32 bit & 64 Bit memory management

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Artificer

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I have several questions on the subject of 32 bit & 64 Bit memory
management. If anybody can help me with one or more of these questions
I will appreciate it.

1.Is true that a server running a 32 bit OS and 4GB of RAM will only
report a little more than 3GB because of the addressing limitation of
the 32 bit platform?

2.Is possible to install windows server 64 bit edition on 32 bit
computer? Is there any benefit in that?

3.Is possible to install windows server 32 bit edition on 64 bit
computer? Is there any benefit in that?

4.The Intel core 2 is a 32 or 64 bit architecture? I had read an
article saying that it use a x86-64 instruction set so I am confused

5.If I have a 64 bit server and with 4GB of RAM will the system report
all the RAM or the behavior described on question 1 still applies?

6.If I have a 32 bit server capable of supporting 8GB of RAM do I have
to enable PAE or AWE in order to see the extra memory reported?

7.If answer to question 6 is NO them how the system can see the extra
RAM given the limitations described on question 1

Thanks in advance
 
Re: 32 bit & 64 Bit memory management

Additional questions:

8.Can I run a 32 bit application on a 64 bit OS? Is there any problem
associated on doing that?
9.Can I run a 64 bit application on a 32 bit OS? I am almost sure the
answer is no but I want to be sure.
 
Re: 32 bit & 64 Bit memory management

Hello Artificer,

See inline.

Best regards

Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm

> I have several questions on the subject of 32 bit & 64 Bit memory
> management. If anybody can help me with one or more of these questions
> I will appreciate it.
>
> 1.Is true that a server running a 32 bit OS and 4GB of RAM will only
> report a little more than 3GB because of the addressing limitation of
> the 32 bit platform?

Yes.

> 2.Is possible to install windows server 64 bit edition on 32 bit
> computer? Is there any benefit in that?

No. Don't work.

> 3.Is possible to install windows server 32 bit edition on 64 bit
> computer? Is there any benefit in that?

Yes. No.

> 4.The Intel core 2 is a 32 or 64 bit architecture? I had read an
> article saying that it use a x86-64 instruction set so I am confused

Core 2 means 2 processors, check the manufacturer details if it is 32 or
64 bit.

> 5.If I have a 64 bit server and with 4GB of RAM will the system report
> all the RAM or the behavior described on question 1 still applies?

Yes, it should. No 64bit has a bigger address space.

> 6.If I have a 32 bit server capable of supporting 8GB of RAM do I have
> to enable PAE or AWE in order to see the extra memory reported?

You wan't see the additional RAM, it will only be added to applications if
they are aible to use it. Must be the 2003 Enterprise edition to use more
then 4GB.

> 7.If answer to question 6 is NO them how the system can see the extra
> RAM given the limitations described on question 1

As said, you will not see the additional RAM, only some applications can
use it.

> Thanks in advance
>
 
Re: 32 bit & 64 Bit memory management

Hello Artificer,

See inline.

Best regards

Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm

> Additional questions:
>
> 8.Can I run a 32 bit application on a 64 bit OS? Is there any problem
> associated on doing that?

Yes. No.

> 9.Can I run a 64 bit application on a 32 bit OS? I am almost sure the
> answer is no but I want to be sure.

No. Will complain about the architecture.
 
Re: 32 bit & 64 Bit memory management

Meinolf Weber wrote:

>> 1.Is true that a server running a 32 bit OS and 4GB of RAM will only
>> report a little more than 3GB because of the addressing limitation of
>> the 32 bit platform?
>
> Yes.

It depends on PAE support, and the ability to remap memory in hardware.

>> 6.If I have a 32 bit server capable of supporting 8GB of RAM do I have
>> to enable PAE or AWE in order to see the extra memory reported?
>
> You wan't see the additional RAM, it will only be added to applications
> if they are aible to use it. Must be the 2003 Enterprise edition to use
> more then 4GB.

PAE gives access to ram beyond 4G.

AWE is used by an application to use more ram than can be addressed
through its user space.

Multiple applications can potentially use it all with no special
requirements.
 
Re: 32 bit & 64 Bit memory management

You might find the article at
http://members.shaw.ca/bsanders/WindowsGeneralWeb/RAMVirtualMemoryPageFileEtc.htm
useful.

--
Bruce Sanderson
http://members.shaw.ca/bsanders

It is perfectly useless to know the right answer to the wrong question.



"Artificer" <eliezerfigueroa@gmail.com> wrote in message
news:6f3145ef-a37f-4eac-b2a2-b5ef5e52c88f@2g2000hsn.googlegroups.com...
>I have several questions on the subject of 32 bit & 64 Bit memory
> management. If anybody can help me with one or more of these questions
> I will appreciate it.
>
> 1.Is true that a server running a 32 bit OS and 4GB of RAM will only
> report a little more than 3GB because of the addressing limitation of
> the 32 bit platform?
>
> 2.Is possible to install windows server 64 bit edition on 32 bit
> computer? Is there any benefit in that?
>
> 3.Is possible to install windows server 32 bit edition on 64 bit
> computer? Is there any benefit in that?
>
> 4.The Intel core 2 is a 32 or 64 bit architecture? I had read an
> article saying that it use a x86-64 instruction set so I am confused
>
> 5.If I have a 64 bit server and with 4GB of RAM will the system report
> all the RAM or the behavior described on question 1 still applies?
>
> 6.If I have a 32 bit server capable of supporting 8GB of RAM do I have
> to enable PAE or AWE in order to see the extra memory reported?
>
> 7.If answer to question 6 is NO them how the system can see the extra
> RAM given the limitations described on question 1
>
> Thanks in advance
 
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