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Questions tagged [pci-express]

PCI Express (Peripheral Component Interconnect Express)

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Internal HDD keep being dropped

I own a server on which I run flexraid and since a couple of weeks, I get the issue that whenever the server is doing some heavy operations on the RAID, one or more harddrives get dropped. In order ...
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PCIe “lanes” and splitting them for Graphics cards [migrated]

I'm a sysadmin who is lost in the world of Graphics cards and PCIe lanes. Can someone please explain how it works without assuming that I know the basics of graphics cards? Lets take the following ...
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Is the HPE Proliant DL380 gen 10 compatible with Thunderbolt3 card?

I am trying to answer this question for my work place, but I have very little knowledge on this topic. The ultimate goal is to get an external GPU for work with ESRI products. Most (maybe all that we ...
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1answer
71 views

How Infiniband manages to have 100Gbit/s

How Infiniband manages to get a speed of 100Gbit/s. The PCIE x16 has maximum speed of 32Gbit/s. For example, NVidia DGX-1 station has 4 such ports. How is this possible?
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1answer
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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)....
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0answers
49 views

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 ...
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0answers
82 views

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 ...
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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 ...
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2answers
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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 ...
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152 views

PCI Express 2.0 x16 vs 3.0 x8

Will a PCI Express 2.0 x16 graphics card fit in a PCI Express 3.0 x8 slot, and if so, will it affect the performance? Theoretically I take it the two configurations should be equal with respect to ...
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Using non-FUJITSU 10Gb Ethernet Cards in FUJITSU servers

We are currently trying to upgrade old servers to 10Gb connections. The servers in question are: PRIMERGY RX200 S6 PRIMERGY RX300 S5 Our FUJITSU partner told us that there were no cards available by ...
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Dell Poweredge R620 PCIe Training error what to do?

After the startup, the server show the "PCIe Training error :Integrated RAID" And then "PCIe express error interrupt at F000:B891" My thought is that the controller raid is broken Any help?
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Can a standard PCIe card fit on top of VLP (Very Low Profile) memory?

I am dealing with a motherboard https://b2b.gigabyte.com/Server-Motherboard/MZ31-AR0-rev-1x#ov where multiple memory slots are situated right in front of several PCIe slots and hence a full-length ...
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2answers
1k views

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 ...
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SFP Card compatibility

We are installing our first "professional" server configuration in the office. We will install a HP ProLiant DL120 Gen9 that will provide a hypervisor based on CentOS / KVM and should be connected to ...
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1answer
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Only one link comes up on dual PCIe 10-Gigabit card

Background A server running Ubuntu 16.04 Dell X520 (based on Intel's 82599) is connected via PCIe ixgbe driver was installed from here and comes up at boot Issue The card is recognized by the ...
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55 views

Compatibility criteria between PCIe component and the motherboard

I have a Gigabyte (GA-B85-HD3 2.0) motherboard and an LSI SA9201-16e, however am not seeing the BIOS configuration menu for the card on boot. The motherboard only has one PCIe slot that can accept the ...
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1answer
2k views

HP Proliant DL380 G7 compatible with Kingston SKC1000H/960G PCIe SSD NVME?

Hi to all the experts out there. 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 ...
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1answer
612 views

Change the NUMA node where a PCIe device is attached

Modern servers using multiple physical CPU sockets have NUMA. PCIe devices are attached to one specific NUMA node as the PCIe controller is embedded in the physical CPU chip. Is it possible to change ...
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1answer
71 views

PCIex lanes on Supermicro X10SRH-CF

I am trying to set up 5 GPUs on X10SRH-CF to run Tensorflow, but cannot seem to get the board boot up with more than 3 cards plugged in. In some layout I get it to boot with 4 cards but OS (Ubuntu ...
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1answer
71 views

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 ...
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1answer
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HP PCIe 8GB FC Adapter not visible on Windows Server 2012R2 [closed]

Anyone who can assist me. I have a HP Proliant GL360, On Boot, the HP PCIe 8GB FC Adapter drivers are visible. Once logged on the server, when I go to Network Connections, I can't see the adapters. ...
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1answer
719 views

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 ...
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1answer
523 views

How to differentiate GE, Optic and FC adapter/SFP?

I'm going through old switches laying around and find myself troubled by all the different connection types the PCI adapters and their SFP have. I found a 10GE (gigabit ethernet?) SFP that says it's ...
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1answer
624 views

Linux: Disabling Interrupt Coalescing for NVMe device

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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1answer
349 views

Can I connect a PCIe 2.5" SSD to a regular PCIe 3 slot?

I'm looking to upgrade my server's storage. It currently has SATA SSD storage but I would like to add to it an even faster PCIe3 SSD. It's a full tower with a few empty PCIe3 slots but no PCIe3 ...
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1answer
3k views

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 ...
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0answers
330 views

Clear BIOS “PCI auto configuration”

I got a new HP ProLiant dl360p G8 server. I bought an SFP module from amazon that was made for HP servers. When I turn the server on, the link light stays lite until the BIOS makes it to PCI auto ...
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1answer
3k views

Splitting an IOMMU group for PCIe Passthrough

I am trying to passthrough my graphics card to a virtual machine using kvm and libvirt. I get an error message when I try to passthrough the card without binding an ethernet card which seems to be in ...
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2answers
4k views

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 ...
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1answer
8k views

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 ...
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2answers
264 views

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 ...
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1answer
640 views

Intel server board s2600cw2r boot from nvme?

I have upgraded BIOS to 19 for supporting efi boot, but I can't see my nvme ssd in the boot manager yet.
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1answer
1k views

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 ...
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1answer
643 views

Dell t430 very loud fan noise with pcie ssd

I have new server Dell t430 2 xenon e5-2640v3 64gb ram, 2x 1TB samsung evo 850 ssd and 2x Intel PCIE p3500 400gb ssd. When I installed Intel PCIe ssd server fan ramp up to 80% and is very loud. I ...
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1answer
3k views

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 ...
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Set a upper bandwidth limit for Infiniband HCAs

I have to deal with PCIe congestion and I need to find a way to reduce PCIe traffic. I get several IB cards in one node (among other PCIe devices). HCAs are FDR Infiniband. Putting those HCAs in FDR-...
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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'...
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2answers
756 views

C602 Chipset and PCIe Gen3

I've been working recently on a Supermicro X9QR7-TF+/X9QRi-F+ server. I took the user's manual and saw two things: the chipset is Intel C602, and the expansion slots are PCIe 3.0. According to Intel'...
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2answers
243 views

HP ML350p Gen8 won't boot from PCIe SSD [closed]

I have a HP ML350p Gen8 with a PCIe SSD and I'm trying to boot from it, but it won't do it. I can see the PCIe SSD in the list of hard drives when to choose where to install windows 10 pro, but after ...
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1answer
2k views

HP DL380 G5 supported PCIE SSD/boot from SSD

I currently need a PCIE SSD to my G5's due to SW incompatibility with the P400 raid controller. Is there any PCIE ssd compatibility list? I've seen here that the Asus RAIDR Pcie SSD probably works ...
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1answer
946 views

Precision T5810 Workstation and INTEL SSD Series 750

I'm trying to spec out a Precision T5810 Workstation and install a INTEL SSD Series 750 drive in it. According to the top rated review at http://www.amazon.co.uk/INTEL-Series-400GB-Full-Height/dp/...
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260 views

S5000PSL PCIe slots dead?

Summary: PCIe HBAs do not function in 2 out of 4 slots on board. Setup detail and previous steps: I have an Intel S5000PSL board currently populated with dual xeon CPUs and 32GB RAM (8x4GB). The ...
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461 views

PCIe link is not up?

I have purchased a P4080 PCIe board from freescale which is in PCIe form factor. According to the documentation, if I connect the device into the motherboard PCIe slot and then turn it on after PC has ...
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1answer
984 views

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 ...
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1answer
94 views

TP-Link TG-3468 on an IBM x3850 M2

I got a networks card from TP-Link. It is the TG-3468. I wanna place it into my IBM server x3850 M2. It has PCIe x8 slots. The slot is a little bit longer than the lenght of the card, but it fits. ...
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1answer
1k views

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 ...
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1answer
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Will a 12.28“ x 4.2” x .68" PCIe card fit in a Dell R510?

I am planning for a phone server and plan to get a Dell R510 to house two Asterisk 2400 series PCIE cards. (model 1AEX2406EF to be exact). I know the card is 12.28" x 4.2" x .68" (31.19 x 10.67 x 1.72 ...
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142 views

Is using a PCI-E SATA Controller equivalent to the onboard controller

I have a Windows Server, in which the on-board SATA controller is broken and the machine can not identify any of the connected disks. To overcome the issue I am thinking of buying PCI-E SATA ...
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1k views

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 ...