what CPU does that box have? On 2014-10-09 09:36, Mark Phillips wrote: > 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 > 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@lists.phxlinux.org >> [mailto:plug-discuss-bounces@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~(-: >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss [3] > > > > 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 > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org To subscribe, unsubscribe, or to change your mail settings: http://lists.phxlinux.org/mailman/listinfo/plug-discuss