO motherboard support x8 devices (SAS HBAs) on PCIe x16 slots?
Context:
I have an Intel DX79TO motherboard and a Sun SAS3081E-S/LSI 1060E-S HBA card with a PCIe x8 interface. I plug the HBA into my mobo next to my graphics card, and the HBA power lights ...
2
votes
2
answers
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How to find an HP desktop/workstation with PCIe power and room for double-high card
I am searching for an HP desktop or workstation with an Intel i5 or i7 processor that would support a "large" graphics card like an ATI Radeon 6850, which has two PCIe power inlets and which takes up ...
2
votes
1
answer
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Mechanical versus electrical PCI-Express on PowerEdge R515
Can somebody clarify my understanding of this mechanical versus electrical for the PCI-Express expansion slots in a Dell PowerEdge R515:
http://picpaste.com/R515-rWjduw1e.png
What I assume this ...
2
votes
2
answers
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Are there dual port PCIe x1 gigabit NICs available?
Are there dual port PCIe x1 gigabit NICs available?
I only know of ones that require a x4 slot, but if PCIe v2 doubles the bandwidth per lane, and PCIe v3 quadruples it, there ought to be dual port ...
2
votes
1
answer
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HP DL180 G6 Storage Edition (14x LFF) - Help Adding NIC ports
I have a whole bunch of these (18+) currently running. The DL180 G6 has 2x NIC ports both of which we are using, and one 16x PCI-e slot on a riser, in our case, occupied by a RAID card (mostly P410s)....
2
votes
1
answer
4k
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HP Proliant DL380 G7 compatible with Kingston SKC1000H/960G PCIe SSD NVME?
Can anyone confirm if they've successfully installed and operated the Kingston SKC1000H/960G PCIe SSD NVME card in an HP ProLiant DL380 G7 Server? If so, is it just plug-and-play? Does the extra ...
2
votes
2
answers
366
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Determining if upgrading to a fast PCIe SSD drive is worthwhile on a dual Xeon Nehalem system with PCIe v2.0
I am considering upgrading my workstation (almost a server) with a bootable PCIe drive, the 2TB version of the Samsung 960 Pro. But having a system with PCI v2, SATA II I am not sure if this makes ...
2
votes
1
answer
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Poweredge R710 USB 3.0 pcie card boot drive
Is it at all possible to boot the R710 from a pcie USB 3.0 card to have that as the boot up drive? And if thats possible which riser does it need to be installed in? Riser 1 or riser 2?
Reason for me ...
2
votes
3
answers
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PCI Express Ethernet Switch : what's the point?
How is this kind of card used ?
Is it used to make a computer used as a real switch ?
Or does it just bring 4 NICs ?
I want to use a server as router (need 4 NICs) can I use this card ?
Are the ...
2
votes
1
answer
243
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Intel S2600JF server: Processor PCIe Link Speed menu in the BIOS is missing
i have a Intel 4 node server with S2600 JF motherboard per node (older, DDR3 RAM, E5-2600 v1 and v2).
I want to insert a NVMe pcie card (with two drives) that requires bifurcation.
Based on the ...
2
votes
2
answers
2k
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Hardware RAID array using PCIe based storage? (M.2 / U.2 / full PCIe slot)
Is there currently a mechanism for constructing a hardware RAID array using storage devices that have a full-size PCIe slot, PCIe M.2, or PCIe U.2 bus interface, such as SSDs?
It is extremely ...
2
votes
0
answers
715
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Manually executing option roms (PCIe SATA storage card)
I have an older Dell server, a Poweredge 2900 II, and I would like to use it with large HDDs (> 8 TB). For this, an expansion card is needed, since the motherboard nor the PERC RAID controller can ...
2
votes
0
answers
348
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PCIe: Why pciehp gives contradictory log info
I am running fio jobs on my NVMe SSD and hotplug it then. The platform is hot-pluggable and the system is Centos 7.0.Several seconds after my plug-out, the system encounters a crash and gives these ...