Too many processors

I have a Dell PowerEdge 6300 with 2 dual core Xeon processors. According to
the Device Manager, I have 8 processors. I can just remove 6 of them or is
there a better way to get Windows to detect the correct number of
processors?

Thanks,

John

It's not wrong - it believe Windows will show 8 because you have 2 dual-core
processors, most likely "4-way", which will come up as 8 in device manager.
I can't say I know exactly how to explain it though because I don't know
the ins and outs of processor technology. I have an HP Proliant DL580, with
2 dual-core processors, and it comes up as 8 as well because it's "4-way".

I would not remove the processors if I were you. I'm sure someone else can
better explain it...


Hello AnytimeAnywhere,

> I have a Dell PowerEdge 6300 with 2 dual core Xeon processors.
> According to the Device Manager, I have 8 processors. I can just
> remove 6 of them or is there a better way to get Windows to detect the
> correct number of processors?
>
> Thanks,
>
> John
>

Thanks for the explanation.

I'll leave it alone.

John

"Saral6978" <sloberg@tlccompanies.com> wrote in message
news:28ab41d1aba88ca38760478bcda@msnews.microsoft.com...
> It's not wrong - it believe Windows will show 8 because you have 2
> dual-core processors, most likely "4-way", which will come up as 8 in
> device manager. I can't say I know exactly how to explain it though
> because I don't know the ins and outs of processor technology. I have an
> HP Proliant DL580, with 2 dual-core processors, and it comes up as 8 as
> well because it's "4-way".
> I would not remove the processors if I were you. I'm sure someone else
> can better explain it...
>
>
> Hello AnytimeAnywhere,
>
>> I have a Dell PowerEdge 6300 with 2 dual core Xeon processors.
>> According to the Device Manager, I have 8 processors. I can just
>> remove 6 of them or is there a better way to get Windows to detect the
>> correct number of processors?
>>
>> Thanks,
>>
>> John
>>
>
>

Just wanted to add: I suppose it could be wrong, but the fact is I purchased
3 identical servers with 2 physical processors installed (dual-core Xeon)
and each server comes up with having 8 processors in device manager. So
however Windows is coming with 8 I'm not sure, but I guess I just wouldn't
go about deleting the processors from device manager. Windows is obviously
picking up more than the actual physical # of processors installed per socket
and incorporating the dual technology, etc, and finding there is more than
2. I don't really know what 4-way means other than it was listed as a spec
next to "Server Scalability" for my server. My server can have up to 4 physical
processors installed, and then I bet Windows will then see 16 processors
in device manager if i were t install 4 dual processors total. I also have
a couple of other servers that show more than the actual physical #, but
those are also dual-core processors, etc.

If you are concerned about licensing, such as for SQL, it does go by the
number of sockets. So, in my case, even though it shows 8 processors, I
only have 2 sockets with 2 processors installed (1proc/socket), so I would
only need 2 SQL processor licenses. I have a good article on that somewhere...



> It's not wrong - it believe Windows will show 8 because you have 2
> dual-core
> processors, most likely "4-way", which will come up as 8 in device
> manager.
> I can't say I know exactly how to explain it though because I don't
> know
> the ins and outs of processor technology. I have an HP Proliant
> DL580, with
> 2 dual-core processors, and it comes up as 8 as well because it's
> "4-way".
>
> I would not remove the processors if I were you. I'm sure someone
> else can better explain it...
>
> Hello AnytimeAnywhere,
>
>> I have a Dell PowerEdge 6300 with 2 dual core Xeon processors.
>> According to the Device Manager, I have 8 processors. I can just
>> remove 6 of them or is there a better way to get Windows to detect
>> the correct number of processors?
>>
>> Thanks,
>>
>> John
>>

Just a thought: I believe device manager indicates twice the number due to
the hyper-threading of the processor. Which enables simultaneous
multi-threading of the computations. I have noticed the similar indications
of XP machines.


"Saral6978" wrote:

> Just wanted to add: I suppose it could be wrong, but the fact is I purchased
> 3 identical servers with 2 physical processors installed (dual-core Xeon)
> and each server comes up with having 8 processors in device manager. So
> however Windows is coming with 8 I'm not sure, but I guess I just wouldn't
> go about deleting the processors from device manager. Windows is obviously
> picking up more than the actual physical # of processors installed per socket
> and incorporating the dual technology, etc, and finding there is more than
> 2. I don't really know what 4-way means other than it was listed as a spec
> next to "Server Scalability" for my server. My server can have up to 4 physical
> processors installed, and then I bet Windows will then see 16 processors
> in device manager if i were t install 4 dual processors total. I also have
> a couple of other servers that show more than the actual physical #, but
> those are also dual-core processors, etc.
>
> If you are concerned about licensing, such as for SQL, it does go by the
> number of sockets. So, in my case, even though it shows 8 processors, I
> only have 2 sockets with 2 processors installed (1proc/socket), so I would
> only need 2 SQL processor licenses. I have a good article on that somewhere...
>
>
>
> > It's not wrong - it believe Windows will show 8 because you have 2
> > dual-core
> > processors, most likely "4-way", which will come up as 8 in device
> > manager.
> > I can't say I know exactly how to explain it though because I don't
> > know
> > the ins and outs of processor technology. I have an HP Proliant
> > DL580, with
> > 2 dual-core processors, and it comes up as 8 as well because it's
> > "4-way".
> >
> > I would not remove the processors if I were you. I'm sure someone
> > else can better explain it...
> >
> > Hello AnytimeAnywhere,
> >
> >> I have a Dell PowerEdge 6300 with 2 dual core Xeon processors.
> >> According to the Device Manager, I have 8 processors. I can just
> >> remove 6 of them or is there a better way to get Windows to detect
> >> the correct number of processors?
> >>
> >> Thanks,
> >>
> >> John
> >>
>
>
>

In article <OXw6i4oaIHA.4196@TK2MSFTNGP04.phx.gbl>, gm79ta@yahoo.com
says...
> I have a Dell PowerEdge 6300 with 2 dual core Xeon processors. According to
> the Device Manager, I have 8 processors. I can just remove 6 of them or is
> there a better way to get Windows to detect the correct number of
> processors?

Dual Core processors come in two types, with and without hyper
threading, so each CPU has two cores, and each core could also be hyper
threading - so, a single Dual Core CPU could show as 4 CPU.

There are also Quad Core CPU's and they show as 4 CPU's. In my
experience I've not personally seen any Quad Core CPU's that also are
hyper threaded.

When you have 8 CPU's you really need to pay attention to SQL Queries
because of parallelism and blocking.

--

Leythos
- Igitur qui desiderat pacem, praeparet bellum.
- Calling an illegal alien an "undocumented worker" is like calling a
drug dealer an "unlicensed pharmacist"
spam999free@rrohio.com (remove 999 for proper email address)

Hello Leythos,

Thanks for the explanation!! :)

> In article <OXw6i4oaIHA.4196@TK2MSFTNGP04.phx.gbl>, gm79ta@yahoo.com
> says...
>
>> I have a Dell PowerEdge 6300 with 2 dual core Xeon processors.
>> According to the Device Manager, I have 8 processors. I can just
>> remove 6 of them or is there a better way to get Windows to detect
>> the correct number of processors?
>>
> Dual Core processors come in two types, with and without hyper
> threading, so each CPU has two cores, and each core could also be
> hyper threading - so, a single Dual Core CPU could show as 4 CPU.
>
> There are also Quad Core CPU's and they show as 4 CPU's. In my
> experience I've not personally seen any Quad Core CPU's that also are
> hyper threaded.
>
> When you have 8 CPU's you really need to pay attention to SQL Queries
> because of parallelism and blocking.
>

2 hyperthreaders per core (?)
2 cores per processor
2 processors on mobo

2 x 2 x 2 = 8

Saucy