memory

[techlists at phpcoderusa.com]

My question is what is the computer used for?  Are you using it for your 
Linux from scratch project?

If your just browsing the web and doing email, I wonder if more RAM will 
really make a difference.

When you posted your memory usage I think you had more than 400MB free.

I did a search and it appears you are running the AMD Athlon 64 3500+ 
(2.2 GHz) processor which by today's standards is not a very powerful 
CPU.  That might be why things are slower than you might like.



On 2014-10-09 11:41, Carruth, Rusty wrote:
> Michael – Wow, I’m glad Mark thought to check the max memory for
> the computer!  (Thanks, Mark!)
> 
> So, what Mark said.
> 
> The only thing I’d add is to modify ‘get the fastest memory you
> can afford’ to something like ‘get as much memory as your computer
> can hold, as fast as possible’.  There is a tradeoff here – if
> you have enough memory to keep your computer from
> swapping/paging/whatever-ing to and from disk then speed of ram
> matters.  If, however, you don’t have enough memory to keep the
> majority of ‘active’ programs in memory so you don’t need to go
> read them from the disk before they can run – well, then faster is
> better for those things in memory, but as soon as the disk transfer
> gets slower than the execution speed your faster ram is useless.  Or
> at least doesn’t help as much as it should. IMHO, of course ;-)
> 
> FROM: plug-discuss-bounces at lists.phxlinux.org
> [mailto:plug-discuss-bounces at lists.phxlinux.org] ON BEHALF OF Mark
> Phillips
> SENT: Thursday, October 09, 2014 7:36 AM
> TO: Main PLUG discussion list
> SUBJECT: Re: memory
> 
> Michael,
> 
> It seems the max memory is 4GB for that system - 4 banks of 1 GB
> sticks.
> RAM memory Capacity - 4 GB
> Memory Type - DDR2 SDRAM - DIMM 240-pin
> Data Integrity Check - Non-ECC
> Speed - 667 MHz ( PC2-5300 )
> Features - Dual rank , unbuffered
> 
> You already have 2 1GB sticks in the machines - what speed are they?
> You should match the speed for all four sticks.
> 
> The second set you mentioned are only 533 MHz, whereas your bus is 667
> MHz. If your system is slow, get the fastest memory you can afford.
> 
> Mark
> 
> On Wed, Oct 8, 2014 at 1:51 PM, Carruth, Rusty <Rusty at smartm.com>
> wrote:
> 
> Yes, 1024 is one gig, but often some memory is stolen by the
> motherboard – for example if you have an on-board graphics card that
> uses main memory for its RAM.
> 
> Personally, if you can afford it and the 4G is less than 2x the 2G
> I’d get 4G – but if you could find 2x2G sticks then you could have
> 6G total – not bad IMHO.
> 
> FROM: plug-discuss-bounces at lists.phxlinux.org
> [mailto:plug-discuss-bounces at lists.phxlinux.org] ON BEHALF OF Michael
> Havens
> SENT: Wednesday, October 08, 2014 1:43 PM
> TO: PLUG
> SUBJECT: memory
> 
> I know this is a stupid question but...
> 
> I got a Dell dimension c521. It is slow so I figure I should add
> memory. There are 4 memory slots with 2 being used. How much memory is
> that? Well, the cards that are in there say it they are two cards with
> 1024 mb apiece. 'free -h' reports
> 
> free -h
> 
>  total used free shared buffers cached
> 
> Mem: 1.9G 1.4G 489M 18M 59M 535M
> 
> isn't 1024 one gig? Where is the rest?
> 
> SHould I buy this?
> 
> NEW 4GB 4X1GB DDR2 PC2-5300 667MHZ RAM MEMORY FOR DELL DIMENSION C521
> [1]
> 
> or should I get this?
> 
> 2GB (2X1GB) RAM MEMORY CMS COMPATIBLE WITH DELL DIMENSION C521 DESKTOP
> [2]
> 
> :-)~MIKE~(-:
> 
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> 
> 
> Links:
> ------
> [1]
> http://www.amazon.com/4x1GB-PC2-5300-667MHz-Memory-Dimension/dp/B00KFND9SC/ref=sr_1_1?s=electronics&ie=UTF8&qid=1412798813&sr=1-1&keywords=dimension+c521+memory
> [2]
> http://www.amazon.com/Compatible-Dell-Dimension-C521-Desktop/dp/B00BL30RZS/ref=sr_1_3?s=electronics&ie=UTF8&qid=1412798813&sr=1-3&keywords=dimension+c521+memory
> [3] http://lists.phxlinux.org/mailman/listinfo/plug-discuss
> 
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