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P52 - BIOS 1.28 updates memory speed to 2666MHz!

Q: P52 - BIOS 1.28 updates memory speed to 2666MHz!

Hi everyone! Lenovo Vantage just offered me BIOS 1.28 on my P52. Reading the changelog, I noticed it unlocks the 2666MHz memory speed! So, I checked my system before the update and the memory was running at 2400MHz, as expected, because of "Intel limitations". After the update, I could confirm the memory was running at 2666MHz! A free performance update is always welcome :-) Martin

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im about to order a memory upgrade for my soon to be here p51, can i order the 2666mhz or even a 3000MHZ for it ? https://www.amazon.com/Corsair-Vengeance-Performance-Unbuffered-CMSX32GX4M2A3000C16/dp/B01G260V2C/re... this model to be exact

A:P51 = XEON 1505 can handle a 2666MHZ/3000MHZ memory ?

Hi doronazl,
Welcome to Lenovo Community! And happy to have you here.
If you are ordering from Lenovo, they will only configured the system with 2400Mhz memory, buy by looking at the parts lookup of ThinkPad P51 it has an option of 2666Mhz Memories of both 8GB and 16GB.
So it can handle both 2400 and 2666Mhz memories. Detailed memory specifications : 64GB max7 / 2400MHz DDR4, ECC or non-ECC (ECC function supported only on Xeon processor), dual-channel capable, four DDR4 SO-DIMM sockets.
I hope the above information helped you.
Please feel free to post in Lenovo Community Forums if you have any further queries!
Regards,Prabhansh_______________________________________________Tap that Kudos button if I helped.If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"!

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 Lenovo ram is quite expensive that I have seen and wonder if anyone on this board would know what kind of 16 GB stick would fit well with my existing 16 MB stick on the X1 extreme ?

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I just installed 32GB of the 2666MHz ram found from the official Dell Upgrade site and when I booted to bios it showed that my ram was 2400MHz. Is this normal and it just shows 2400 but performs as 2666 or is there something wrong

A:Installed 32GB of 2666MHz ram in my dell xps 15 9560 but bios shows it as 2400MHz

The memory controller is aboard the CPU - the memory speed is set by the CPU itself.  What model CPU do you have?

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Hi I just bought a new pc and asked for Corsair 16GB pc3 1200 1600MHz 4x4 GB DDR3 to be installed but when I checked the bios it lists
Memory frequency 1337.68MHz
Total Memory size 16384 MB
should the frequency not be 1600MHz ?

A:Memory speed in the bios

Quote: Originally Posted by baccini

Hi I just bought a new pc and asked for Corsair 16GB pc3 1200 1600MHz 4x4 GB DDR3 to be installed but when I checked the bios it lists
Memory frequency 1337.68MHz
Total Memory size 16384 MB
should the frequency not be 1600MHz ?

On a lot of PCs the RAM frequency is set to DDR3-1333 by default. To get something different, you may need to set the BIOS to use the XMP (extreme media profile) settings, or manually set the RAM frequency and timings.

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Hello. I just recently bought a HP Probook 430 G3 with i5-6200U, 500 GB HDD and 4 GB RAM. I have several questions  regarding this product: 1. At startup, I  wanted to enter BIOS to check some of the specs. Due to a misunderstanding, in the Startup menu, I pressed the "Update System BIOS" option at the bottom. Based on an erroneous reading of HP manual, I thought it would open first a menu with the information about the BIOS. Instead, it told me something along the lines "HP cannot find the BIOS firmware bin files. Make sure you have the bin files in some (kind of) HP/Product/New folder on your HDD or a USB flash". I pressed ok and the laptop rebooted normally.Can anyone tell me what was that all about? In my case, nothing really happened because I had no BIOS update files on HDD or USB, but shouldn't the user be asked at least for one confirmation before HP tries to update the BIOS? Or maybe that confirmation is asked AFTER HP find the necessary files? If HP goes straight to business, so to speak, when upgrading the BIOS, that's quite dangerous, because in this case it is quite easy to accidentally press the wrong command, no? 2. I found on the net conflicting information regarding the memory for my model: one manual says 430 G3 uses DDR3L memory, another says DDR4. Which is it? 3. The memory speed listed in Computer Setup is 2133 Mhz and, the Windows indicates the same speed, but programs like SandraSoftware or CPU-Z says th... Read more

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How can I set up manually to increase Lenovo G40 memory speed as it's not available/shown in The BIOS options has too few choices to tweak the device conveniently  

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Hello,Recently got a e480, very happy with it so far, using it only for Ableton/audio productionI just installed another stick of 8gb memory (so 16gb in total 2400mhz DDR4 running in dual channel mode)CPU-z reports the memory at idle at around 667mhz with a 1:10 FSBRAM ratio , when running benchmarks or certain programs it cycles up to 1:18 and a memory speed of 1200 mhzi'm guessing it's dynamically adjusting ram speed depending on usageis there anyway of locking the memory speed at the 1:18 / 1200 mhz settings ? I'm using high performance mode and throttle stop with a -100mv which enables me to keep the CPU at 3400mhz , would be great to lock the memory at the rated speed as well instead of it dynamically adjusting clocks on the fly thanks 

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For example this:http://eu.crucial.com/eur/en/bls8g4s26bfsdk I want to use in dual channel so i want to buy two.

A:Lenovo Y520 Can i use 2666mhz ram?

yes but it will run on your mother board maximum allowes 2400mhz

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I have a motherboard that has a FSB of up to 400MHz.
My processor is an AthlonXP 2200 which can only run at 266MHz
My memory is 256MB DDR DRAM PC2700
SisSoftware Sandra testing tells me my memory speed and processsor speed do not match. Question is: Does this really matter? I know a processor upgrade would sort it but a)the computer seems to run fine and b) I daren't try to sneak ANOTHER pc purchase past the wife! (just yet);-)

A:Memory speed faster than processor speed

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Obviously higher is better, which is more important? Would a card with less memory (64MB) and higher speeds run better than a card with more memory (128 or 256MB) and lower speeds? If speeds are = then a card with more memor would work better, correct?

A:Core Speed and Memory Speed

List the models you are comparing to.

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Hello I just asking if there is Spectre and Meltdown patched bios coming to Yoga 910-13IKB. Latest bios is old from June 2017, which don't have any patches for Spectre and Meltdown. Also I would want to have newer Graphics driver. Available driver is even older than bios and Intels own drivers are not supported. I was suprised that Windows 10 1809 worked with this old drivers. 

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I want to upgrade the memory of one of the pc's in our house. I get low memory alerts often and I can't delete much else to create room. I have never opened up a pc before, and I don't want to screw up and make things worse. The pc in question is a HP Pavilion a1150Y with a Intel Pentium 4 (3.00 GHz). OS is Windows XP SP2. It came with 512MB RAM and I would like to go up 2GB. I went to www.crucial.com, ran the system scan, and it says that this type of memory can go into that pc: "DDRII memory with support for DDR2 PC2-4200,DDR2 PC2-5300,DDR2 PC2-6400,DDR2 PC2-8500 speeds." I don't know what speed I should be installing. Any help would be greatly appreciated.

A:How Do I Check Memory Speed To Upgrade Memory?

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I?m currently updating the BIOS of some Lenovo ThinkCentre M83 PCs and I came across a problem. The Flash UEFI BIOS update (provide by Lenovo) worked almost perfectly on the first PCs, despite it didn?t automatically open the console and started the flashing process.Anyways I did go on with my work. Almost all other PCs had the problem that when the second phase (yellow font)/ afudos.exe imagefb.rom /defans /capsule /b /n /r /sp started the afuwin.exe stopped working (it crashed). It seemed like the Update wouldn?t get done this way so I decided to try it with the USB Flash method, also provided by Lenovo, but it also didn?t work. It says in the second phase ?15 - Error: Secure Flash function is not supported on this platform? Last but not least I tried to update the BIOS with the CD-ISO but when updating with this method it says that the BIOS-Version is too old. Some information about the system: ThinkCenter M83Type: 10BE0003GEOS: Windows 7 SP1 64bitBIOS-Revision: FBKT73AUSBIOS last Updated: 01.April.2014 Furthermore Information what I found out:BIOS-Revision seems to not matter (same version but some worked some not)Doesn?t matter if BIOS is set to UEFI only or Legacy onlySecure Boot also seems like it doesn?t matter if its on or notWhen the afuwin.exe crashes it only writes a return codeI use the update provided by this Page from Lenovo (Update: fbjycpusa)https://pcsupport.lenovo.com/de/de/downloads/ds035753 Thanks... Read more

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Hi. I am hoping you can help with an issue I am having with memory in my sons PC. It does not seem to be running as good since I installed 16gig of memory.

Motherboard - ASUSTeK Computer INC. M5A78L-M/USB3
Processor - AMD FX-4100 @ 3.60 GHz

It had 1 4gig stick of Kingston KVR1333D3N9 but I have upgraded to 16gig 4x4gig of Corsair Vengeance 1866MHz DDR3 Blue CMZ8GX3M2A1866C9B.

OK. When I was looking into this upgrade I read somewhere that if you have an AMD FX processor then this board will manage the 1866Mhz modules.

When I run tests I get a third of that speed. (If I am reading it right)

Geekbench 2 - Memory -Memory Performance 3595
Stream -Memory Bandwidth Performance 3727

CPU-Z - DRAM Frequency 669.7Mhz (IS THIS WHAT SHOULD BE READING 1866Mhz??)
NB Frequency 2009.1

Is this the wrong memory fr this board? There are no drivers for memory are there?!?

Thanks in advance.

A:Memory speed - wrong memory???

CPUz is showing it running at 1333. The ram is DDR (double data rate) you double the figure you see in CPUz. Does your bios allow you to set the frequency, voltage and timings? Please Post a screenshot of CPUz showing the memory tab and the SPD tab.

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My windows xp 64 bit runs super slow after windows loading sign and it takes me 2 hrs to open up the desktop and transfer 6 images. I use 2 RAM's of 2gb (kingston DDR2). When I opened up BIOS, it showed 640k as base memory and 126m as extended memory.
There are no details under the computer title if I try to check the properties of computer or maybe it is just taking too much time to display. the desktop is fine, my computer still works but takes hours to do a simple task. it all started all of a sudden. Also I would like to know if 'unganged mode' is fine as it is displayed when the system boots. I tried to check another different RAM on the computer, but still no change, so I am confused regarding the problem.

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Hi! I have HP probook 440 g1. By default I have 128MB video memory. Then I tried to increase video memory size to 512MB from bios. But it's not working. It still showing 128MB. Can you help me please?Thank you! 

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Hi - running patch current Windows 8.1, and am having an ongoing but not always constant issue regarding how much memory I have available to me on any given boot of Windows.
I have 32 GB of memory installed on the computer, and yet almost 17.3 GB of that is not available to me, and is shown as Hardware Reserved when I look at the Physical Memory in the Resource Monitor.
I have validated the memory is error free through multiple runs of Memtest, have removed memory strips and blown out any possible dust from memory slots, and SOMETIMES, it properly will show me around 30.4 GB available, however most boots it is showing pretty
consistently that 17.3 GB is flaged as Hardware Reserved.

I did some searching, and have tried some of the suggestions, such as making sure the Maximum Memory box is not checked in MSCONFIG, and have also tried editing ClearPageFileAtShutdown in the Registry to change it from the default value of '0' to a
new value of '1'.  Nothing has worked thus far.
I DO need access to as much of that 32 GB of memory as possible, due to this computer using huge amounts of memory as a Digital Audio Workstation, recording music with huge volumes of samples loaded fully into memory.  Performance suffers greatly when
half of what is installed is not available.
I have also looked in the BIOS for any ways to adjust video memory and memory mapping and neither exists in the BIOS at all for me to try anything with.  The CPU happens to be an AMD ... Read more

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I recently did a new install of Windows 7 64 bit. I noticed windows showed 4Gb of ram (2.75Gb usable). I read tons of articles after googling this and tried several options to free up some more ram.

I have 2 options in bios to change memory remapping over 4GB. S/W and H/W.

When I enable S/W remapping, windows boots everything seems fine but I get a crackling sound from speakers. Bios shows 4Gb (3Gb usable). Windows shows 4Gb ram (3.0 available).

When I enable H/W remapping, windows BSOD during boot, but bios shows 4Gb ram and all 4 Gb available.

So, does anyone have any suggestions as to how to eliminate the BSOD after enabling H/W memory remapping? Try installing Windows 7 again? I read some people saying bump up the voltage on ram perhaps? I've never done any overclocking, but would try if someone thinks it may help.

I've tried several different setting. Any help would be greatly appreciated.

A:4Gb memory (2.75 Gb usable) memory remapping in bios causes BSOD

This sounds almost like a bios memory compatibility issue to me.
Have you tried checking the ram in both modes using memtest?
RAM - Test with Memtest86+
Since the memory is obviously the center of this I think it bares testing.
Keep in mind you'll need several passes each way with memtest to get any kind of accurate result and will take some time

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how and where can i do this for the O/S and software

A:driver updates and bios updates

If your computer is running well I would not try to fix something that isn't broke. Other than installing updates for Windows and anti-malware, newer sometimes isn't better.

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HelloGood daysorry for my bad englishi have lenovo thinkcentre m77serial number: xxxxxxxbut its damaged unfortunatelyso i take the motherboard a88 and put it in another case with
OS: Windows 7 Ultimate SP1 64bitCPU: AMD Phenom II x6 1055TRam1: KingStone DDR3 1333 4GBRam2: KingStone DDR3 1333 4GBGPU: Gigabyte GTX 1050 TIPSU: Evga 650w Bronz
the motherboard work very fine but the only problem i have is the ram countin bios setting it's read all 8GB of ram but in windows read only 4GB and other 4GB is usable please find below filesalso i changed the ram places and also update the bios from 9VKT29AUS to 9VKT33A but i have no option to change anything in bios settings exception few option like video memory and some power otion and boot sequancehow i can fix this problem and mybe i add another 8 gb in futurealso i need the manual to connect my front panel light ( power led, HDD led, Speaker)all i need to skip this problem is change the bios system to have more control or option with ram and cpuplease find pictures in drive
best regards
Mod:  serial number obscured per forum's security policy

5.jpg ?477 KB

A:M77: BIOS memory settings to enable 8GB memory

ThinkCentre front panel connector (power, audio and USB) pinouts

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Hello ..
Hope everyone all right
I want to know is any way to decrease the windows 7 updates from taking soo long to check and to install
Hope I ask in the right forum.. otherwise sorry
Thanks in advance

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I just purchased a P-4 D 945 and also bought a new mob which is an Abit AB9-Pro. I read that its not much good to buy the ddr2 800 if my cpu is only 800fsb. Is this true? Damn memory is so expensive! If I only need 667 memory then why pay more for the 800? Is there that much of a difference in performance from 667 to 800? Also, all this info about latency timings clouds my thinking! I'm usually just a gamer with a pci expressX16 evga 6800 ultra.My max memory for my mob says 8 gigs but I also read that windows xp may only recognize 3 gb? I have 4 ddr2 slots,2 - channel. I'm going to start off with 2X1gb in dimms 1and3 then mabe in a couple of paydays I'll get 2 more 1gb sticks.Ive been watching Pricewatch and they have a pair of corsair 1gb(DDR2 6400/ 800 XMS2),$240.00 after rebate and is rated a 5 egger. seems to have alot of good reviews on newegg but some not so good,alot of DOAs.Any input would be much appreciated!By the way, my mob is abit ab9-pro with an intel 965 chipset.I know some boards are picky with which type of memory to use.Does anyone know the best compatible memory for the 965 chipset board?

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I just assembled an Athlon XP 2000+ with MSI KT4V mobo and 256 MB DDR 2100 and etc with windows XP Pro . When I checked memory speed under bench mark I get a read speed of around 1730mb/sec and a write speed of 570 mb/sec. The type or make of memory is not reported. From the list I find my system ranks much below other equivalent systems. My FSB freq was set to 133 MHZ and cpu freq is reported as 1667 mhz. All other settings are default.

Is there some problem?

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Is PC2700 faster than PC2100 memory?


A:Memory Speed

Get your answer here:


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Hello from Greece! I own a G 50 30 / 80 g 0  my question is why cpu z is only showing memory speed at 666mhz can i change it in bios?  Thanks!

A:G 50 30 memory speed

Hi Dpota,
Welcome to Lenovo Forums.
1333 MHz is the effective clock rate. DDR means double data rate, data is transferred on both the rising and falling edges of each clock making 666 MHz effectively the same as 1333. CPU-Z is showing you the actual clock rate. That's perfectly normal you have nothing to worry about and the RAM is working correctly at the right speed.
(666MHz) 9-9-9-24 is the delay between certain memory operations (measured in clocks). Lower numbers are better, but they are also relative to clock rate. 9-9-9-24 is a little slow for 1333 MHz, but you should not try changing it as it can lead to system instability.
Let us know how you get on.
Tap that Kudos button if I helped  If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! 

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Hi Got a memory question that i,m not sure why it shows up as it does. I have a hp A747C PC with a 3.2 hyper-threading processor, It had 1 gb of memory and i just added 2-512 mb PC3200/400Mz chips. It works fine but in bios it says that it is PC2700/333mz. This PC is supposed to be able to run PC2100,PC2700, and PC3200. I know that the memory is running sloower that it can be run. Any idea why it says thjat and if there is anything that needs to be changed(jumper), reset or anything else? I went to the memory supplier website and it lists the memory that i bought as PC3200/400 mz. Thanks!

A:Memory speed

First question, what speed is the ram that was in there originally? If the original 1Gb of ram is PC2700 ram, your motherboard will automatically underclock the new ram in order to match the old.

If your old ram is also PC3200 ram, then please give us your full system specs (motherboard make/model in specific)

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It is marked:
Compaq Computer Corporation
Replace with Compaq Spare

I can't find a document in the 'net that tells me for sure. I must be certain and exact. If it is PC100, then it might not work with PC133. If it is PC133, then it might not work with PC100.

Yes, I know, PC133 should work where PC100 is accepted; but, it doesn't always.

A:What is the speed of this memory?

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I have 4 Gb of corsair 1600MHz C9 DDR3 memory installed on an Asus Crosshair III Formula 790FX motherboard. The motherboard specs said that it supported 1600 MHz memory, yet the memory is only running at 1333 MHz.

Do I need to OC the M/board in someway to get the full speed out of the memory modules ?

A:Memory speed

The motherboard can support a certain maximum speed but if your CPU can't run at that speed it will run at a lower speed.

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Intel says the memory speed for the 3930k and the 3970x are both DDR3-1066/1333/1600.

In order to reap the full benefit of 1866, must the CPU be overclocked? If so, is it proportionate, so 15% overclock?

A:Memory speed for CPU?

That looks alright.. Just make sure you have a good HSF to handle the extra heat.

You *might* want to look into a liquid-cooling system.

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Hi there!
I have a DDR2 400Mhz dual-channel 64 bit memory. But when i check the memory only runs at 200Mhz. Why? And how can I change that. I have tried setting it through BIOS, but when I input that it is DDR2 400 it still only goes at 200. I have overclocked my CPU to go at 260 and the memory changed to go at 260 as well. I am using ASUS M2A-VM if it matters.


A:Memory speed is not what it should be

Thank You. very informative. I am so far behind on all of this I don't think i will ever catch up.

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What program will show my memory speed? Just want to insure what I set in the bios is what is actually doing.

A:Memory speed

Hello Bearcatrp

CPUz (http://www.cpuid.com/softwares/cpu-z.html) will show you your memory speed.

Hope that helps!

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I just got my two gigs (2x1gig) of g.skill ddr2 800 today. I've seen in cpu-z and another analysis program that it says they are running at 400mhz each. Is that what the dual channel is? They add up to 800? or should they both run at 800mhz?

A:Memory Speed?

That's what DDR (double data rate) is. They are running as they should.

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Iam trying to work out which speed stick to buy to boost the ram in my sisters laptop from 3Gb to 4Gb so she has 4Gb and better speed through dual-channel running properly

I THINK CPU-Z is mis-reporting the speeds, timings and type due to the way its working with 'symetric dual channel mode' with a 1Gb stick and a 2Gb stick

both sticks are reported as PC 10700 (667mHz) (yes that's 10700, not 10600)

but the running speed of the memory is 533Mhz and the operable speeds are:
457 533 609 685
ive never heard of such 'odd' speeds like 457, 609 and 685Mhz...

timings on 685 are 9-9-9-25

Crucial System Scanner says they are PC 8500 sticks?

Am I right in saying they are PC 10600 sticks and everything is mis-reported due to the mis-matched modules running at slower speeds?

should I buy a PC-10600 2Gb stick to replace the 1Gb stick?


A:What is this memory speed..?

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hi, i was browsing on Everst Home and came across the page with my memory information on and it said i have 512mb of PC3200, and next to it it had (200mhz) i thought that pc3200 was 400mhz, is there any reason for why this is saying 200mhz. i can post the printscreen if you like, is there any other way or program that shows RAM Speed?

A:Memory Speed, is this Right?

It's 200Mhz clock speed. The 400Mhz is 2x200Mhz which is what PC3200 DDR is.

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Hey All, I have a question. I was helping a friend out with some Ram, which I removed from my computer to his and back to mine.......for some strange reason my computer seems to be running slower when it comes to internet connections, like loading pages. Before removing the ram I had to remove alll of the wires like mouse, keyboard, and Cat5 etc, then replaced them after i installed the ram. First thing i notice when i log on to hotmail that it tool longer to load the entire page.......What gives?

A7M 266
O.S. 98SE
256 DDR SamSung
Asus v7700 delulxe 32md ddr


A:Memory Speed?

I would suggest taking the case off the computer and making sure that all components are reseated correctly. It could be that while you were removing and reseating the RAM a component was jiggled and is not making the proper contact. Also, did you ground yourself while removing the RAM? A wrist strap is good for this, or at least making contact with the chassis before going inside.

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Well I just bought 2x 1 GB RAMs to replace my old 2x 512 MB and according to the specs, the 2 new sticks should have a timing of 2-3-2-6 but according to CPU-Z it's running at 3-3-3-8. The RAM that I bought was the Kingston HyperX 2GB (2 x 1GB) 184-Pin DDR SDRAM DDR 400 (PC 3200) Dual Channel Kit Desktop Memory - Retail from Newegg. I read the reviews and it said that I have to go to the BIOS to change it but when open up my BIOS Setup Utility, I didn't see anything concerning memory speed. My BIOS is American Megatrends. Any help will be greatly appreciated.

A:New memory speed is off

I know some like gigabyte hide those setings, and pressing CTRL F1 will bring them up, some dont allow you to alter them at all, if you have the manual for your motherboard read that, it should tell you if you can adjust them or not, if you dont have the manual post the model of the motherboard and i'll do a search for it and let you know if it's possible.

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Hey everyone,

I was looking at building a new PC mostly from scratch the only thing I'll be carrying over is my current graphics card and initially my current HDD's until everything is moved across to the new HDD's.

I have already ordered a few parts so ill link them here:
Corsair 300R Case (link)
Samsung 850 EVO 250GB SSD (link)
2TB 7200RPM Seagate Barracuda HDD (link)
Z170A Gaming M5 Motherboard (link)
Corsair 850W 80PLUS Gold Modular Power Supply (link)
Now over the next few weeks I play on ordering the remaining parts RAM, CPU, CPU Cooler, CD/DVD Drive, ECT.

in particular I was going to purchase the new Intel i7 CPU, I seen the mobo supported 2400Mhz (without O.C) and thought great I can get that speed, but I noticed the CPU only supports 2133Mhz.

So I am wondering is it worth O.C the CPU to get a faster speed of RAM. If it is worth it and if it isn't difficult is it something I should look at doing on the motherboard as well? I.E instead of going for 2400Mhz and O.C only the CPU should I go for something like 2800Mhz and O.C both the motherboard and CPU.

Now I've never overclocked anything before so it would only be something I'd be interested in doing if it was a similar process (editing bios settings ECT something I am familiar with).

Just to give you the products I'd be looking at are (I'm also wanting to get 32Gb's of RAM):

2133Mhz (No O.C)
2400Mhz (O.C CPU)
2800Mhz (O.C CPU and Motherboard)

Thanks for taking the... Read more

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I recently added 16G of Hynix memory (HYMP151F72CP4N3-Y5) to a Dell t7400 workstation that contained 16Gof memory as originally shipped (M395T5166AZ4-CE65).
dmidecode -t 17 | grep Size | grep MB Size: 4096 MB Size: 4096 MB Size: 4096 MB Size: 4096 MB Size: 4096 MB Size: 4096 MB Size: 4096 MB Size: 4096 MBAlso, the Dell mboard ACPI bios sees all 32G. Memtest passes on all 8 memory modules of 4mbeach. (So reordering or reseating the memory modules won't solve this. Itried this already.) I'm using the last bios posted to Dell's support pages:>dmidecode -s bios-versionA0>dmidecode -s bios-release-date05/23/20119
After I boot into linux, the system sees only 24G.
[ 0.000000] e820: BIOS-provided physical RAM map:[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009c3ff] usable[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000cfe0abff] usable[ 0.000000] BIOS-e820: [mem 0x00000000cfe0ac00-0x00000000cfe5cbff] ACPI NVS[ 0.000000] BIOS-e820: [mem 0x00000000cfe5cc00-0x00000000cfe5ebff] ACPI data[ 0.000000] BIOS-e820: [mem 0x00000000cfe5ec00-0x00000000cfffffff] reserved[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000feffffff] reserved[ 0.000000] BIOS-e820: [mem 0x00000000ffb00000-0x00000000ffffffff] reserved[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000062fffffff] usable
which is only... Read more

A:after adding 16G compatible memory, I find 8 GB missing server memory with acpi bios: dmidecode sees 32G, free sees 24

The maximum RAM compatibility for Windows Vista Business is only 4GB.  http://dell.to/2efbU7APerhaps a different OS will utilize the remainder.

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Hello guys,

I have an USB flash memory brand PNY. Its speed is very low, that is, when I copy or delete files into/from it, it takes a very long time to be done. Is there a way to speed it up?


A:speed the USB flash memory up

Well if you're using USB 2.0 with it, it's naturally pretty slow these days. I would just say use USB 3.0 when copying or moving files to it.

You can also optimize it to perform better with this guide:

Make Your USB Flash Drive REALLY Fast

Hope I helped

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I have 3 x 2gb Corsair 1600mhz DDR3 ram sticks. I ran blackbox, and it tells me the memory is running at 533mhz? And if I read it correctly, it's underclocked by 20%??

Is this all wrong? And if so, how do I fix?

I did read this, but it didn't really explain things for me http://www.tomshardware.com/forum/55...e-read-posting

It says effective speed is double core speed, which would make my effective speed 1066 if the frequency listed by black box were "core". But it's supposed to be 1600mhz

Corsairs C7D ram is advertised, and sold as 7:7:7:20. Black box reports it as 8:8:8:20?


A:Is my memory speed correct?

Quote: Originally Posted by Yanta

I have 3 x 2gb Corsair 1600mhz DDR3 ram sticks. I ran blackbox, and it tells me the memory is running at 533mhz? And if I read it correctly, it's underclocked by 20%??

Is this all wrong? And if so, how do I fix?

I did read this, but it didn't really explain things for me MEMORY FAQ (please read before posting) - Memory - Motherboards-Memory

It says effective speed is double core speed, which would make my effective speed 1066 if the frequency listed by black box were "core". But it's supposed to be 1600mhz

Corsairs C7D ram is advertised, and sold as 7:7:7:20. Black box reports it as 8:8:8:20?


If I recall correctly, LGA 1366 quad cores support a max of 1066 unless you overclock.

Edit: http://www.intel.com/products/proces...rei7/index.htm it says

3 Channels of DDR3 1066 MHz memory

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I recently upgraded my XPS 730 from XP Pro 32 bit to Windows 7 64 bit.  I am running on the original 1333 DDS3 4GB that came with the system.  I would like to upgrade it to the maximum memory supported by the new OS and the 4 slots on the system board but can not find any definitive information.  I was hoping someone here could tell me the fastest (cas latency.  the current DIMMs are 9-9-9-24.  I am looking at 8-8-8-24) DIMMs I can use and the maximum memory supported.  I also noticed some DIMM's are listed with a 2N suffix (9-9-9-24-2N) but do not know what that means. About the only information I can gather from the computer is listed below.  Thanks.
OS Name    Microsoft Windows 7 Professional Version    6.1.7601 Service Pack 1 Build 7601 System Manufacturer    Dell Inc. System Model    XPS 730 System Type    x64-based PC Processor    Intel(R) Core(TM)2 Extreme CPU X9650  @ 3.00GHz, 3000 Mhz, 4 Core(s), 4 Logical Processor(s) BIOS Version/Date    Dell Inc. 1.0.5, 9/18/2008 SMBIOS Version    2.4 Hardware Abstraction Layer    Version = "6.1.7601.17514" Installed Physical Memory (RAM)    4.00 GB Total Physical Memory    4.00 GB Available Physical Memory    896 MB
Chipset ------------------------------------------------------------------------- ... Read more

A:XPS 730 maximum memory and speed

Thanks for the detailed reply, it was exactly what I was looking for when I posted the question.  I was finally able to determine the same information you supplied.  I was hoping for 16GB as the maximum and and faster memory but alas this PC is what it is.  I installed the CORSAIR CMX8GX3M4A1333C9 R  memory with similar specs to the Ripjaw memory you described and everything works fine.  The only annoyance I still have is a Win 7 popup warning that my desktop is using too many resources if I tab out from a game I'm playing.  I always select to keep it and not remind me again but it continually pops up.

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Hello guys,

I have an USB flash memory brand PNY. Its speed is very low, that is, when I copy or delete files into/from it, it takes a very long time to be done. Is there a way to speed it up?


A:Speed the USB flash memory up

NO. Most likely you have it inserted to a USB 1.1 slot when it needs USB 2.0.

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