Re: 256MB RAM

1998-06-04 Thread Ronald Pottol

At 06:29 PM 6/1/98 -0400, you wrote:
>On Mon, 1 Jun 1998, W.D.McKinney wrote:
>
>> Is there a MB that caches more than 256MB's of RAM ?
>
>There are a smattering of Pentium motherboards which cache 512MB of RAM,
>the Intel HX is one of those (provided you have the tag ram) and many of
>the Tyan and Asus do as well.  But that's only an issue with the Pentium;
>Pentium Pro and Pentium II systems have the cache entirely on the CPU and
>they always cache properly.  (Are they limited to 512MB of RAM, or can
>they cache the entire 4GB address space, if necessary?)

As part of Intel's scheme to get more $ from the high end server market,
the PII can cache no more than 512MB (and no more than 2 cpus), the PPro
can go up to 4GB (given the right MB [actually, the PPro has a 36 bit
addressing mode, so you go to 64GB, in theory, I think it could cache all
of it, but I don't know]) and 4 cpus (with tricks, you can go higher than
that).  So, for more than 512MB, you need a PPro (1MB cache is $2560, last
I heard) or a Xeon (the Slot2 cpu, which also runs $2-3000, and can hold up
to 2MB of cache). 



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Re: 256MB RAM

1998-06-01 Thread William T Wilson

On Mon, 1 Jun 1998, W.D.McKinney wrote:

> Is there a MB that caches more than 256MB's of RAM ?

There are a smattering of Pentium motherboards which cache 512MB of RAM,
the Intel HX is one of those (provided you have the tag ram) and many of
the Tyan and Asus do as well.  But that's only an issue with the Pentium;
Pentium Pro and Pentium II systems have the cache entirely on the CPU and
they always cache properly.  (Are they limited to 512MB of RAM, or can
they cache the entire 4GB address space, if necessary?)


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Re: 256MB RAM

1998-06-01 Thread Chris Fishwick

>> Is there a MB that caches more than 256MB's of RAM ?
> 
> I've seen MB that cache 512MB. According to some people, there are MB that
> cache up to 1GB.

My Tyan Tomcat 1563D Dual Processor board with the Latest BIOS Upgrade
(4.01)  supports the caching of 512Mb of RAM.  There are new revisions of
this board out now, which, so far as I know, support the caching of 512MB
without an upgrade.

Regards

Chris Fishwick
Technical Support
Southern Internet Services

Work Home Page: http://www.southcom.com.au
Personal Page: http://www.calvin.nu

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Re: 256MB RAM

1998-06-01 Thread Randy Carpenter

> I'm using an FIC PA-2012 and have a question in this regard. The manual
> says that it accepts up to 768MB RAM but does the 1MB on board cache cache
> all the RAM? I was under the impression that 1MB could at most cache 64MB
> of RAM.

FIC says it will cachce 256Meg.

-Randy


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Re: 256MB RAM

1998-06-01 Thread Ron Golan

On Mon, 1 Jun 1998, Ray Curtis wrote:

> >> "Igmar Palsenberg" <[EMAIL PROTECTED]> wrote:
> 
> ip> Is there a MB that caches more than 256MB's of RAM ?
> 
> 
> ip> I've seen MB that cache 512MB. According to some people, there are MB that
> ip> cache up to 1GB.
> 
> The FIC PA-2012 will handle 768MB of Ram.
> 

I'm using an FIC PA-2012 and have a question in this regard. The manual
says that it accepts up to 768MB RAM but does the 1MB on board cache cache
all the RAM? I was under the impression that 1MB could at most cache 64MB
of RAM.




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Re: 256MB RAM

1998-06-01 Thread Randy Carpenter

> The FIC PA-2012 will handle 768MB of Ram.

But the single TAG-ram chip limist cacheability to 256Mb.  Newer boards
based on the MVP3 chipset (Such as the FIC PA-2013) May opt to include
2megs of cache, and/or a larger tag-ram chip, thus extending cacheability
to 512mb-1Gb.

-Randy

Randy Carpenter - UNIX Systems Admin First Network Group
[EMAIL PROTECTED]Wapakoneta, OH





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Re: 256MB RAM

1998-06-01 Thread Ray Curtis

>>>>> "ip" == Igmar Palsenberg <[EMAIL PROTECTED]> writes:

>> "Igmar Palsenberg" <[EMAIL PROTECTED]> wrote:
>>> >Does Linux support 256MB RAM?
>>> Linux supports up to 4 GIG of RAM.

ip> Is there a MB that caches more than 256MB's of RAM ?


ip> I've seen MB that cache 512MB. According to some people, there are MB that
ip> cache up to 1GB.

The FIC PA-2012 will handle 768MB of Ram.

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Re: 256MB RAM

1998-06-01 Thread Igmar Palsenberg

>"Igmar Palsenberg" <[EMAIL PROTECTED]> wrote:
>> >Does Linux support 256MB RAM?
>> Linux supports up to 4 GIG of RAM.

Is there a MB that caches more than 256MB's of RAM ?


I've seen MB that cache 512MB. According to some people, there are MB that
cache up to 1GB.

-Dee

Igmar
W.D.McKinney (Dee) -=- [EMAIL PROTECTED]
No claim to fame, just saved by Grace.


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Re: 256MB RAM

1998-06-01 Thread W.D.McKinney

"Igmar Palsenberg" <[EMAIL PROTECTED]> wrote:
> >Does Linux support 256MB RAM?
> Linux supports up to 4 GIG of RAM.

Is there a MB that caches more than 256MB's of RAM ?

-Dee


W.D.McKinney (Dee) -=- [EMAIL PROTECTED]
No claim to fame, just saved by Grace.


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Re: 256MB RAM

1998-06-01 Thread Igmar Palsenberg

>Does Linux support 256MB RAM?


Linux supports up to 4 GIG of RAM.

>Thanks,
>ramon

Igmar


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Re: 256MB RAM

1998-06-01 Thread Stephen Zedalis



On Mon, 1 Jun 1998, ramon wrote:

>
>Does Linux support 256MB RAM?

Yes, no problem.  But you have to put a "mem=256M" in the append area of
your lilo.conf to make it recognize it.




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256MB RAM

1998-06-01 Thread ramon


Does Linux support 256MB RAM?

Thanks,
ramon



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