thanks for confirming my thoughts in the matter. :-)~MIKE~(-: On Fri, Oct 10, 2014 at 5:55 AM, Stephen Partington wrote: > Most hardware will drop to the least common denominator. So you should be > fine. > On Oct 9, 2014 10:37 PM, "Michael Havens" wrote: > >> sorry about the delay.... I had to go to work. >> >> top - 22:16:50 up 1 day, 8:59, 2 users, load average: 0.30, 0.19, 0.15 >> Tasks: 168 total, 2 running, 166 sleeping, 0 stopped, 0 zombie >> %Cpu(s): 12.0 us, 2.3 sy, 0.0 ni, 84.1 id, 1.7 wa, 0.0 hi, 0.0 si, >> 0.0 st >> KiB Mem: 1983332 total, 1812836 used, 170496 free, 57184 buffers >> KiB Swap: 5855656 total, 40496 used, 5815160 free. 560792 cached >> Mem >> >> it looks to me like the additional memory will be beneficial. >> >> Nobody answered my question; if I am sent the 533 Mhz ram instead of the >> 800 will the different speed rams play together? The reason I ask is Amazon >> sent me a letter saying my order (the 533 Mhz) had shipped then I tried to >> change my order and the company said that it wouldn't be a problem. >> Further, they didn't charge me more so I am thinking they are BSing me. But >> if they did that I would write a negative customer feedback report. SO I >> guess they really are sending me the right memory for the price I paid for >> the slower memory. This company is Computer Memory Solutions >> >> . >> >> :-)~MIKE~(-: >> >> On Thu, Oct 9, 2014 at 7:49 PM, Mark Phillips > > wrote: >> >>> I have found the best number to watch is the amount of swap used. If >>> that grows, then you need more RAM. If you are running slow and not using >>> swap, then adding RAM won't help. >>> >>> Mark >>> >>> On Thu, Oct 9, 2014 at 4:53 PM, Carruth, Rusty wrote: >>> >>>> Unless his problem is LACK of ram. Yes, I know it said 489M free. >>>> Without a look at top I’m not convinced yet that he won’t see any >>>> improvement. >>>> >>>> >>>> >>>> Here is ‘top’ from a machine which is pretty un-loaded: >>>> >>>> >>>> >>>> top - 16:40:14 up 63 days, 1:12, 3 users, load average: 0.42, 0.62, >>>> 0.67 >>>> >>>> Tasks: 287 total, 1 running, 282 sleeping, 0 stopped, 4 zombie >>>> >>>> Cpu(s): 3.8%us, 0.9%sy, 0.0%ni, 95.3%id, 0.0%wa, 0.0%hi, 0.0%si, >>>> 0.0%st >>>> >>>> Mem: 2564652k total, 2053712k used, 510940k free, 91448k buffers >>>> >>>> Swap: 6095864k total, 371340k used, 5724524k free, 516624k cached >>>> >>>> >>>> >>>> And here’s a top from one of our servers: >>>> >>>> >>>> >>>> top - 16:42:03 up 141 days, 19:59, 6 users, load average: 0.00, 0.02, >>>> 0.05 >>>> >>>> Tasks: 274 total, 1 running, 273 sleeping, 0 stopped, 0 zombie >>>> >>>> %Cpu(s): 3.1 us, 0.6 sy, 0.0 ni, 96.0 id, 0.3 wa, 0.0 hi, 0.0 >>>> si, 0.0 st >>>> >>>> KiB Mem: 32898652 total, 32469852 used, 428800 free, 2711252 buffers >>>> >>>> KiB Swap: 33506300 total, 1224 used, 33505076 free, 22613684 cached >>>> >>>> >>>> >>>> (yeah, 32G of ram. I can edit (using emacs) a 20G file with NO >>>> problems. I know because I have) >>>> >>>> >>>> >>>> Again, nice and responsive (but then this machine says: >>>> >>>> >>>> >>>> /var/log/dmesg:[ 0.000007] Calibrating delay loop (skipped), value >>>> calculated using timer frequency.. 4399.98 BogoMIPS (lpj=8799976) >>>> >>>> /var/log/dmesg:[ 0.121190] smpboot: Total of 4 processors activated >>>> (17599.95 BogoMIPS) >>>> >>>> >>>> >>>> So I suppose that’s a pretty hot machine.) >>>> >>>> >>>> >>>> On the OTHER hand, look at this machine, which runs pretty much as well >>>> as everything ELSE here I’ve mentioned: >>>> >>>> >>>> >>>> top - 16:45:51 up 51 days, 23:59, 28 users, load average: 4.79, 4.46, >>>> 4.51 >>>> >>>> Tasks: 335 total, 1 running, 330 sleeping, 0 stopped, 4 zombie >>>> >>>> %Cpu(s): 70.4 us, 0.8 sy, 0.0 ni, 28.6 id, 0.0 wa, 0.0 hi, 0.1 >>>> si, 0.0 st >>>> >>>> KiB Mem: 8159892 total, 7781364 used, 378528 free, 290460 buffers >>>> >>>> KiB Swap: 2086908 total, 0 used, 2086908 free, 5508492 cached >>>> >>>> >>>> >>>> /var/log/dmesg:[ 0.000001] Calibrating delay loop (skipped), value >>>> calculated using timer frequency.. 5985.88 BogoMIPS (lpj=11971768) >>>> >>>> /var/log/dmesg:[ 0.074024] smpboot: Total of 2 processors activated >>>> (11971.76 BogoMIPS) >>>> >>>> >>>> >>>> Again, fast cpu, but then I’ve got 4 processor-bound applications >>>> running all the time on it so its at a load average of 4.79. I’ve >>>> remembered that the important numbers come from: >>>> >>>> >>>> >>>> %Cpu(s): 70.4 us, 0.8 sy, 0.0 ni, 28.6 id, 0.0 wa, 0.0 hi, 0.1 >>>> si, 0.0 st >>>> >>>> >>>> >>>> If that said: >>>> >>>> >>>> >>>> %Cpu(s): 70.4 us, 0.8 sy, 0.0 ni, 0.6 id, 26.0 wa, 0.0 hi, 0.1 >>>> si, 0.0 st >>>> >>>> >>>> >>>> You’d have something of a slow machine. If it said: >>>> >>>> >>>> >>>> %Cpu(s): 20.4 us, 0.8 sy, 0.0 ni, 8.6 id, 70.0 wa, 0.0 hi, 0.1 >>>> si, 0.0 st >>>> >>>> >>>> >>>> Youd be going to lunch while waiting for it to finish whatever you were >>>> doing, if I remember the numbers right. >>>> >>>> >>>> >>>> IMHO, YMMV, etc, etc J >>>> >>>> >>>> >>>> I look forward to hearing what Mike discovers. >>>> >>>> >>>> >>>> *From:* plug-discuss-bounces@lists.phxlinux.org [mailto: >>>> plug-discuss-bounces@lists.phxlinux.org] *On Behalf Of *Mark Phillips >>>> *Sent:* Thursday, October 09, 2014 4:36 PM >>>> *To:* Main PLUG discussion list >>>> *Subject:* Re: memory >>>> >>>> >>>> >>>> Mike, >>>> >>>> On page 91 of the Dell Dimension C521 that I sent to you, you can use >>>> memory sticks at 533 MHz, 667 MHz, and 800 MHz. Since the original ones are >>>> 800 MHz, you did the right thing by changing your order from 533 MHz to 800 >>>> MHz. >>>> >>>> >>>> >>>> Bottom line...unless you were doing a lot of RAM intensive computations >>>> on this machine, you won't see a lot of performance improvement for your >>>> investment of $50 in the memory. >>>> >>>> Mark >>>> >>>> >>>> >>>> On Thu, Oct 9, 2014 at 2:06 PM, Michael Havens >>>> wrote: >>>> >>>> I emailed the company I bought the ram from and they said they would >>>> send the 800 Mhz instead of the chips advertised. If that happens I don't >>>> know. If it does not happen should I get the matching 533Mhz ram or can I >>>> have the mismatching speeds (will it default the the slower speed)? >>>> >>>> >>>> :-)~MIKE~(-: >>>> >>>> >>>> >>>> On Thu, Oct 9, 2014 at 12:41 PM, wrote: >>>> >>>> >>>> >>>> I did a search on "CPU family 15 Model 79 Stepping 2" and this is what >>>> I found. >>>> >>>> >>>> http://www.cpu-world.com/CPUs/K8/AMD-Sempron%2064%203400%2B%20-%20SDA3400IAA3CN%20%28SDA3400CNBOX%29.html >>>> >>>> And here is the benchmark I found >>>> http://www.cpubenchmark.net/cpu.php?cpu=AMD+Sempron+3400%2B >>>> >>>> I would say at least in part the cause of your computer being slow is >>>> the CPU. >>>> >>>> I'd be interested to hear if more RAM makes a difference. Of course >>>> RAM might effect performance if you are doing something that requires a lot >>>> of RAM. I assume more RAM will effect compile speed. >>>> >>>> This is a testament to Linux breathing life into old iron. >>>> >>>> >>>> >>>> >>>> >>>> On 2014-10-09 14:03, Michael Havens wrote: >>>> >>>> bmike1@C521 ~ $ lscpu >>>> Architecture: x86_64 >>>> CPU op-mode(s): 32-bit, 64-bit >>>> Byte Order: Little Endian >>>> CPU(s): 1 >>>> On-line CPU(s) list: 0 >>>> Thread(s) per core: 1 >>>> Core(s) per socket: 1 >>>> Socket(s): 1 >>>> NUMA node(s): 1 >>>> Vendor ID: AuthenticAMD >>>> CPU family: 15 >>>> Model: 79 >>>> Stepping: 2 >>>> CPU MHz: 1000.000 >>>> BogoMIPS: 2004.24 >>>> Virtualization: AMD-V >>>> L1d cache: 64K >>>> L1i cache: 64K >>>> L2 cache: 512K >>>> NUMA node0 CPU(s): 0 >>>> >>>> :-)~MIKE~(-: >>>> >>>> On Thu, Oct 9, 2014 at 10:04 AM, wrote: >>>> >>>> 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 [1] [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] >>>> [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] >>>> [3] http://lists.phxlinux.org/mailman/listinfo/plug-discuss [1] >>>> >>>> --------------------------------------------------- >>>> 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 [1] >>>> >>>> >>>> --------------------------------------------------- >>>> 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 [1] >>>> >>>> >>>> Links: >>>> ------ >>>> [1] http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>> [2] >>>> >>>> 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 >>>> [3] >>>> >>>> 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 >>>> >>>> --------------------------------------------------- >>>> 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 >>>> >>>> >>>> >>>> >>>> --------------------------------------------------- >>>> 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 >>>> >>> >>> >>> --------------------------------------------------- >>> 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 >> > > --------------------------------------------------- > 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 >