Also, if you want to manipulate the way the kernel uses a device, you can usually find it under a directory like:

/proc/bus/
or
/sys/bus/

Using this, you can (often) deactivate a device and if the motherboard supports it, pull it out and replace it without rebooting the machine.  Very handy for replacing PCI raid cards and faulty RAM without incurring any downtime.



On Mon, Feb 2, 2015 at 2:47 AM, James Mcphee <jmcphe@gmail.com> wrote:
which bus and slot it sits in.  like if you wanted to know which card or whatnot to yank.

On Mon, Feb 2, 2015 at 1:48 AM, Michael Havens <bmike1@gmail.com> wrote:
I found the answer!

there is a phrase in the lshw manpage that says -short is "very  much  like the output of HP-UX's ioscan.'

A websearch for 'HP-UX's ioscan' brings up it's man page which states:


hw path A numerical string of hardware components, notated
sequentially from the bus address to the device
address. Typically, the initial number is
appended by slash (/), to represent a bus
converter (if required by your machine), and
subsequent numbers are separated by periods (.).
Each number represents the location of a hardware
component on the path to the device.


Could someone explain to me what 'the location of a hardware component' means?

:-)~MIKE~(-:

On Mon, Feb 2, 2015 at 1:36 AM, Michael Havens <bmike1@gmail.com> wrote:
I was wondering, I can run lshw with the -short option and it gives me a list:

H/W path  Device  Class          Description
============================================
                  system         Computer
/0                bus            Motherboard
/0/1              memory         3888MiB System memory
/0/6              processor      AMD Athlon(tm) 64 Processor 3200+
/0/0              memory         RAM memory
etc...

does anyone know what a 'H/W path' is?
:-)~MIKE~(-:


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James McPhee
jmcphe@gmail.com

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