Looking for a tool to examine a PCIe Device tree [closed] - pci

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I am looking for a tool that can show the device tree for pci express devices including switches. I am trying to examine the topology of the pcie from root port down to debug some issues we are having with device bandwidths. Is there anything like that available?

Try lspci on linux.
Sample usage can be found in man page. I generally use:
lspci -t
To have a tree view.
In windows I think there's tool called pcitree but I never used it.

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simulator required for Siemens S7-200 [closed]

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I need a simulator for Siemens S7-200, which operates without communication of Programmable Logic Controller with PC.And it is download able version not online version.
Please help me out here.
LibNoDave had a server example where you could simulate DB and IO so that clients think that they talk to real PLC. It was working for S7 300 and S7 400, so you might check if it works for S7 200 (since library supports all of them). However you can not run your PLC application with it. If you need that then you would have to try to replicate PLC behaviour with custom PC code.

WANTED : All operative systems OS which run on the Raspberry Pi? [closed]

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I bought one of those 512MB Ram supported models, I downloaded a common image with 7 different modes to boot the system and installed the most common one.
I wondered whats possible to manage on this ARMv6 Chip. Sincu Ubuntu needs ARMv7 it will not run under this. But is there a list of many or even all ? operating systems or similiar workplatforms which are supported by this super small super computer?
I start here :
RiscOS
DEBIAN
Pidora
Raspbian
OpenELEC
Archlinux
There's a list that seems to be maintained on the RPi Distributions page on the eLinux wiki.

Documentum For Dummies [closed]

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I'm going to work in a project which has Documentum as Content Management system.
There are some customization on default documentum features such as Task Space.
I'm pretty much new to Documentum, and would like to get high level idea of it.
Any recommendations, for starting off to learn Documentum in High level ?
Any resources,blogs contents, or videos for training on Documentum ?
You can search the web for "EMC Documentum Content Server Fundamentals Guide" and then if customization needed at coding level you should read "Documentum Foundation Classes"

Rule engine in perl [closed]

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I am looking out for a rule engine in perl.
Would like to know what are the features, that should be kept in mind related to the same.
Also the context is a travel domain and the business rule related to it.
Would appreciate your views on the same.
I believe your question is answered at http://www.perlmonks.org/index.pl?node_id=722668 and other places (google for Business Rule engine Perl). Some of the suggestions are:
PIE
Bricks (could not find anything beyond this one site)
VS::RuleEngine
Rule::Engine

Learning about developing OS [closed]

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I like to learn OS development from the scratch(About Interrupt handling, about IDT, how to load my own boot sector,etc)
Can you please recommend some resources ?
Thank you.
The OSDev wiki is a good place to start.
Take a look at Operating System Design and Implementation by Andrew Tanenbaum. It contains the source to an operating system call Minix and was the "inspiration" for Linux.
The best online ressources are on OSdev Wiki. You will find all the info you need to start with kernel crafting, from toolchain to IDT filling.